Add new Frontend API folder

frontend/src/api/services/data.service.ts

@@ -0,0 +1,182 @@
+// frontend/src/api/services/data.service.ts
+/**
+ * Data Management Service
+ * Handles sales data operations
+ */
+
+import { apiClient } from '../client';
+import { RequestTimeouts } from '../client/config';
+import type {
+  SalesData,
+  SalesDataQuery,
+  SalesDataImport,
+  SalesImportResult,
+  DashboardStats,
+  PaginatedResponse,
+  ActivityItem,
+} from '../types';
+
+export class DataService {
+  /**
+   * Upload Sales History File
+   */
+  async uploadSalesHistory(
+    tenantId: string,
+    file: File,
+    additionalData?: Record<string, any>
+  ): Promise<SalesImportResult> {
+    // Determine file format
+    const fileName = file.name.toLowerCase();
+    let fileFormat: string;
+
+    if (fileName.endsWith('.csv')) {
+      fileFormat = 'csv';
+    } else if (fileName.endsWith('.json')) {
+      fileFormat = 'json';
+    } else if (fileName.endsWith('.xlsx') || fileName.endsWith('.xls')) {
+      fileFormat = 'excel';
+    } else {
+      fileFormat = 'csv'; // Default fallback
+    }
+
+    const uploadData = {
+      file_format: fileFormat,
+      ...additionalData,
+    };
+
+    return apiClient.upload(
+      `/tenants/${tenantId}/sales/import`,
+      file,
+      uploadData,
+      {
+        timeout: RequestTimeouts.LONG,
+      }
+    );
+  }
+
+  /**
+   * Validate Sales Data
+   */
+  async validateSalesData(
+    tenantId: string,
+    file: File
+  ): Promise<SalesImportResult> {
+    const fileName = file.name.toLowerCase();
+    let fileFormat: string;
+
+    if (fileName.endsWith('.csv')) {
+      fileFormat = 'csv';
+    } else if (fileName.endsWith('.json')) {
+      fileFormat = 'json';
+    } else if (fileName.endsWith('.xlsx') || fileName.endsWith('.xls')) {
+      fileFormat = 'excel';
+    } else {
+      fileFormat = 'csv';
+    }
+
+    return apiClient.upload(
+      `/tenants/${tenantId}/sales/validate`,
+      file,
+      {
+        file_format: fileFormat,
+        validate_only: true,
+      },
+      {
+        timeout: RequestTimeouts.MEDIUM,
+      }
+    );
+  }
+
+  /**
+   * Get Sales Data
+   */
+  async getSalesData(
+    tenantId: string,
+    query?: SalesDataQuery
+  ): Promise<PaginatedResponse<SalesData>> {
+    return apiClient.get(`/tenants/${tenantId}/sales`, { params: query });
+  }
+
+  /**
+   * Get Single Sales Record
+   */
+  async getSalesRecord(tenantId: string, recordId: string): Promise<SalesData> {
+    return apiClient.get(`/tenants/${tenantId}/sales/${recordId}`);
+  }
+
+  /**
+   * Update Sales Record
+   */
+  async updateSalesRecord(
+    tenantId: string,
+    recordId: string,
+    data: Partial<SalesData>
+  ): Promise<SalesData> {
+    return apiClient.put(`/tenants/${tenantId}/sales/${recordId}`, data);
+  }
+
+  /**
+   * Delete Sales Record
+   */
+  async deleteSalesRecord(tenantId: string, recordId: string): Promise<{ message: string }> {
+    return apiClient.delete(`/tenants/${tenantId}/sales/${recordId}`);
+  }
+
+  /**
+   * Get Dashboard Statistics
+   */
+  async getDashboardStats(tenantId: string): Promise<DashboardStats> {
+    return apiClient.get(`/tenants/${tenantId}/sales/stats`);
+  }
+
+  /**
+   * Get Analytics Data
+   */
+  async getAnalytics(
+    tenantId: string,
+    params?: {
+      start_date?: string;
+      end_date?: string;
+      product_names?: string[];
+      metrics?: string[];
+    }
+  ): Promise<any> {
+    return apiClient.get(`/tenants/${tenantId}/analytics`, { params });
+  }
+
+  /**
+   * Export Sales Data
+   */
+  async exportSalesData(
+    tenantId: string,
+    format: 'csv' | 'excel' | 'json',
+    query?: SalesDataQuery
+  ): Promise<Blob> {
+    const response = await apiClient.request(`/tenants/${tenantId}/sales/export`, {
+      method: 'GET',
+      params: { ...query, format },
+      headers: {
+        'Accept': format === 'csv' ? 'text/csv' : 
+                format === 'excel' ? 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet' :
+                'application/json',
+      },
+    });
+
+    return new Blob([response], {
+      type: format === 'csv' ? 'text/csv' : 
+           format === 'excel' ? 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet' :
+           'application/json',
+    });
+  }
+
+  /**
+   * Get Recent Activity
+   */
+  async getRecentActivity(tenantId: string, limit?: number): Promise<ActivityItem[]> {
+    return apiClient.get(`/tenants/${tenantId}/activity`, {
+      params: { limit },
+    });
+  }
+}
+
+export const dataService = new DataService();