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serwer.py

@@ -0,0 +1,77 @@
+from wsgiref.simple_server import make_server
+import json
+import pyodbc
+
+response_headers = [
+    ('Content-Type', 'application/json'),
+    ('Access-Control-Allow-Origin', '*'),
+    ('Access-Control-Allow-Methods', 'POST, GET, OPTIONS, DELETE'),
+    ('Access-Control-Allow-Headers', 'Content-Type')
+]
+
+conn = pyodbc.connect(
+    'DRIVER={ODBC Driver 17 for SQL Server};'
+    'SERVER=mssql-2017.labs.wmi.amu.edu.pl;'
+    'DATABASE=dbad_s490122;' 
+    'UID=dbad_s490122;'        
+    'PWD=c1Dp8y8iWJ'           
+)
+cursor = conn.cursor()
+
+def add_task(cursor, data):
+    task_description = data.get('task_description', '')
+    if task_description:
+        cursor.execute("INSERT INTO Tasks (task_description) OUTPUT INSERTED.id VALUES (?)", (task_description,))
+        task_id = cursor.fetchone()[0]
+        conn.commit()
+        return {'message': 'Task added successfully', 'id': task_id}, '200 OK'
+    else:
+        return {'message': 'Task description is required'}, '400 Bad Request'
+
+def get_tasks(cursor):
+    cursor.execute("SELECT id, task_description FROM Tasks")
+    tasks = cursor.fetchall()
+    tasks_list = [{'id': task[0], 'task_description': task[1]} for task in tasks]
+    return tasks_list, '200 OK'
+
+def delete_task(cursor, task_id):
+    cursor.execute("DELETE FROM Tasks WHERE id = ?", (task_id,))
+    conn.commit()
+    return {'message': 'Task deleted successfully'}, '200 OK'
+#LAMBDA
+get_request_body = lambda environ: environ['wsgi.input'].read(int(environ.get('CONTENT_LENGTH', 0)))
+parse_task_id_from_path = lambda path: int(path.split('/')[-1]) if path.count('/') > 1 else None
+
+def application(environ, start_response):
+    path = environ.get('PATH_INFO', '')
+    method = environ.get('REQUEST_METHOD', '')
+
+    if method == 'OPTIONS':
+        start_response('200 OK', response_headers)
+        return [b'']
+
+    try:
+        if method == 'POST' and path == '/add_task':
+            request_body = get_request_body(environ)
+            data = json.loads(request_body)
+            response, status = add_task(cursor, data)
+        elif method == 'GET' and path == '/get_tasks':
+            response, status = get_tasks(cursor)
+        elif method == 'DELETE' and path.startswith('/delete_task/'):
+            task_id = parse_task_id_from_path(path)
+            if task_id is not None:
+                response, status = delete_task(cursor, task_id)
+            else:
+                response, status = {'message': 'Invalid task ID'}, '400 Bad Request'
+        else:
+            response, status = {'message': 'Not Found'}, '404 Not Found'
+    except Exception as e:
+        response, status = {'message': str(e)}, '500 Internal Server Error'
+
+    start_response(status, response_headers)
+    return [json.dumps(response).encode('utf-8')]
+
+if __name__ == "__main__":
+    httpd = make_server('', 8000, application)
+    print("Serving on port 8000...")
+    httpd.serve_forever()