Azeez Muibi
100 lines
3.3 KiB
Python
100 lines
3.3 KiB
Python
from datetime import datetime, timezone
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from app.extensions import db
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from sqlalchemy.exc import IntegrityError
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from sqlalchemy import and_, or_, not_
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class Transaction(db.Model):
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__tablename__ = 'transactions'
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id = db.Column(
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db.Integer,
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primary_key=True,
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autoincrement=True,
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)
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transaction_id = db.Column(db.String(50), nullable=False)
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account_id = db.Column(db.String(50), nullable=True)
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customer_id = db.Column(db.String(50), nullable=True)
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type = db.Column(db.String(50), nullable=False)
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channel = db.Column(db.String(50), nullable=False)
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created_at = db.Column(db.DateTime, default=datetime.now(timezone.utc))
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updated_at = db.Column(db.DateTime, default=datetime.now(timezone.utc), onupdate=datetime.now(timezone.utc))
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def __repr__(self):
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return f'<Transaction {self.id}>'
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@classmethod
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def create_transaction(cls, transaction_id, account_id, customer_id, type, channel):
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# if cls.query.filter_by(transaction_id=transaction_id).first():
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# raise ValueError("Duplicate Transaction")
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if cls.query.filter( and_( cls.transaction_id ==transaction_id, cls.type==type) ).first():
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raise ValueError("Duplicate Transaction")
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transaction = cls(
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transaction_id = transaction_id,
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customer_id = customer_id,
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account_id = account_id,
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type = type,
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channel = channel
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)
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try:
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db.session.add(transaction)
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except IntegrityError as err:
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raise ValueError(f"Database integrity error: {err}")
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return transaction
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@classmethod
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def get_transaction_by_id(cls, transaction_id):
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return cls.query.get(transaction_id)
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@classmethod
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def get_all_transactions(cls, account_id=None, transaction_id=None, transaction_type=None, channel=None, start_date=None, end_date=None, page=1, limit=20):
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"""
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Get all transactions with optional filtering
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Args:
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account_id (str, optional): Filter by account ID
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transaction_id (str, optional): Filter by transaction ID
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transaction_type (str, optional): Filter by transaction type
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channel (str, optional): Filter by channel
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start_date (datetime, optional): Filter by start date
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end_date (datetime, optional): Filter by end date
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Returns:
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list: List of Transaction objects
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"""
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query = cls.query
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# Apply filters if provided
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if account_id:
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query = query.filter(cls.account_id == account_id)
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if transaction_id:
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query = query.filter(cls.transaction_id == transaction_id)
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if transaction_type:
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query = query.filter(cls.type == transaction_type)
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if channel:
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query = query.filter(cls.channel == channel)
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if start_date:
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query = query.filter(cls.created_at >= start_date)
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if end_date:
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query = query.filter(cls.created_at <= end_date)
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# Order by created_at descending (newest first)
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query = query.order_by(cls.created_at.desc())
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# Get total count before pagination
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total_count = query.count()
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# Apply pagination
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offset = (page - 1) * limit
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query = query.limit(limit).offset(offset)
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return query.all(), total_count
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