Huge changes! Added some API features, but not fully.

api/helpers/chat_api.ts

@@ -0,0 +1,137 @@
+/// <reference lib="deno.ns" />
+/**
+ * @author Esad Mustafoski
+ * @description API file for Comments
+ */
+
+import * as db_utils from "../../database/utils.ts";
+import * as helper_utils from "../helpers.ts";
+import { Context } from "https://deno.land/x/oak@v17.1.2/mod.ts";
+
+// Post functions
+async function api_getPostById(ctx: any): Promise<void> {
+  try {
+    const postId = ctx.params.id;
+    if (!postId) {
+      helper_utils.errorResponse(ctx, 400, "Post ID required");
+      return;
+    }
+
+    const post = await db_utils.getPostById(postId);
+    if (!post) {
+      helper_utils.errorResponse(ctx, 404, "Post not found");
+      return;
+    }
+
+    ctx.response.body = post;
+  } catch (error) {
+    helper_utils.errorResponse(ctx, 500, "Error retrieving post");
+  }
+}
+
+async function api_createPost(ctx: Context): Promise<void> {
+  try {
+    const body = ctx.request.body;
+    const result = await body.json();
+    const { userId, postText, postType } = result;
+
+    if (!userId || !postText || !postType) {
+      helper_utils.errorResponse(
+        ctx,
+        400,
+        "User ID, post text, and post type required",
+      );
+      return;
+    }
+
+    // Create timestamp in the format expected by the database
+    const createdAt = `${Math.floor(Date.now() / 1000)}-${
+      new Date().toLocaleDateString("en-GB").split("/").join("-")
+    }`;
+
+    const postId = await db_utils.createPost(
+      userId,
+      createdAt,
+      postText,
+      postType,
+    );
+    helper_utils.sendResponse(ctx, {
+      status: 201,
+      body: { postId },
+    });
+  } catch (error) {
+    helper_utils.errorResponse(ctx, 500, "Error creating post");
+  }
+}
+
+async function api_updatePost(ctx: any): Promise<void> {
+  try {
+    const postId = ctx.params.id;
+    if (!postId) {
+      helper_utils.errorResponse(ctx, 400, "Post ID required");
+      return;
+    }
+
+    const body = ctx.request.body;
+    const result = await body.json();
+    const { postText, postType } = result;
+
+    if (!postText && !postType) {
+      helper_utils.errorResponse(ctx, 400, "No update data provided");
+      return;
+    }
+
+    await db_utils.updatePost(postId, postText, postType);
+    helper_utils.sendResponse(ctx, {
+      status: 200,
+      body: { message: "Post updated successfully" },
+    });
+  } catch (error) {
+    helper_utils.errorResponse(ctx, 500, "Error updating post");
+  }
+}
+
+async function api_deletePost(ctx: any): Promise<void> {
+  try {
+    const postId = ctx.params.id;
+    if (!postId) {
+      helper_utils.errorResponse(ctx, 400, "Post ID required");
+      return;
+    }
+
+    await db_utils.deletePost(postId);
+    helper_utils.sendResponse(ctx, {
+      status: 200,
+      body: { message: "Post deleted successfully" },
+    });
+  } catch (error) {
+    helper_utils.errorResponse(ctx, 500, "Error deleting post");
+  }
+}
+
+async function api_likePost(ctx: any): Promise<void> {
+  try {
+    const postId = ctx.params.id;
+    if (!postId) {
+      helper_utils.errorResponse(ctx, 400, "Post ID required");
+      return;
+    }
+
+    const body = ctx.request.body;
+    const result = await body.json();
+    const { userId } = result;
+
+    if (!userId) {
+      helper_utils.errorResponse(ctx, 400, "User ID required");
+      return;
+    }
+
+    await db_utils.likePost(postId, userId);
+    helper_utils.sendResponse(ctx, {
+      status: 200,
+      body: { message: "Post liked successfully" },
+    });
+  } catch (error) {
+    helper_utils.errorResponse(ctx, 500, "Error liking post");
+  }
+}

api/helpers/comments_api.ts

@@ -0,0 +1,128 @@
+/// <reference lib="deno.ns" />
+/**
+ * @author Esad Mustafoski
+ * @description API file for Comments
+ */
+
+
+import * as db_utils from "../../database/utils.ts";
+import * as helper_utils from "../helpers.ts";
+
+async function api_getPostComments(ctx: any): Promise<void> {
+  try {
+    const postId = ctx.params.id;
+    if (!postId) {
+      helper_utils.errorResponse(ctx, 400, "Post ID required");
+      return;
+    }
+    
+    const comments = await db_utils.getCommentsFromDB(Number(postId));
+    ctx.response.body = comments;
+  } catch (error) {
+    helper_utils.errorResponse(ctx, 500, "Error retrieving comments");
+  }
+}
+
+async function api_createComment(ctx: any): Promise<void> {
+  try {
+    const postId = ctx.params.id;
+    if (!postId) {
+      helper_utils.errorResponse(ctx, 400, "Post ID required");
+      return;
+    }
+    
+    const body = ctx.request.body;
+    const result = await body.json();
+    const { userId, text } = result;
+    
+    if (!userId || !text) {
+      helper_utils.errorResponse(ctx, 400, "User ID and comment text required");
+      return;
+    }
+    
+    // Create timestamp in the format expected by the database
+    const createdAt = `${Math.floor(Date.now() / 1000)}-${
+      new Date().toLocaleDateString("en-GB").split("/").join("-")
+    }`;
+    
+    const commentId = await db_utils.createComment(postId, userId, createdAt, text);
+    helper_utils.sendResponse(ctx, {
+      status: 201,
+      body: { commentId }
+    });
+  } catch (error) {
+    helper_utils.errorResponse(ctx, 500, "Error creating comment");
+  }
+}
+
+async function api_updateComment(ctx: any): Promise<void> {
+  try {
+    const commentId = ctx.params.id;
+    if (!commentId) {
+      helper_utils.errorResponse(ctx, 400, "Comment ID required");
+      return;
+    }
+    
+    const body = ctx.request.body;
+    const result = await body.json();
+    const { text } = result;
+    
+    if (!text) {
+      helper_utils.errorResponse(ctx, 400, "Comment text required");
+      return;
+    }
+    
+    await db_utils.updateComment(commentId, text);
+    helper_utils.sendResponse(ctx, {
+      status: 200,
+      body: { message: "Comment updated successfully" }
+    });
+  } catch (error) {
+    helper_utils.errorResponse(ctx, 500, "Error updating comment");
+  }
+}
+
+async function api_deleteComment(ctx: any): Promise<void> {
+  try {
+    const commentId = ctx.params.id;
+    if (!commentId) {
+      helper_utils.errorResponse(ctx, 400, "Comment ID required");
+      return;
+    }
+    
+    await db_utils.deleteComment(commentId);
+    helper_utils.sendResponse(ctx, {
+      status: 200,
+      body: { message: "Comment deleted successfully" }
+    });
+  } catch (error) {
+    helper_utils.errorResponse(ctx, 500, "Error deleting comment");
+  }
+}
+
+async function api_likeComment(ctx: any): Promise<void> {
+  try {
+    const commentId = ctx.params.id;
+    if (!commentId) {
+      helper_utils.errorResponse(ctx, 400, "Comment ID required");
+      return;
+    }
+    
+    const body = ctx.request.body;
+    const result = await body.json();
+    const { userId } = result;
+    
+    if (!userId) {
+      helper_utils.errorResponse(ctx, 400, "User ID required");
+      return;
+    }
+    
+    await db_utils.likeComment(commentId, userId);
+    helper_utils.sendResponse(ctx, {
+      status: 200,
+      body: { message: "Comment liked successfully" }
+    });
+  } catch (error) {
+    helper_utils.errorResponse(ctx, 500, "Error liking comment");
+  }
+}

api/helpers/mod.ts

@@ -0,0 +1,11 @@
+/// <reference lib="deno.ns" />
+/**
+ * @author Esad Mustafoski
+ * @description A mod file is used to export all the functions in the folder, making them easier to access.
+ * @file mod.ts
+ */
+
+export * from "./chat_api.ts";
+export * from "./comments_api.ts";
+export * from "./post_api.ts";
+export * from "./user_api.ts";

api/helpers/post_api.ts

@@ -0,0 +1,8 @@
+/// <reference lib="deno.ns" />
+/**
+ * @author Esad Mustafoski
+ * @description API file for Posts
+ */
+
+import * as db_utils from "../../database/utils.ts";
+import * as helper_utils from "../helpers.ts";

api/helpers/user_api.ts

@@ -0,0 +1,2 @@
+import * as db_utils from "../../database/utils.ts";
+import * as helper_utils from "../helpers.ts";

api/main.ts

@@ -1,7 +1,7 @@
 /// <reference lib="deno.ns" />
 /**
  * @author Esad Mustafoski
- * @ðescription Main API file, Handles all the routing/api stuff
+ * @description Main API file, Handles all the routing/api stuff
  */
 
 // +++ IMPORTS ------------------------------------------------------ //
@@ -10,11 +10,13 @@ import {
   Context,
   Next,
   Router,
-} from "https://deno.land/x/oak/mod.ts";
+} from "https://deno.land/x/oak@v17.1.2/mod.ts";
-import { oakCors } from "https://deno.land/x/cors/mod.ts";
+import { oakCors } from "https://deno.land/x/cors@v1.2.2/mod.ts";
 import * as db_utils from "../database/utils.ts";
 import * as helper_utils from "./helpers.ts";
 
+import {} from "./helpers/mod.ts";
+
 // +++ VARIABLES / TYPES --------------------------------------------- //
 const router = new Router();
 const app = new Application();
@@ -63,13 +65,36 @@ router
   .get("/api/users", api_getAllUsers)
   .get("/api/user/:id/info", api_user_getInfo);
 
+// -- Chat routes --
+router
+  .get("/api/chats", api_getChats)
+  .get("/api/chat/:id", api_getChatById)
+  .post("/api/chat/create", api_createChat)
+  .post("/api/chat/:id/message", api_sendMessage)
+  .delete("/api/chat/:id", api_deleteChat);
+
 // -- Post routes --
 router
-  .get("/api/posts", api_posts_getAll);
+  .get("/api/posts", api_posts_getAll)
+  .get("/api/post/:id", api_getPostById)
+  .post("/api/post/create", api_createPost)
+  .put("/api/post/:id", api_updatePost)
+  .delete("/api/post/:id", api_deletePost)
+  .post("/api/post/:id/like", api_likePost);
+
+// -- Comment Routes --
+router
+  .get("/api/post/:id/comments", api_getPostComments)
+  .post("/api/post/:id/comment", api_createComment)
+  .put("/api/comment/:id", api_updateComment)
+  .delete("/api/comment/:id", api_deleteComment)
+  .post("/api/comment/:id/like", api_likeComment);
 
 
 // +++ FUNCTIONS ----------------------------------------------------- //
-async function authenticator(ctx: Context, next: Next): Promise<void> {
+
+// ABANDONED FUNCTIONS
+async function _authenticator(ctx: Context, next: Next): Promise<void> {
   const authHeader = ctx.request.headers.get("Authorization");
 
   if (!authHeader) {
@@ -78,6 +103,8 @@ async function authenticator(ctx: Context, next: Next): Promise<void> {
     return;
   }
 
+  // Bearer check
+  // Bearer is often used for authentication in API's
   const match = authHeader.match(/^Bearer (.+)$/);
   if (!match) {
     ctx.response.status = 401;
@@ -96,7 +123,7 @@ async function authenticator(ctx: Context, next: Next): Promise<void> {
   }
 }
 
-async function tokenChecker(ctx: Context, next: Next): Promise<void> {
+async function _tokenChecker(ctx: Context, next: Next): Promise<void> {
   // logic below (TODO):
   /**
    * 1. check if the token is valid
@@ -107,12 +134,9 @@ async function tokenChecker(ctx: Context, next: Next): Promise<void> {
    */
 }
 
-async function api_getAllUsers(ctx: Context): Promise<void> {
-  const getUsers = await db_utils.getAllUsersFromDB();
-  ctx.response.body = getUsers;
-}
 
-// Users
+
+// API: Users
 async function api_user_getInfo(ctx: any): Promise<void> {
   const id = ctx.params.id;
 
@@ -135,15 +159,17 @@ async function api_user_getInfo(ctx: any): Promise<void> {
   }
 }
 
-// Posts
+async function api_getAllUsers(ctx: Context): Promise<void> {
+  const getUsers = await db_utils.getAllUsersFromDB();
+  ctx.response.body = getUsers;
+}
+// API: Posts
 async function api_posts_getAll(ctx: Context): Promise<void> {
   const posts = await db_utils.getPostsFromDB();
   ctx.response.body = posts;
 }
 
-// Comments (missing)
+// API: login/register
-
-// login/register
 async function api_register(ctx: Context): Promise<void> {
   try {
     const body = ctx.request.body;
@@ -157,6 +183,7 @@ async function api_register(ctx: Context): Promise<void> {
       firstname,
       surname,
     } = result;
+    // Claude 3-5 Sonnet was used for the first Date formatting
     const account_created = `${Math.floor(Date.now() / 1000)}-${
       new Date().toLocaleDateString("en-GB").split("/").join("-")
     }`;
@@ -221,7 +248,7 @@ async function api_login(ctx: Context): Promise<string> {
     // Hash the salted password 
     const hash = await helper_utils.hashPassword(saltedPassword);
 
-    // Compare with stored hash
+    // Compare the phashed password with the stored hash
     if (user.password !== hash) {
       helper_utils.errorResponse(ctx, 401, "Invalid password");
       return "Error";

database/create_db.ts

@@ -17,58 +17,77 @@ const db = new DB(dbPath);
 export function createDatabase(): void {
   db.execute(`
         CREATE TABLE IF NOT EXISTS accounts (
-            uuid INTEGER PRIMARY KEY AUTOINCREMENT,
+            user_id INTEGER PRIMARY KEY AUTOINCREMENT,
             user_group TEXT,
-            user_bio TEXT,
+            bio TEXT,
-            user_displayname TEXT,
+            displayname TEXT,
-            user_username TEXT,
+            username TEXT,
-            user_e-mail TEXT,
+            user_email TEXT,
             password TEXT,
             password_salt TEXT,
             firstname TEXT,
             surname TEXT,
             account_created TEXT,
-            followers ANY,
+            blocked_users TEXT,
-            following ANY,
+            followers TEXT,
-            contacts ANY
+            following TEXT,
-        )
+            contacts TEXT
+        );
         
         CREATE TABLE IF NOT EXISTS posts (
             posts_uuid INTEGER PRIMARY KEY AUTOINCREMENT,
             user_id INTEGER,
             created_at TEXT,
             post_text TEXT,
+            post_type TEXT,
             likes INTEGER,
             comments INTEGER
-        )
+        );
     
         CREATE TABLE IF NOT EXISTS comments (
-            commentd_id INTEGER PRIMARY KEY AUTOINCREMENT,
+            comment_id INTEGER PRIMARY KEY AUTOINCREMENT,
             post_id INTEGER,
             author_user_id INTEGER,
             date_created_at TEXT,
             text TEXT,
             likes INTEGER
         )
+
+        CREATE TABLE IF NOT EXISTS messages (
+            message_id INTEGER PRIMARY KEY AUTOINCREMENT,
+            chat_id INTEGER,
+            sender_id INTEGER,
+            content TEXT,
+            timestamp TEXT,
+            FOREIGN KEY (chat_id) REFERENCES chats (chat_id),
+            FOREIGN KEY (sender_id) REFERENCES accounts (user_id)
+        )
+
+    CREATE TABLE IF NOT EXISTS chats (
+    chat_id INTEGER PRIMARY KEY AUTOINCREMENT,
+    chat_name TEXT,
+    participants TEXT,
+    created_at TEXT
+  )
     `);
 }
 
 // Sample data generated using AI, does not work yet and will be adjusted
 export function insertSampleData(): void {
   db.query(
-    `INSERT INTO accounts (user_group, user_bio, user_displayname, user_username, user_email, password, password_salt, firstname, surname, account_created, followers, following, contacts) VALUES
+    `INSERT INTO accounts (user_group, bio, displayname, username, user_email, password, password_salt, firstname, surname, account_created, blocked_users, followers, following, contacts) VALUES
-        ('admin', 'Admin bio', 'Admin User', 'admin', 'admin@example.com', 'hashedpass1', 'salt1', 'Admin', 'User', '2024-01-01', '[]', '[]', '[]', '[]'),
+        ('admin', 'Admin bio', 'Admin User', 'admin', 'admin@example.com', 'pw1', 'salt1', 'Admin', 'User', '2024-01-01', '[]', '[]', '[]', '[]'),
-        ('user', 'I love coding!', 'John Dev', 'johndev', 'john@example.com', 'hashedpass2', 'salt2', 'John', 'Smith', '2024-01-02', '[]', '[3,4]', '[1,2]', '[]'),
+        ('user', 'I love coding!', 'John Dev', 'johndev', 'john@example.com', 'pw2', 'salt2', 'John', 'Smith', '2024-01-02', '[]', '[]', '[3,4]', '[1,2]'),
-        ('user', 'Photography enthusiast', 'Alice', 'alice_photo', 'alice@example.com', 'hashedpass3', 'salt3', 'Alice', 'Johnson', '2024-01-03', '[5]', '[1]', '[2]', '[]')
+        ('user', 'Photography enthusiast', 'Alice', 'alice_photo', 'alice@example.com', 'pw3', 'salt3', 'Alice', 'Johnson', '2024-01-03', '[]', '[5]', '[1]', '[2]')
     `,
   );
 
   db.query(
-    `INSERT INTO posts (user_id, created_at, post_text, likes, comments) VALUES
+    `INSERT INTO posts (user_id, created_at, post_text, post_type, likes, comments) VALUES
-        (1, '2024-01-15 10:00:00', 'First post about programming!', 5, 2),
+        (1, '2024-01-15 10:00:00', 'First post about programming!', 'text', 5, 2),
-        (1, '2024-01-15 11:30:00', 'Check out this new feature', 10, 3),
+        (1, '2024-01-15 11:30:00', 'Check out this new feature', 'text', 10, 3),
-        (2, '2024-01-16 09:15:00', 'Just learned about TypeScript', 8, 1),
+        (2, '2024-01-16 09:15:00', 'Just learned about TypeScript', 'text', 8, 1),
-        (3, '2024-01-16 14:20:00', 'Posted my new photo collection', 15, 4)
+        (3, '2024-01-16 14:20:00', 'Posted my new photo collection', 'image', 15, 4)
     `,
   );
 

database/helpers/interfaces.ts

@@ -0,0 +1,61 @@
+/// <reference lib="deno.ns" />
+
+/**
+ * @author Esad Mustafoski
+ * @description This file is responsible for making Interfaces accessible by every file, deduplicating it.
+ * @file interfaces.ts
+ */
+
+interface Post {
+  posts_uuid: number;
+  user_id: number;
+  created_at: string;
+  post_text: string;
+  post_type: string;
+  likes: number;
+  comments: number;
+}
+
+interface Accounts {
+  user_id: number;
+  user_group: string;
+  bio: string;
+  displayname: string;
+  username: string;
+  user_email: string;
+  password: string;
+  password_salt: string;
+  firstname: string;
+  surname: string;
+  account_created: string;
+  blocked_users: string;
+  followers: string;
+  following: string;
+  contacts: string;
+}
+
+interface Comments {
+  comment_id: number;
+  post_id: number;
+  author_user_id: number;
+  date_created_at: string;
+  text: string;
+  likes: number;
+}
+
+interface Chat {
+  chat_id: number;
+  chat_name: string;
+  participants: string;
+  created_at: string;
+}
+
+interface Message {
+  message_id: number;
+  chat_id: number;
+  sender_id: number;
+  content: string;
+  timestamp: string;
+}
+
+export type { Accounts, Chat, Comments, Message, Post };

database/helpers/maphelper.ts

@@ -0,0 +1,122 @@
+/// <reference lib="deno.ns" />
+/**
+ * @author Esad Mustafoski
+ * @description This file makes accessing the Database easier by creating a map for each type of data
+ * @file maphelper.ts
+ */
+
+// +++ IMPORTS ------------------------------------------------------ //
+import { Row } from "https://deno.land/x/sqlite@v3.9.1/mod.ts";
+import {
+  Accounts,
+  Chat,
+  Comments,
+  Message,
+  Post,
+} from "../helpers/interfaces.ts";
+
+function mapPostRow(row: Row): Post {
+  const [
+    posts_uuid,
+    user_id,
+    created_at,
+    post_text,
+    post_type,
+    likes,
+    comments,
+  ] = row;
+  return {
+    posts_uuid: Number(posts_uuid),
+    user_id: Number(user_id),
+    created_at: String(created_at),
+    post_text: String(post_text),
+    post_type: String(post_type),
+    likes: Number(likes),
+    comments: Number(comments),
+  };
+}
+
+function mapCommentRow(row: Row): Comments {
+  const [
+    comment_id,
+    post_id,
+    author_user_id,
+    date_created_at,
+    text,
+    likes,
+  ] = row;
+  return {
+    comment_id: Number(comment_id),
+    post_id: Number(post_id),
+    author_user_id: Number(author_user_id),
+    date_created_at: String(date_created_at),
+    text: String(text),
+    likes: Number(likes),
+  };
+}
+
+function mapChatRow(row: Row): Chat {
+  const [chat_id, chat_name, participants, created_at] = row;
+  return {
+    chat_id: Number(chat_id),
+    chat_name: String(chat_name),
+    participants: String(participants),
+    created_at: String(created_at),
+  };
+}
+
+function mapMessageRow(row: Row): Message {
+  const [message_id, chat_id, sender_id, content, timestamp] = row;
+  return {
+    message_id: Number(message_id),
+    chat_id: Number(chat_id),
+    sender_id: Number(sender_id),
+    content: String(content),
+    timestamp: String(timestamp),
+  };
+}
+
+function mapAccountRow(row: Row): Accounts {
+  const [
+    user_id,
+    user_group,
+    bio,
+    displayname,
+    username,
+    user_email,
+    password,
+    password_salt,
+    firstname,
+    surname,
+    account_created,
+    blocked_users,
+    followers,
+    following,
+    contacts,
+  ] = row;
+  return {
+    user_id: Number(user_id),
+    user_group: String(user_group),
+    bio: String(bio),
+    displayname: String(displayname),
+    username: String(username),
+    user_email: String(user_email),
+    password: String(password),
+    password_salt: String(password_salt),
+    firstname: String(firstname),
+    surname: String(surname),
+    account_created: String(account_created),
+    blocked_users: String(blocked_users),
+    followers: String(followers),
+    following: String(following),
+    contacts: String(contacts),
+  };
+}
+
+export {
+    mapAccountRow,
+    mapChatRow,
+    mapCommentRow,
+    mapMessageRow,
+    mapPostRow
+};

database/helpers/utils/chat_utils.ts

@@ -0,0 +1,86 @@
+/// <reference lib="deno.ns" />
+
+/**
+ * @author Esad Mustafoski
+ * @description This file is responsible for creating Functions to easily access the Database, Specifically for Chats
+ * @file chatUtil.ts
+ */
+
+// +++ IMPORTS ------------------------------------------------------ //
+import { DB } from "https://deno.land/x/sqlite@v3.9.1/mod.ts";
+import { Chat, Message } from "../interfaces.ts";
+import { mapChatRow, mapMessageRow, queryDatabase } from "./mod.ts";
+
+async function getUserChats(db: DB, userId: string): Promise<Chat[]> {
+  const query = `SELECT * FROM chats WHERE participants LIKE '%${userId}%'`;
+  return await queryDatabase<Chat>(db, query, [], mapChatRow);
+}
+
+async function getChatById(db: DB, chatId: string): Promise<Chat | null> {
+  const query = `SELECT * FROM chats WHERE chat_id = ?`;
+  const chats = await queryDatabase<Chat>(db, query, [chatId], mapChatRow);
+  return chats.length > 0 ? chats[0] : null;
+}
+
+async function getChatMessages(db: DB, chatId: string): Promise<Message[]> {
+  const query =
+    `SELECT * FROM messages WHERE chat_id = ? ORDER BY timestamp ASC`;
+  return await queryDatabase<Message>(db, query, [chatId], mapMessageRow);
+}
+
+async function createChat(
+  db: DB,
+  participants: string[],
+  chatName: string,
+): Promise<string> {
+  const participantsJson = JSON.stringify(participants);
+  const timestamp = `${Math.floor(Date.now() / 1000)}-${
+    new Date().toLocaleDateString("en-GB").split("/").join("-")
+  }`;
+
+  const query = `
+    INSERT INTO chats (chat_name, participants, created_at)
+    VALUES (?, ?, ?)
+  `;
+
+  db.query(query, [chatName, participantsJson, timestamp]);
+  return db.lastInsertRowId.toString();
+}
+
+async function addMessageToChat(
+  db: DB,
+  chatId: string,
+  senderId: string,
+  content: string,
+): Promise<string> {
+  const timestamp = `${Math.floor(Date.now() / 1000)}-${
+    new Date().toLocaleDateString("en-GB").split("/").join("-")
+  }`;
+
+  const query = `
+    INSERT INTO messages (chat_id, sender_id, content, timestamp)
+    VALUES (?, ?, ?, ?)
+  `;
+
+  db.query(query, [chatId, senderId, content, timestamp]);
+  return db.lastInsertRowId.toString();
+}
+
+async function deleteChat(db: DB, chatId: string): Promise<void> {
+  // First delete all messages in the chat
+  const deleteMessagesQuery = `DELETE FROM messages WHERE chat_id = ?`;
+  db.query(deleteMessagesQuery, [chatId]);
+
+  // Then delete the chat itself
+  const deleteChatQuery = `DELETE FROM chats WHERE chat_id = ?`;
+  db.query(deleteChatQuery, [chatId]);
+}
+
+export {
+  getUserChats,
+  getChatById,
+  getChatMessages,
+  createChat,
+  addMessageToChat,
+  deleteChat
+};

database/helpers/utils/comment_utils.ts

@@ -0,0 +1,62 @@
+/// <reference lib="deno.ns" />
+
+/**
+ * @author Esad Mustafoski
+ * @description This file is responsible for creating Functions to easily access the Database, Specifically for Comments
+ * @file commentUtil.ts
+ */
+
+import { DB } from "https://deno.land/x/sqlite@v3.9.1/mod.ts";
+import { Comments } from "../interfaces.ts";
+import { mapCommentRow, queryDatabase } from "./mod.ts";
+
+async function getCommentsFromDB(db: DB, post_id?: number): Promise<Comments[]> {
+  const query = post_id
+    ? `SELECT * FROM comments WHERE post_id = ?`
+    : `SELECT * FROM comments`;
+  const params = post_id ? [post_id] : [];
+  return await queryDatabase<Comments>(db, query, params, mapCommentRow);
+}
+
+async function createComment(db: DB, postId: string, userId: string, createdAt: string, text: string): Promise<string> {
+  const query = `
+    INSERT INTO comments (post_id, author_user_id, date_created_at, text, likes)
+    VALUES (?, ?, ?, ?, 0)
+  `;
+  db.query(query, [postId, userId, createdAt, text]);
+  
+  const updatePostQuery = `UPDATE posts SET comments = comments + 1 WHERE posts_uuid = ?`;
+  db.query(updatePostQuery, [postId]);
+  
+  return db.lastInsertRowId.toString();
+}
+
+async function updateComment(db: DB, commentId: string, text: string): Promise<void> {
+  const query = `UPDATE comments SET text = ? WHERE comment_id = ?`;
+  db.query(query, [text, commentId]);
+}
+
+async function deleteComment(db: DB, commentId: string): Promise<void> {
+  const getPostIdQuery = `SELECT post_id FROM comments WHERE comment_id = ?`;
+  const result = db.query(getPostIdQuery, [commentId]);
+  const postId: any = result[0][0];
+  
+  const deleteCommentQuery = `DELETE FROM comments WHERE comment_id = ?`;
+  db.query(deleteCommentQuery, [commentId]);
+  
+  const updatePostQuery = `UPDATE posts SET comments = comments - 1 WHERE posts_uuid = ?`;
+  db.query(updatePostQuery, [postId]);
+}
+
+async function likeComment(db: DB, commentId: string, userId: string): Promise<void> {
+  const query = `UPDATE comments SET likes = likes + 1 WHERE comment_id = ?`;
+  db.query(query, [commentId]);
+}
+
+export {
+  createComment,
+  updateComment,
+  deleteComment,
+  likeComment,
+  getCommentsFromDB,
+}

database/helpers/utils/core_utils.ts

@@ -0,0 +1,45 @@
+/// <reference lib="deno.ns" />
+/**
+ * @author Esad Mustafoski
+ * @description Core Utility for querying the Database and inserting Sample Data
+ * @file core_utils.ts
+ */
+
+import { DB, Row } from "https://deno.land/x/sqlite@v3.9.1/mod.ts";
+import * as db_create from "../../create_db.ts";
+
+// +++ Helper ------------------------------------------------------ //
+// "T" is a generic type, it can be anything and makes the function "flexible"(?)
+async function queryDatabase<T>(
+  db: DB,
+  query: string,
+  params: any[],
+  mapRow: (row: Row) => T,
+): Promise<T[]> {
+  const results: T[] = [];
+  try {
+    const rows = await db.query(query, params);
+    for (const row of rows) {
+      results.push(mapRow(row));
+    }
+  } catch (error) {
+    console.error("Database query error:", error);
+  }
+  return results;
+}
+
+// +++ FUNCTIONS --------------------------------------------------- //
+
+/**
+ * See:
+ * @file ./create_db.ts
+ */
+function insertSamples(): void {
+  db_create.insertSampleData();
+}
+
+function createDatabaseIfNotExist(): void {
+  db_create.createDatabase();
+}
+
+export { queryDatabase, insertSamples, createDatabaseIfNotExist };

database/helpers/utils/mod.ts

@@ -0,0 +1,13 @@
+/// <reference lib="deno.ns" />
+/**
+ * @author Esad Mustafoski
+ * @description A mod file is used to export all the functions in the folder, making them easier to access.
+ * @file mod.ts
+ */
+
+export * from "./chat_utils.ts";
+export * from "./comment_utils.ts";
+export * from "./post_utils.ts";
+export * from "./user_utils.ts";
+export * from "./core_utils.ts"
+export * from "../maphelper.ts";

database/helpers/utils/post_utils.ts

@@ -0,0 +1,118 @@
+/// <reference lib="deno.ns" />
+
+/**
+ * @author Esad Mustafoski
+ * @description This file is responsible for creating Functions to easily access the Database, Specifically for Posts
+ * @file postUtil.ts
+ */
+
+
+// +++ IMPORTS ------------------------------------------------------ //
+import { DB } from "https://deno.land/x/sqlite@v3.9.1/mod.ts";
+import { Post } from "../interfaces.ts";
+import { mapPostRow, queryDatabase } from "./mod.ts";
+
+async function getPostsFromDB(db: DB, user_uuid?: string): Promise<Post[]> {
+  const query = user_uuid
+    ? `SELECT * FROM posts WHERE user_id = ?`
+    : `SELECT * FROM posts`;
+  const params = user_uuid ? [user_uuid] : [];
+  return await queryDatabase<Post>(db, query, params, mapPostRow);
+}
+
+async function getPostById(db: DB,  postId: string): Promise<Post | null> {
+  const query = `SELECT * FROM posts WHERE posts_uuid = ?`;
+  const posts = await queryDatabase<Post>(db, query, [postId], mapPostRow);
+  return posts.length > 0 ? posts[0] : null;
+}
+
+async function createPost(db: DB,  userId: string, createdAt: string, postText: string, postType: string): Promise<string> {
+  const query = `
+    INSERT INTO posts (user_id, created_at, post_text, post_type, likes, comments)
+    VALUES (?, ?, ?, ?, 0, 0)
+  `;
+  
+  db.query(query, [userId, createdAt, postText, postType]);
+  return db.lastInsertRowId.toString();
+}
+
+async function updatePost(db: DB, postId: string, postText?: string, postType?: string): Promise<void> {
+  let query = `UPDATE posts SET `;
+  const params: any[] = [];
+  
+  if (postText) {
+    query += `post_text = ?`;
+    params.push(postText);
+    
+    if (postType) {
+      query += `, post_type = ?`;
+      params.push(postType);
+    }
+  } else if (postType) {
+    query += `post_type = ?`;
+    params.push(postType);
+  }
+  
+  query += ` WHERE posts_uuid = ?`;
+  params.push(postId);
+  
+  db.query(query, params);
+}
+
+async function deletePost(db: DB, postId: string): Promise<void> {
+  // First delete all comments on the post
+  const deleteCommentsQuery = `DELETE FROM comments WHERE post_id = ?`;
+  db.query(deleteCommentsQuery, [postId]);
+  
+  // Then delete the post itself
+  const deletePostQuery = `DELETE FROM posts WHERE posts_uuid = ?`;
+  db.query(deletePostQuery, [postId]);
+}
+
+async function likePost(db: DB, postId: string, userId: string): Promise<void> {
+  // In a real application, you would check if the user has already liked the post
+  // and store like relationships in a separate table. This is a simplified version.
+  const query = `UPDATE posts SET likes = likes + 1 WHERE posts_uuid = ?`;
+  db.query(query, [postId]);
+}
+
+/**
+ * @param posts_to_filter The Posts in an array to filter
+ * @param post_types The types of Posts to filter for
+ * @returns Array of Posts
+ */
+// Filter functions merged to one
+function filterPosts(posts_to_filter: Post[], post_types: string[]): Post[] {
+  if (post_types.length === 0) {
+    return posts_to_filter;
+  }
+
+  // Set is a type that we can specify the values to
+  // example: const set = new Set<number>();
+  // set.add(1); Will work
+  // set.add("2"); Will not work, it will error because
+  // it is a string.
+  const includedPostIds = new Set<number>();
+  const result: Post[] = [];
+
+  for (const type of post_types) {
+    for (const post of posts_to_filter) {
+      if (!includedPostIds.has(post.posts_uuid) && post.post_type === type) {
+        result.push(post);
+        includedPostIds.add(post.posts_uuid);
+      }
+    }
+  }
+
+  return result;
+}
+
+export {
+  getPostsFromDB,
+  getPostById,
+  createPost,
+  updatePost,
+  deletePost,
+  likePost,
+  filterPosts,
+};

database/helpers/utils/user_utils.ts

@@ -0,0 +1,95 @@
+/// <reference lib="deno.ns" />
+
+/**
+ * @author Esad Mustafoski
+ * @description This file is responsible for creating Functions to easily access the Database, Specifically for Users
+ * @file userUtil.ts
+ */
+
+// +++ IMPORTS ------------------------------------------------------ //
+import { DB } from "https://deno.land/x/sqlite@v3.9.1/mod.ts";
+import { queryDatabase, mapAccountRow } from "./mod.ts";
+import { Accounts } from "../interfaces.ts";
+
+/**
+ * @param user The username of the User to add
+ * @param password The hashed password of the User to add
+ * @param salt The salt used for the password
+ * @returns "noUser" if user exists, "newUser" if registration successful
+ */
+function registerUser(
+  db: DB,
+  user: string,
+  password: string,
+  salt: string,
+  userGroup: string,
+  displayname: string,
+  user_email: string,
+  firstname: string,
+  surname: string,
+  account_created: string,
+): string {
+  const query_user_exists =
+    `SELECT * FROM accounts WHERE user_username = '${user}'`;
+  if (!query_user_exists) {
+    return "noUser";
+  }
+
+  const query_add_user = `
+        INSERT INTO accounts (
+            username,
+            password,
+            password_salt,
+            user_group,
+            displayname,
+            user_email,
+            firstname,
+            surname,
+            account_created,
+            bio,
+            blocked_users,
+            followers,
+            following,
+            contacts
+        ) VALUES (
+            '${user}',
+            '${password}',
+            '${salt}',
+            '${userGroup}',
+            '${displayname}',
+            '${user_email}',
+            '${firstname}',
+            '${surname}',
+            '${account_created}',
+            '',
+            '[]',
+            '[]',
+            '[]',
+            '[]'
+        )`;
+  db.query(query_add_user);
+  console.log(`New user: ${user}`);
+
+  return "newUser";
+}
+
+/**
+ * @returns Array of all Users in the Database
+ */
+async function getAllUsersFromDB(db: DB): Promise<Accounts[]> {
+  const query = `SELECT * FROM accounts`;
+  return await queryDatabase<Accounts>(db, query, [], mapAccountRow);
+}
+
+/**
+ * @param username
+ * @returns Returns the Accounts for the User with the given username
+ */
+async function getUserByUsername(db: DB, username: string): Promise<Accounts> {
+  const query = `SELECT * FROM accounts WHERE username = '${username}'`;
+  const params: string[] = [];
+  const result = await queryDatabase<Accounts>(db, query, params, mapAccountRow);
+  return result[0];
+}
+
+export { registerUser, getAllUsersFromDB, getUserByUsername };

database/utils.ts

@@ -2,14 +2,53 @@
  * @author Esad Mustafoski
  * @description This file is responsible for creating Functions to easily access the Database, Intended for use in the API
  */
-
 /// <reference lib="deno.ns" />
-
 // +++ IMPORTS ------------------------------------------------------ //
-import { DB, Row } from "https://deno.land/x/sqlite/mod.ts";
+import { DB } from "https://deno.land/x/sqlite@v3.9.1/mod.ts";
-import { dirname, fromFileUrl, join } from "https://deno.land/std/path/mod.ts";
+import {
+  dirname,
+  fromFileUrl,
+  join,
+} from "https://deno.land/std@0.224.0/path/mod.ts";
 import * as db_create from "./create_db.ts";
 
+// Import all internal utilities with renamed imports to avoid naming conflicts
+import {
+  // --- Account Functions ---
+  getAllUsersFromDB as getAllUsersFromDBInternal,
+  getUserByUsername as getUserByUsernameInternal,
+  // getAllUserInfoByID as getAllUserInfoByIDInternal,
+  registerUser as registerUserInternal,
+  
+  // --- Post Functions ---
+  getPostsFromDB as getPostsFromDBInternal,
+  getPostById as getPostByIdInternal,
+  createPost as createPostInternal,
+  updatePost as updatePostInternal,
+  deletePost as deletePostInternal,
+  likePost as likePostInternal,
+  filterPosts,
+  
+  // --- Comment Functions ---
+  getCommentsFromDB as getCommentsFromDBInternal,
+  // getCommentsForComments as getCommentsForCommentsInternal,
+  createComment as createCommentInternal,
+  updateComment as updateCommentInternal,
+  deleteComment as deleteCommentInternal,
+  likeComment as likeCommentInternal,
+  
+  // --- Chat Functions ---
+  getUserChats as getUserChatsInternal,
+  getChatById as getChatByIdInternal,
+  getChatMessages as getChatMessagesInternal,
+  createChat as createChatInternal,
+  addMessageToChat as addMessageToChatInternal,
+  deleteChat as deleteChatInternal,
+  
+  // --- Mapper Functions ---
+  queryDatabase as queryDatabaseInternal,
+} from "./helpers/utils/mod.ts";
+
 // +++ VARIABLES ---------------------------------------------------- //
 // _dirname Is never getting used again, It's only needed because the DB Import
 // from SQLite doesn't like relative paths, so I use this as
@@ -19,235 +58,37 @@ const dbPath: string = join(_dirname, "../database/esp-projekt.sqlite");
 const db = new DB(dbPath);
 
 // +++ INTERFACES --------------------------------------------------- //
-// Used in the Functions to define the return type/Avoid type errors
+// Only re-export interfaces that are needed by external code
-interface Post {
+export type {
-  posts_uuid: number;
+  Post,
-  user_id: number;
+  Accounts,
-  created_at: string;
+  Comments,
-  post_text: string;
+  Chat,
-  likes: number;
+  Message,
-  comments: number;
+} from "./helpers/interfaces.ts";
-}
+// +++ HELPER FUNCTIONS --------------------------------------------- //
-
+export function queryDatabase<T>(
-interface Accounts {
-  user_id: number;
-  user_group: string;
-  bio: string;
-  displayname: string;
-  username: string;
-  user_email: string;
-  password: string;
-  password_salt: string;
-  firstname: string;
-  surname: string;
-  account_created: string;
-  blocked_users: string;
-  followers: string;
-  following: string;
-  contacts: string;
-}
-
-interface Comments {
-  comment_id: number;
-  post_id: number;
-  author_user_id: number;
-  date_created_at: string;
-  text: string;
-  likes: number;
-}
-
-// +++ Helper ------------------------------------------------------ //
-function mapPostRow(row: Row): Post {
-  const [posts_uuid, user_id, created_at, post_text, likes, comments] = row;
-  return {
-    posts_uuid: Number(posts_uuid),
-    user_id: Number(user_id),
-    created_at: String(created_at),
-    post_text: String(post_text),
-    likes: Number(likes),
-    comments: Number(comments),
-  };
-}
-
-function mapAccountRow(row: Row): Accounts {
-  const [
-    user_id,
-    user_group,
-    bio,
-    displayname,
-    username,
-    user_email,
-    password,
-    password_salt,
-    firstname,
-    surname,
-    account_created,
-    blocked_users,
-    followers,
-    following,
-    contacts,
-  ] = row;
-  return {
-    user_id: Number(user_id),
-    user_group: String(user_group),
-    bio: String(bio),
-    displayname: String(displayname),
-    username: String(username),
-    user_email: String(user_email),
-    password: String(password),
-    password_salt: String(password_salt),
-    firstname: String(firstname),
-    surname: String(surname),
-    account_created: String(account_created),
-    blocked_users: String(blocked_users),
-    followers: String(followers),
-    following: String(following),
-    contacts: String(contacts),
-  };
-}
-
-function mapCommentRow(row: Row): Comments {
-  const [
-    comment_id,
-    post_id,
-    author_user_id,
-    date_created_at,
-    text,
-    likes,
-  ] = row;
-  return {
-    comment_id: Number(comment_id),
-    post_id: Number(post_id),
-    author_user_id: Number(author_user_id),
-    date_created_at: String(date_created_at),
-    text: String(text),
-    likes: Number(likes),
-  };
-}
-
-// "T" is a generic type, it can be anything and makes the function "flexible"(?)
-async function queryDatabase<T>(
   query: string,
   params: any[],
-  mapRow: (row: Row) => T,
+  mapRow: (row: any) => T,
 ): Promise<T[]> {
-  const results: T[] = [];
+  return queryDatabaseInternal(db, query, params, mapRow);
-  try {
-    const rows = await db.query(query, params);
-    for (const row of rows) {
-      results.push(mapRow(row));
-    }
-  } catch (error) {
-    console.error("Database query error:", error);
-  }
-  return results;
 }
 
-// +++ FUNCTIONS --------------------------------------------------- //
+// +++ DATABASE INITIALIZATION -------------------------------------- //
-
+export function createDatabaseIfNotExist(): void {
-/**
- * See:
- * @file ./create_db.ts
- */
-function insertSamples(): void {
-  db_create.insertSampleData();
-}
-
-function createDatabaseIfNotExist(): void {
   db_create.createDatabase();
 }
 
-/**
+export function insertSamples(): void {
- * @param user_uuid The UUID of the User to get the Posts for. Not required
+  db_create.insertSampleData();
- * @description If no user_uuid is provided, all Posts will be returned
- * @description If a user_uuid is provided, only the Posts from that User will be returned
- * @returns Array of all Posts in the Database
- */
-async function getPostsFromDB(user_uuid?: string): Promise<Post[]> {
-  const query = user_uuid
-    ? `SELECT * FROM posts WHERE user_id = ?`
-    : `SELECT * FROM posts`;
-  const params = user_uuid ? [user_uuid] : [];
-  return await queryDatabase<Post>(query, params, mapPostRow);
 }
 
-/**
+// +++ ACCOUNT FUNCTIONS -------------------------------------------- //
- * @returns Array of all Users in the Database
+export const getAllUsersFromDB = () => getAllUsersFromDBInternal(db);
- */
+export const getUserByUsername = (username: string) => getUserByUsernameInternal(db, username);
-async function getAllUsersFromDB(): Promise<Accounts[]> {
+// export const getAllUserInfoByID = (user_id: string) => getAllUserInfoByIDInternal(db, user_id);
-  const query = `SELECT * FROM accounts`;
+export const registerUser = (
-  return await queryDatabase<Accounts>(query, [], mapAccountRow);
-}
-
-/**
- * @param username
- * @returns Returns the Accounts for the User with the given username
- */
-async function getUserByUsername(username: string): Promise<Accounts> {
-  const query = `SELECT * FROM accounts WHERE user_username = '${username}'`;
-  const params: string[] = [];
-  const result = await queryDatabase<Accounts>(query, params, mapAccountRow);
-  return result[0];
-}
-
-/**
- * @param post_id The ID of the Post to get the Comments for. Not required
- * @description If no post_id is provided, all Comments will be returned
- * @description If a post_id is provided, only the Comments for that Post will be returned
- * @returns Array of Comments for the Post, or an empty Array if there are no Comments
- */
-async function getCommentsFromDB(post_id?: number): Promise<Comments[]> {
-  const query = post_id
-    ? `SELECT * FROM comments WHERE post_id = ?`
-    : `SELECT * FROM comments`;
-  const params = post_id ? [post_id] : [];
-  return await queryDatabase<Comments>(query, params, mapCommentRow);
-}
-
-/**
- * @param comment_id The ID of the Comment to get the Comments for
- * @returns Array of Comments for the Comment, or an empty Array if there are no Comments
- */
-function getCommentsForComments(comment_id: number) {
-  // Will be rewritten to use the queryDatabase function
-}
-
-/**
- * @param user_id The ID of the User to get
- * @returns All of an users Data from the Database
- * Included: Comments, Posts... Everything including the specific user_uuid in the database
- * Might be required for Administrating the User
- */
-async function getAllUserInfoByID(user_id: string) {
-  // Will be rewritten to use the queryDatabase function
-}
-
-/**
- * @param user_id The ID of the User to get the Posts for
- * @returns Array of Posts from the User, or an empty Array if the User doesn't exist or has no Posts
- */
-// Filter Functions, Not yet implemented
-function filterForImagePosts(posts_to_filter: Array<any>) {
-  return [];
-}
-
-function filterForVideoPosts(posts_to_filter: Array<any>) {
-  return [];
-}
-
-function filterForTextPosts(posts_to_filter: Array<any>) {
-  return [];
-}
-
-// Register/Login/User
-
-/**
- * @param user The username of the User to add
- * @param password The hashed password of the User to add
- * @param salt The salt used for the password
- * @returns "noUser" if user exists, "newUser" if registration successful
- */
-function registerUser(
   user: string,
   password: string,
   salt: string,
@@ -257,50 +98,63 @@ function registerUser(
   firstname: string,
   surname: string,
   account_created: string,
-): string {
+) => registerUserInternal(
-  const query_user_exists =
+  db,
-    `SELECT * FROM accounts WHERE user_username = '${user}'`;
+  user,
-  if (!query_user_exists) {
+  password,
-    return "noUser";
+  salt,
-  }
+  userGroup,
+  displayname,
+  user_email,
+  firstname,
+  surname,
+  account_created,
+);
 
-  const query_add_user = `
+// +++ POST FUNCTIONS ----------------------------------------------- //
-        INSERT INTO accounts (
+export const getPostsFromDB = (user_uuid?: string) => getPostsFromDBInternal(db, user_uuid);
-            user_username, 
+export const getPostById = (postId: string) => getPostByIdInternal(db, postId);
-            password, 
+export const createPost = (
-            password_salt,
+  userId: string,
-            user_group, 
+  createdAt: string,
-            user_displayname, 
+  postText: string,
-            user_email, 
+  postType: string,
-            firstname, 
+) => createPostInternal(db, userId, createdAt, postText, postType);
-            surname, 
+export const updatePost = (
-            account_created
+  postId: string,
-        ) VALUES (
+  postText?: string,
-            '${user}', 
+  postType?: string,
-            '${password}', 
+) => updatePostInternal(db, postId, postText, postType);
-            '${salt}',
+export const deletePost = (postId: string) => deletePostInternal(db, postId);
-            '${userGroup}', 
+export const likePost = (postId: string, userId: string) => likePostInternal(db, postId, userId);
-            '${displayname}', 
-            '${user_email}', 
-            '${firstname}', 
-            '${surname}', 
-            '${account_created}'
-        )`;
-  db.query(query_add_user);
-  console.log(`New user: ${user}`);
 
-  return "newUser";
+// +++ COMMENT FUNCTIONS -------------------------------------------- //
-}
+export const getCommentsFromDB = (post_id?: number) => getCommentsFromDBInternal(db, post_id);
+// export const getCommentsForComments = (comment_id: number) => getCommentsForCommentsInternal(db, comment_id);
+export const createComment = (
+  postId: string,
+  userId: string,
+  createdAt: string,
+  text: string,
+) => createCommentInternal(db, postId, userId, createdAt, text);
+export const updateComment = (commentId: string, text: string) => updateCommentInternal(db, commentId, text);
+export const deleteComment = (commentId: string) => deleteCommentInternal(db, commentId);
+export const likeComment = (commentId: string, userId: string) => likeCommentInternal(db, commentId, userId);
 
-// Exporting all functions as this is a module
+// +++ CHAT FUNCTIONS ----------------------------------------------- //
-export {
+export const getUserChats = (userId: string) => getUserChatsInternal(db, userId);
-  createDatabaseIfNotExist,
+export const getChatById = (chatId: string) => getChatByIdInternal(db, chatId);
-  getAllUserInfoByID,
+export const getChatMessages = (chatId: string) => getChatMessagesInternal(db, chatId);
-  getAllUsersFromDB,
+export const createChat = (
-  getCommentsForComments,
+  participants: string[],
-  getCommentsFromDB,
+  chatName: string,
-  getPostsFromDB,
+) => createChatInternal(db, participants, chatName);
-  getUserByUsername,
+export const addMessageToChat = (
-  insertSamples,
+  chatId: string,
-  registerUser,
+  senderId: string,
-};
+  content: string,
+) => addMessageToChatInternal(db, chatId, senderId, content);
+export const deleteChat = (chatId: string) => deleteChatInternal(db, chatId);
+
+// +++ UTILITY FUNCTIONS -------------------------------------------- //
+export { filterPosts };

tests/db.test.ts

@@ -13,7 +13,7 @@ import {
   assertMatch,
 } from "https://deno.land/std/assert/mod.ts";
 
-import * as db_utils from "../database/utils.ts";
+import * as db_utils from "../database/db_utils.ts";
 
 // +++ TESTS ------------------------------------------------------- //
 // Database Tests