Refactor users creating separate classes, service and repository

bot.py

@@ -1,27 +1,27 @@
 from telegram.ext import Application, CommandHandler, MessageHandler, CallbackQueryHandler
 from functools import partial
 from config import BotConfig
-from models import Users
-from services import GatesService, AVConnectService
-from repository import GatesRepository
+from services import GatesService, AVConnectService, UsersService
+from repository import GatesRepository, UsersRepository
 from handlers import *
 
 bot_config = BotConfig("lagomareGateKeeperBot")
 gates_repository = GatesRepository()
 avconnect_service = AVConnectService()
 gates_service = GatesService(gates_repository, avconnect_service)
-users = Users()
+users_repository = UsersRepository()
+users_service = UsersService(users_repository)
 
 def main():
     app = Application.builder().token(bot_config.token).post_init(partial(post_init, bot_config=bot_config)).build()
-    app.add_handler(MessageHandler(None, partial(updateuser, users=users)), group=1)
-    app.add_handler(CommandHandler("start", partial(start, users=users)))
-    app.add_handler(CommandHandler("setcredentials", partial(setcredentials, users=users)))
-    app.add_handler(CommandHandler("opengate", partial(opengate, users=users, gates=gates_service)))
-    app.add_handler(CommandHandler("requestaccess", partial(requestaccess, users=users)))
-    app.add_handler(CommandHandler("grantaccess", partial(grantaccess, users=users)))
-    app.add_handler(CallbackQueryHandler(partial(handle_main_menu_callback, users=users, gates=gates_service), pattern="^(open_gate_menu|request_access)$"))
-    app.add_handler(CallbackQueryHandler(partial(handle_gate_open_callback, users=users, gates=gates_service), pattern="^opengate_"))
+    # app.add_handler(MessageHandler(None, partial(handle_message, users=users_service)), group=1)
+    app.add_handler(CommandHandler("start", partial(start, users=users_service)))
+    app.add_handler(CommandHandler("setcredentials", partial(setcredentials, users=users_service)))
+    app.add_handler(CommandHandler("opengate", partial(opengate, users=users_service, gates=gates_service)))
+    app.add_handler(CommandHandler("requestaccess", partial(requestaccess, users=users_service)))
+    app.add_handler(CommandHandler("grantaccess", partial(grantaccess, users=users_service)))
+    app.add_handler(CallbackQueryHandler(partial(handle_main_menu_callback, users=users_service, gates=gates_service), pattern="^(open_gate_menu|request_access)$"))
+    app.add_handler(CallbackQueryHandler(partial(handle_gate_open_callback, users=users_service, gates=gates_service), pattern="^opengate_"))
     app.run_polling()
 
 if __name__ == "__main__":

src/handlers/__init__.py

@@ -2,7 +2,7 @@ from .access import requestaccess, grantaccess
 from .credentials import setcredentials
 from .gates import opengate, open_gate_menu, handle_gate_open_callback
 from .main import handle_main_menu_callback, post_init, start
-from .users import updateuser
+from .users import handle_message
 
 __all__ = [
     "grantaccess",
@@ -14,5 +14,5 @@ __all__ = [
     "requestaccess",
     "setcredentials",
     "start",
-    "updateuser"
+    "handle_message"
 ]

src/handlers/gates.py

@@ -1,9 +1,8 @@
 from telegram import Update, InlineKeyboardButton, InlineKeyboardMarkup
 from telegram.ext import ContextTypes
-from models import Users, Role
-from services import GatesService
+from services import GatesService, UsersService
 
-async def opengate(update: Update, context: ContextTypes.DEFAULT_TYPE, users: Users, gates_service: GatesService):
+async def opengate(update: Update, context: ContextTypes.DEFAULT_TYPE, gates_service: GatesService):
     assert update.effective_user is not None
     assert update.message is not None
 
@@ -13,37 +12,15 @@ async def opengate(update: Update, context: ContextTypes.DEFAULT_TYPE, users: Us
         return await update.message.reply_text("Usage: `/opengate <gate>`")
     gate = args[0]
     gate_name = gates_service.get_name(gate)
-    role = users.get_role(user_id)
-    if role in (Role.ADMIN, Role.MEMBER):
-        creds = users.get_credentials(user_id)
-        if not creds:
-            return await update.message.reply_text("Please set your credentials with `/setcredentials` first")
-    elif role == Role.GUEST and users.can_open_gate(user_id, gate):
-        grantor = users.get_grantor(user_id, gate)
-        assert grantor is not None
-
-        creds = users.get_credentials(grantor)
-        if not grantor:
-            return await update.message.reply_text("No valid grantor available.")
-        if not creds:
-            return await update.message.reply_text("No valid grantor credentials available.")
-        users.update_grant_last_used(user_id, gate)
-        try:
-            await context.bot.send_message(chat_id=grantor, text=f"Guest {user_id} opened {gate_name}")
-        except Exception as e:
-            print(f"Failed to notify {grantor} that guest {user_id} opened {gate_name}: {e}")
-    else:
-        return await update.message.reply_text("Access denied.")
-
-    if gates_service.open_gate(gate, creds):
+    if gates_service.open_gate(gate, user_id):
         return await update.message.reply_text(f"Gate {gate_name} opened!")
     await update.message.reply_text(f"ERROR: Cannot open gate {gate_name}")
 
-async def open_gate_menu(update: Update, context: ContextTypes.DEFAULT_TYPE, users: Users, gates: Gates):
+async def open_gate_menu(update: Update, context: ContextTypes.DEFAULT_TYPE, users_service: UsersService, gates: Gates):
     assert update.effective_user is not None
 
     user_id = str(update.effective_user.id)
-    granted_gates = users.get_granted_gates(user_id)
+    granted_gates = users_service.get_granted_gates(user_id)
     if not granted_gates:
         if update.callback_query:
             await update.callback_query.answer("You have no gates to open.")

src/handlers/main.py

@@ -1,9 +1,11 @@
 from telegram import Update, InlineKeyboardButton, InlineKeyboardMarkup
 from telegram.ext import Application, ContextTypes
+
+from models import Role
 from .gates import open_gate_menu
 from .access import requestaccess
-from models import Gates, Users, Role
 from config import BotConfig
+from services import UsersService
 
 async def post_init(application: Application, bot_config: BotConfig) -> None:
     await application.bot.set_my_name(bot_config.name)
@@ -11,17 +13,18 @@ async def post_init(application: Application, bot_config: BotConfig) -> None:
     await application.bot.set_my_short_description(bot_config.short_description)
     await application.bot.set_my_commands(bot_config.commands)
 
-async def start(update: Update, context: ContextTypes.DEFAULT_TYPE, users: Users):
+async def start(update: Update, context: ContextTypes.DEFAULT_TYPE, users_service: UsersService):
     assert update.effective_user is not None
     assert update.message is not None
 
     user_id = str(update.effective_user.id)
-    role = users.get_role(user_id)
+    user = users_service.add_user(user_id)
+    role = user.role
     keyboard = []
 
     if role == Role.GUEST:
         # Guests: can request access, or open a gate if granted
-        if users.has_grants(user_id):
+        if users_service.has_grants(user_id):
             keyboard.append([InlineKeyboardButton("Open Gate", callback_data="open_gate_menu")])
         keyboard.append([InlineKeyboardButton("Request Access", callback_data="request_access")])
     elif role == Role.MEMBER:

src/handlers/users.py

@@ -1,11 +1,9 @@
 from telegram import Update
 from telegram.ext import ContextTypes
-from models import Users
+from services import UsersService
 
-async def updateuser(update: Update, context: ContextTypes.DEFAULT_TYPE, users: Users):
+async def handle_message(update: Update, context: ContextTypes.DEFAULT_TYPE, users_service: UsersService):
     assert update.effective_user is not None
     
     user_id = str(update.effective_user.id)
-    username = update.effective_user.username
-    fullname = update.effective_user.full_name
-    users.update_user(user_id, username, fullname)
+    users_service.add_user(user_id)

src/models/__init__.py

@@ -1,12 +1,15 @@
 from .credential import Credential
 from .gate import Gate
 from .status import Status
-from .users import Users, Role
+from .user import User
+from .grant import Grant
+from .role import Role
 
 __all__ = [
     "Credential",
     "Gate",
     "Status",
-    "Users",
-    "Role"
+    "User",
+    "Role",
+    "Grant"
 ]

src/models/grant.py

@@ -0,0 +1,38 @@
+from datetime import datetime, timezone
+
+from models import Status
+
+
+class Grant:
+    def __init__(
+            self,
+            grantor: str,
+            expires_at: datetime,
+            granted_at: datetime | None = None,
+            last_used_at: datetime | None = None,
+            status: Status = Status.ENABLED
+    ):
+        self.grantor = grantor
+        self.granted_at = granted_at or datetime.now(timezone.utc)
+        self.expires_at = expires_at
+        self.last_used_at = last_used_at
+        self.status = status
+
+    def to_dict(self) -> dict:
+        return {
+            "grantor": self.grantor,
+            "granted_at": self.granted_at.isoformat(),
+            "expires_at": self.expires_at.isoformat(),
+            "last_used_at": self.last_used_at.isoformat() if self.last_used_at else None,
+            "status": self.status.value
+        }
+
+    @classmethod
+    def from_dict(cls, data: dict):
+        return cls(
+            grantor=data.get("grantor", ""),
+            expires_at=datetime.fromisoformat(data["expires_at"].replace("Z", "+00:00")),
+            granted_at=datetime.fromisoformat(data["granted_at"].replace("Z", "+00:00")) if data.get("granted_at") else None,
+            last_used_at=datetime.fromisoformat(data["last_used_at"].replace("Z", "+00:00")) if data.get("last_used_at") else None,
+            status=Status(data.get("status", Status.ENABLED))
+        )

src/models/role.py

@@ -0,0 +1,6 @@
+from enum import Enum
+
+class Role(Enum):
+    ADMIN = "admin"
+    MEMBER = "member"
+    GUEST = "guest"

src/models/user.py

@@ -0,0 +1,42 @@
+from enum import Enum
+
+from . import Grant
+from .role import Role
+from .status import Status
+from .credential import Credential
+
+class User:
+    def __init__(
+        self,
+        id: str,
+        role: Role = Role.GUEST,
+        credentials: Credential | None = None,
+        grants: dict[str, Grant] | None = None,
+        status: Status = Status.ENABLED
+    ):
+        self.id = id
+        self.role = role if isinstance(role, Role) else Role(role)
+        self.credentials = credentials or Credential("", "")
+        self.grants = grants or {}
+        self.status = status if isinstance(status, Status) else Status(status)
+
+    def to_dict(self) -> dict:
+        return {
+            "id": self.id,
+            "role": self.role.value,
+            "credentials": self.credentials.to_dict(),
+            "grants": {gate: grant.to_dict() for gate, grant in self.grants.items()},
+            "status": self.status.value
+        }
+
+    @classmethod
+    def from_dict(cls, id: str, data: dict):
+        credentials = Credential.from_dict(data.get("credentials", {}))
+        grants = {gate: Grant.from_dict(grant) for gate, grant in data.get("grants", {}).items()}
+        return cls(
+            id=id,
+            role=Role(data.get("role", Role.GUEST)),
+            credentials=credentials,
+            grants=grants,
+            status=Status(data.get("status", Status.ENABLED))
+        )

src/models/users.py

@@ -1,208 +0,0 @@
-import json
-from enum import Enum
-from datetime import datetime, timezone
-from .status import Status
-from .credential import Credential
-
-class Role(Enum):
-    ADMIN = "admin"
-    MEMBER = "member"
-    GUEST = "guest"
-
-class Grant:
-    def __init__(
-        self,
-        grantor: str,
-        expires_at: datetime,
-        granted_at: datetime | None = None,
-        last_used_at: datetime | None = None,
-        status: Status = Status.ENABLED
-    ):
-        self.grantor = grantor
-        self.granted_at = granted_at or datetime.now(timezone.utc)
-        self.expires_at = expires_at
-        self.last_used_at = last_used_at
-        self.status = status
-
-    def to_dict(self) -> dict:
-        return {
-            "grantor": self.grantor,
-            "granted_at": self.granted_at.isoformat(),
-            "expires_at": self.expires_at.isoformat(),
-            "last_used_at": self.last_used_at.isoformat() if self.last_used_at else None,
-            "status": self.status.value
-        }
-
-    @classmethod
-    def from_dict(cls, data: dict):
-        return cls(
-            grantor=data.get("grantor", ""),
-            expires_at=datetime.fromisoformat(data["expires_at"].replace("Z", "+00:00")),
-            granted_at=datetime.fromisoformat(data["granted_at"].replace("Z", "+00:00")) if data.get("granted_at") else None,
-            last_used_at=datetime.fromisoformat(data["last_used_at"].replace("Z", "+00:00")) if data.get("last_used_at") else None,
-            status=Status(data.get("status", Status.ENABLED))
-        )
-
-class User:
-    def __init__(
-        self,
-        id: str,
-        username: str,
-        fullname: str,
-        role: Role = Role.GUEST,
-        credentials: Credential | None = None,
-        grants: dict[str, Grant] | None = None,
-        status: Status = Status.ENABLED
-    ):
-        self.id = id
-        self.username = username
-        self.fullname = fullname
-        self.role = role if isinstance(role, Role) else Role(role)
-        self.credentials = credentials or Credential("", "")
-        self.grants = grants or {}
-        self.status = status if isinstance(status, Status) else Status(status)
-
-    def to_dict(self) -> dict:
-        return {
-            "id": self.id,
-            "username": self.username,
-            "fullname": self.fullname,
-            "role": self.role.value,
-            "credentials": self.credentials.to_dict(),
-            "grants": {gate: grant.to_dict() for gate, grant in self.grants.items()},
-            "status": self.status.value
-        }
-
-    @classmethod
-    def from_dict(cls, id: str, data: dict):
-        credentials = Credential.from_dict(data.get("credentials", {}))
-        grants = {gate: Grant.from_dict(grant) for gate, grant in data.get("grants", {}).items()}
-        return cls(
-            id=id,
-            username=data.get("username", ""),
-            fullname=data.get("fullname", ""),
-            role=Role(data.get("role", Role.GUEST)),
-            credentials=credentials,
-            grants=grants,
-            status=Status(data.get("status", Status.ENABLED))
-        )
-
-class Users:
-    def __init__(self, json_path: str = "./data/users.json"):
-        self._json_path = json_path
-        self._users: dict[str, User] = self._load_users()
-
-    def _load_users(self) -> dict[str, User]:
-        try:
-            with open(self._json_path, "r") as f:
-                data = json.load(f)
-            return {uid: User.from_dict(uid, info) for uid, info in data.items()}
-        except Exception:
-            return {}
-
-    def _save_users(self) -> None:
-        with open(self._json_path, "w") as f:
-            json.dump({uid: user.to_dict() for uid, user in self._users.items()}, f, indent=2)
-
-    def update_user(self, id: str, username: str | None, fullname: str | None) -> bool:
-        if not id or not username or not fullname:
-            return False
-        if id in self._users:
-            self._users[id].username = username
-            self._users[id].fullname = fullname
-        else:
-            self._users[id] = User(id, username, fullname)
-        self._save_users()
-        return True
-
-    def get_username(self, id: str) -> str | None:
-        return self._users[id].username if id in self._users else None
-
-    def get_fullname(self, id: str) -> str | None:
-        return self._users[id].fullname if id in self._users else None
-
-    def get_status(self, id: str) -> Status:
-        return self._users[id].status if id in self._users else Status.DISABLED
-
-    def get_role(self, id: str) -> Role:
-        return self._users[id].role if id in self._users else Role.GUEST
-
-    def get_credentials(self, id: str) -> Credential | None:
-        return self._users[id].credentials if id in self._users else None
-
-    def set_credentials(self, id: str, credentials: Credential) -> bool:
-        if id in self._users:
-            self._users[id].credentials = credentials
-            self._save_users()
-            return True
-        return False
-
-    def can_open_gate(self, id: str, gate: str) -> bool:
-        user = self._users.get(id)
-        if not user or user.status != Status.ENABLED:
-            return False
-        if user.role == Role.ADMIN or user.role == Role.MEMBER:
-            return True
-        grant = user.grants.get(gate)
-        if not grant or grant.status != Status.ENABLED:
-            return False
-        if grant.expires_at <= datetime.now(timezone.utc):
-            return False
-        return True
-
-    def has_grants(self, id: str) -> bool:
-        user = self._users.get(id)
-        if not user or user.status != Status.ENABLED:
-            return False
-        if user.role == Role.ADMIN or user.role == Role.MEMBER:
-            return True
-        return any(grant.status == Status.ENABLED and grant.expires_at > datetime.now(timezone.utc) for grant in user.grants.values())
-
-    def get_grantor(self, id: str, gate: str) -> str | None:
-        user = self._users.get(id)
-        if not user:
-            return None
-        grant = user.grants.get(gate)
-        return grant.grantor if grant else None
-
-    def get_admins(self) -> list[str]:
-        return [uid for uid, user in self._users.items() if user.role == Role.ADMIN]
-
-    def grant_access(self, id: str, gate: str, expires_at: datetime, grantor_id: str) -> bool:
-        user = self._users.get(id)
-        if not user:
-            return False
-        user.grants[gate] = Grant(grantor_id, expires_at)
-        self._save_users()
-        return True
-
-    def revoke_access(self, id: str, gate: str) -> bool:
-        user = self._users.get(id)
-        if not user:
-            return False
-        if gate in user.grants:
-            del user.grants[gate]
-            self._save_users()
-            return True
-        return False
-
-    def update_grant_last_used(self, user_id: str, gate: str) -> bool:
-        user = self._users.get(user_id)
-        if not user:
-            return False
-        grant = user.grants.get(gate)
-        if not grant:
-            return False
-        grant.last_used_at = datetime.now(timezone.utc)
-        self._save_users()
-        return True
-
-    def get_granted_gates(self, user_id: str) -> list[str]:
-        user = self._users.get(user_id)
-        if not user:
-            return []
-        if user.role == Role.ADMIN or user.role == Role.MEMBER:
-            return ['all']
-        if 'all' in user.grants and user.grants['all'].status == Status.ENABLED and user.grants['all'].expires_at > datetime.now(timezone.utc):
-            return ['all']
-        return [gate for gate, grant in user.grants.items() if grant.status == Status.ENABLED and grant.expires_at > datetime.now(timezone.utc)]

src/repository/__init__.py

@@ -1,5 +1,7 @@
 from .gates_repository import GatesRepository
+from .users_repository import UsersRepository
 
 __all__ = [
-    "GatesRepository"
+    "GatesRepository",
+    "UsersRepository",
 ]

src/repository/users_repository.py

@@ -0,0 +1,33 @@
+import json
+from models import User
+
+class UsersRepository:
+    def __init__(self, json_path: str = "./data/users.json"):
+        self._json_path = json_path
+        self._users: dict[str, User] = self._load_users()
+
+    def _load_users(self) -> dict[str, User]:
+        try:
+            with open(self._json_path, "r") as f:
+                data = json.load(f)
+            return {uid: User.from_dict(uid, info) for uid, info in data.items()}
+        except Exception:
+            return {}
+
+    def save(self, uid: str, user: User) -> None:
+        self._users[uid] = user
+        self._dump_users()
+
+    def _dump_users(self) -> None:
+        with open(self._json_path, "w") as f:
+            json.dump({uid: user.to_dict() for uid, user in self._users.items()}, f, indent=2)
+
+    def delete(self, user: User) -> None:
+        del self._users[user.id]
+        self._dump_users()
+
+    def get_by_uid(self, uid: str) -> User | None:
+        return self._users.get(uid)
+
+    def get_all(self) -> list[User]:
+        return list(self._users.values())

src/services/__init__.py

@@ -1,7 +1,9 @@
 from .avconnect_service import AVConnectService
 from .gates_service import GatesService
+from .users_service import UsersService
 
 __all__ = [
     "AVConnectService",
-    "GatesService"
+    "GatesService",
+    "UsersService"
 ]

src/services/gates_service.py

@@ -1,23 +1,22 @@
 from models import Credential, Status
 from repository import GatesRepository
-from services import AVConnectService
+from services import AVConnectService, UsersService
+
 
 class GatesService:
 
-    def __init__(self, gate_repository: GatesRepository, avconnect_service: AVConnectService):
-        self.gate_repository = gate_repository
-        self.avconnect_service = avconnect_service
+    def __init__(self, gate_repository: GatesRepository, avconnect_service: AVConnectService, user_service: UsersService):
+        self._gate_repository = gate_repository
+        self._avconnect_service = avconnect_service
+        self._user_service = user_service
 
-    def open_gate(self, gate_key: str, credentials: Credential) -> bool:
-        gate = self.gate_repository.get_by_key(gate_key)
+    def open_gate(self, gate_key: str, uid: str) -> bool:
+        gate = self._gate_repository.get_by_key(gate_key)
         if not gate or gate.status == Status.DISABLED:
             return False
-        try:
-            return self.avconnect_service.open_gate_by_id(gate.id, credentials)
-        except Exception as e:
-            print(f"Failed to open gate {gate.name}: {e}")
-            return False
+        credentials = self._user_service.get_credentials(uid, gate_key)
+        return self._avconnect_service.open_gate_by_id(gate.id, credentials)
 
     def get_name(self, gate_key: str) -> str | None:
-        gate = self.gate_repository.get_by_key(gate_key)
+        gate = self._gate_repository.get_by_key(gate_key)
         return gate.name if gate else None

src/services/users_service.py

@@ -0,0 +1,125 @@
+from datetime import datetime, timezone
+
+from models import Status, Role, Credential, Grant, User
+from repository import UsersRepository
+
+
+class UsersService:
+
+    def __init__(self, users_repository: UsersRepository):
+        self._users_repository = users_repository
+
+    def add_user(self, uid: str) -> User:
+        user = self._users_repository.get_by_uid(uid)
+        if not user:
+            user = User(uid)
+            self._users_repository.save(uid, user)
+        return user
+
+    def get_user(self, uid: str) -> User:
+        user = self._users_repository.get_by_uid(uid)
+        if not user:
+            raise Exception("User not found")
+        return user
+
+    def get_role(self, uid: str) -> Role:
+        return self.get_user(uid).role
+
+    def get_credentials(self, uid: str, gate_key: str) -> Credential | None:
+        user = self._users_repository.get_by_uid(uid)
+        if user.role in (Role.ADMIN, Role.MEMBER):
+            creds = user.credentials
+            if not creds:
+                raise Exception("Please set your credentials with `/setcredentials` first")
+        elif user.role == Role.GUEST and self.can_open_gate(uid, gate_key):
+            grantor = self.get_grantor(user, gate_key)
+            if not grantor:
+                raise Exception("No valid grantor available.")
+            creds = grantor.credentials
+            if not creds:
+                raise Exception("No valid grantor credentials available.")
+            self.update_grant_last_used(uid, gate_key)
+            # try:
+            #     await context.bot.send_message(chat_id=grantor, text=f"Guest {uid} opened {gate_name}")
+            # except Exception as e:
+            #     print(f"Failed to notify {grantor} that guest {uid} opened {gate_name}: {e}")
+        else:
+            raise Exception("Access denied.")
+
+    def set_credentials(self, uid: str, credentials: Credential) -> bool:
+        user = self._users_repository.get_by_uid(uid)
+        if user:
+            user.credentials = credentials
+            self._users_repository.save(uid, user)
+            return True
+        return False
+
+    def can_open_gate(self, uid: str, gate_key: str) -> bool:
+        user = self._users_repository.get_by_uid(uid)
+        if not user or user.status != Status.ENABLED:
+            return False
+        if user.role == Role.ADMIN or user.role == Role.MEMBER:
+            return True
+        grant = user.grants.get(gate_key)
+        if not grant or grant.status != Status.ENABLED:
+            return False
+        if grant.expires_at <= datetime.now(timezone.utc):
+            return False
+        return True
+
+    def has_grants(self, uid: str) -> bool:
+        user = self._users_repository.get_by_uid(uid)
+        if not user or user.status != Status.ENABLED:
+            return False
+        if user.role == Role.ADMIN or user.role == Role.MEMBER:
+            return True
+        return any(grant.status == Status.ENABLED and grant.expires_at > datetime.now(timezone.utc) for grant in
+                   user.grants.values())
+
+    def get_grantor(self, user: User, gate: str) -> User | None:
+        grant = user.grants.get(gate)
+        return self._users_repository.get_by_uid(grant.grantor) if grant else None
+
+    def get_admins(self) -> list[str]:
+        return [user.id for user in self._users_repository.get_all() if user.role == Role.ADMIN]
+
+    def grant_access(self, uid: str, gate: str, expires_at: datetime, grantor_id: str) -> bool:
+        user = self._users_repository.get_by_uid(uid)
+        if not user:
+            return False
+        user.grants[gate] = Grant(grantor_id, expires_at)
+        self._users_repository.save(uid, user)
+        return True
+
+    def revoke_access(self, uid: str, gate: str) -> bool:
+        user = self._users_repository.get_by_uid(uid)
+        if not user:
+            return False
+        if gate in user.grants:
+            del user.grants[gate]
+            self._users_repository.save(uid, user)
+            return True
+        return False
+
+    def update_grant_last_used(self, uid: str, gate_key: str) -> bool:
+        user = self._users_repository.get_by_uid(uid)
+        if not user:
+            return False
+        grant = user.grants.get(gate_key)
+        if not grant:
+            return False
+        grant.last_used_at = datetime.now(timezone.utc)
+        self._users_repository.save(uid, user)
+        return True
+
+    def get_granted_gates(self, uid: str) -> list[str]:
+        user = self._users_repository.get_by_uid(uid)
+        if not user:
+            return []
+        if user.role == Role.ADMIN or user.role == Role.MEMBER:
+            return ['all']
+        if 'all' in user.grants and user.grants['all'].status == Status.ENABLED and user.grants[
+            'all'].expires_at > datetime.now(timezone.utc):
+            return ['all']
+        return [gate for gate, grant in user.grants.items() if
+                grant.status == Status.ENABLED and grant.expires_at > datetime.now(timezone.utc)]

tests/resources/mock_users.json

@@ -0,0 +1,13 @@
+{
+  "12345": {
+    "id": "12345",
+    "username": "Pippo",
+    "fullname": "Pippo Franco",
+    "role": "admin",
+    "credentials": {
+      "username": "pippo.franco",
+      "password": "pippo12345"
+    },
+    "status": 1
+  }
+}