Cargo.toml

@@ -21,6 +21,7 @@ regex = "1.11"
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 simple_logger = "5.0.0"
+sqlx = { version = "0.8", features = ["runtime-tokio", "tls-native-tls", "postgres"] }
 redis = { version = "0.31.0", features= ["tokio-comp"] }
 tokio-tungstenite = { version = "0.26", features = ["native-tls", "url"] }
 toml = "0.8"
@@ -29,11 +30,6 @@ uuid = { version = "1.16", features = ["serde", "v7"] }
 random-string = "1.1"
 actix-ws = "0.3.0"
 futures-util = "0.3.31"
-deadpool = "0.12"
-diesel = { version = "2.2", features = ["uuid"] }
-diesel-async = { version = "0.5", features = ["deadpool", "postgres", "async-connection-wrapper"] }
-diesel_migrations = { version = "2.2.0", features = ["postgres"] }
-thiserror = "2.0.12"
 
 [dependencies.tokio]
 version = "1.44"

build.rs

@@ -1,3 +0,0 @@
-fn main() {
-   println!("cargo:rerun-if-changed=migrations");
-}

diesel.toml

@@ -1,9 +0,0 @@
-# For documentation on how to configure this file,
-# see https://diesel.rs/guides/configuring-diesel-cli
-
-[print_schema]
-file = "src/schema.rs"
-custom_type_derives = ["diesel::query_builder::QueryId", "Clone"]
-
-[migrations_directory]
-dir = "migrations"

migrations/00000000000000_diesel_initial_setup/down.sql

@@ -1,6 +0,0 @@
--- This file was automatically created by Diesel to setup helper functions
--- and other internal bookkeeping. This file is safe to edit, any future
--- changes will be added to existing projects as new migrations.
-
-DROP FUNCTION IF EXISTS diesel_manage_updated_at(_tbl regclass);
-DROP FUNCTION IF EXISTS diesel_set_updated_at();

migrations/00000000000000_diesel_initial_setup/up.sql

@@ -1,36 +0,0 @@
--- This file was automatically created by Diesel to setup helper functions
--- and other internal bookkeeping. This file is safe to edit, any future
--- changes will be added to existing projects as new migrations.
-
-
-
-
--- Sets up a trigger for the given table to automatically set a column called
--- `updated_at` whenever the row is modified (unless `updated_at` was included
--- in the modified columns)
---
--- # Example
---
--- ```sql
--- CREATE TABLE users (id SERIAL PRIMARY KEY, updated_at TIMESTAMP NOT NULL DEFAULT NOW());
---
--- SELECT diesel_manage_updated_at('users');
--- ```
-CREATE OR REPLACE FUNCTION diesel_manage_updated_at(_tbl regclass) RETURNS VOID AS $$
-BEGIN
-    EXECUTE format('CREATE TRIGGER set_updated_at BEFORE UPDATE ON %s
-                    FOR EACH ROW EXECUTE PROCEDURE diesel_set_updated_at()', _tbl);
-END;
-$$ LANGUAGE plpgsql;
-
-CREATE OR REPLACE FUNCTION diesel_set_updated_at() RETURNS trigger AS $$
-BEGIN
-    IF (
-        NEW IS DISTINCT FROM OLD AND
-        NEW.updated_at IS NOT DISTINCT FROM OLD.updated_at
-    ) THEN
-        NEW.updated_at := current_timestamp;
-    END IF;
-    RETURN NEW;
-END;
-$$ LANGUAGE plpgsql;

migrations/2025-05-21-192435_create_users/down.sql

@@ -1,4 +0,0 @@
--- This file should undo anything in `up.sql`
-DROP INDEX idx_unique_username_active;
-DROP INDEX idx_unique_email_active;
-DROP TABLE users;

migrations/2025-05-21-192435_create_users/up.sql

@@ -1,20 +0,0 @@
--- Your SQL goes here
-CREATE TABLE users (
-    uuid uuid PRIMARY KEY NOT NULL,
-    username varchar(32) NOT NULL,
-    display_name varchar(64) DEFAULT NULL,
-    password varchar(512) NOT NULL,
-    email varchar(100) NOT NULL,
-    email_verified boolean NOT NULL DEFAULT FALSE,
-    is_deleted boolean NOT NULL DEFAULT FALSE,
-    deleted_at int8 DEFAULT NULL,
-    CONSTRAINT unique_username_active UNIQUE NULLS NOT DISTINCT (username, is_deleted),
-    CONSTRAINT unique_email_active UNIQUE NULLS NOT DISTINCT (email, is_deleted)
-);
-
-CREATE UNIQUE INDEX idx_unique_username_active 
-ON users(username) 
-WHERE is_deleted = FALSE;
-CREATE UNIQUE INDEX idx_unique_email_active 
-ON users(email) 
-WHERE is_deleted = FALSE;

migrations/2025-05-21-192936_create_instance_permissions/down.sql

@@ -1,2 +0,0 @@
--- This file should undo anything in `up.sql`
-DROP TABLE instance_permissions;

migrations/2025-05-21-192936_create_instance_permissions/up.sql

@@ -1,5 +0,0 @@
--- Your SQL goes here
-CREATE TABLE instance_permissions (
-    uuid uuid PRIMARY KEY NOT NULL REFERENCES users(uuid),
-    administrator boolean NOT NULL DEFAULT FALSE
-);

migrations/2025-05-21-193321_create_tokens/down.sql

@@ -1,3 +0,0 @@
--- This file should undo anything in `up.sql`
-DROP TABLE access_tokens;
-DROP TABLE refresh_tokens;

migrations/2025-05-21-193321_create_tokens/up.sql

@@ -1,13 +0,0 @@
--- Your SQL goes here
-CREATE TABLE refresh_tokens (
-    token varchar(64) PRIMARY KEY UNIQUE NOT NULL,
-    uuid uuid NOT NULL REFERENCES users(uuid),
-    created_at int8 NOT NULL,
-    device_name varchar(16) NOT NULL
-);
-CREATE TABLE access_tokens (
-    token varchar(32) PRIMARY KEY UNIQUE NOT NULL,
-    refresh_token varchar(64) UNIQUE NOT NULL REFERENCES refresh_tokens(token) ON UPDATE CASCADE ON DELETE CASCADE,
-    uuid uuid NOT NULL REFERENCES users(uuid),
-    created_at int8 NOT NULL
-);

migrations/2025-05-21-193500_create_guilds/down.sql

@@ -1,3 +0,0 @@
--- This file should undo anything in `up.sql`
-DROP TABLE guild_members;
-DROP TABLE guilds;

migrations/2025-05-21-193500_create_guilds/up.sql

@@ -1,13 +0,0 @@
--- Your SQL goes here
-CREATE TABLE guilds (
-    uuid uuid PRIMARY KEY NOT NULL,
-    owner_uuid uuid NOT NULL REFERENCES users(uuid),
-    name VARCHAR(100) NOT NULL,
-    description VARCHAR(300)
-);
-CREATE TABLE guild_members (
-    uuid uuid PRIMARY KEY NOT NULL,
-    guild_uuid uuid NOT NULL REFERENCES guilds(uuid) ON DELETE CASCADE,
-    user_uuid uuid NOT NULL REFERENCES users(uuid),
-    nickname VARCHAR(100) DEFAULT NULL
-);

migrations/2025-05-21-193620_create_roles/down.sql

@@ -1,3 +0,0 @@
--- This file should undo anything in `up.sql`
-DROP TABLE role_members;
-DROP TABLE roles;

migrations/2025-05-21-193620_create_roles/up.sql

@@ -1,15 +0,0 @@
--- Your SQL goes here
-CREATE TABLE roles (
-    uuid uuid UNIQUE NOT NULL,
-    guild_uuid uuid NOT NULL REFERENCES guilds(uuid) ON DELETE CASCADE,
-    name VARCHAR(50) NOT NULL,
-    color int NOT NULL DEFAULT 16777215,
-    position int NOT NULL,
-    permissions int8 NOT NULL DEFAULT 0,
-    PRIMARY KEY (uuid, guild_uuid)
-);
-CREATE TABLE role_members (
-    role_uuid uuid NOT NULL REFERENCES roles(uuid) ON DELETE CASCADE,
-    member_uuid uuid NOT NULL REFERENCES guild_members(uuid) ON DELETE CASCADE,
-    PRIMARY KEY (role_uuid, member_uuid)
-);

migrations/2025-05-21-193745_create_channels/down.sql

@@ -1,3 +0,0 @@
--- This file should undo anything in `up.sql`
-DROP TABLE channel_permissions;
-DROP TABLE channels;

migrations/2025-05-21-193745_create_channels/up.sql

@@ -1,13 +0,0 @@
--- Your SQL goes here
-CREATE TABLE channels (
-    uuid uuid PRIMARY KEY NOT NULL,
-    guild_uuid uuid NOT NULL REFERENCES guilds(uuid) ON DELETE CASCADE,
-    name varchar(32) NOT NULL,
-    description varchar(500) NOT NULL
-);
-CREATE TABLE channel_permissions (
-    channel_uuid uuid NOT NULL REFERENCES channels(uuid) ON DELETE CASCADE,
-    role_uuid uuid NOT NULL REFERENCES roles(uuid) ON DELETE CASCADE,
-    permissions int8 NOT NULL DEFAULT 0,
-    PRIMARY KEY (channel_uuid, role_uuid)
-);

migrations/2025-05-21-193954_create_messages/down.sql

@@ -1,2 +0,0 @@
--- This file should undo anything in `up.sql`
-DROP TABLE messages;

migrations/2025-05-21-193954_create_messages/up.sql

@@ -1,7 +0,0 @@
--- Your SQL goes here
-CREATE TABLE messages (
-    uuid uuid PRIMARY KEY NOT NULL,
-    channel_uuid uuid NOT NULL REFERENCES channels(uuid) ON DELETE CASCADE,
-    user_uuid uuid NOT NULL REFERENCES users(uuid),
-    message varchar(4000) NOT NULL
-);

migrations/2025-05-21-194207_create_invites/down.sql

@@ -1,2 +0,0 @@
--- This file should undo anything in `up.sql`
-DROP TABLE invites;

migrations/2025-05-21-194207_create_invites/up.sql

@@ -1,6 +0,0 @@
--- Your SQL goes here
-CREATE TABLE invites (
-    id varchar(32) PRIMARY KEY NOT NULL,
-    guild_uuid uuid NOT NULL REFERENCES guilds(uuid) ON DELETE CASCADE,
-    user_uuid uuid NOT NULL REFERENCES users(uuid)
-);

migrations/2025-05-21-203022_channel_description_nullable/down.sql

@@ -1,4 +0,0 @@
--- This file should undo anything in `up.sql`
-UPDATE channels SET description = '' WHERE description IS NULL;
-ALTER TABLE ONLY channels ALTER COLUMN description SET NOT NULL;
-ALTER TABLE ONLY channels ALTER COLUMN description DROP DEFAULT;

migrations/2025-05-21-203022_channel_description_nullable/up.sql

@@ -1,3 +0,0 @@
--- Your SQL goes here
-ALTER TABLE ONLY channels ALTER COLUMN description DROP NOT NULL;
-ALTER TABLE ONLY channels ALTER COLUMN description SET DEFAULT NULL;

src/api/v1/auth/login.rs

@@ -1,14 +1,14 @@
 use std::time::{SystemTime, UNIX_EPOCH};
 
-use actix_web::{HttpResponse, post, web};
+use actix_web::{Error, HttpResponse, post, web};
 use argon2::{PasswordHash, PasswordVerifier};
-use diesel::{dsl::insert_into, ExpressionMethods, QueryDsl};
-use diesel_async::RunQueryDsl;
+use log::error;
 use serde::Deserialize;
-use uuid::Uuid;
 
 use crate::{
-    error::Error, api::v1::auth::{EMAIL_REGEX, PASSWORD_REGEX, USERNAME_REGEX}, schema::*, utils::{generate_access_token, generate_refresh_token, refresh_token_cookie}, Data
+    Data,
+    api::v1::auth::{EMAIL_REGEX, PASSWORD_REGEX, USERNAME_REGEX},
+    utils::{generate_access_token, generate_refresh_token, refresh_token_cookie},
 };
 
 use super::Response;
@@ -29,42 +29,66 @@ pub async fn response(
         return Ok(HttpResponse::Forbidden().json(r#"{ "password_hashed": false }"#));
     }
 
-    use users::dsl;
-
-    let mut conn = data.pool.get().await?;
-
     if EMAIL_REGEX.is_match(&login_information.username) {
-        // FIXME: error handling, right now i just want this to work
-        let (uuid, password): (Uuid, String) = dsl::users
-            .filter(dsl::email.eq(&login_information.username))
-            .select((dsl::uuid, dsl::password))
-            .get_result(&mut conn)
-            .await?;
+        let row =
+            sqlx::query_as("SELECT CAST(uuid as VARCHAR), password FROM users WHERE email = $1")
+                .bind(&login_information.username)
+                .fetch_one(&data.pool)
+                .await;
 
-        return login(
+        if let Err(error) = row {
+            if error.to_string()
+                == "no rows returned by a query that expected to return at least one row"
+            {
+                return Ok(HttpResponse::Unauthorized().finish());
+            }
+
+            error!("{}", error);
+            return Ok(HttpResponse::InternalServerError().json(
+                r#"{ "error": "Unhandled exception occured, contact the server administrator" }"#,
+            ));
+        }
+
+        let (uuid, password): (String, String) = row.unwrap();
+
+        return Ok(login(
             data.clone(),
             uuid,
             login_information.password.clone(),
             password,
             login_information.device_name.clone(),
         )
-        .await;
+        .await);
     } else if USERNAME_REGEX.is_match(&login_information.username) {
-        // FIXME: error handling, right now i just want this to work
-        let (uuid, password): (Uuid, String) = dsl::users
-            .filter(dsl::username.eq(&login_information.username))
-            .select((dsl::uuid, dsl::password))
-            .get_result(&mut conn)
-            .await?;
+        let row =
+            sqlx::query_as("SELECT CAST(uuid as VARCHAR), password FROM users WHERE username = $1")
+                .bind(&login_information.username)
+                .fetch_one(&data.pool)
+                .await;
 
-        return login(
+        if let Err(error) = row {
+            if error.to_string()
+                == "no rows returned by a query that expected to return at least one row"
+            {
+                return Ok(HttpResponse::Unauthorized().finish());
+            }
+
+            error!("{}", error);
+            return Ok(HttpResponse::InternalServerError().json(
+                r#"{ "error": "Unhandled exception occured, contact the server administrator" }"#,
+            ));
+        }
+
+        let (uuid, password): (String, String) = row.unwrap();
+
+        return Ok(login(
             data.clone(),
             uuid,
             login_information.password.clone(),
             password,
             login_information.device_name.clone(),
         )
-        .await;
+        .await);
     }
 
     Ok(HttpResponse::Unauthorized().finish())
@@ -72,45 +96,79 @@ pub async fn response(
 
 async fn login(
     data: actix_web::web::Data<Data>,
-    uuid: Uuid,
+    uuid: String,
     request_password: String,
     database_password: String,
     device_name: String,
-) -> Result<HttpResponse, Error> {
-    let mut conn = data.pool.get().await?;
+) -> HttpResponse {
+    let parsed_hash_raw = PasswordHash::new(&database_password);
 
-    let parsed_hash = PasswordHash::new(&database_password).map_err(|e| Error::PasswordHashError(e.to_string()))?;
+    if let Err(error) = parsed_hash_raw {
+        error!("{}", error);
+        return HttpResponse::InternalServerError().finish();
+    }
+
+    let parsed_hash = parsed_hash_raw.unwrap();
 
     if data
         .argon2
         .verify_password(request_password.as_bytes(), &parsed_hash)
         .is_err()
     {
-        return Err(Error::Unauthorized("Wrong username or password".to_string()));
+        return HttpResponse::Unauthorized().finish();
     }
 
-    let refresh_token = generate_refresh_token()?;
-    let access_token = generate_access_token()?;
+    let refresh_token_raw = generate_refresh_token();
+    let access_token_raw = generate_access_token();
+
+    if let Err(error) = refresh_token_raw {
+        error!("{}", error);
+        return HttpResponse::InternalServerError().finish();
+    }
+
+    let refresh_token = refresh_token_raw.unwrap();
+
+    if let Err(error) = access_token_raw {
+        error!("{}", error);
+        return HttpResponse::InternalServerError().finish();
+    }
+
+    let access_token = access_token_raw.unwrap();
 
     let current_time = SystemTime::now()
-        .duration_since(UNIX_EPOCH)?
+        .duration_since(UNIX_EPOCH)
+        .unwrap()
         .as_secs() as i64;
 
-    use refresh_tokens::dsl as rdsl;
-
-    insert_into(refresh_tokens::table)
-        .values((rdsl::token.eq(&refresh_token), rdsl::uuid.eq(uuid), rdsl::created_at.eq(current_time), rdsl::device_name.eq(device_name)))
-        .execute(&mut conn)
-        .await?;
-
-    use access_tokens::dsl as adsl;
-
-    insert_into(access_tokens::table)
-        .values((adsl::token.eq(&access_token), adsl::refresh_token.eq(&refresh_token), adsl::uuid.eq(uuid), adsl::created_at.eq(current_time)))
-        .execute(&mut conn)
-        .await?;
-
-    Ok(HttpResponse::Ok()
-        .cookie(refresh_token_cookie(refresh_token))
-        .json(Response { access_token }))
+    if let Err(error) = sqlx::query(&format!(
+        "INSERT INTO refresh_tokens (token, uuid, created_at, device_name) VALUES ($1, '{}', $2, $3 )",
+        uuid
+    ))
+    .bind(&refresh_token)
+    .bind(current_time)
+    .bind(device_name)
+    .execute(&data.pool)
+    .await
+    {
+        error!("{}", error);
+        return HttpResponse::InternalServerError().finish();
+    }
+
+    if let Err(error) = sqlx::query(&format!(
+        "INSERT INTO access_tokens (token, refresh_token, uuid, created_at) VALUES ($1, $2, '{}', $3 )",
+        uuid
+    ))
+    .bind(&access_token)
+    .bind(&refresh_token)
+    .bind(current_time)
+    .execute(&data.pool)
+    .await
+    {
+        error!("{}", error);
+        return HttpResponse::InternalServerError().finish()
+    }
+
+    HttpResponse::Ok()
+        .cookie(refresh_token_cookie(refresh_token))
+        .json(Response { access_token })
 }

src/api/v1/auth/mod.rs

@@ -1,17 +1,16 @@
 use std::{
+    str::FromStr,
     sync::LazyLock,
     time::{SystemTime, UNIX_EPOCH},
 };
 
-use actix_web::{Scope, web};
-use diesel::{ExpressionMethods, QueryDsl};
-use diesel_async::RunQueryDsl;
+use actix_web::{HttpResponse, Scope, web};
+use log::error;
 use regex::Regex;
 use serde::Serialize;
+use sqlx::Postgres;
 use uuid::Uuid;
 
-use crate::{error::Error, Conn, schema::access_tokens::dsl};
-
 mod login;
 mod refresh;
 mod register;
@@ -41,30 +40,40 @@ pub fn web() -> Scope {
 
 pub async fn check_access_token(
     access_token: &str,
-    conn: &mut Conn,
-) -> Result<Uuid, Error> {
-    let (uuid, created_at): (Uuid, i64) = dsl::access_tokens
-        .filter(dsl::token.eq(access_token))
-        .select((dsl::uuid, dsl::created_at))
-        .get_result(conn)
-        .await
-        .map_err(|error| {
-            if error == diesel::result::Error::NotFound {
-                Error::Unauthorized("Invalid access token".to_string())
-            } else {
-                Error::from(error)
+    pool: &sqlx::Pool<Postgres>,
+) -> Result<Uuid, HttpResponse> {
+    let row = sqlx::query_as(
+        "SELECT CAST(uuid as VARCHAR), created_at FROM access_tokens WHERE token = $1",
+    )
+    .bind(access_token)
+    .fetch_one(pool)
+    .await;
+
+    if let Err(error) = row {
+        if error.to_string()
+            == "no rows returned by a query that expected to return at least one row"
+        {
+            return Err(HttpResponse::Unauthorized().finish());
         }
-        })?;
+
+        error!("{}", error);
+        return Err(HttpResponse::InternalServerError().json(
+            r#"{ "error": "Unhandled exception occured, contact the server administrator" }"#,
+        ));
+    }
+
+    let (uuid, created_at): (String, i64) = row.unwrap();
 
     let current_time = SystemTime::now()
-        .duration_since(UNIX_EPOCH)?
+        .duration_since(UNIX_EPOCH)
+        .unwrap()
         .as_secs() as i64;
 
     let lifetime = current_time - created_at;
 
     if lifetime > 3600 {
-        return Err(Error::Unauthorized("Invalid access token".to_string()));
+        return Err(HttpResponse::Unauthorized().finish());
     }
 
-    Ok(uuid)
+    Ok(Uuid::from_str(&uuid).unwrap())
 }

src/api/v1/auth/refresh.rs

@@ -1,11 +1,10 @@
-use actix_web::{HttpRequest, HttpResponse, post, web};
-use diesel::{delete, update, ExpressionMethods, QueryDsl};
-use diesel_async::RunQueryDsl;
+use actix_web::{Error, HttpRequest, HttpResponse, post, web};
 use log::error;
 use std::time::{SystemTime, UNIX_EPOCH};
 
 use crate::{
-    error::Error, schema::{access_tokens::{self, dsl}, refresh_tokens::{self, dsl as rdsl}}, utils::{generate_access_token, generate_refresh_token, refresh_token_cookie}, Data
+    Data,
+    utils::{generate_access_token, generate_refresh_token, refresh_token_cookie},
 };
 
 use super::Response;
@@ -21,23 +20,23 @@ pub async fn res(req: HttpRequest, data: web::Data<Data>) -> Result<HttpResponse
     let mut refresh_token = String::from(recv_refresh_token_cookie.unwrap().value());
 
     let current_time = SystemTime::now()
-        .duration_since(UNIX_EPOCH)?
+        .duration_since(UNIX_EPOCH)
+        .unwrap()
         .as_secs() as i64;
 
-    let mut conn = data.pool.get().await?;
-
-    if let Ok(created_at) = rdsl::refresh_tokens
-        .filter(rdsl::token.eq(&refresh_token))
-        .select(rdsl::created_at)
-        .get_result::<i64>(&mut conn)
+    if let Ok(row) = sqlx::query_scalar("SELECT created_at FROM refresh_tokens WHERE token = $1")
+        .bind(&refresh_token)
+        .fetch_one(&data.pool)
         .await
     {
+        let created_at: i64 = row;
+
         let lifetime = current_time - created_at;
 
         if lifetime > 2592000 {
-            if let Err(error) = delete(refresh_tokens::table)
-                .filter(rdsl::token.eq(&refresh_token))
-                .execute(&mut conn)
+            if let Err(error) = sqlx::query("DELETE FROM refresh_tokens WHERE token = $1")
+                .bind(&refresh_token)
+                .execute(&data.pool)
                 .await
             {
                 error!("{}", error);
@@ -53,7 +52,8 @@ pub async fn res(req: HttpRequest, data: web::Data<Data>) -> Result<HttpResponse
         }
 
         let current_time = SystemTime::now()
-            .duration_since(UNIX_EPOCH)?
+            .duration_since(UNIX_EPOCH)
+            .unwrap()
             .as_secs() as i64;
 
         if lifetime > 1987200 {
@@ -66,13 +66,13 @@ pub async fn res(req: HttpRequest, data: web::Data<Data>) -> Result<HttpResponse
 
             let new_refresh_token = new_refresh_token.unwrap();
 
-            match update(refresh_tokens::table)
-                .filter(rdsl::token.eq(&refresh_token))
-                .set((
-                    rdsl::token.eq(&new_refresh_token),
-                    rdsl::created_at.eq(current_time),
-                ))
-                .execute(&mut conn)
+            match sqlx::query(
+                "UPDATE refresh_tokens SET token = $1, created_at = $2 WHERE token = $3",
+            )
+            .bind(&new_refresh_token)
+            .bind(current_time)
+            .bind(&refresh_token)
+            .execute(&data.pool)
             .await
             {
                 Ok(_) => {
@@ -84,16 +84,27 @@ pub async fn res(req: HttpRequest, data: web::Data<Data>) -> Result<HttpResponse
             }
         }
 
-        let access_token = generate_access_token()?;
+        let access_token = generate_access_token();
 
-        update(access_tokens::table)
-            .filter(dsl::refresh_token.eq(&refresh_token))
-            .set((
-                dsl::token.eq(&access_token),
-                dsl::created_at.eq(current_time),
-            ))
-            .execute(&mut conn)
-            .await?;
+        if access_token.is_err() {
+            error!("{}", access_token.unwrap_err());
+            return Ok(HttpResponse::InternalServerError().finish());
+        }
+
+        let access_token = access_token.unwrap();
+
+        if let Err(error) = sqlx::query(
+            "UPDATE access_tokens SET token = $1, created_at = $2 WHERE refresh_token = $3",
+        )
+        .bind(&access_token)
+        .bind(current_time)
+        .bind(&refresh_token)
+        .execute(&data.pool)
+        .await
+        {
+            error!("{}", error);
+            return Ok(HttpResponse::InternalServerError().finish());
+        }
 
         return Ok(HttpResponse::Ok()
             .cookie(refresh_token_cookie(refresh_token))

src/api/v1/auth/register.rs

@@ -1,18 +1,19 @@
 use std::time::{SystemTime, UNIX_EPOCH};
 
-use actix_web::{HttpResponse, post, web};
+use actix_web::{Error, HttpResponse, post, web};
 use argon2::{
     PasswordHasher,
     password_hash::{SaltString, rand_core::OsRng},
 };
-use diesel::{dsl::insert_into, ExpressionMethods};
-use diesel_async::RunQueryDsl;
+use log::error;
 use serde::{Deserialize, Serialize};
 use uuid::Uuid;
 
 use super::Response;
 use crate::{
-    api::v1::auth::{EMAIL_REGEX, PASSWORD_REGEX, USERNAME_REGEX}, error::Error, schema::{access_tokens::{self, dsl as adsl}, refresh_tokens::{self, dsl as rdsl}, users::{self, dsl as udsl}}, utils::{generate_access_token, generate_refresh_token, refresh_token_cookie}, Data
+    Data,
+    api::v1::auth::{EMAIL_REGEX, PASSWORD_REGEX, USERNAME_REGEX},
+    utils::{generate_access_token, generate_refresh_token, refresh_token_cookie},
 };
 
 #[derive(Deserialize)]
@@ -91,49 +92,91 @@ pub async fn res(
         .argon2
         .hash_password(account_information.password.as_bytes(), &salt)
     {
-        let mut conn = data.pool.get().await?;
-
         // TODO: Check security of this implementation
-        insert_into(users::table)
-            .values((
-                udsl::uuid.eq(uuid),
-                udsl::username.eq(&account_information.identifier),
-                udsl::password.eq(hashed_password.to_string()),
-                udsl::email.eq(&account_information.email),
+        return Ok(
+            match sqlx::query(&format!(
+                "INSERT INTO users (uuid, username, password, email) VALUES ( '{}', $1, $2, $3 )",
+                uuid
             ))
-            .execute(&mut conn)
-            .await?;
+            .bind(&account_information.identifier)
+            .bind(hashed_password.to_string())
+            .bind(&account_information.email)
+            .execute(&data.pool)
+            .await
+            {
+                Ok(_out) => {
+                    let refresh_token = generate_refresh_token();
+                    let access_token = generate_access_token();
 
-        let refresh_token = generate_refresh_token()?;
-        let access_token = generate_access_token()?;
+                    if refresh_token.is_err() {
+                        error!("{}", refresh_token.unwrap_err());
+                        return Ok(HttpResponse::InternalServerError().finish());
+                    }
+
+                    let refresh_token = refresh_token.unwrap();
+
+                    if access_token.is_err() {
+                        error!("{}", access_token.unwrap_err());
+                        return Ok(HttpResponse::InternalServerError().finish());
+                    }
+
+                    let access_token = access_token.unwrap();
 
                     let current_time = SystemTime::now()
-            .duration_since(UNIX_EPOCH)?
+                        .duration_since(UNIX_EPOCH)
+                        .unwrap()
                         .as_secs() as i64;
 
-        insert_into(refresh_tokens::table)
-            .values((
-                rdsl::token.eq(&refresh_token),
-                rdsl::uuid.eq(uuid),
-                rdsl::created_at.eq(current_time),
-                rdsl::device_name.eq(&account_information.device_name),
-            ))
-            .execute(&mut conn)
-            .await?;
+                    if let Err(error) = sqlx::query(&format!("INSERT INTO refresh_tokens (token, uuid, created_at, device_name) VALUES ($1, '{}', $2, $3 )", uuid))
+                        .bind(&refresh_token)
+                        .bind(current_time)
+                        .bind(&account_information.device_name)
+                        .execute(&data.pool)
+                        .await {
+                        error!("{}", error);
+                        return Ok(HttpResponse::InternalServerError().finish())
+                    }
 
-        insert_into(access_tokens::table)
-            .values((
-                adsl::token.eq(&access_token),
-                adsl::refresh_token.eq(&refresh_token),
-                adsl::uuid.eq(uuid),
-                adsl::created_at.eq(current_time),
-            ))
-            .execute(&mut conn)
-            .await?;
+                    if let Err(error) = sqlx::query(&format!("INSERT INTO access_tokens (token, refresh_token, uuid, created_at) VALUES ($1, $2, '{}', $3 )", uuid))
+                        .bind(&access_token)
+                        .bind(&refresh_token)
+                        .bind(current_time)
+                        .execute(&data.pool)
+                        .await {
+                        error!("{}", error);
+                        return Ok(HttpResponse::InternalServerError().finish())
+                    }
 
-        return Ok(HttpResponse::Ok()
+                    HttpResponse::Ok()
                         .cookie(refresh_token_cookie(refresh_token))
-            .json(Response { access_token }))
+                        .json(Response { access_token })
+                }
+                Err(error) => {
+                    let err_msg = error.as_database_error().unwrap().message();
+
+                    match err_msg {
+                        err_msg
+                            if err_msg.contains("unique") && err_msg.contains("username_key") =>
+                        {
+                            HttpResponse::Forbidden().json(ResponseError {
+                                gorb_id_available: false,
+                                ..Default::default()
+                            })
+                        }
+                        err_msg if err_msg.contains("unique") && err_msg.contains("email_key") => {
+                            HttpResponse::Forbidden().json(ResponseError {
+                                email_available: false,
+                                ..Default::default()
+                            })
+                        }
+                        _ => {
+                            error!("{}", err_msg);
+                            HttpResponse::InternalServerError().finish()
+                        }
+                    }
+                }
+            },
+        );
     }
 
     Ok(HttpResponse::InternalServerError().finish())

src/api/v1/auth/revoke.rs

@@ -1,10 +1,10 @@
-use actix_web::{HttpRequest, HttpResponse, post, web};
+use actix_web::{Error, HttpRequest, HttpResponse, post, web};
 use argon2::{PasswordHash, PasswordVerifier};
-use diesel::{delete, ExpressionMethods, QueryDsl};
-use diesel_async::RunQueryDsl;
-use serde::Deserialize;
+use futures::future;
+use log::error;
+use serde::{Deserialize, Serialize};
 
-use crate::{api::v1::auth::check_access_token, error::Error, schema::users::dsl as udsl, schema::refresh_tokens::{self, dsl as rdsl}, utils::get_auth_header, Data};
+use crate::{Data, api::v1::auth::check_access_token, utils::get_auth_header};
 
 #[derive(Deserialize)]
 struct RevokeRequest {
@@ -12,6 +12,17 @@ struct RevokeRequest {
     device_name: String,
 }
 
+#[derive(Serialize)]
+struct Response {
+    deleted: bool,
+}
+
+impl Response {
+    fn new(deleted: bool) -> Self {
+        Self { deleted }
+    }
+}
+
 // TODO: Should maybe be a delete request?
 #[post("/revoke")]
 pub async fn res(
@@ -21,33 +32,85 @@ pub async fn res(
 ) -> Result<HttpResponse, Error> {
     let headers = req.headers();
 
-    let auth_header = get_auth_header(headers)?;
+    let auth_header = get_auth_header(headers);
 
-    let mut conn = data.pool.get().await?;
+    if let Err(error) = auth_header {
+        return Ok(error);
+    }
 
-    let uuid = check_access_token(auth_header, &mut conn).await?;
+    let authorized = check_access_token(auth_header.unwrap(), &data.pool).await;
 
-    let database_password: String = udsl::users
-        .filter(udsl::uuid.eq(uuid))
-        .select(udsl::password)
-        .get_result(&mut conn)
-        .await?;
+    if let Err(error) = authorized {
+        return Ok(error);
+    }
 
-    let hashed_password = PasswordHash::new(&database_password).map_err(|e| Error::PasswordHashError(e.to_string()))?;
+    let uuid = authorized.unwrap();
+
+    let database_password_raw = sqlx::query_scalar(&format!(
+        "SELECT password FROM users WHERE uuid = '{}'",
+        uuid
+    ))
+    .fetch_one(&data.pool)
+    .await;
+
+    if let Err(error) = database_password_raw {
+        error!("{}", error);
+        return Ok(HttpResponse::InternalServerError().json(Response::new(false)));
+    }
+
+    let database_password: String = database_password_raw.unwrap();
+
+    let hashed_password_raw = PasswordHash::new(&database_password);
+
+    if let Err(error) = hashed_password_raw {
+        error!("{}", error);
+        return Ok(HttpResponse::InternalServerError().json(Response::new(false)));
+    }
+
+    let hashed_password = hashed_password_raw.unwrap();
 
     if data
         .argon2
         .verify_password(revoke_request.password.as_bytes(), &hashed_password)
         .is_err()
     {
-        return Err(Error::Unauthorized("Wrong username or password".to_string()));
+        return Ok(HttpResponse::Unauthorized().finish());
     }
 
-    delete(refresh_tokens::table)
-        .filter(rdsl::uuid.eq(uuid))
-        .filter(rdsl::device_name.eq(&revoke_request.device_name))
-        .execute(&mut conn)
-        .await?;
+    let tokens_raw = sqlx::query_scalar(&format!(
+        "SELECT token FROM refresh_tokens WHERE uuid = '{}' AND device_name = $1",
+        uuid
+    ))
+    .bind(&revoke_request.device_name)
+    .fetch_all(&data.pool)
+    .await;
 
-    Ok(HttpResponse::Ok().finish())
+    if tokens_raw.is_err() {
+        error!("{:?}", tokens_raw);
+        return Ok(HttpResponse::InternalServerError().json(Response::new(false)));
+    }
+
+    let tokens: Vec<String> = tokens_raw.unwrap();
+
+    let mut refresh_tokens_delete = vec![];
+
+    for token in tokens {
+        refresh_tokens_delete.push(
+            sqlx::query("DELETE FROM refresh_tokens WHERE token = $1")
+                .bind(token.clone())
+                .execute(&data.pool),
+        );
+    }
+
+    let results = future::join_all(refresh_tokens_delete).await;
+
+    let errors: Vec<&Result<sqlx::postgres::PgQueryResult, sqlx::Error>> =
+        results.iter().filter(|r| r.is_err()).collect();
+
+    if !errors.is_empty() {
+        error!("{:?}", errors);
+        return Ok(HttpResponse::InternalServerError().finish());
+    }
+
+    Ok(HttpResponse::Ok().json(Response::new(true)))
 }

src/api/v1/invites/id.rs

@@ -1,7 +1,6 @@
-use actix_web::{HttpRequest, HttpResponse, get, post, web};
+use actix_web::{Error, HttpRequest, HttpResponse, get, post, web};
 
 use crate::{
-    error::Error,
     Data,
     api::v1::auth::check_access_token,
     structs::{Guild, Invite, Member},
@@ -16,17 +15,29 @@ pub async fn get(
 ) -> Result<HttpResponse, Error> {
     let headers = req.headers();
 
-    let auth_header = get_auth_header(headers)?;
+    let auth_header = get_auth_header(headers);
 
-    let mut conn = data.pool.get().await?;
-
-    check_access_token(auth_header, &mut conn).await?;
+    if let Err(error) = auth_header {
+        return Ok(error);
+    }
 
     let invite_id = path.into_inner().0;
 
-    let invite = Invite::fetch_one(&mut conn, invite_id).await?;
+    let result = Invite::fetch_one(&data.pool, invite_id).await;
 
-    let guild = Guild::fetch_one(&mut conn, invite.guild_uuid).await?;
+    if let Err(error) = result {
+        return Ok(error);
+    }
+
+    let invite = result.unwrap();
+
+    let guild_result = Guild::fetch_one(&data.pool, invite.guild_uuid).await;
+
+    if let Err(error) = guild_result {
+        return Ok(error);
+    }
+
+    let guild = guild_result.unwrap();
 
     Ok(HttpResponse::Ok().json(guild))
 }
@@ -39,19 +50,43 @@ pub async fn join(
 ) -> Result<HttpResponse, Error> {
     let headers = req.headers();
 
-    let auth_header = get_auth_header(headers)?;
+    let auth_header = get_auth_header(headers);
+
+    if let Err(error) = auth_header {
+        return Ok(error);
+    }
 
     let invite_id = path.into_inner().0;
 
-    let mut conn = data.pool.get().await?;
+    let authorized = check_access_token(auth_header.unwrap(), &data.pool).await;
 
-    let uuid = check_access_token(auth_header, &mut conn).await?;
+    if let Err(error) = authorized {
+        return Ok(error);
+    }
 
-    let invite = Invite::fetch_one(&mut conn, invite_id).await?;
+    let uuid = authorized.unwrap();
 
-    let guild = Guild::fetch_one(&mut conn, invite.guild_uuid).await?;
+    let result = Invite::fetch_one(&data.pool, invite_id).await;
 
-    Member::new(&mut conn, uuid, guild.uuid).await?;
+    if let Err(error) = result {
+        return Ok(error);
+    }
+
+    let invite = result.unwrap();
+
+    let guild_result = Guild::fetch_one(&data.pool, invite.guild_uuid).await;
+
+    if let Err(error) = guild_result {
+        return Ok(error);
+    }
+
+    let guild = guild_result.unwrap();
+
+    let member = Member::new(&data.pool, uuid, guild.uuid).await;
+
+    if let Err(error) = member {
+        return Ok(error);
+    }
 
     Ok(HttpResponse::Ok().json(guild))
 }

src/api/v1/servers/mod.rs

@@ -1,9 +1,9 @@
-use actix_web::{get, post, web, HttpRequest, HttpResponse, Scope};
+use actix_web::{get, post, web, Error, HttpRequest, HttpResponse, Scope};
 use serde::Deserialize;
 
 mod uuid;
 
-use crate::{error::Error, api::v1::auth::check_access_token, structs::{Guild, StartAmountQuery}, utils::get_auth_header, Data};
+use crate::{api::v1::auth::check_access_token, structs::{Guild, StartAmountQuery}, utils::get_auth_header, Data};
 
 #[derive(Deserialize)]
 struct GuildInfo {
@@ -26,21 +26,33 @@ pub async fn create(
 ) -> Result<HttpResponse, Error> {
     let headers = req.headers();
 
-    let auth_header = get_auth_header(headers)?;
+    let auth_header = get_auth_header(headers);
 
-    let mut conn = data.pool.get().await?;
+    if let Err(error) = auth_header {
+        return Ok(error);
+    }
 
-    let uuid = check_access_token(auth_header, &mut conn).await?;
+    let authorized = check_access_token(auth_header.unwrap(), &data.pool).await;
+
+    if let Err(error) = authorized {
+        return Ok(error);
+    }
+
+    let uuid = authorized.unwrap();
 
     let guild = Guild::new(
-        &mut conn,
+        &data.pool,
         guild_info.name.clone(),
         guild_info.description.clone(),
         uuid,
     )
-    .await?;
+    .await;
 
-    Ok(HttpResponse::Ok().json(guild))
+    if let Err(error) = guild {
+        return Ok(error);
+    }
+
+    Ok(HttpResponse::Ok().json(guild.unwrap()))
 }
 
 #[get("")]
@@ -51,16 +63,28 @@ pub async fn get(
 ) -> Result<HttpResponse, Error> {
     let headers = req.headers();
 
-    let auth_header = get_auth_header(headers)?;
+    let auth_header = get_auth_header(headers);
 
     let start = request_query.start.unwrap_or(0);
 
     let amount = request_query.amount.unwrap_or(10);
 
-    check_access_token(auth_header, &mut data.pool.get().await.unwrap()).await?;
-
-    let guilds = Guild::fetch_amount(&data.pool, start, amount).await?;
-
-    Ok(HttpResponse::Ok().json(guilds))
+    if let Err(error) = auth_header {
+        return Ok(error);
+    }
+
+    let authorized = check_access_token(auth_header.unwrap(), &data.pool).await;
+
+    if let Err(error) = authorized {
+        return Ok(error);
+    }
+
+    let guilds = Guild::fetch_amount(&data.pool, start, amount).await;
+
+    if let Err(error) = guilds {
+        return Ok(error);
+    }
+
+    Ok(HttpResponse::Ok().json(guilds.unwrap()))
 }
 

src/api/v1/servers/uuid/channels/mod.rs

@@ -1,12 +1,12 @@
 use crate::{
-    error::Error,
     Data,
     api::v1::auth::check_access_token,
     structs::{Channel, Member},
     utils::get_auth_header,
 };
 use ::uuid::Uuid;
-use actix_web::{HttpRequest, HttpResponse, get, post, web};
+use actix_web::{Error, HttpRequest, HttpResponse, get, post, web};
+use log::error;
 use serde::Deserialize;
 
 pub mod uuid;
@@ -25,27 +25,52 @@ pub async fn get(
 ) -> Result<HttpResponse, Error> {
     let headers = req.headers();
 
-    let auth_header = get_auth_header(headers)?;
+    let auth_header = get_auth_header(headers);
+
+    if let Err(error) = auth_header {
+        return Ok(error);
+    }
 
     let guild_uuid = path.into_inner().0;
 
-    let mut conn = data.pool.get().await?;
+    let authorized = check_access_token(auth_header.unwrap(), &data.pool).await;
 
-    let uuid = check_access_token(auth_header, &mut conn).await?;
+    if let Err(error) = authorized {
+        return Ok(error);
+    }
 
-    Member::fetch_one(&mut conn, uuid, guild_uuid).await?;
+    let uuid = authorized.unwrap();
 
-    if let Ok(cache_hit) = data.get_cache_key(format!("{}_channels", guild_uuid)).await {
+    let member = Member::fetch_one(&data.pool, uuid, guild_uuid).await;
+
+    if let Err(error) = member {
+        return Ok(error);
+    }
+
+    let cache_result = data.get_cache_key(format!("{}_channels", guild_uuid)).await;
+
+    if let Ok(cache_hit) = cache_result {
         return Ok(HttpResponse::Ok()
             .content_type("application/json")
             .body(cache_hit));
     }
 
-    let channels = Channel::fetch_all(&data.pool, guild_uuid).await?;
+    let channels_result = Channel::fetch_all(&data.pool, guild_uuid).await;
 
-    data
+    if let Err(error) = channels_result {
+        return Ok(error);
+    }
+
+    let channels = channels_result.unwrap();
+
+    let cache_result = data
         .set_cache_key(format!("{}_channels", guild_uuid), channels.clone(), 1800)
-        .await?;
+        .await;
+
+    if let Err(error) = cache_result {
+        error!("{}", error);
+        return Ok(HttpResponse::InternalServerError().finish());
+    }
 
     Ok(HttpResponse::Ok().json(channels))
 }
@@ -59,15 +84,27 @@ pub async fn create(
 ) -> Result<HttpResponse, Error> {
     let headers = req.headers();
 
-    let auth_header = get_auth_header(headers)?;
+    let auth_header = get_auth_header(headers);
+
+    if let Err(error) = auth_header {
+        return Ok(error);
+    }
 
     let guild_uuid = path.into_inner().0;
 
-    let mut conn = data.pool.get().await?;
+    let authorized = check_access_token(auth_header.unwrap(), &data.pool).await;
 
-    let uuid = check_access_token(auth_header, &mut conn).await?;
+    if let Err(error) = authorized {
+        return Ok(error);
+    }
 
-    Member::fetch_one(&mut conn, uuid, guild_uuid).await?;
+    let uuid = authorized.unwrap();
+
+    let member = Member::fetch_one(&data.pool, uuid, guild_uuid).await;
+
+    if let Err(error) = member {
+        return Ok(error);
+    }
 
     // FIXME: Logic to check permissions, should probably be done in utils.rs
 
@@ -79,5 +116,9 @@ pub async fn create(
     )
     .await;
 
+    if let Err(error) = channel {
+        return Ok(error);
+    }
+
     Ok(HttpResponse::Ok().json(channel.unwrap()))
 }

src/api/v1/servers/uuid/channels/uuid/messages.rs

@@ -1,12 +1,12 @@
 use crate::{
-    error::Error,
     Data,
     api::v1::auth::check_access_token,
     structs::{Channel, Member},
     utils::get_auth_header,
 };
 use ::uuid::Uuid;
-use actix_web::{HttpRequest, HttpResponse, get, web};
+use actix_web::{Error, HttpRequest, HttpResponse, get, web};
+use log::error;
 use serde::Deserialize;
 
 #[derive(Deserialize)]
@@ -24,31 +24,60 @@ pub async fn get(
 ) -> Result<HttpResponse, Error> {
     let headers = req.headers();
 
-    let auth_header = get_auth_header(headers)?;
+    let auth_header = get_auth_header(headers);
+
+    if let Err(error) = auth_header {
+        return Ok(error);
+    }
 
     let (guild_uuid, channel_uuid) = path.into_inner();
 
-    let mut conn = data.pool.get().await?;
+    let authorized = check_access_token(auth_header.unwrap(), &data.pool).await;
 
-    let uuid = check_access_token(auth_header, &mut conn).await?;
+    if let Err(error) = authorized {
+        return Ok(error);
+    }
 
-    Member::fetch_one(&mut conn, uuid, guild_uuid).await?;
+    let uuid = authorized.unwrap();
+
+    let member = Member::fetch_one(&data.pool, uuid, guild_uuid).await;
+
+    if let Err(error) = member {
+        return Ok(error);
+    }
+
+    let cache_result = data.get_cache_key(format!("{}", channel_uuid)).await;
 
     let channel: Channel;
 
-    if let Ok(cache_hit) = data.get_cache_key(format!("{}", channel_uuid)).await {
-        channel = serde_json::from_str(&cache_hit)?
+    if let Ok(cache_hit) = cache_result {
+        channel = serde_json::from_str(&cache_hit).unwrap()
     } else {
-        channel = Channel::fetch_one(&mut conn, channel_uuid).await?;
+        let channel_result = Channel::fetch_one(&data.pool, guild_uuid, channel_uuid).await;
 
-        data
+        if let Err(error) = channel_result {
+            return Ok(error);
+        }
+
+        channel = channel_result.unwrap();
+
+        let cache_result = data
             .set_cache_key(format!("{}", channel_uuid), channel.clone(), 60)
-            .await?;
+            .await;
+
+        if let Err(error) = cache_result {
+            error!("{}", error);
+            return Ok(HttpResponse::InternalServerError().finish());
+        }
     }
 
     let messages = channel
-        .fetch_messages(&mut conn, message_request.amount, message_request.offset)
-        .await?;
+        .fetch_messages(&data.pool, message_request.amount, message_request.offset)
+        .await;
 
-    Ok(HttpResponse::Ok().json(messages))
+    if let Err(error) = messages {
+        return Ok(error);
+    }
+
+    Ok(HttpResponse::Ok().json(messages.unwrap()))
 }

src/api/v1/servers/uuid/channels/uuid/mod.rs

@@ -2,14 +2,14 @@ pub mod messages;
 pub mod socket;
 
 use crate::{
-    error::Error,
     Data,
     api::v1::auth::check_access_token,
     structs::{Channel, Member},
     utils::get_auth_header,
 };
-use uuid::Uuid;
-use actix_web::{HttpRequest, HttpResponse, delete, get, web};
+use ::uuid::Uuid;
+use actix_web::{Error, HttpRequest, HttpResponse, delete, get, web};
+use log::error;
 
 #[get("{uuid}/channels/{channel_uuid}")]
 pub async fn get(
@@ -19,27 +19,52 @@ pub async fn get(
 ) -> Result<HttpResponse, Error> {
     let headers = req.headers();
 
-    let auth_header = get_auth_header(headers)?;
+    let auth_header = get_auth_header(headers);
+
+    if let Err(error) = auth_header {
+        return Ok(error);
+    }
 
     let (guild_uuid, channel_uuid) = path.into_inner();
 
-    let mut conn = data.pool.get().await?;
+    let authorized = check_access_token(auth_header.unwrap(), &data.pool).await;
 
-    let uuid = check_access_token(auth_header, &mut conn).await?;
+    if let Err(error) = authorized {
+        return Ok(error);
+    }
 
-    Member::fetch_one(&mut conn, uuid, guild_uuid).await?;
+    let uuid = authorized.unwrap();
 
-    if let Ok(cache_hit) = data.get_cache_key(format!("{}", channel_uuid)).await {
+    let member = Member::fetch_one(&data.pool, uuid, guild_uuid).await;
+
+    if let Err(error) = member {
+        return Ok(error);
+    }
+
+    let cache_result = data.get_cache_key(format!("{}", channel_uuid)).await;
+
+    if let Ok(cache_hit) = cache_result {
         return Ok(HttpResponse::Ok()
             .content_type("application/json")
             .body(cache_hit));
     }
 
-    let channel = Channel::fetch_one(&mut conn, channel_uuid).await?;
+    let channel_result = Channel::fetch_one(&data.pool, guild_uuid, channel_uuid).await;
 
-    data
+    if let Err(error) = channel_result {
+        return Ok(error);
+    }
+
+    let channel = channel_result.unwrap();
+
+    let cache_result = data
         .set_cache_key(format!("{}", channel_uuid), channel.clone(), 60)
-        .await?;
+        .await;
+
+    if let Err(error) = cache_result {
+        error!("{}", error);
+        return Ok(HttpResponse::InternalServerError().finish());
+    }
 
     Ok(HttpResponse::Ok().json(channel))
 }
@@ -52,27 +77,55 @@ pub async fn delete(
 ) -> Result<HttpResponse, Error> {
     let headers = req.headers();
 
-    let auth_header = get_auth_header(headers)?;
+    let auth_header = get_auth_header(headers);
+
+    if let Err(error) = auth_header {
+        return Ok(error);
+    }
 
     let (guild_uuid, channel_uuid) = path.into_inner();
 
-    let mut conn = data.pool.get().await?;
+    let authorized = check_access_token(auth_header.unwrap(), &data.pool).await;
 
-    let uuid = check_access_token(auth_header, &mut conn).await?;
+    if let Err(error) = authorized {
+        return Ok(error);
+    }
 
-    Member::fetch_one(&mut conn, uuid, guild_uuid).await?;
+    let uuid = authorized.unwrap();
+
+    let member = Member::fetch_one(&data.pool, uuid, guild_uuid).await;
+
+    if let Err(error) = member {
+        return Ok(error);
+    }
+
+    let cache_result = data.get_cache_key(format!("{}", channel_uuid)).await;
 
     let channel: Channel;
 
-    if let Ok(cache_hit) = data.get_cache_key(format!("{}", channel_uuid)).await {
+    if let Ok(cache_hit) = cache_result {
         channel = serde_json::from_str(&cache_hit).unwrap();
 
-        data.del_cache_key(format!("{}", channel_uuid)).await?;
+        let result = data.del_cache_key(format!("{}", channel_uuid)).await;
+
+        if let Err(error) = result {
+            error!("{}", error)
+        }
     } else {
-        channel = Channel::fetch_one(&mut conn, channel_uuid).await?;
+        let channel_result = Channel::fetch_one(&data.pool, guild_uuid, channel_uuid).await;
+
+        if let Err(error) = channel_result {
+            return Ok(error);
         }
 
-    channel.delete(&mut conn).await?;
+        channel = channel_result.unwrap();
+    }
+
+    let delete_result = channel.delete(&data.pool).await;
+
+    if let Err(error) = delete_result {
+        return Ok(error);
+    }
 
     Ok(HttpResponse::Ok().finish())
 }

src/api/v1/servers/uuid/channels/uuid/socket.rs

@@ -1,6 +1,7 @@
 use actix_web::{Error, HttpRequest, HttpResponse, get, rt, web};
 use actix_ws::AggregatedMessage;
 use futures_util::StreamExt as _;
+use log::error;
 use uuid::Uuid;
 
 use crate::{
@@ -21,30 +22,57 @@ pub async fn echo(
     let headers = req.headers();
 
     // Retrieve auth header
-    let auth_header = get_auth_header(headers)?;
+    let auth_header = get_auth_header(headers);
+
+    if let Err(error) = auth_header {
+        return Ok(error);
+    }
 
     // Get uuids from path
     let (guild_uuid, channel_uuid) = path.into_inner();
 
-    let mut conn = data.pool.get().await.map_err(|e| crate::error::Error::from(e))?;
-
     // Authorize client using auth header
-    let uuid = check_access_token(auth_header, &mut conn).await?;
+    let authorized = check_access_token(auth_header.unwrap(), &data.pool).await;
+
+    if let Err(error) = authorized {
+        return Ok(error);
+    }
+
+    // Unwrap user uuid from authorization
+    let uuid = authorized.unwrap();
 
     // Get server member from psql
-    Member::fetch_one(&mut conn, uuid, guild_uuid).await?;
+    let member = Member::fetch_one(&data.pool, uuid, guild_uuid).await;
+
+    if let Err(error) = member {
+        return Ok(error);
+    }
+
+    // Get cache for channel
+    let cache_result = data.get_cache_key(format!("{}", channel_uuid)).await;
 
     let channel: Channel;
 
     // Return channel cache or result from psql as `channel` variable
-    if let Ok(cache_hit) = data.get_cache_key(format!("{}", channel_uuid)).await {
+    if let Ok(cache_hit) = cache_result {
         channel = serde_json::from_str(&cache_hit).unwrap()
     } else {
-        channel = Channel::fetch_one(&mut conn, channel_uuid).await?;
+        let channel_result = Channel::fetch_one(&data.pool, guild_uuid, channel_uuid).await;
 
-        data
+        if let Err(error) = channel_result {
+            return Ok(error);
+        }
+
+        channel = channel_result.unwrap();
+
+        let cache_result = data
             .set_cache_key(format!("{}", channel_uuid), channel.clone(), 60)
-            .await?;
+            .await;
+
+        if let Err(error) = cache_result {
+            error!("{}", error);
+            return Ok(HttpResponse::InternalServerError().finish());
+        }
     }
 
     let (res, mut session_1, stream) = actix_ws::handle(&req, stream)?;
@@ -54,11 +82,17 @@ pub async fn echo(
         // aggregate continuation frames up to 1MiB
         .max_continuation_size(2_usize.pow(20));
 
-    let mut pubsub = data.cache_pool.get_async_pubsub().await.map_err(|e| crate::error::Error::from(e))?;
+    let pubsub_result = data.cache_pool.get_async_pubsub().await;
+
+    if let Err(error) = pubsub_result {
+        error!("{}", error);
+        return Ok(HttpResponse::InternalServerError().finish());
+    }
 
     let mut session_2 = session_1.clone();
 
     rt::spawn(async move {
+        let mut pubsub = pubsub_result.unwrap();
         pubsub.subscribe(channel_uuid.to_string()).await.unwrap();
         while let Some(msg) = pubsub.on_message().next().await {
             let payload: String = msg.get_payload().unwrap();
@@ -84,7 +118,7 @@ pub async fn echo(
                         .await
                         .unwrap();
                     channel
-                        .new_message(&mut data.pool.get().await.unwrap(), uuid, text.to_string())
+                        .new_message(&data.pool, uuid, text.to_string())
                         .await
                         .unwrap();
                 }

src/api/v1/servers/uuid/invites/mod.rs

@@ -1,9 +1,8 @@
-use actix_web::{HttpRequest, HttpResponse, get, post, web};
+use actix_web::{Error, HttpRequest, HttpResponse, get, post, web};
 use serde::Deserialize;
 use uuid::Uuid;
 
 use crate::{
-    error::Error,
     Data,
     api::v1::auth::check_access_token,
     structs::{Guild, Member},
@@ -23,21 +22,43 @@ pub async fn get(
 ) -> Result<HttpResponse, Error> {
     let headers = req.headers();
 
-    let auth_header = get_auth_header(headers)?;
+    let auth_header = get_auth_header(headers);
+
+    if let Err(error) = auth_header {
+        return Ok(error);
+    }
 
     let guild_uuid = path.into_inner().0;
 
-    let mut conn = data.pool.get().await?;
+    let authorized = check_access_token(auth_header.unwrap(), &data.pool).await;
 
-    let uuid = check_access_token(auth_header, &mut conn).await?;
+    if let Err(error) = authorized {
+        return Ok(error);
+    }
 
-    Member::fetch_one(&mut conn, uuid, guild_uuid).await?;
+    let uuid = authorized.unwrap();
 
-    let guild = Guild::fetch_one(&mut conn, guild_uuid).await?;
+    let member = Member::fetch_one(&data.pool, uuid, guild_uuid).await;
 
-    let invites = guild.get_invites(&mut conn).await?;
+    if let Err(error) = member {
+        return Ok(error);
+    }
 
-    Ok(HttpResponse::Ok().json(invites))
+    let guild_result = Guild::fetch_one(&data.pool, guild_uuid).await;
+
+    if let Err(error) = guild_result {
+        return Ok(error);
+    }
+
+    let guild = guild_result.unwrap();
+
+    let invites = guild.get_invites(&data.pool).await;
+
+    if let Err(error) = invites {
+        return Ok(error);
+    }
+
+    Ok(HttpResponse::Ok().json(invites.unwrap()))
 }
 
 #[post("{uuid}/invites")]
@@ -49,21 +70,45 @@ pub async fn create(
 ) -> Result<HttpResponse, Error> {
     let headers = req.headers();
 
-    let auth_header = get_auth_header(headers)?;
+    let auth_header = get_auth_header(headers);
+
+    if let Err(error) = auth_header {
+        return Ok(error);
+    }
 
     let guild_uuid = path.into_inner().0;
 
-    let mut conn = data.pool.get().await?;
+    let authorized = check_access_token(auth_header.unwrap(), &data.pool).await;
 
-    let uuid = check_access_token(auth_header, &mut conn).await?;
+    if let Err(error) = authorized {
+        return Ok(error);
+    }
 
-    let member = Member::fetch_one(&mut conn, uuid, guild_uuid).await?;
+    let uuid = authorized.unwrap();
 
-    let guild = Guild::fetch_one(&mut conn, guild_uuid).await?;
+    let member_result = Member::fetch_one(&data.pool, uuid, guild_uuid).await;
+
+    if let Err(error) = member_result {
+        return Ok(error);
+    }
+
+    let member = member_result.unwrap();
+
+    let guild_result = Guild::fetch_one(&data.pool, guild_uuid).await;
+
+    if let Err(error) = guild_result {
+        return Ok(error);
+    }
+
+    let guild = guild_result.unwrap();
 
     let custom_id = invite_request.as_ref().map(|ir| ir.custom_id.clone());
 
-    let invite = guild.create_invite(&mut conn, &member, custom_id).await?;
+    let invite = guild.create_invite(&data.pool, &member, custom_id).await;
 
-    Ok(HttpResponse::Ok().json(invite))
+    if let Err(error) = invite {
+        return Ok(error);
+    }
+
+    Ok(HttpResponse::Ok().json(invite.unwrap()))
 }

src/api/v1/servers/uuid/mod.rs

@@ -1,4 +1,4 @@
-use actix_web::{HttpRequest, HttpResponse, Scope, get, web};
+use actix_web::{Error, HttpRequest, HttpResponse, Scope, get, web};
 use uuid::Uuid;
 
 mod channels;
@@ -6,7 +6,6 @@ mod invites;
 mod roles;
 
 use crate::{
-    error::Error,
     Data,
     api::v1::auth::check_access_token,
     structs::{Guild, Member},
@@ -41,17 +40,33 @@ pub async fn res(
 ) -> Result<HttpResponse, Error> {
     let headers = req.headers();
 
-    let auth_header = get_auth_header(headers)?;
+    let auth_header = get_auth_header(headers);
+
+    if let Err(error) = auth_header {
+        return Ok(error);
+    }
 
     let guild_uuid = path.into_inner().0;
 
-    let mut conn = data.pool.get().await?;
+    let authorized = check_access_token(auth_header.unwrap(), &data.pool).await;
 
-    let uuid = check_access_token(auth_header, &mut conn).await?;
-
-    Member::fetch_one(&mut conn, uuid, guild_uuid).await?;
-
-    let guild = Guild::fetch_one(&mut conn, guild_uuid).await?;
-
-    Ok(HttpResponse::Ok().json(guild))
+    if let Err(error) = authorized {
+        return Ok(error);
+    }
+
+    let uuid = authorized.unwrap();
+
+    let member = Member::fetch_one(&data.pool, uuid, guild_uuid).await;
+
+    if let Err(error) = member {
+        return Ok(error);
+    }
+
+    let guild = Guild::fetch_one(&data.pool, guild_uuid).await;
+
+    if let Err(error) = guild {
+        return Ok(error);
+    }
+
+    Ok(HttpResponse::Ok().json(guild.unwrap()))
 }

src/api/v1/servers/uuid/roles/mod.rs

@@ -1,14 +1,13 @@
-use ::uuid::Uuid;
-use actix_web::{HttpRequest, HttpResponse, get, post, web};
-use serde::Deserialize;
-
 use crate::{
-    error::Error,
     Data,
     api::v1::auth::check_access_token,
     structs::{Member, Role},
     utils::get_auth_header,
 };
+use ::uuid::Uuid;
+use actix_web::{Error, HttpRequest, HttpResponse, get, post, web};
+use log::error;
+use serde::Deserialize;
 
 pub mod uuid;
 
@@ -25,27 +24,52 @@ pub async fn get(
 ) -> Result<HttpResponse, Error> {
     let headers = req.headers();
 
-    let auth_header = get_auth_header(headers)?;
+    let auth_header = get_auth_header(headers);
+
+    if let Err(error) = auth_header {
+        return Ok(error);
+    }
 
     let guild_uuid = path.into_inner().0;
 
-    let mut conn = data.pool.get().await?;
+    let authorized = check_access_token(auth_header.unwrap(), &data.pool).await;
 
-    let uuid = check_access_token(auth_header, &mut conn).await?;
+    if let Err(error) = authorized {
+        return Ok(error);
+    }
 
-    Member::fetch_one(&mut conn, uuid, guild_uuid).await?;
+    let uuid = authorized.unwrap();
 
-    if let Ok(cache_hit) = data.get_cache_key(format!("{}_roles", guild_uuid)).await {
+    let member = Member::fetch_one(&data.pool, uuid, guild_uuid).await;
+
+    if let Err(error) = member {
+        return Ok(error);
+    }
+
+    let cache_result = data.get_cache_key(format!("{}_roles", guild_uuid)).await;
+
+    if let Ok(cache_hit) = cache_result {
         return Ok(HttpResponse::Ok()
             .content_type("application/json")
             .body(cache_hit));
     }
 
-    let roles = Role::fetch_all(&mut conn, guild_uuid).await?;
+    let roles_result = Role::fetch_all(&data.pool, guild_uuid).await;
 
-    data
+    if let Err(error) = roles_result {
+        return Ok(error);
+    }
+
+    let roles = roles_result.unwrap();
+
+    let cache_result = data
         .set_cache_key(format!("{}_roles", guild_uuid), roles.clone(), 1800)
-        .await?;
+        .await;
+
+    if let Err(error) = cache_result {
+        error!("{}", error);
+        return Ok(HttpResponse::InternalServerError().finish());
+    }
 
     Ok(HttpResponse::Ok().json(roles))
 }
@@ -59,19 +83,35 @@ pub async fn create(
 ) -> Result<HttpResponse, Error> {
     let headers = req.headers();
 
-    let auth_header = get_auth_header(headers)?;
+    let auth_header = get_auth_header(headers);
+
+    if let Err(error) = auth_header {
+        return Ok(error);
+    }
 
     let guild_uuid = path.into_inner().0;
 
-    let mut conn = data.pool.get().await.unwrap();
+    let authorized = check_access_token(auth_header.unwrap(), &data.pool).await;
 
-    let uuid = check_access_token(auth_header, &mut conn).await?;
+    if let Err(error) = authorized {
+        return Ok(error);
+    }
 
-    Member::fetch_one(&mut conn, uuid, guild_uuid).await?;
+    let uuid = authorized.unwrap();
+
+    let member = Member::fetch_one(&data.pool, uuid, guild_uuid).await;
+
+    if let Err(error) = member {
+        return Ok(error);
+    }
 
     // FIXME: Logic to check permissions, should probably be done in utils.rs
 
-    let role = Role::new(&mut conn, guild_uuid, role_info.name.clone()).await?;
+    let role = Role::new(&data.pool, guild_uuid, role_info.name.clone()).await;
 
-    Ok(HttpResponse::Ok().json(role))
+    if let Err(error) = role {
+        return Ok(error);
+    }
+
+    Ok(HttpResponse::Ok().json(role.unwrap()))
 }

src/api/v1/servers/uuid/roles/uuid.rs

@@ -1,12 +1,12 @@
 use crate::{
-    error::Error,
     Data,
     api::v1::auth::check_access_token,
     structs::{Member, Role},
     utils::get_auth_header,
 };
 use ::uuid::Uuid;
-use actix_web::{HttpRequest, HttpResponse, get, web};
+use actix_web::{Error, HttpRequest, HttpResponse, get, web};
+use log::error;
 
 #[get("{uuid}/roles/{role_uuid}")]
 pub async fn get(
@@ -16,27 +16,52 @@ pub async fn get(
 ) -> Result<HttpResponse, Error> {
     let headers = req.headers();
 
-    let auth_header = get_auth_header(headers)?;
+    let auth_header = get_auth_header(headers);
+
+    if let Err(error) = auth_header {
+        return Ok(error);
+    }
 
     let (guild_uuid, role_uuid) = path.into_inner();
 
-    let mut conn = data.pool.get().await?;
+    let authorized = check_access_token(auth_header.unwrap(), &data.pool).await;
 
-    let uuid = check_access_token(auth_header, &mut conn).await?;
+    if let Err(error) = authorized {
+        return Ok(error);
+    }
 
-    Member::fetch_one(&mut conn, uuid, guild_uuid).await?;
+    let uuid = authorized.unwrap();
 
-    if let Ok(cache_hit) = data.get_cache_key(format!("{}", role_uuid)).await {
+    let member = Member::fetch_one(&data.pool, uuid, guild_uuid).await;
+
+    if let Err(error) = member {
+        return Ok(error);
+    }
+
+    let cache_result = data.get_cache_key(format!("{}", role_uuid)).await;
+
+    if let Ok(cache_hit) = cache_result {
         return Ok(HttpResponse::Ok()
             .content_type("application/json")
             .body(cache_hit));
     }
 
-    let role = Role::fetch_one(&mut conn, role_uuid).await?;
+    let role_result = Role::fetch_one(&data.pool, guild_uuid, role_uuid).await;
 
-    data
+    if let Err(error) = role_result {
+        return Ok(error);
+    }
+
+    let role = role_result.unwrap();
+
+    let cache_result = data
         .set_cache_key(format!("{}", role_uuid), role.clone(), 60)
-        .await?;
+        .await;
+
+    if let Err(error) = cache_result {
+        error!("{}", error);
+        return Ok(HttpResponse::InternalServerError().finish());
+    }
 
     Ok(HttpResponse::Ok().json(role))
 }

src/api/v1/stats.rs

@@ -1,31 +1,31 @@
 use std::time::SystemTime;
 
-use actix_web::{HttpResponse, get, web};
-use diesel::QueryDsl;
-use diesel_async::RunQueryDsl;
+use actix_web::{HttpResponse, Responder, get, web};
 use serde::Serialize;
 
-use crate::error::Error;
 use crate::Data;
-use crate::schema::users::dsl::{users, uuid};
 
 const VERSION: Option<&'static str> = option_env!("CARGO_PKG_VERSION");
 
 #[derive(Serialize)]
 struct Response {
-    accounts: i64,
+    accounts: usize,
     uptime: u64,
     version: String,
     build_number: String,
 }
 
 #[get("/stats")]
-pub async fn res(data: web::Data<Data>) -> Result<HttpResponse, Error> {
-    let accounts: i64 = users
-        .select(uuid)
-        .count()
-        .get_result(&mut data.pool.get().await?)
-        .await?;
+pub async fn res(data: web::Data<Data>) -> impl Responder {
+    let accounts;
+    if let Ok(users) = sqlx::query("SELECT uuid FROM users")
+        .fetch_all(&data.pool)
+        .await
+    {
+        accounts = users.len();
+    } else {
+        return HttpResponse::InternalServerError().finish();
+    }
 
     let response = Response {
         // TODO: Get number of accounts from db
@@ -39,5 +39,5 @@ pub async fn res(data: web::Data<Data>) -> Result<HttpResponse, Error> {
         build_number: String::from("how do i implement this?"),
     };
 
-    Ok(HttpResponse::Ok().json(response))
+    HttpResponse::Ok().json(response)
 }

src/api/v1/users/me.rs

@@ -1,41 +1,51 @@
-use actix_web::{HttpRequest, HttpResponse, get, web};
-use diesel::{prelude::Queryable, ExpressionMethods, QueryDsl, Selectable, SelectableHelper};
-use diesel_async::RunQueryDsl;
+use actix_web::{Error, HttpRequest, HttpResponse, get, web};
 use log::error;
 use serde::Serialize;
-use uuid::Uuid;
 
-use crate::{error::Error, api::v1::auth::check_access_token, schema::users::{self, dsl}, utils::get_auth_header, Data};
+use crate::{Data, api::v1::auth::check_access_token, utils::get_auth_header};
 
-#[derive(Serialize, Queryable, Selectable)]
-#[diesel(table_name = users)]
-#[diesel(check_for_backend(diesel::pg::Pg))]
+#[derive(Serialize)]
 struct Response {
-    uuid: Uuid,
+    uuid: String,
     username: String,
-    display_name: Option<String>,
+    display_name: String,
 }
 
 #[get("/me")]
 pub async fn res(req: HttpRequest, data: web::Data<Data>) -> Result<HttpResponse, Error> {
     let headers = req.headers();
 
-    let auth_header = get_auth_header(headers)?;
+    let auth_header = get_auth_header(headers);
 
-    let mut conn = data.pool.get().await?;
+    if let Err(error) = auth_header {
+        return Ok(error);
+    }
 
-    let uuid = check_access_token(auth_header, &mut conn).await?;
+    let authorized = check_access_token(auth_header.unwrap(), &data.pool).await;
 
-    let user: Result<Response, diesel::result::Error> = dsl::users
-        .filter(dsl::uuid.eq(uuid))
-        .select(Response::as_select())
-        .get_result(&mut conn)
+    if let Err(error) = authorized {
+        return Ok(error);
+    }
+
+    let uuid = authorized.unwrap();
+
+    let row = sqlx::query_as(&format!(
+        "SELECT username, display_name FROM users WHERE uuid = '{}'",
+        uuid
+    ))
+    .fetch_one(&data.pool)
     .await;
 
-    if let Err(error) = user {
+    if let Err(error) = row {
         error!("{}", error);
-        return Ok(HttpResponse::InternalServerError().finish())
+        return Ok(HttpResponse::InternalServerError().finish());
     }
 
-    Ok(HttpResponse::Ok().json(user.unwrap()))
+    let (username, display_name): (String, Option<String>) = row.unwrap();
+
+    Ok(HttpResponse::Ok().json(Response {
+        uuid: uuid.to_string(),
+        username,
+        display_name: display_name.unwrap_or_default(),
+    }))
 }

src/api/v1/users/mod.rs

@@ -1,19 +1,15 @@
-use actix_web::{HttpRequest, HttpResponse, Scope, get, web};
-use diesel::{prelude::Queryable, QueryDsl, Selectable, SelectableHelper};
-use diesel_async::RunQueryDsl;
+use crate::{api::v1::auth::check_access_token, structs::StartAmountQuery, utils::get_auth_header, Data};
+use actix_web::{Error, HttpRequest, HttpResponse, Scope, get, web};
+use log::error;
 use serde::Serialize;
-use ::uuid::Uuid;
-
-use crate::{error::Error,api::v1::auth::check_access_token, schema::users::{self, dsl}, structs::StartAmountQuery, utils::get_auth_header, Data};
+use sqlx::prelude::FromRow;
 
 mod me;
 mod uuid;
 
-#[derive(Serialize, Queryable, Selectable)]
-#[diesel(table_name = users)]
-#[diesel(check_for_backend(diesel::pg::Pg))]
+#[derive(Serialize, FromRow)]
 struct Response {
-    uuid: Uuid,
+    uuid: String,
     username: String,
     display_name: Option<String>,
     email: String,
@@ -34,7 +30,7 @@ pub async fn res(
 ) -> Result<HttpResponse, Error> {
     let headers = req.headers();
 
-    let auth_header = get_auth_header(headers)?;
+    let auth_header = get_auth_header(headers);
 
     let start = request_query.start.unwrap_or(0);
 
@@ -44,17 +40,24 @@ pub async fn res(
         return Ok(HttpResponse::BadRequest().finish());
     }
 
-    let mut conn = data.pool.get().await?;
+    let authorized = check_access_token(auth_header.unwrap(), &data.pool).await;
 
-    check_access_token(auth_header, &mut conn).await?;
-
-    let users: Vec<Response> = dsl::users
-        .order_by(dsl::username)
-        .offset(start)
-        .limit(amount)
-        .select(Response::as_select())
-        .load(&mut conn)
-        .await?;
-
-    Ok(HttpResponse::Ok().json(users))
+    if let Err(error) = authorized {
+        return Ok(error);
+    }
+
+    let row = sqlx::query_as("SELECT CAST(uuid AS VARCHAR), username, display_name, email FROM users ORDER BY username LIMIT $1 OFFSET $2")
+        .bind(amount)
+        .bind(start)
+        .fetch_all(&data.pool)
+        .await;
+
+    if let Err(error) = row {
+        error!("{}", error);
+        return Ok(HttpResponse::InternalServerError().finish());
+    }
+
+    let accounts: Vec<Response> = row.unwrap();
+
+    Ok(HttpResponse::Ok().json(accounts))
 }

src/api/v1/users/uuid.rs

@@ -1,19 +1,15 @@
-use actix_web::{HttpRequest, HttpResponse, get, web};
-use diesel::{ExpressionMethods, QueryDsl, Queryable, Selectable, SelectableHelper};
-use diesel_async::RunQueryDsl;
+use actix_web::{Error, HttpRequest, HttpResponse, get, web};
 use log::error;
 use serde::Serialize;
 use uuid::Uuid;
 
-use crate::{error::Error, api::v1::auth::check_access_token, schema::users::{self, dsl}, utils::get_auth_header, Data};
+use crate::{Data, api::v1::auth::check_access_token, utils::get_auth_header};
 
-#[derive(Serialize, Queryable, Selectable, Clone)]
-#[diesel(table_name = users)]
-#[diesel(check_for_backend(diesel::pg::Pg))]
+#[derive(Serialize, Clone)]
 struct Response {
-    uuid: Uuid,
+    uuid: String,
     username: String,
-    display_name: Option<String>,
+    display_name: String,
 }
 
 #[get("/{uuid}")]
@@ -26,11 +22,17 @@ pub async fn res(
 
     let uuid = path.into_inner().0;
 
-    let auth_header = get_auth_header(headers)?;
+    let auth_header = get_auth_header(headers);
 
-    let mut conn = data.pool.get().await?;
+    if let Err(error) = auth_header {
+        return Ok(error);
+    }
 
-    check_access_token(auth_header, &mut conn).await?;
+    let authorized = check_access_token(auth_header.unwrap(), &data.pool).await;
+
+    if let Err(error) = authorized {
+        return Ok(error);
+    }
 
     let cache_result = data.get_cache_key(uuid.to_string()).await;
 
@@ -40,11 +42,25 @@ pub async fn res(
             .body(cache_hit));
     }
 
-    let user: Response = dsl::users
-        .filter(dsl::uuid.eq(uuid))
-        .select(Response::as_select())
-        .get_result(&mut conn)
-        .await?;
+    let row = sqlx::query_as(&format!(
+        "SELECT username, display_name FROM users WHERE uuid = '{}'",
+        uuid
+    ))
+    .fetch_one(&data.pool)
+    .await;
+
+    if let Err(error) = row {
+        error!("{}", error);
+        return Ok(HttpResponse::InternalServerError().finish());
+    }
+
+    let (username, display_name): (String, Option<String>) = row.unwrap();
+
+    let user = Response {
+        uuid: uuid.to_string(),
+        username,
+        display_name: display_name.unwrap_or_default(),
+    };
 
     let cache_result = data
         .set_cache_key(uuid.to_string(), user.clone(), 1800)

src/config.rs

@@ -1,6 +1,7 @@
-use crate::error::Error;
+use crate::Error;
 use log::debug;
 use serde::Deserialize;
+use sqlx::postgres::PgConnectOptions;
 use tokio::fs::read_to_string;
 
 #[derive(Debug, Deserialize)]
@@ -80,24 +81,13 @@ pub struct Web {
 }
 
 impl Database {
-    pub fn url(&self) -> String {
-        let mut url = String::from("postgres://");
-
-        url += &self.username;
-
-        url += ":";
-        url += &self.password;
-
-        url += "@";
-
-        url += &self.host;
-        url += ":";
-        url += &self.port.to_string();
-
-        url += "/";
-        url += &self.database;
-
-        url
+    pub fn connect_options(&self) -> PgConnectOptions {
+        PgConnectOptions::new()
+            .database(&self.database)
+            .host(&self.host)
+            .username(&self.username)
+            .password(&self.password)
+            .port(self.port)
     }
 }
 

src/error.rs

@@ -1,79 +0,0 @@
-use std::{io, time::SystemTimeError};
-
-use actix_web::{error::ResponseError, http::{header::{ContentType, ToStrError}, StatusCode}, HttpResponse};
-use deadpool::managed::{BuildError, PoolError};
-use redis::RedisError;
-use serde::Serialize;
-use thiserror::Error;
-use diesel::{result::Error as DieselError, ConnectionError};
-use diesel_async::pooled_connection::PoolError as DieselPoolError;
-use tokio::task::JoinError;
-use serde_json::Error as JsonError;
-use toml::de::Error as TomlError;
-use log::error;
-
-#[derive(Debug, Error)]
-pub enum Error {
-    #[error(transparent)]
-    SqlError(#[from] DieselError),
-    #[error(transparent)]
-    PoolError(#[from] PoolError<DieselPoolError>),
-    #[error(transparent)]
-    BuildError(#[from] BuildError),
-    #[error(transparent)]
-    RedisError(#[from] RedisError),
-    #[error(transparent)]
-    ConnectionError(#[from] ConnectionError),
-    #[error(transparent)]
-    JoinError(#[from] JoinError),
-    #[error(transparent)]
-    IoError(#[from] io::Error),
-    #[error(transparent)]
-    TomlError(#[from] TomlError),
-    #[error(transparent)]
-    JsonError(#[from] JsonError),
-    #[error(transparent)]
-    SystemTimeError(#[from] SystemTimeError),
-    #[error(transparent)]
-    ToStrError(#[from] ToStrError),
-    #[error(transparent)]
-    RandomError(#[from] getrandom::Error),
-    #[error("{0}")]
-    PasswordHashError(String),
-    #[error("{0}")]
-    BadRequest(String),
-    #[error("{0}")]
-    Unauthorized(String),
-}
-
-impl ResponseError for Error {
-    fn error_response(&self) -> HttpResponse {
-        error!("{}: {}", self.status_code(), self.to_string());
-
-        HttpResponse::build(self.status_code())
-            .insert_header(ContentType::json())
-            .json(WebError::new(self.to_string()))
-    }
-
-    fn status_code(&self) -> StatusCode {
-        match *self {
-            Error::SqlError(DieselError::NotFound) => StatusCode::NOT_FOUND,
-            Error::BadRequest(_) => StatusCode::BAD_REQUEST,
-            Error::Unauthorized(_) => StatusCode::UNAUTHORIZED,
-            _ => StatusCode::INTERNAL_SERVER_ERROR,
-        }
-    }
-}
-
-#[derive(Serialize)]
-struct WebError {
-    message: String,
-}
-
-impl WebError {
-    fn new(message: String) -> Self {
-        Self {
-            message,
-        }
-    }
-}

src/main.rs

@@ -2,24 +2,17 @@ use actix_cors::Cors;
 use actix_web::{App, HttpServer, web};
 use argon2::Argon2;
 use clap::Parser;
-use error::Error;
 use simple_logger::SimpleLogger;
-use diesel_async::pooled_connection::AsyncDieselConnectionManager;
-use diesel_async::pooled_connection::deadpool::Pool;
+use sqlx::{PgPool, Pool, Postgres};
 use std::time::SystemTime;
 mod config;
 use config::{Config, ConfigBuilder};
-use diesel_migrations::{embed_migrations, EmbeddedMigrations, MigrationHarness};
-
-pub const MIGRATIONS: EmbeddedMigrations = embed_migrations!();
-
-type Conn = deadpool::managed::Object<AsyncDieselConnectionManager<diesel_async::AsyncPgConnection>>;
-
 mod api;
+
 pub mod structs;
 pub mod utils;
-pub mod schema;
-pub mod error;
+
+type Error = Box<dyn std::error::Error>;
 
 #[derive(Parser, Debug)]
 #[command(version, about, long_about = None)]
@@ -30,7 +23,7 @@ struct Args {
 
 #[derive(Clone)]
 pub struct Data {
-    pub pool: deadpool::managed::Pool<AsyncDieselConnectionManager<diesel_async::AsyncPgConnection>, Conn>,
+    pub pool: Pool<Postgres>,
     pub cache_pool: redis::Client,
     pub _config: Config,
     pub argon2: Argon2<'static>,
@@ -51,24 +44,105 @@ async fn main() -> Result<(), Error> {
 
     let web = config.web.clone();
 
-    // create a new connection pool with the default config
-    let pool_config = AsyncDieselConnectionManager::<diesel_async::AsyncPgConnection>::new(config.database.url());
-    let pool = Pool::builder(pool_config).build()?;
+    let pool = PgPool::connect_with(config.database.connect_options()).await?;
 
     let cache_pool = redis::Client::open(config.cache_database.url())?;
 
-    let database_url = config.database.url();
+    /*
+    TODO: Figure out if a table should be used here and if not then what.
+    Also figure out if these should be different types from what they currently are and if we should add more "constraints"
 
-    tokio::task::spawn_blocking(move || {
-    use diesel::prelude::Connection;
-    use diesel_async::async_connection_wrapper::AsyncConnectionWrapper;
-
-
-        let mut conn = AsyncConnectionWrapper::<diesel_async::AsyncPgConnection>::establish(&database_url)?;
-
-        conn.run_pending_migrations(MIGRATIONS)?;
-        Ok::<_, Box<dyn std::error::Error + Send + Sync>>(())
-    }).await?.unwrap();
+    TODO: References to time should be removed in favor of using the timestamp built in to UUIDv7 (apart from deleted_at in users)
+    */
+    sqlx::raw_sql(
+        r#"
+        CREATE TABLE IF NOT EXISTS users (
+            uuid uuid PRIMARY KEY NOT NULL,
+            username varchar(32) NOT NULL,
+            display_name varchar(64) DEFAULT NULL,
+            password varchar(512) NOT NULL,
+            email varchar(100) NOT NULL,
+            email_verified boolean NOT NULL DEFAULT FALSE,
+            is_deleted boolean NOT NULL DEFAULT FALSE,
+            deleted_at int8 DEFAULT NULL,
+            CONSTRAINT unique_username_active UNIQUE NULLS NOT DISTINCT (username, is_deleted),
+            CONSTRAINT unique_email_active UNIQUE NULLS NOT DISTINCT (email, is_deleted)
+        );
+        CREATE UNIQUE INDEX IF NOT EXISTS idx_unique_username_active 
+        ON users(username) 
+        WHERE is_deleted = FALSE;
+        CREATE UNIQUE INDEX IF NOT EXISTS idx_unique_email_active 
+        ON users(email) 
+        WHERE is_deleted = FALSE;
+        CREATE TABLE IF NOT EXISTS instance_permissions (
+            uuid uuid NOT NULL REFERENCES users(uuid),
+            administrator boolean NOT NULL DEFAULT FALSE
+        );
+        CREATE TABLE IF NOT EXISTS refresh_tokens (
+            token varchar(64) PRIMARY KEY UNIQUE NOT NULL,
+            uuid uuid NOT NULL REFERENCES users(uuid),
+            created_at int8 NOT NULL,
+            device_name varchar(16) NOT NULL
+        );
+        CREATE TABLE IF NOT EXISTS access_tokens (
+            token varchar(32) PRIMARY KEY UNIQUE NOT NULL,
+            refresh_token varchar(64) UNIQUE NOT NULL REFERENCES refresh_tokens(token) ON UPDATE CASCADE ON DELETE CASCADE,
+            uuid uuid NOT NULL REFERENCES users(uuid),
+            created_at int8 NOT NULL
+        );
+        CREATE TABLE IF NOT EXISTS guilds (
+            uuid uuid PRIMARY KEY NOT NULL,
+            owner_uuid uuid NOT NULL REFERENCES users(uuid),
+            name VARCHAR(100) NOT NULL,
+            description VARCHAR(300)
+        );
+        CREATE TABLE IF NOT EXISTS guild_members (
+            uuid uuid PRIMARY KEY NOT NULL,
+            guild_uuid uuid NOT NULL REFERENCES guilds(uuid) ON DELETE CASCADE,
+            user_uuid uuid NOT NULL REFERENCES users(uuid),
+            nickname VARCHAR(100) DEFAULT NULL
+        );
+        CREATE TABLE IF NOT EXISTS roles (
+            uuid uuid UNIQUE NOT NULL,
+            guild_uuid uuid NOT NULL REFERENCES guilds(uuid) ON DELETE CASCADE,
+            name VARCHAR(50) NOT NULL,
+            color int NOT NULL DEFAULT 16777215,
+            position int NOT NULL,
+            permissions int8 NOT NULL DEFAULT 0,
+            PRIMARY KEY (uuid, guild_uuid)
+        );
+        CREATE TABLE IF NOT EXISTS role_members (
+            role_uuid uuid NOT NULL REFERENCES roles(uuid) ON DELETE CASCADE,
+            member_uuid uuid NOT NULL REFERENCES guild_members(uuid) ON DELETE CASCADE,
+            PRIMARY KEY (role_uuid, member_uuid)
+        );
+        CREATE TABLE IF NOT EXISTS channels (
+            uuid uuid PRIMARY KEY NOT NULL,
+            guild_uuid uuid NOT NULL REFERENCES guilds(uuid) ON DELETE CASCADE,
+            name varchar(32) NOT NULL,
+            description varchar(500) NOT NULL
+        );
+        CREATE TABLE IF NOT EXISTS channel_permissions (
+            channel_uuid uuid NOT NULL REFERENCES channels(uuid) ON DELETE CASCADE,
+            role_uuid uuid NOT NULL REFERENCES roles(uuid) ON DELETE CASCADE,
+            permissions int8 NOT NULL DEFAULT 0,
+            PRIMARY KEY (channel_uuid, role_uuid)
+        );
+        CREATE TABLE IF NOT EXISTS messages (
+            uuid uuid PRIMARY KEY NOT NULL,
+            channel_uuid uuid NOT NULL REFERENCES channels(uuid) ON DELETE CASCADE,
+            user_uuid uuid NOT NULL REFERENCES users(uuid),
+            message varchar(4000) NOT NULL
+        );
+        CREATE TABLE IF NOT EXISTS invites (
+            id varchar(32) PRIMARY KEY NOT NULL,
+            guild_uuid uuid NOT NULL REFERENCES guilds(uuid) ON DELETE CASCADE,
+            user_uuid uuid NOT NULL REFERENCES users(uuid)
+        );
+    "#,
+    )
+    .execute(&pool)
+    .await?;
 
     /*
     **Stored for later possible use**

src/schema.rs

@@ -1,156 +0,0 @@
-// @generated automatically by Diesel CLI.
-
-diesel::table! {
-    access_tokens (token) {
-        #[max_length = 32]
-        token -> Varchar,
-        #[max_length = 64]
-        refresh_token -> Varchar,
-        uuid -> Uuid,
-        created_at -> Int8,
-    }
-}
-
-diesel::table! {
-    channel_permissions (channel_uuid, role_uuid) {
-        channel_uuid -> Uuid,
-        role_uuid -> Uuid,
-        permissions -> Int8,
-    }
-}
-
-diesel::table! {
-    channels (uuid) {
-        uuid -> Uuid,
-        guild_uuid -> Uuid,
-        #[max_length = 32]
-        name -> Varchar,
-        #[max_length = 500]
-        description -> Nullable<Varchar>,
-    }
-}
-
-diesel::table! {
-    guild_members (uuid) {
-        uuid -> Uuid,
-        guild_uuid -> Uuid,
-        user_uuid -> Uuid,
-        #[max_length = 100]
-        nickname -> Nullable<Varchar>,
-    }
-}
-
-diesel::table! {
-    guilds (uuid) {
-        uuid -> Uuid,
-        owner_uuid -> Uuid,
-        #[max_length = 100]
-        name -> Varchar,
-        #[max_length = 300]
-        description -> Nullable<Varchar>,
-    }
-}
-
-diesel::table! {
-    instance_permissions (uuid) {
-        uuid -> Uuid,
-        administrator -> Bool,
-    }
-}
-
-diesel::table! {
-    invites (id) {
-        #[max_length = 32]
-        id -> Varchar,
-        guild_uuid -> Uuid,
-        user_uuid -> Uuid,
-    }
-}
-
-diesel::table! {
-    messages (uuid) {
-        uuid -> Uuid,
-        channel_uuid -> Uuid,
-        user_uuid -> Uuid,
-        #[max_length = 4000]
-        message -> Varchar,
-    }
-}
-
-diesel::table! {
-    refresh_tokens (token) {
-        #[max_length = 64]
-        token -> Varchar,
-        uuid -> Uuid,
-        created_at -> Int8,
-        #[max_length = 16]
-        device_name -> Varchar,
-    }
-}
-
-diesel::table! {
-    role_members (role_uuid, member_uuid) {
-        role_uuid -> Uuid,
-        member_uuid -> Uuid,
-    }
-}
-
-diesel::table! {
-    roles (uuid, guild_uuid) {
-        uuid -> Uuid,
-        guild_uuid -> Uuid,
-        #[max_length = 50]
-        name -> Varchar,
-        color -> Int4,
-        position -> Int4,
-        permissions -> Int8,
-    }
-}
-
-diesel::table! {
-    users (uuid) {
-        uuid -> Uuid,
-        #[max_length = 32]
-        username -> Varchar,
-        #[max_length = 64]
-        display_name -> Nullable<Varchar>,
-        #[max_length = 512]
-        password -> Varchar,
-        #[max_length = 100]
-        email -> Varchar,
-        email_verified -> Bool,
-        is_deleted -> Bool,
-        deleted_at -> Nullable<Int8>,
-    }
-}
-
-diesel::joinable!(access_tokens -> refresh_tokens (refresh_token));
-diesel::joinable!(access_tokens -> users (uuid));
-diesel::joinable!(channel_permissions -> channels (channel_uuid));
-diesel::joinable!(channels -> guilds (guild_uuid));
-diesel::joinable!(guild_members -> guilds (guild_uuid));
-diesel::joinable!(guild_members -> users (user_uuid));
-diesel::joinable!(guilds -> users (owner_uuid));
-diesel::joinable!(instance_permissions -> users (uuid));
-diesel::joinable!(invites -> guilds (guild_uuid));
-diesel::joinable!(invites -> users (user_uuid));
-diesel::joinable!(messages -> channels (channel_uuid));
-diesel::joinable!(messages -> users (user_uuid));
-diesel::joinable!(refresh_tokens -> users (uuid));
-diesel::joinable!(role_members -> guild_members (member_uuid));
-diesel::joinable!(roles -> guilds (guild_uuid));
-
-diesel::allow_tables_to_appear_in_same_query!(
-    access_tokens,
-    channel_permissions,
-    channels,
-    guild_members,
-    guilds,
-    instance_permissions,
-    invites,
-    messages,
-    refresh_tokens,
-    role_members,
-    roles,
-    users,
-);

src/utils.rs

@@ -1,4 +1,5 @@
 use actix_web::{
+    HttpResponse,
     cookie::{Cookie, SameSite, time::Duration},
     http::header::HeaderMap,
 };
@@ -7,31 +8,25 @@ use hex::encode;
 use redis::RedisError;
 use serde::Serialize;
 
-use crate::{error::Error, Data};
+use crate::Data;
 
-pub fn get_auth_header(headers: &HeaderMap) -> Result<&str, Error> {
+pub fn get_auth_header(headers: &HeaderMap) -> Result<&str, HttpResponse> {
     let auth_token = headers.get(actix_web::http::header::AUTHORIZATION);
 
     if auth_token.is_none() {
-        return Err(Error::Unauthorized("No authorization header provided".to_string()));
+        return Err(HttpResponse::Unauthorized().finish());
     }
 
-    let auth_raw = auth_token.unwrap().to_str()?;
+    let auth = auth_token.unwrap().to_str();
 
-    let mut auth = auth_raw.split_whitespace();
-
-    let auth_type = auth.nth(0);
-
-    let auth_value = auth.nth(0);
-
-    if auth_type.is_none() {
-        return Err(Error::BadRequest("Authorization header is empty".to_string()));
-    } else if auth_type.is_some_and(|at| at != "Bearer") {
-        return Err(Error::BadRequest("Only token auth is supported".to_string()));
+    if let Err(error) = auth {
+        return Err(HttpResponse::Unauthorized().json(format!(r#" {{ "error": "{}" }} "#, error)));
     }
 
+    let auth_value = auth.unwrap().split_whitespace().nth(1);
+
     if auth_value.is_none() {
-        return Err(Error::BadRequest("No token provided".to_string()));
+        return Err(HttpResponse::BadRequest().finish());
     }
 
     Ok(auth_value.unwrap())
@@ -65,12 +60,12 @@ impl Data {
         key: String,
         value: impl Serialize,
         expire: u32,
-    ) -> Result<(), Error> {
+    ) -> Result<(), RedisError> {
         let mut conn = self.cache_pool.get_multiplexed_tokio_connection().await?;
 
         let key_encoded = encode(key);
 
-        let value_json = serde_json::to_string(&value)?;
+        let value_json = serde_json::to_string(&value).unwrap();
 
         redis::cmd("SET")
             .arg(&[key_encoded.clone(), value_json])
@@ -80,9 +75,7 @@ impl Data {
         redis::cmd("EXPIRE")
             .arg(&[key_encoded, expire.to_string()])
             .exec_async(&mut conn)
-            .await?;
-
-        Ok(())
+            .await
     }
 
     pub async fn get_cache_key(&self, key: String) -> Result<String, RedisError> {