Create app.py

app.py

@@ -0,0 +1,115 @@
+from flask import Flask, jsonify, request, render_template
+from datetime import datetime
+import uuid
+
+app = Flask(__name__)
+
+# In-memory task store (no DB needed — works out of the box)
+tasks = {}
+
+def make_task(title, priority="medium", due_date=None, category="general"):
+    return {
+        "id": str(uuid.uuid4())[:8],
+        "title": title,
+        "priority": priority,        # low | medium | high
+        "category": category,
+        "due_date": due_date,
+        "done": False,
+        "created_at": datetime.now().strftime("%Y-%m-%d %H:%M"),
+    }
+
+# Seed with sample tasks
+for t in [
+    make_task("Design the landing page", "high", "2026-06-25", "work"),
+    make_task("Buy groceries", "low", "2026-06-22", "personal"),
+    make_task("Review pull request #42", "high", "2026-06-23", "work"),
+    make_task("Read Clean Code book", "medium", "2026-06-30", "learning"),
+    make_task("Call the dentist", "medium", "2026-06-24", "personal"),
+]:
+    tasks[t["id"]] = t
+
+
+# ── HTML ──────────────────────────────────────────────────────────────────────
+
+@app.route("/")
+def index():
+    return render_template("index.html")
+
+
+# ── REST API ──────────────────────────────────────────────────────────────────
+
+@app.route("/api/tasks", methods=["GET"])
+def get_tasks():
+    filter_done = request.args.get("done")
+    filter_priority = request.args.get("priority")
+    filter_category = request.args.get("category")
+
+    result = list(tasks.values())
+
+    if filter_done is not None:
+        result = [t for t in result if t["done"] == (filter_done == "true")]
+    if filter_priority:
+        result = [t for t in result if t["priority"] == filter_priority]
+    if filter_category:
+        result = [t for t in result if t["category"] == filter_category]
+
+    # Sort: undone first, then by priority
+    priority_order = {"high": 0, "medium": 1, "low": 2}
+    result.sort(key=lambda t: (t["done"], priority_order.get(t["priority"], 9)))
+
+    return jsonify({"tasks": result, "total": len(result)})
+
+
+@app.route("/api/tasks", methods=["POST"])
+def create_task():
+    data = request.get_json() or {}
+    title = data.get("title", "").strip()
+    if not title:
+        return jsonify({"error": "Title is required"}), 400
+
+    task = make_task(
+        title=title,
+        priority=data.get("priority", "medium"),
+        due_date=data.get("due_date"),
+        category=data.get("category", "general"),
+    )
+    tasks[task["id"]] = task
+    return jsonify(task), 201
+
+
+@app.route("/api/tasks/<task_id>", methods=["PATCH"])
+def update_task(task_id):
+    task = tasks.get(task_id)
+    if not task:
+        return jsonify({"error": "Task not found"}), 404
+
+    data = request.get_json() or {}
+    for field in ("title", "priority", "due_date", "category", "done"):
+        if field in data:
+            task[field] = data[field]
+
+    return jsonify(task)
+
+
+@app.route("/api/tasks/<task_id>", methods=["DELETE"])
+def delete_task(task_id):
+    if task_id not in tasks:
+        return jsonify({"error": "Task not found"}), 404
+    del tasks[task_id]
+    return jsonify({"deleted": task_id})
+
+
+@app.route("/api/stats", methods=["GET"])
+def stats():
+    all_tasks = list(tasks.values())
+    return jsonify({
+        "total": len(all_tasks),
+        "done": sum(1 for t in all_tasks if t["done"]),
+        "pending": sum(1 for t in all_tasks if not t["done"]),
+        "high_priority": sum(1 for t in all_tasks if t["priority"] == "high" and not t["done"]),
+    })
+
+
+if __name__ == "__main__":
+    print("\n  TaskMaster running → http://127.0.0.1:5000\n")
+    app.run(debug=True)