|
| 1 | +from flask import jsonify |
| 2 | +from flask import make_response |
| 3 | +from flask_sqlalchemy import SQLAlchemy |
| 4 | +from sqlalchemy.exc import IntegrityError |
| 5 | +from marshmallow import ValidationError |
| 6 | +from app.constants import STATUS_CODE |
| 7 | +from flask_restplus import reqparse |
| 8 | + |
| 9 | +DB = SQLAlchemy() |
| 10 | + |
| 11 | +class CRUD: |
| 12 | + body = '' |
| 13 | + status_code = STATUS_CODE.NOT_IMPLEMENTED |
| 14 | + def add(self, resource, schema): |
| 15 | + try: |
| 16 | + DB.session.add(resource) |
| 17 | + DB.session.commit() |
| 18 | + query = resource.query.get(resource.id) |
| 19 | + self.body = jsonify(schema.dump(resource).data) |
| 20 | + self.status_code = STATUS_CODE.CREATED |
| 21 | + except IntegrityError as error: |
| 22 | + DB.session.rollback() |
| 23 | + error_message = str(error) |
| 24 | + self.body = jsonify({"error": error_message, "type":"IntegrityError"}) |
| 25 | + if "Duplicate entry" in error_message: |
| 26 | + self.status_code = 404 |
| 27 | + else: |
| 28 | + self.status_code = 400 |
| 29 | + finally: |
| 30 | + response = (self.body, self.status_code.value) |
| 31 | + response = make_response(response) |
| 32 | + |
| 33 | + return response |
| 34 | + |
| 35 | + def update(self, args, schema): |
| 36 | + try: |
| 37 | + for key, value in args.items(): |
| 38 | + setattr(self, key, value) |
| 39 | + DB.session.commit() |
| 40 | + self.body = jsonify(schema.dump(self).data) |
| 41 | + self.status_code = STATUS_CODE.OK |
| 42 | + except IntegrityError as error: |
| 43 | + DB.session.rollback() |
| 44 | + error_message = str(error) |
| 45 | + self.body = jsonify({"error": error_message, "type":"IntegrityError"}) |
| 46 | + if "Duplicate entry" in error_message: |
| 47 | + self.status_code = STATUS_CODE.CONFLICT |
| 48 | + else: |
| 49 | + self.status_code = STATUS_CODE.BAD_REQUEST |
| 50 | + finally: |
| 51 | + response = (self.body, self.status_code.value) |
| 52 | + response = make_response(response) |
| 53 | + return response |
| 54 | + |
| 55 | + def delete(self, resource, schema): |
| 56 | + DB.session.delete(resource) |
| 57 | + DB.session.commit() |
| 58 | + self.body = jsonify({"message":"success"}) |
| 59 | + self.status_code = STATUS_CODE.OK |
| 60 | + response = (self.body, self.status_code.value) |
| 61 | + response = make_response(response) |
| 62 | + return response |
| 63 | + |
| 64 | + def select(self, name, password): |
| 65 | + |
| 66 | + return "test" |
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