After_Chido_Api/services/role_service.py

149 lines
6.1 KiB
Python

from sqlalchemy import insert, select, update, delete
from fastapi import HTTPException, Depends, status
from fastapi.security import OAuth2PasswordBearer
from models.schemas import TokenData
from models.db import roles_table, permissions_table, role_permissions_table, users_table
from config.database import get_db
from config.settings import settings
from jose import jwt, JWTError
from sqlalchemy.ext.asyncio import AsyncSession
from services.auth_service import AuthService
class RoleService:
@staticmethod
async def get_all_roles(db: AsyncSession):
query = select(roles_table)
result = await db.execute(query)
roles = result.mappings().all()
# Inclure les permissions pour chaque rôle
roles_with_permissions = []
for role in roles:
permissions_query = (
select(permissions_table.c.name)
.join(role_permissions_table, permissions_table.c.id == role_permissions_table.c.permission_id)
.where(role_permissions_table.c.role_id == role['id'])
)
result = await db.execute(permissions_query)
permissions_result = result.mappings().all()
permissions = [p["name"] for p in permissions_result]
role_data = dict(role)
role_data["permissions"] = permissions
roles_with_permissions.append(role_data)
return roles_with_permissions
@staticmethod
async def create_role(name: str, db: AsyncSession, token: str):
"""
Crée un nouveau rôle avec les permissions spécifiées (réservé aux administrateurs).
"""
await AuthService.admin_required(token, db)
# Insérer le rôle
query = insert(roles_table).values(name=name)
try:
result = await db.execute(query)
await db.commit()
role_id = result.inserted_primary_key[0]
return {"id": role_id, "name": name}
except Exception as e:
await db.rollback()
raise HTTPException(status_code=500, detail=f"Could not create role: {str(e)}")
@staticmethod
async def update_role(role_id: int, data: dict, db: AsyncSession, token: str):
"""
Met à jour un rôle par son ID (réservé aux administrateurs).
"""
await AuthService.admin_required(token, db)
if "permissions" in data:
# Supprimer les anciennes permissions
delete_query = delete(role_permissions_table).where(role_permissions_table.c.role_id == role_id)
await db.execute(delete_query)
# Ajouter les nouvelles permissions
for permission in data["permissions"]:
permission_query = select(permissions_table).where(permissions_table.c.name == permission)
permission_result = await db.execute(permission_query)
permission_record = permission_result.mappings().fetchone()
if not permission_record:
raise HTTPException(status_code=400, detail=f"Permission '{permission}' not found")
insert_query = insert(role_permissions_table).values(
role_id=role_id, permission_id=permission_record['id']
)
await db.execute(insert_query)
await db.commit()
# Mettre à jour les autres champs du rôle
role_update_data = {key: value for key, value in data.items() if key != "permissions"}
if role_update_data:
query = (
update(roles_table)
.where(roles_table.c.id == role_id)
.values(**role_update_data)
)
try:
result = await db.execute(query)
if result.rowcount == 0:
raise HTTPException(status_code=404, detail="Role not found")
await db.commit()
return {"message": "Role updated successfully"}
except Exception as e:
await db.rollback()
raise HTTPException(status_code=500, detail=f"Could not update role: {str(e)}")
return {"message": "Role updated successfully"}
@staticmethod
async def delete_role(role_id: int, db: AsyncSession, token: str):
"""
Supprime un rôle par son ID (réservé aux administrateurs).
"""
await AuthService.admin_required(token, db)
query = delete(roles_table).where(roles_table.c.id == role_id)
try:
result = await db.execute(query)
if result.rowcount == 0:
raise HTTPException(status_code=404, detail="Role not found")
await db.commit()
return {"message": "Role deleted successfully"}
except Exception as e:
await db.rollback()
raise HTTPException(status_code=500, detail=f"Could not delete role: {str(e)}")
@staticmethod
async def get_all_permissions(db: AsyncSession):
"""
Récupère toutes les permissions en BDD.
"""
query = select(permissions_table)
result = await db.execute(query)
permissions_result = result.mappings().all()
return permissions_result
@staticmethod
async def get_role(role_id: int, db: AsyncSession):
"""
Récupère les détails d'un rôle spécifique, y compris ses permissions associées.
"""
query = select(roles_table).where(roles_table.c.id == role_id)
result = await db.execute(query)
role = result.mappings().fetchone()
if not role:
raise HTTPException(status_code=404, detail="Role not found")
# Récupérer les permissions associées au rôle
permissions_query = (
select(permissions_table.c.name)
.join(role_permissions_table, role_permissions_table.c.permission_id == permissions_table.c.id)
.where(role_permissions_table.c.role_id == role_id)
)
result = await db.execute(permissions_query)
permissions_result = result.mappings().all()
permissions = [row["name"] for row in permissions_result]
return {"id": role["id"], "name": role["name"], "permissions": permissions}