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* Notification API Client
*
* Story BAT-7 - Notifications API Consolidation
*
* HTTP client for Notification Service APIs (Event Management Service)
* Features:
* - Fetch notifications for organizers
* - Mark notifications as read
* - Delete notifications
* - Get unread count
* - EventBridge-triggered notifications
*/
import apiClient from '@/services/api/apiClient';
import { AxiosError } from 'axios';
import type {
NotificationsResponse,
NotificationCountResponse,
NotificationFilters,
MarkAsReadResponse,
DeleteNotificationResponse,
} from '@/types/notification';
// API base path for notification endpoints
const NOTIFICATION_API_PATH = '/notifications';
/**
* Notification API Client Class
*
* Handles all HTTP requests to the Notification APIs
*/
class NotificationApiClient {
/**
* Get paginated list of notifications with optional filters
*/
async getNotifications(
filters: NotificationFilters,
pagination: { page?: number; limit?: number } = {}
): Promise<NotificationsResponse> {
try {
const params = new URLSearchParams();
params.append('username', filters.username);
params.append('page', (pagination.page || 1).toString());
params.append('limit', (pagination.limit || 20).toString());
if (filters.status) {
params.append('status', filters.status);
}
if (filters.eventCode) {
params.append('eventCode', filters.eventCode);
}
const response = await apiClient.get<NotificationsResponse>(
`${NOTIFICATION_API_PATH}?${params.toString()}`
);
// Enhance notifications with computed properties and UI aliases
const enhancedData = response.data.data.map((notification) => ({
...notification,
isRead: notification.status === 'READ',
actionUrl: notification.eventCode
? `/organizer/events/${notification.eventCode}`
: undefined,
// UI aliases for backward compatibility
title: notification.subject,
message: notification.body,
timestamp: notification.createdAt,
}));
return {
...response.data,
data: enhancedData,
};
} catch (error) {
throw this.transformError(error);
}
}
/**
* Get unread notification count for user
*/
async getUnreadCount(username: string): Promise<number> {
try {
const params = new URLSearchParams();
params.append('username', username);
params.append('status', 'UNREAD'); // In-app notifications have status UNREAD
const response = await apiClient.get<NotificationCountResponse>(
`${NOTIFICATION_API_PATH}/count?${params.toString()}`
);
return response.data.count;
} catch (error) {
throw this.transformError(error);
}
}
/**
* Mark a single notification as read
*/
async markAsRead(notificationId: string): Promise<MarkAsReadResponse> {
try {
const response = await apiClient.put<MarkAsReadResponse>(
`${NOTIFICATION_API_PATH}/${notificationId}/read`
);
return response.data;
} catch (error) {
throw this.transformError(error);
}
}
/**
* Mark multiple notifications as read (batch)
*/
async batchMarkAsRead(notificationIds: string[]): Promise<MarkAsReadResponse> {
try {
const response = await apiClient.put<MarkAsReadResponse>(
`${NOTIFICATION_API_PATH}/batch-read`,
{ notificationIds }
);
return response.data;
} catch (error) {
throw this.transformError(error);
}
}
/**
* Delete a notification
*/
async deleteNotification(notificationId: string): Promise<DeleteNotificationResponse> {
try {
const response = await apiClient.delete<DeleteNotificationResponse>(
`${NOTIFICATION_API_PATH}/${notificationId}`
);
return response.data;
} catch (error) {
throw this.transformError(error);
}
}
/**
* Delete multiple notifications (batch)
*/
async batchDelete(notificationIds: string[]): Promise<DeleteNotificationResponse> {
try {
const response = await apiClient.delete<DeleteNotificationResponse>(
`${NOTIFICATION_API_PATH}/batch-delete`,
{ data: { notificationIds } }
);
return response.data;
} catch (error) {
throw this.transformError(error);
}
}
/**
* Transform API errors into user-friendly messages
*/
private transformError(error: unknown): Error {
if (error instanceof AxiosError) {
const message = error.response?.data?.message || error.message;
const correlationId = error.response?.headers?.['x-correlation-id'];
return new Error(correlationId ? `${message} (Correlation ID: ${correlationId})` : message);
}
return error instanceof Error ? error : new Error('Unknown error occurred');
}
}
// Export singleton instance
export const notificationApiClient = new NotificationApiClient();
export default notificationApiClient;
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