Major update

app/api/services/bulk_sms.py

@@ -0,0 +1,78 @@
+from flask import request, jsonify
+from marshmallow import ValidationError
+from app.utils.logger import logger
+from app.api.schemas.bulk_sms import BulkSMSSchema, BulkSMSResponseSchema
+
+
+class BulkSMSService:
+    @staticmethod
+    def process_request(data):
+        """
+        Process the BulkSMS request.
+
+        Args:
+            data (list): The request data as a list of SMS items.
+
+        Returns:
+            dict: A standardized response.
+        """
+        try:
+            logger.info("Processing BulkSMS request")
+
+            # Check if the data is a list and not too large
+            if not isinstance(data, list):
+                return jsonify({
+                    "data": "",
+                    "statusCode": 400,
+                    "IsSuccessful": False,
+                    "errorMessage": "Request must be a list of SMS items"
+                }), 400
+
+            if len(data) > 20:
+                return jsonify({
+                    "data": "",
+                    "statusCode": 400,
+                    "IsSuccessful": False,
+                    "errorMessage": "Maximum of 20 SMS items allowed"
+                }), 400
+
+            # Validate each item in the list
+            schema = BulkSMSSchema()
+            # We need to wrap the list in a dictionary with a key that matches the schema field name
+            validated_data = schema.load({"_schema": data})  # Raises ValidationError if invalid
+
+            # Simulated processing logic
+            # In a real implementation, this would interact with your business logic
+            # to send bulk SMS messages to customers
+
+            # For demonstration, we'll simulate a successful bulk SMS send
+            response_data = {
+                "data": "",
+                "statusCode": 200,
+                "IsSuccessful": True,
+                "errorMessage": None
+            }
+
+            # Validate the response using the response schema
+            response_schema = BulkSMSResponseSchema()
+            validated_response = response_schema.dump(response_data)
+
+            return jsonify(validated_response)
+
+        except ValidationError as err:
+            logger.error(f"Validation Error: {err.messages}")
+            return jsonify({
+                "data": "",
+                "statusCode": 400,
+                "IsSuccessful": False,
+                "errorMessage": f"Validation error: {err.messages}"
+            }), 400
+
+        except Exception as e:
+            logger.error(f"An error occurred: {str(e)}", exc_info=True)
+            return jsonify({
+                "data": "",
+                "statusCode": 500,
+                "IsSuccessful": False,
+                "errorMessage": f"Error occurred: {str(e)}"
+            }), 500