mediaplayer and queiz uncomplited

W3-AMT/W3-AMT/config/database.js

@@ -0,0 +1,42 @@
+const Sqlite3 = require('sqlite3').verbose()
+const DBFILENAME = "db.sqlite"
+const db = new Sqlite3.Database(DBFILENAME,(err)=>{
+    if(err){
+        console.log(err.message)
+         throw 'failed to connect or create DataBase'
+    }else{
+        db.run(`CREATE TABLE IF NOT EXISTS users(
+                    user_id INTEGER PRIMARY KEY,
+                    username TEXT NOT NULL UNIQUE,
+                    password TEXT
+        )`);
+        db.run(`CREATE TABLE IF NOT EXISTS question(
+                question_id INTEGER PRIMARY KEY,
+                content TEXT,
+                category TEXT,
+                d TEXT,
+                a TEXT,
+                b TEXT,
+                c TEXT,
+                right TEXT NOT NULL
+        )`);
+        db.run(`CREATE TABLE IF NOT EXISTS azmon(
+                azmon_num INTEGER PRIMARY KEY,
+                user INTEGER NOT NULL,
+                sitution INTEGER CHECK (sitution IN (0,1)),
+                precent INTEGER,
+                FOREIGN KEY (user)
+                  REFERENCES users (user_id)
+        )`);
+        db.run(`CREATE TABLE IF NOT EXISTS azmonitem(
+                id INTEGER PRIMARY KEY,
+                azmon_id INTEGER NOT NULL UNIQUE,
+                question_id INTEGER NOT NULL UNIQUE,
+                answer TEXT,
+                FOREIGN KEY (question_id)
+                  REFERENCES question (question_id)
+        )`);
+    }
+});
+
+module.exports = db;