Files
saas_backend/app/services/auth/role_service.py
T

345 lines
12 KiB
Python

import uuid
import json
import logging
from typing import List, Optional
from sqlalchemy.orm import Session
from sqlalchemy import or_, cast, String
from fastapi import HTTPException, status
from app.models.auth.role_model import Role
from app.models.auth.role_access_model import RoleAccess
from app.models.auth.role_module_access_model import RoleModuleAccess
from app.models.auth.module_access_model import ModuleAccess
from app.models.auth.tenant_module_model import TenantModule
from app.models.auth.access_model import Access
from app.schemas.auth.role_schema import RoleCreate, RoleUpdate, RoleResponse, RolePaginatedResponse
from app.services.auth.event_service import EventService
logger = logging.getLogger(__name__)
class RoleService:
@staticmethod
def create_role(db: Session, role_data: RoleCreate, emit_events: bool = True) -> Role:
existing = (
db.query(Role)
.filter(
Role.role_name == role_data.role_name,
Role.tenant_id == role_data.tenant_id,
)
.first()
)
if existing:
raise HTTPException(
status_code=status.HTTP_400_BAD_REQUEST,
detail="Role name already exists for this tenant",
)
role = Role(
role_name=role_data.role_name,
tenant_id=role_data.tenant_id,
is_default=role_data.is_default or False,
)
db.add(role)
db.commit()
db.refresh(role)
if role_data.access_ids:
RoleService.assign_accesses(db, role.id, role_data.access_ids)
if emit_events:
assigned_modules = (
db.query(RoleModuleAccess, ModuleAccess)
.join(ModuleAccess, RoleModuleAccess.module_access_id == ModuleAccess.id)
.filter(RoleModuleAccess.role_id == role.id)
.all()
)
if assigned_modules:
module_map = {}
for rma, ma in assigned_modules:
mid = str(ma.module_id)
if mid not in module_map:
module_map[mid] = []
module_map[mid].append(ma.access_code)
from app.models.auth.tenant_module_model import TenantModule
env_map = {}
if role.tenant_id:
tm_assignments = db.query(TenantModule).filter(
TenantModule.tenant_id == role.tenant_id,
TenantModule.module_id.in_([uuid.UUID(m) for m in module_map.keys()])
).all()
for tm in tm_assignments:
env_map[str(tm.module_id)] = tm.assigned_environment_slug or "prod"
targets = []
for mid, codes in module_map.items():
env_slug = env_map.get(mid, "prod")
targets.append({
"module_id": mid,
"environment_slug": env_slug,
"permissions": codes
})
if targets:
provisioning_id = str(uuid.uuid4())
payload = {
"role_id": str(role.id),
"role_name": role.role_name,
"tenant_id": str(role.tenant_id) if role.tenant_id else None,
"provisioning_id": provisioning_id,
"targets": targets
}
logger.info(f"ROLE_PROVISION_REQUESTED Payload: {json.dumps(payload, default=str)}")
EventService.emit_event(
db,
event_type="ROLE_PROVISION_REQUESTED",
payload=payload,
tenant_id=role.tenant_id
)
db.commit()
return role
@staticmethod
def assign_accesses(db: Session, role_id: uuid.UUID, access_ids: List[uuid.UUID]):
db.query(RoleAccess).filter(RoleAccess.role_id == role_id).delete()
db.query(RoleModuleAccess).filter(RoleModuleAccess.role_id == role_id).delete()
if not access_ids:
return
saas_accesses = db.query(Access).filter(Access.id.in_(access_ids)).all()
saas_ids = {a.id for a in saas_accesses}
for access in saas_accesses:
db.add(RoleAccess(role_id=role_id, access_id=access.id))
remaining_ids = set(access_ids) - saas_ids
if remaining_ids:
module_accesses = db.query(ModuleAccess).filter(ModuleAccess.id.in_(remaining_ids)).all()
for access in module_accesses:
db.add(RoleModuleAccess(role_id=role_id, module_access_id=access.id))
db.commit()
@staticmethod
def get_all_roles(db: Session, tenant_id: uuid.UUID = None):
query = db.query(Role)
if tenant_id:
query = query.filter(Role.tenant_id == tenant_id)
return query.all()
@staticmethod
def get_role_by_id(db: Session, role_id: uuid.UUID) -> Role:
role = db.query(Role).filter(Role.id == role_id).first()
if not role:
raise HTTPException(
status_code=status.HTTP_404_NOT_FOUND, detail="Role not found"
)
return role
@staticmethod
def update_role(
db: Session,
role_id: uuid.UUID,
role_data: RoleUpdate,
is_superadmin: bool = False,
) -> Role:
role = RoleService.get_role_by_id(db, role_id)
def get_module_permissions_snapshot(r_id):
snapshot_data = (
db.query(RoleModuleAccess, ModuleAccess)
.join(ModuleAccess, RoleModuleAccess.module_access_id == ModuleAccess.id)
.filter(RoleModuleAccess.role_id == r_id)
.all()
)
snapshot_map = {}
for rma, ma in snapshot_data:
mid = str(ma.module_id)
if mid not in snapshot_map:
snapshot_map[mid] = set()
snapshot_map[mid].add(ma.access_code)
return snapshot_map
before_snapshot = get_module_permissions_snapshot(role_id)
update_dict = role_data.model_dump(exclude_unset=True)
role_name_changed = "role_name" in update_dict
if role.is_default and not is_superadmin:
raise HTTPException(
status_code=status.HTTP_403_FORBIDDEN,
detail="Default roles can only be modified by superadmins.",
)
if "access_ids" in update_dict:
access_ids = update_dict.pop("access_ids")
if access_ids is not None:
RoleService.assign_accesses(db, role_id, access_ids)
for key, value in update_dict.items():
setattr(role, key, value)
db.commit()
db.refresh(role)
after_snapshot = get_module_permissions_snapshot(role_id)
all_modules = set(before_snapshot.keys()) | set(after_snapshot.keys())
env_map = {}
if role.tenant_id:
tm_assignments = db.query(TenantModule).filter(
TenantModule.tenant_id == role.tenant_id,
TenantModule.module_id.in_([uuid.UUID(m) for m in all_modules])
).all()
for tm in tm_assignments:
env_map[str(tm.module_id)] = tm.assigned_environment_slug or "prod"
diff_targets = []
for mid in all_modules:
before_set = before_snapshot.get(mid, set())
after_set = after_snapshot.get(mid, set())
added = list(after_set - before_set)
removed = list(before_set - after_set)
is_active_module = mid in after_snapshot and len(after_snapshot[mid]) > 0
if added or removed or (role_name_changed and is_active_module):
env_slug = env_map.get(mid, "prod")
diff_targets.append({
"module_id": mid,
"environment_slug": env_slug,
"added_permissions": added,
"removed_permissions": removed
})
if diff_targets:
provisioning_id = str(uuid.uuid4())
payload = {
"role_id": str(role.id),
"role_name": role.role_name,
"tenant_id": str(role.tenant_id) if role.tenant_id else None,
"provisioning_id": provisioning_id,
"targets": diff_targets
}
logger.info(f"ROLE_UPDATED Payload: {json.dumps(payload, default=str)}")
EventService.emit_event(
db,
event_type="ROLE_UPDATED",
payload=payload,
tenant_id=role.tenant_id
)
db.commit()
return role
@staticmethod
def delete_role(db: Session, role_id: uuid.UUID, is_superadmin: bool = False):
role = RoleService.get_role_by_id(db, role_id)
if role.is_default and not is_superadmin:
raise HTTPException(
status_code=status.HTTP_403_FORBIDDEN,
detail="Default roles can only be deleted by superadmins.",
)
active_modules = (
db.query(ModuleAccess.module_id)
.join(RoleModuleAccess, RoleModuleAccess.module_access_id == ModuleAccess.id)
.filter(RoleModuleAccess.role_id == role.id)
.distinct()
.all()
)
if active_modules:
module_ids = [m[0] for m in active_modules]
env_map = {}
if role.tenant_id:
tm_assignments = db.query(TenantModule).filter(
TenantModule.tenant_id == role.tenant_id,
TenantModule.module_id.in_(module_ids)
).all()
for tm in tm_assignments:
env_map[str(tm.module_id)] = tm.assigned_environment_slug or "prod"
targets = []
for m in active_modules:
mid = str(m[0])
env_slug = env_map.get(mid, "prod")
targets.append({"module_id": mid, "environment_slug": env_slug})
if targets:
provisioning_id = str(uuid.uuid4())
payload = {
"role_id": str(role.id),
"tenant_id": str(role.tenant_id) if role.tenant_id else None,
"provisioning_id": provisioning_id,
"targets": targets
}
logger.info(f"ROLE_DEPROVISION_REQUESTED Payload: {json.dumps(payload, default=str)}")
EventService.emit_event(
db,
event_type="ROLE_DEPROVISION_REQUESTED",
payload=payload,
tenant_id=role.tenant_id
)
db.delete(role)
db.commit()
return {"message": "Role deleted successfully"}
@staticmethod
def get_roles_paginated(
db: Session,
tenant_id: Optional[uuid.UUID] = None,
page: int = 1,
page_size: int = 10,
search: Optional[str] = None,
) -> RolePaginatedResponse:
query = db.query(Role)
if tenant_id is not None:
query = query.filter(Role.tenant_id == tenant_id)
if search and search.strip():
search_term = search.strip()
query = query.filter(
or_(
Role.role_name.ilike(f"%{search_term}%"),
cast(Role.id, String).ilike(f"%{search_term}%"),
)
)
total = query.count()
offset = (page - 1) * page_size
roles = query.offset(offset).limit(page_size).all()
total_pages = (total + page_size - 1) // page_size if total > 0 else 0
return RolePaginatedResponse(
items=[RoleResponse.model_validate(role) for role in roles],
total=total,
page=page,
page_size=page_size,
total_pages=total_pages,
)