feat: New database functions prepare() and exists()

feat: Create an example mod by default when initializing database
feat: Added config fields for default admin user
fix: Init database working but yet still not complete
fix: added .vscode to gitignore

.gitignore

@@ -135,6 +135,9 @@ dist
 .yarn/install-state.gz
 .pnp.*
 
+# Vscode files
+.vscode
+
 # Data
 data/*
 

config/config.json

@@ -1,6 +1,13 @@
 {
     "port": 8000,
 
+    "users": {
+        "admin": {
+            "username": "admin",
+            "password": "admin"
+        }
+    },
+    
     "database": {
         "type": "sqlite"
     }

server.js

@@ -37,7 +37,7 @@ console.debug("Port: ", port);
 
 // Database connection
 db = connectDatabase(config.database);
-db = initDatabase();
+db = initDatabase(config);
 
 // --- Routing ---
 

src/database/index.js

@@ -16,23 +16,34 @@ async function connectDatabase(config) {
     return db;
 }
 
-function getDatabase() {
-    return db;
-}
 
 // Setups the database by creating the tables and the default objects
-function initDatabase() {
+async function initDatabase(config) {
     if (db == null) {
         throw new Error("Database is not connected");
     }
     
+    // Create mods table
     db.exec("CREATE TABLE IF NOT EXISTS mods ( \
                 Name tinytext PRIMARY KEY, \
                 DisplayName tinytext, \
-                Author tinytext FOREIGN KEY,\
+                Author tinytext,\
                 Versions longtext,\
                 OtherInfos longtext \
-                )");
+                );");
+    
+    // Insert example mod
+    if (!(await db.exists("mods", "Name", "example"))) {
+        console.debug("Creating default mod");
+        db.exec(`INSERT INTO mods (Name, DisplayName, Author, Versions, OtherInfos) \
+            VALUES ('example', 'Example mod', '${config.users.admin.username}', '', '');`);
+    }
 }
 
+
+function getDatabase() {
+  return db;
+}
+
+
 module.exports = { getDatabase, connectDatabase, initDatabase };

src/database/sqlite.js

@@ -42,10 +42,25 @@ class SQLiteDatabase {
         try {
             return this.db.exec(sql);
         } catch (err) {
-            console.error("Error executing query:", err)}
+            console.error("Error executing statement:", err)}
 
     }
 
+    async prepare(sql) {
+        try {
+            return this.db.prepare(sql);
+        } catch (err) {
+            console.error("Error executing prepared statement:", err)}
+    }
+
+    async exists(table, attribute, value) {
+        try {
+            return this.db.prepare(`SELECT COUNT(*) FROM ${table} WHERE ${attribute} = ?`).get(value)['COUNT(*)'] > 0;            
+        } catch (err) {
+            console.error("Error checking item existence");
+        }
+    }
+
 }
 
 module.exports = SQLiteDatabase;