Building Project Files

fruit_api.py

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+# fruit_api.py
+from flask import Flask, jsonify, request
+from datetime import datetime
+
+app = Flask(__name__)
+
+# In-memory database
+fruits = [
+    {"id": 1, "name": "Apple", "color": "Red", "price": 1.50, "quantity": 100, "category": "Tropical"},
+    {"id": 2, "name": "Banana", "color": "Yellow", "price": 0.75, "quantity": 150, "category": "Tropical"},
+    {"id": 3, "name": "Orange", "color": "Orange", "price": 1.20, "quantity": 80, "category": "Citrus"}
+]
+
+# 1. GET / - Home endpoint
+@app.route('/')
+def home():
+    return jsonify({
+        "message": "Fruit Store API",
+        "version": "1.0",
+        "endpoints": [
+            "GET /fruits - Get all fruits",
+            "GET /fruits/<id> - Get fruit by ID", 
+            "POST /fruits - Add new fruit",
+            "PUT /fruits/<id> - Update fruit",
+            "DELETE /fruits/<id> - Delete fruit",
+            "GET /fruits/category/<category> - Get fruits by category",
+            "GET /fruits/search?name=<name> - Search fruits by name"
+        ]
+    })
+
+# 2. GET /fruits - Get all fruits
+@app.route('/fruits', methods=['GET'])
+def get_all_fruits():
+    return jsonify({
+        "fruits": fruits,
+        "total": len(fruits),
+        "timestamp": datetime.now().isoformat()
+    })
+
+# 3. GET /fruits/<id> - Get specific fruit
+@app.route('/fruits/<int:fruit_id>', methods=['GET'])
+def get_fruit(fruit_id):
+    fruit = next((f for f in fruits if f['id'] == fruit_id), None)
+    if fruit:
+        return jsonify({"fruit": fruit})
+    return jsonify({"error": "Fruit not found"}), 404
+
+# 4. POST /fruits - Create new fruit
+@app.route('/fruits', methods=['POST'])
+def create_fruit():
+    data = request.get_json()
+    
+    if not data or 'name' not in data:
+        return jsonify({"error": "Name is required"}), 400
+    
+    # Generate new ID
+    new_id = max([f['id'] for f in fruits]) + 1 if fruits else 1
+    
+    new_fruit = {
+        "id": new_id,
+        "name": data['name'],
+        "color": data.get('color', 'Unknown'),
+        "price": data.get('price', 0.0),
+        "quantity": data.get('quantity', 0),
+        "category": data.get('category', 'General'),
+        "created_at": datetime.now().isoformat()
+    }
+    
+    fruits.append(new_fruit)
+    return jsonify({
+        "message": "Fruit created successfully",
+        "fruit": new_fruit
+    }), 201
+
+# 5. PUT /fruits/<id> - Update fruit
+@app.route('/fruits/<int:fruit_id>', methods=['PUT'])
+def update_fruit(fruit_id):
+    fruit = next((f for f in fruits if f['id'] == fruit_id), None)
+    if not fruit:
+        return jsonify({"error": "Fruit not found"}), 404
+    
+    data = request.get_json()
+    
+    # Update allowed fields
+    if 'name' in data:
+        fruit['name'] = data['name']
+    if 'color' in data:
+        fruit['color'] = data['color']
+    if 'price' in data:
+        fruit['price'] = data['price']
+    if 'quantity' in data:
+        fruit['quantity'] = data['quantity']
+    if 'category' in data:
+        fruit['category'] = data['category']
+    
+    fruit['updated_at'] = datetime.now().isoformat()
+    
+    return jsonify({
+        "message": "Fruit updated successfully",
+        "fruit": fruit
+    })
+
+# 6. DELETE /fruits/<id> - Delete fruit
+@app.route('/fruits/<int:fruit_id>', methods=['DELETE'])
+def delete_fruit(fruit_id):
+    global fruits
+    fruit = next((f for f in fruits if f['id'] == fruit_id), None)
+    if not fruit:
+        return jsonify({"error": "Fruit not found"}), 404
+    
+    fruits = [f for f in fruits if f['id'] != fruit_id]
+    return jsonify({
+        "message": "Fruit deleted successfully",
+        "deleted_fruit": fruit
+    })
+
+# 7. GET /fruits/category/<category> - Get fruits by category
+@app.route('/fruits/category/<category>', methods=['GET'])
+def get_fruits_by_category(category):
+    category_fruits = [f for f in fruits if f['category'].lower() == category.lower()]
+    return jsonify({
+        "category": category,
+        "fruits": category_fruits,
+        "count": len(category_fruits)
+    })
+
+# Search endpoint
+@app.route('/fruits/search', methods=['GET'])
+def search_fruits():
+    name_query = request.args.get('name', '').lower()
+    if not name_query:
+        return jsonify({"error": "Name parameter is required"}), 400
+    
+    matching_fruits = [f for f in fruits if name_query in f['name'].lower()]
+    return jsonify({
+        "search_term": name_query,
+        "results": matching_fruits,
+        "count": len(matching_fruits)
+    })
+
+# Health check endpoint
+@app.route('/health', methods=['GET'])
+def health_check():
+    return jsonify({
+        "status": "healthy",
+        "service": "fruit-api",
+        "timestamp": datetime.now().isoformat()
+    })
+
+if __name__ == '__main__':
+    print("Fruit API starting on http://localhost:5000")
+    print("Available endpoints:")
+    print("1. GET  / - Home")
+    print("2. GET  /fruits - All fruits") 
+    print("3. GET  /fruits/<id> - Fruit by ID")
+    print("4. POST /fruits - Create fruit")
+    print("5. PUT  /fruits/<id> - Update fruit")
+    print("6. DELETE /fruits/<id> - Delete fruit")
+    print("7. GET /fruits/category/<category> - Fruits by category")
+    print("8. GET /fruits/search?name=X - Search fruits")
+    print("9. GET /health - Health check")
+    
+    app.run(debug=True, host='0.0.0.0', port=5000)