init

app.py

@@ -0,0 +1,105 @@
+from flask import Flask, render_template, request, redirect, session, jsonify
+import sqlite3
+
+app = Flask(__name__)
+app.secret_key = "supersecretkey"
+
+DB = "database.db"
+
+# ---------------- DATABASE ----------------
+def get_db():
+    conn = sqlite3.connect(DB)
+    conn.row_factory = sqlite3.Row
+    return conn
+
+def init_db():
+    conn = get_db()
+    conn.execute('''
+        CREATE TABLE IF NOT EXISTS toner (
+            id INTEGER PRIMARY KEY AUTOINCREMENT,
+            name TEXT NOT NULL,
+            quantity INTEGER NOT NULL
+        )
+    ''')
+    conn.execute('''
+        CREATE TABLE IF NOT EXISTS users (
+            id INTEGER PRIMARY KEY AUTOINCREMENT,
+            username TEXT,
+            password TEXT
+        )
+    ''')
+    conn.commit()
+
+# ---------------- ROUTES ----------------
+
+@app.route("/")
+def index():
+    return render_template("index.html")
+
+@app.route("/api/toner")
+def get_toner():
+    conn = get_db()
+    toner = conn.execute("SELECT * FROM toner").fetchall()
+    return jsonify([dict(row) for row in toner])
+
+@app.route("/login", methods=["GET", "POST"])
+def login():
+    if request.method == "POST":
+        user = request.form["username"]
+        pw = request.form["password"]
+
+        conn = get_db()
+        result = conn.execute(
+            "SELECT * FROM users WHERE username=? AND password=?",
+            (user, pw)
+        ).fetchone()
+
+        if result:
+            session["user"] = user
+            return redirect("/admin")
+
+    return render_template("login.html")
+
+@app.route("/admin")
+def admin():
+    if "user" not in session:
+        return redirect("/login")
+    return render_template("admin.html")
+
+@app.route("/api/add", methods=["POST"])
+def add_item():
+    if "user" not in session:
+        return "Unauthorized", 401
+
+    data = request.json
+    conn = get_db()
+    conn.execute(
+        "INSERT INTO toner (name, quantity) VALUES (?, ?)",
+        (data["name"], data["quantity"])
+    )
+    conn.commit()
+    return "OK"
+
+@app.route("/api/update", methods=["POST"])
+def update_item():
+    if "user" not in session:
+        return "Unauthorized", 401
+
+    data = request.json
+    conn = get_db()
+    conn.execute(
+        "UPDATE toner SET quantity=? WHERE id=?",
+        (data["quantity"], data["id"])
+    )
+    conn.commit()
+    return "OK"
+
+@app.route("/logout")
+def logout():
+    session.clear()
+    return redirect("/")
+
+# ---------------- RUN ----------------
+if __name__ == "__main__":
+    init_db()
+    app.run(debug=True)

static/script.js

@@ -0,0 +1,50 @@
+async function loadInventory() {
+    const res = await fetch('/api/toner');
+    const data = await res.json();
+
+    const table = document.getElementById("inventory") || document.getElementById("adminInventory");
+    table.innerHTML = "";
+
+    data.forEach(item => {
+        const row = document.createElement("tr");
+
+        row.innerHTML = `
+            <td>${item.name}</td>
+            <td>
+                <input value="${item.quantity}" id="qty-${item.id}">
+            </td>
+            <td>
+                <button onclick="updateItem(${item.id})">Save</button>
+            </td>
+        `;
+
+        table.appendChild(row);
+    });
+}
+
+async function addItem() {
+    const name = document.getElementById("name").value;
+    const qty = document.getElementById("qty").value;
+
+    await fetch("/api/add", {
+        method: "POST",
+        headers: {"Content-Type": "application/json"},
+        body: JSON.stringify({name: name, quantity: qty})
+    });
+
+    loadInventory();
+}
+
+async function updateItem(id) {
+    const qty = document.getElementById(`qty-${id}`).value;
+
+    await fetch("/api/update", {
+        method: "POST",
+        headers: {"Content-Type": "application/json"},
+        body: JSON.stringify({id: id, quantity: qty})
+    });
+
+    loadInventory();
+}
+
+window.onload = loadInventory;

templates/admin.html

@@ -0,0 +1,22 @@
+<h1>Admin Panel</h1>
+
+<h3>Add Toner</h3>
+<input id="name" placeholder="Toner Name">
+<input id="qty" type="number" placeholder="Quantity">
+<button onclick="addItem()">Add</button>
+
+<h3>Update Inventory</h3>
+<table border="1">
+    <thead>
+        <tr>
+            <th>Name</th>
+            <th>Quantity</th>
+            <th>Update</th>
+        </tr>
+    </thead>
+    <tbody id="adminInventory"></tbody>
+</table>
+
+<a href="/logout">Logout</a>
+
+<script src="/static/script.js"></script>

templates/index.html

@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<html>
+<head>
+    <title>Toner Inventory</title>
+</head>
+<body>
+    <h1>Toner Inventory</h1>
+    <table border="1">
+        <thead>
+            <tr>
+                <th>Name</th>
+                <th>Quantity</th>
+            </tr>
+        </thead>
+        <tbody id="inventory"></tbody>
+    </table>
+
+    <script src="/static/script.js"></script>
+</body>
+</html>

templates/login.html

@@ -0,0 +1,6 @@
+<form method="POST">
+    <h2>Admin Login</h2>
+    <input name="username" placeholder="Username" required>
+    <input name="password" type="password" placeholder="Password" required>
+    <button type="submit">Login</button>
+</form>