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API Gateway for handling all backend requests with user confirmation
"""
import logging
from typing import Dict, List, Optional, Any
from dataclasses import dataclass
from datetime import datetime
import uuid
logger = logging.getLogger(__name__)
@dataclass
class ConfirmationRequest:
"""Represents a pending action awaiting user confirmation"""
confirmation_id: str
user_id: str
action_type: str
action_details: Dict[str, Any]
created_at: datetime
expires_at: datetime
status: str # pending, confirmed, denied, expired
class APIGateway:
"""
Central gateway for all API requests from agents to backend services.
Handles authentication, authorization, and user confirmation flows.
"""
def __init__(self):
# TODO: Initialize connection to backend services
# TODO: Set up authentication mechanism
# TODO: Configure rate limiting
self.pending_confirmations: Dict[str, ConfirmationRequest] = {}
def authenticate(self, user_id: str, session_token: str) -> bool:
"""
Authenticate user request
Args:
user_id: User identifier
session_token: Session authentication token
Returns:
bool: True if authenticated
TODO: Implement actual authentication logic
TODO: Validate session tokens
TODO: Check user permissions
"""
raise NotImplementedError("Authentication not implemented")
def authorize(self, user_id: str, action: str, resource: str) -> bool:
"""
Check if user is authorized to perform action on resource
Args:
user_id: User identifier
action: Action to perform (create, read, update, delete)
resource: Resource type (network, subscriber, policy, etc.)
Returns:
bool: True if authorized
TODO: Implement RBAC (Role-Based Access Control)
TODO: Check tenant boundaries
TODO: Validate resource ownership
"""
raise NotImplementedError("Authorization not implemented")
def request_confirmation(self, user_id: str, action_type: str,
action_details: Dict[str, Any]) -> str:
"""
Create a confirmation request for user action
Args:
user_id: User requesting the action
action_type: Type of action (e.g., 'network_configure', 'subscriber_create')
action_details: Details of the action to be performed
Returns:
str: Confirmation ID for tracking
TODO: Store confirmation request
TODO: Set appropriate expiration time
TODO: Send notification to user
"""
raise NotImplementedError("Confirmation request not implemented")
def get_confirmation_status(self, confirmation_id: str) -> Optional[ConfirmationRequest]:
"""
Get status of a confirmation request
Args:
confirmation_id: ID of the confirmation request
Returns:
ConfirmationRequest or None if not found
TODO: Retrieve from storage
TODO: Check expiration
"""
raise NotImplementedError("Get confirmation status not implemented")
def confirm_action(self, confirmation_id: str, user_id: str, confirmed: bool) -> bool:
"""
Confirm or deny a pending action
Args:
confirmation_id: ID of the confirmation request
user_id: User confirming (must match requester)
confirmed: True to confirm, False to deny
Returns:
bool: Success status
TODO: Validate confirmation exists
TODO: Verify user matches requester
TODO: Update confirmation status
"""
raise NotImplementedError("Confirm action not implemented")
def execute_action(self, confirmation_id: str) -> Dict[str, Any]:
"""
Execute a confirmed action
Args:
confirmation_id: ID of confirmed action
Returns:
dict: Result of the action execution
TODO: Verify action is confirmed
TODO: Route to appropriate backend service
TODO: Handle errors and rollback if needed
"""
raise NotImplementedError("Execute action not implemented")
# Network Configuration APIs
def configure_network(self, config: Dict[str, Any], user_id: str) -> str:
"""
Configure network settings (NAT, VLAN, etc.)
Args:
config: Network configuration details
user_id: User making the request
Returns:
str: Confirmation ID
TODO: Validate network configuration
TODO: Check for conflicts
TODO: Create confirmation request
"""
raise NotImplementedError("Network configuration not implemented")
def bulk_configure_networks(self, configs: List[Dict[str, Any]], user_id: str) -> str:
"""
Configure multiple network settings in bulk
Args:
configs: List of network configurations
user_id: User making the request
Returns:
str: Confirmation ID for bulk operation
TODO: Validate all configurations
TODO: Check resource limits
TODO: Create bulk confirmation request
"""
raise NotImplementedError("Bulk network configuration not implemented")
# Subscriber Management APIs
def create_subscriber(self, imsi: str, config: Dict[str, Any], user_id: str) -> str:
"""
Create a single subscriber
Args:
imsi: IMSI of the subscriber
config: Subscriber configuration
user_id: User making the request
Returns:
str: Confirmation ID
TODO: Validate IMSI format
TODO: Check if IMSI already exists
TODO: Validate configuration
"""
raise NotImplementedError("Create subscriber not implemented")
def bulk_create_subscribers(self, subscribers: List[Dict[str, Any]], user_id: str) -> str:
"""
Create multiple subscribers in bulk
Args:
subscribers: List of subscriber configurations
user_id: User making the request
Returns:
str: Confirmation ID for bulk operation
TODO: Validate all IMSIs
TODO: Check for duplicates
TODO: Validate bulk limits
"""
raise NotImplementedError("Bulk create subscribers not implemented")
def import_subscribers_csv(self, csv_data: str, template_id: Optional[str], user_id: str) -> str:
"""
Import subscribers from CSV data
Args:
csv_data: CSV content with subscriber data
template_id: Optional template to apply
user_id: User making the request
Returns:
str: Confirmation ID
TODO: Parse CSV data
TODO: Validate CSV format
TODO: Apply template if provided
"""
raise NotImplementedError("CSV import not implemented")
# System Query APIs (Read-only, no confirmation needed)
def query_system_status(self, query: Dict[str, Any], user_id: str) -> Dict[str, Any]:
"""
Query system status and metrics (read-only)
Args:
query: Query parameters
user_id: User making the request
Returns:
dict: Query results
TODO: Route to appropriate backend
TODO: Apply user filters/permissions
TODO: Format response
"""
raise NotImplementedError("System query not implemented")
def get_analytics(self, metric_type: str, time_range: Dict[str, Any], user_id: str) -> Dict[str, Any]:
"""
Get analytics and insights (read-only)
Args:
metric_type: Type of metric to retrieve
time_range: Time range for analytics
user_id: User making the request
Returns:
dict: Analytics data
TODO: Fetch metrics from backend
TODO: Apply aggregations
TODO: Generate insights
"""
raise NotImplementedError("Analytics not implemented")
# Policy & DNN APIs
def create_dnn(self, dnn_config: Dict[str, Any], user_id: str) -> str:
"""
Create a new DNN configuration
Args:
dnn_config: DNN configuration details
user_id: User making the request
Returns:
str: Confirmation ID
TODO: Validate DNN parameters
TODO: Check for naming conflicts
TODO: Create confirmation request
"""
raise NotImplementedError("Create DNN not implemented")
def update_policy(self, policy_id: str, updates: Dict[str, Any], user_id: str) -> str:
"""
Update policy configuration
Args:
policy_id: ID of policy to update
updates: Policy updates
user_id: User making the request
Returns:
str: Confirmation ID
TODO: Validate policy exists
TODO: Validate update parameters
TODO: Check impact analysis
"""
raise NotImplementedError("Update policy not implemented")
def apply_policy_template(self, template_id: str, target_subscribers: List[str], user_id: str) -> str:
"""
Apply policy template to multiple subscribers
Args:
template_id: ID of policy template
target_subscribers: List of subscriber IMSIs
user_id: User making the request
Returns:
str: Confirmation ID
TODO: Validate template exists
TODO: Validate all subscribers exist
TODO: Create bulk update request
"""
raise NotImplementedError("Apply policy template not implemented") |