add CRUD with variables

handler.py

@@ -5,7 +5,8 @@
 # This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
 # You should have received a copy of the GNU General Public License along with this program. If not, see https://www.gnu.org/licenses/.
 
-from    bottle                  import Bottle, route
+import json
+from    bottle                  import Bottle, route, response, request
 from    config                  import directory
 
 import  templates.plain.main	as template_public
@@ -13,6 +14,14 @@ import  modules.public.home     as public_home
 
 app = Bottle()
 
+data = {
+    "foods": [
+        "Pizza",
+        "Burger",
+        "Pasta",
+    ]
+}
+
 @app.route('/')
 def index():
     params = {
@@ -22,6 +31,50 @@ def index():
     }
     return public_home.main().html(params)
 
-@app.route('/api/<crud>')
+@app.route('/api/<crud>', methods=['GET', 'POST', 'PUT', 'DELETE'])
 def index(crud):
-    return f'api {crud}'
+    response.content_type = 'application/json'
+    result = {
+        "status": "error",
+        "message": f"API endpoint for /api/{crud} is not implemented yet."
+    }
+
+    payload = request.json
+    if crud == "create":
+        data["foods"].append(payload["food"])
+        id = len(data["foods"]) - 1
+
+        result["status"] = "success"
+        result["message"] = f'{payload["food"]} is added to the list.'
+        result["data"] = {
+            "id": id,
+            "food": data["foods"][id]
+        }
+
+    elif crud == "read":
+        result["status"] = "success"
+        result["message"] = "Reading foods."
+        result["data"] = data["foods"]
+
+    elif crud == "update":
+        food_id = payload["id"]
+        food = payload["food"]
+        data["foods"][food_id] = food
+
+        result["status"] = "success"
+        result["message"] = f'{food} is updated.'
+        result["data"] = {
+            "food": data["foods"][food_id]
+        }
+
+    elif crud == "delete":
+        food_id = payload["id"]
+        food = data["foods"].pop(food_id)
+
+        result["status"] = "success"
+        result["message"] = f'{food} is deleted'
+        result["data"] = {
+            "food": food
+        }
+
+    return json.dumps(result, indent = 2).encode()