paginated all data

2025-04-21 23:40:15 +01:00
parent 678aab5200
commit 90b54d86a4
11 changed files with 582 additions and 348 deletions
@@ -0,0 +1,100 @@
+import logging
+from datetime import datetime
+
+from flask import jsonify
+
+from app.models.transaction import Transaction
+
+logger = logging.getLogger(__name__)
+
+
+class TransactionService:
+    """
+    Service class for handling transaction-related operations.
+    """
+
+    @staticmethod
+    def process_request(filters=None):
+        """
+        Process the get transactions request.
+
+        Args:
+            filters (dict, optional): Filters for the transactions query.
+
+        Returns:
+            dict: A standardized response with transactions data.
+        """
+        try:
+            if filters is None:
+                filters = {}
+
+            # Extract filters
+            account_id = filters.get('account_id')
+            transaction_type = filters.get('type')
+            channel = filters.get('channel')
+            start_date = filters.get('start_date')
+            end_date = filters.get('end_date')
+
+            # Extract pagination parameters
+            page = int(filters.get('page', 1))
+            limit = int(filters.get('limit', 20))
+
+            # Ensure page and limit are valid
+            if page < 1:
+                page = 1
+            if limit < 1 or limit > 100:
+                limit = 20
+
+            # Convert string dates to datetime objects if provided
+            if start_date and isinstance(start_date, str):
+                start_date = datetime.fromisoformat(start_date.replace('Z', '+00:00'))
+            if end_date and isinstance(end_date, str):
+                end_date = datetime.fromisoformat(end_date.replace('Z', '+00:00'))
+
+            # Get transactions with optional filters and pagination
+            transactions, total_count = Transaction.get_all_transactions(
+                account_id=account_id,
+                transaction_type=transaction_type,
+                channel=channel,
+                start_date=start_date,
+                end_date=end_date,
+                page=page,
+                limit=limit
+            )
+
+            # Convert transactions to dictionary format
+            transactions_data = []
+            for transaction in transactions:
+                transactions_data.append({
+                    'id': transaction.id,
+                    'transaction_id': transaction.transaction_id,
+                    'account_id': transaction.account_id,
+                    'type': transaction.type,
+                    'channel': transaction.channel,
+                    'created_at': transaction.created_at.isoformat(),
+                    'updated_at': transaction.updated_at.isoformat()
+                })
+
+            # Calculate total pages
+            total_pages = (total_count + limit - 1) // limit
+
+            response_data = {
+                'transactions': transactions_data,
+                'count': len(transactions_data),
+                'pagination': {
+                    'total_count': total_count,
+                    'total_pages': total_pages,
+                    'current_page': page,
+                    'limit': limit,
+                    'has_next': page < total_pages,
+                    'has_prev': page > 1
+                }
+            }
+
+            return response_data
+
+        except Exception as e:
+            logger.error(f"An error occurred: {str(e)}", exc_info=True)
+            return jsonify({
+                "message": "Internal Server Error"
+            }), 500