created new working api and lambda func

lambdafuncs/lambda_func_createcourse.py

@@ -0,0 +1,54 @@
+import json
+import boto3
+
+# Initialize the DynamoDB client
+dynamodb = boto3.client('dynamodb')
+
+# DynamoDB table name
+table_name = 'course_createDB'
+
+def lambda_handler(event, context):
+    # Extract the JSON data from the POST request
+    try:
+        course_data = event
+    except Exception as e:
+        return {
+            'statusCode': 400,
+            'body': json.dumps({'error': 'Invalid JSON format in the request body'})
+        }
+
+    # Check if the required fields are present in the request
+    if 'name' not in course_data or 'professor' not in course_data or 'days' not in course_data or 'time' not in course_data or 'seats' not in course_data or 'location' not in course_data:
+        return {
+            'statusCode': 401,
+            'body': json.dumps({'error': 'Required fields are missing in the request body'})
+        }
+
+    # Create an item for the DynamoDB table
+    item = {
+        'name': {'S': course_data['name']},
+        'professor': {'S': course_data['professor']},
+        'days': {'S': course_data['days']},
+        'time': {'S': course_data['time']},
+        'seats': {'S': course_data['seats']},
+        'location': {'S': course_data['location']}
+    }
+
+    for key, value in course_data.items():
+        item[key] = {'S' if isinstance(value, str) else 'N': str(value)}
+
+    # Put the item into the DynamoDB table
+    try:
+        dynamodb.put_item(
+            TableName=table_name,
+            Item=item
+        )
+        return {
+            'statusCode': 200,
+            'body': json.dumps({'message': 'Course added successfully'})
+        }
+    except Exception as e:
+        return {
+            'statusCode': 500,
+            'body': json.dumps({'error': str(e)})
+        }