move everything to backend folder for migration to dashboard repository

backend/areas/roles/__init__.py

@@ -0,0 +1,2 @@
+from .roles import *
+from .models import *

backend/areas/roles/models.py

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+from sqlalchemy import Integer, String
+from database import db
+
+
+class Role(db.Model):
+    NO_ACCESS_ROLE_ID = 3
+
+    id = db.Column(Integer, primary_key=True)
+    name = db.Column(String(length=64))
+
+    def __repr__(self):
+        return f"Role {self.name}"

backend/areas/roles/role_service.py

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+from areas.apps.models import AppRole
+from .models import Role
+
+
+class RoleService:
+    @staticmethod
+    def get_roles():
+        roles = Role.query.all()
+        return [{"id": r.id, "name": r.name} for r in roles]
+
+    @staticmethod
+    def get_role_by_id(role_id):
+        return Role.query.filter_by(id=role_id).first()
+
+    @staticmethod
+    def is_user_admin(userId):
+        dashboard_role_id = AppRole.query.filter_by(user_id=userId, app_id=1).first().role_id
+        return dashboard_role_id == 1

backend/areas/roles/roles.py

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+from flask import jsonify, request
+from flask_jwt_extended import jwt_required
+from flask_cors import cross_origin
+
+from areas import api_v1
+
+from .role_service import RoleService
+
+
+@api_v1.route("/roles", methods=["GET"])
+@jwt_required()
+@cross_origin()
+def get_roles():
+    roles = RoleService.get_roles()
+    return jsonify(roles)