backend: add suggestions CRUD

backend/src/suggestions.py

@@ -0,0 +1,104 @@
+#!/usr/bin/env python
+# encoding: utf-8
+
+"""
+suggestions.py is a source for all suggestions endpoints.
+"""
+
+from flask import request, jsonify
+
+
+def registerSuggestionsEndpoints(app, database):
+    @app.route("/suggestions", methods=["GET"])
+    def get_suggestions():
+        if not request.is_json:
+            return jsonify({"error": "Request must contain JSON data"}), 400
+
+        data = request.get_json()
+
+        if not data.get("name"):
+            return jsonify({"error": "Request must contain name field"}), 400
+
+        query = "SELECT * FROM suggestions WHERE name = %s"
+        output = database.query(query_str=query, params=(data["name"],))
+        if not output:
+            return jsonify({"message": "No suggestions by that name exist"}), 404
+
+        response = {"name": output[0][1], "suggestions": []}
+
+        for suggestion in output:
+            suggestion_data = {
+                "id": suggestion[0],
+                "suggestion": suggestion[2],
+            }
+            response["suggestions"].append(suggestion_data)
+
+        return jsonify(response), 200
+
+    @app.route("/suggestions", methods=["POST"])
+    def add_suggestions():
+        if not request.is_json:
+            return jsonify({"error": "Request must contain JSON data"}), 400
+
+        data = request.get_json()
+        if not data.get("name") or not data.get("suggestion"):
+            return jsonify({"error": "JSON must contain name and suggestion fields"}), 400
+
+        query = "INSERT INTO suggestions (Name, Suggestion) VALUES (%s, %s)"
+        
+        try:
+            # Execute the query with the provided parameters
+            database.query(query_str=query, params=(data['name'], data['suggestion']))
+            database.commit()
+            return jsonify({"message": "Suggestion added successfully"}), 201
+        except Exception as e:
+            # Handle database errors
+            return jsonify({"error": str(e)}), 500
+
+
+    @app.route('/suggestions/<int:id>', methods=['GET'])
+    def get_suggestion(id):
+        query = 'SELECT * FROM suggestions WHERE id = %s'
+        output = database.query(query, params=(id,))
+        
+        if not output:
+            return jsonify({"error": "No suggestion found with that ID"}), 404
+
+        response = {
+            "id": output[0][0],
+            "name": output[0][1],
+            "suggestion": output[0][2]
+        }
+        return jsonify(response), 200
+
+    @app.route('/suggestions/<int:id>', methods=['PUT'])
+    def update_suggestion(id):
+        if not request.is_json:
+            return jsonify({"error": "Request must contain JSON data"}), 400
+
+        data = request.get_json()
+        if not data.get("name") or not data.get("suggestion"):
+            return (
+                jsonify({"error": "JSON must contain name and suggestion fields"}),
+                400,
+            )
+
+        query = 'UPDATE suggestions SET Suggestion = %s WHERE id = %s'
+        result = database.query(query, params=(data['suggestion'], id))
+        database.commit()
+        
+        if result == 0:
+            return jsonify({"error": "No suggestion found with that ID"}), 404
+
+        return jsonify({"message": "Suggestion updated successfully"}), 200
+
+    @app.route('/suggestions/<int:id>', methods=['DELETE'])
+    def delete_suggestion(id):
+        query = 'DELETE FROM suggestions WHERE id = %s'
+        result = database.query(query, params=(id,))
+        database.commit()
+        
+        if result == 0:
+            return jsonify({"error": "No suggestion found with that ID"}), 404
+
+        return jsonify({"message": "Suggestion deleted successfully"}), 204