[add]: MIgration to oracle database

app/__init__.py

@@ -18,6 +18,10 @@ from flask_jwt_extended import (
 
 def create_app():
     """Factory function to create a Flask app instance"""
+    # import oracledb
+    
+    # oracledb.init_oracle_client(lib_dir=None) 
+
     app = Flask(__name__)
 
     # Load configuration

app/api/services/offer_analysis.py

@@ -40,6 +40,7 @@ class OfferAnalysis:
         original_transaction =  transaction_id
 
         return transaction_offer, offer, eligible_amount, original_transaction
+    
     @staticmethod
     def _analyze_rack_checks(rack_response, offer):
         logger.info(f"This is PayLoad for ANALYSYS ***** : {str(rack_response)}", exc_info=True)

app/config.py

@@ -16,10 +16,16 @@ class Config:
     DATABASE_PASSWORD = os.environ.get("DATABASE_PASSWORD")
     DATABASE_HOST = os.environ.get("DATABASE_HOST")
     DATABASE_PORT = os.environ.get("DATABASE_PORT", 10532)
-    DATABASE_NAME = os.environ.get("DATABASE_NAME")
+    DATABASE_NAME = os.environ.get("DATABASE_NAME", "firstadvancedev")
+    DATABASE_SID = os.environ.get("DATABASE_SID", "FREE")
+    DNS = f"(DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST={DATABASE_HOST})(PORT={DATABASE_PORT}))(CONNECT_DATA=(SID={DATABASE_SID})))"
+
 
     # Database Connection
-    SQLALCHEMY_DATABASE_URI = f"postgresql+psycopg2://{DATABASE_USER}:{DATABASE_PASSWORD}@{DATABASE_HOST}:{DATABASE_PORT}/{DATABASE_NAME}"
+    # SQLALCHEMY_DATABASE_URI = f"postgresql+psycopg2://{DATABASE_USER}:{DATABASE_PASSWORD}@{DATABASE_HOST}:{DATABASE_PORT}/{DATABASE_NAME}"
+
+    SQLALCHEMY_DATABASE_URI = (f"oracle+oracledb://{DATABASE_USER}:{DATABASE_PASSWORD}@{DNS}")
+
     SQLALCHEMY_TRACK_MODIFICATIONS = False
 
 

app/models/offer.py

@@ -7,8 +7,8 @@ from sqlalchemy.sql import func
 class Offer(db.Model):
     __tablename__ = 'offers'
 
-    id = db.Column(db.String, primary_key=True)
-    product_id = db.Column(db.String, nullable=False)
+    id = db.Column(db.String(50), primary_key=True)
+    product_id = db.Column(db.String(50), nullable=False)
     min_amount = db.Column(db.Float, nullable=False)
     max_amount = db.Column(db.Float, nullable=False)
     tenor = db.Column(db.Integer, nullable=False)

app/models/rac_checks.py

@@ -3,6 +3,7 @@ from app.extensions import db
 from sqlalchemy.orm import relationship
 from sqlalchemy.exc import IntegrityError
 from uuid import uuid4
+import json
 from sqlalchemy.types import JSON
 from sqlalchemy.sql import func
 
@@ -11,11 +12,22 @@ class RACCheck(db.Model):
 
     id = db.Column(db.Integer, primary_key=True, autoincrement=True)
     transaction_id = db.Column(db.String(50), nullable=False)
-    customer_id = db.Column(db.String, nullable=False)
-    account_id = db.Column(db.String, nullable=False)
-    rac_response = db.Column(db.JSON, nullable=False)
+    customer_id = db.Column(db.String(50), nullable=False)
+    account_id = db.Column(db.String(50), nullable=False)
+    rac_response = db.Column(db.Text, nullable=False)
     created_at = db.Column(db.DateTime(timezone=True), server_default=func.now())
     updated_at = db.Column(db.DateTime(timezone=True), server_default=func.now(), onupdate=func.now())
+
+
+    @property
+    def rac_response_data(self):
+        return json.loads(self.rac_response)
+
+    @rac_response_data.setter
+    def rac_response_data(self, value):
+        self.rac_response = json.dumps(value)
+
+
     @classmethod
     def add_rac_check(cls, customer_id, account_id, transaction_id, data = None):
     
@@ -25,10 +37,11 @@ class RACCheck(db.Model):
             customer_id = customer_id,
             account_id = account_id,
             transaction_id = transaction_id,
-            rac_response = data,
             created_at=datetime.now(timezone.utc),
             updated_at=datetime.now(timezone.utc)
         )
+
+        rac_check.rac_response_data = data or {}
         
         try:
             db.session.add(rac_check)
@@ -66,7 +79,7 @@ class RACCheck(db.Model):
             "transactionId": str(self.transaction_id),
             "customerId": self.customer_id,
             "accountId": self.account_id,
-            "racResponse": self.rac_response,
+            "racResponse": self.rac_response_data,
             "createdAt": self.created_at.isoformat(),
             "updatedAt": self.updated_at.isoformat() if self.updated_at else None
         }