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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 | import { Injectable, Logger } from '@nestjs/common'; import { ConfigService } from '@nestjs/config'; import axios, { AxiosInstance } from 'axios'; import { NamshiProduct, NamshiApiResponse } from '../interfaces/retailer.interface'; // Using interfaces from retailer.interface.ts @Injectable() export class NamshiService { private readonly logger = new Logger(NamshiService.name); private readonly httpClient: AxiosInstance; private readonly apiKey: string; private readonly baseUrl: string; private readonly affiliateId: string; constructor(private configService: ConfigService) { this.apiKey = this.configService.get<string>('NAMSHI_API_KEY'); this.baseUrl = 'https://api.namshi.com/v2'; this.affiliateId = this.configService.get<string>('NAMSHI_AFFILIATE_ID'); this.httpClient = axios.create({ baseURL: this.baseUrl, headers: { 'Authorization': `Bearer ${this.apiKey}`, 'Content-Type': 'application/json', 'User-Agent': 'SavePal/1.0', }, timeout: 30000, }); // Add request interceptor for rate limiting this.httpClient.interceptors.request.use( (config) => { this.logger.debug(`Namshi API Request: ${config.method?.toUpperCase()} ${config.url}`); return config; }, (error) => Promise.reject(error) ); // Add response interceptor for error handling this.httpClient.interceptors.response.use( (response) => { this.logger.debug(`Namshi API Response: ${response.status} ${response.config.url}`); return response; }, (error) => { this.logger.error(`Namshi API Error: ${error.message}`, error.response?.data); return Promise.reject(error); } ); } async getProducts(params: { category?: string; brand?: string; page?: number; limit?: number; minPrice?: number; maxPrice?: number; gender?: 'men' | 'women' | 'kids'; sort?: 'price_asc' | 'price_desc' | 'newest' | 'popularity'; } = {}): Promise<NamshiApiResponse> { try { const queryParams = { page: params.page || 1, per_page: Math.min(params.limit || 50, 100), ...(params.category && { category: params.category }), ...(params.brand && { brand: params.brand }), ...(params.minPrice && { price_min: params.minPrice }), ...(params.maxPrice && { price_max: params.maxPrice }), ...(params.gender && { gender: params.gender }), ...(params.sort && { sort: params.sort }), include_variants: true, include_images: true, affiliate_id: this.affiliateId, }; const response = await this.httpClient.get('/products', { params: queryParams }); return { products: response.data.data || [], pagination: response.data.meta || { page: 1, per_page: 50, total: 0, total_pages: 0, }, }; } catch (error) { this.logger.error('Failed to fetch products from Namshi', error); throw new Error(`Namshi API error: ${error.message}`); } } async getProductById(productId: string): Promise<NamshiProduct | null> { try { const response = await this.httpClient.get(`/products/${productId}`, { params: { include_variants: true, include_images: true, affiliate_id: this.affiliateId, }, }); return response.data.data || null; } catch (error) { Iif (error.response?.status === 404) { return null; } this.logger.error(`Failed to fetch product ${productId} from Namshi`, error); throw new Error(`Namshi API error: ${error.message}`); } } async searchProducts(query: string, params: { page?: number; limit?: number; filters?: { category?: string; brand?: string; minPrice?: number; maxPrice?: number; gender?: 'men' | 'women' | 'kids'; }; } = {}): Promise<NamshiApiResponse> { try { const queryParams = { q: query, page: params.page || 1, per_page: Math.min(params.limit || 50, 100), ...(params.filters?.category && { category: params.filters.category }), ...(params.filters?.brand && { brand: params.filters.brand }), ...(params.filters?.minPrice && { price_min: params.filters.minPrice }), ...(params.filters?.maxPrice && { price_max: params.filters.maxPrice }), ...(params.filters?.gender && { gender: params.filters.gender }), include_variants: true, include_images: true, affiliate_id: this.affiliateId, }; const response = await this.httpClient.get('/search', { params: queryParams }); return { products: response.data.data || [], pagination: response.data.meta || { page: 1, per_page: 50, total: 0, total_pages: 0, }, }; } catch (error) { this.logger.error('Failed to search products on Namshi', error); throw new Error(`Namshi search error: ${error.message}`); } } async getCategories(): Promise<Array<{ id: string; name: string; parent_id?: string }>> { try { const response = await this.httpClient.get('/categories'); return response.data.data || []; } catch (error) { this.logger.error('Failed to fetch categories from Namshi', error); return []; } } async getBrands(): Promise<Array<{ id: string; name: string; logo?: string }>> { try { const response = await this.httpClient.get('/brands'); return response.data.data || []; } catch (error) { this.logger.error('Failed to fetch brands from Namshi', error); return []; } } generateAffiliateUrl(productUrl: string, productId: string): string { const baseAffiliateUrl = 'https://www.namshi.com'; const affiliateParams = new URLSearchParams({ utm_source: 'savepal', utm_medium: 'affiliate', utm_campaign: 'savepal_app', affiliate_id: this.affiliateId, product_id: productId, }); return `${baseAffiliateUrl}${productUrl}?${affiliateParams.toString()}`; } async checkProductAvailability(productId: string, sku?: string): Promise<{ available: boolean; quantity: number; estimated_delivery?: string; }> { try { const response = await this.httpClient.get(`/products/${productId}/availability`, { params: sku ? { sku } : {}, }); return { available: response.data.available || false, quantity: response.data.quantity || 0, estimated_delivery: response.data.estimated_delivery, }; } catch (error) { this.logger.error(`Failed to check availability for product ${productId}`, error); return { available: false, quantity: 0, }; } } async getProductReviews(productId: string, page: number = 1): Promise<{ reviews: Array<{ id: string; rating: number; title: string; comment: string; author: string; date: string; verified_purchase: boolean; }>; summary: { average_rating: number; total_reviews: number; rating_distribution: Record<string, number>; }; }> { try { const response = await this.httpClient.get(`/products/${productId}/reviews`, { params: { page, per_page: 20 }, }); return { reviews: response.data.data || [], summary: response.data.summary || { average_rating: 0, total_reviews: 0, rating_distribution: {}, }, }; } catch (error) { this.logger.error(`Failed to fetch reviews for product ${productId}`, error); return { reviews: [], summary: { average_rating: 0, total_reviews: 0, rating_distribution: {}, }, }; } } // Transform Namshi product to our internal format transformProduct(namshiProduct: NamshiProduct): any { return { title: namshiProduct.name, description: namshiProduct.description, brand: namshiProduct.brand, category: { main: namshiProduct.categories[0] || 'fashion', sub: namshiProduct.categories[1] || 'general', tags: namshiProduct.categories, }, images: namshiProduct.images.map((url, index) => ({ url, altText: namshiProduct.name, order: index, type: index === 0 ? 'main' : 'gallery', })), variants: [{ sku: namshiProduct.id, size: namshiProduct.sizes[0] || null, color: namshiProduct.colors[0] || null, price: { current: namshiProduct.price.current, original: namshiProduct.price.original, currency: namshiProduct.price.currency, discount: namshiProduct.price.discount_percentage, }, availability: { inStock: namshiProduct.availability.in_stock, quantity: namshiProduct.availability.quantity, }, retailerSpecific: { retailerId: 'namshi', // Will be replaced with actual ObjectId externalId: namshiProduct.id, url: namshiProduct.url, affiliateUrl: this.generateAffiliateUrl(namshiProduct.url, namshiProduct.id), }, }], specifications: { material: namshiProduct.attributes?.material, careInstructions: namshiProduct.attributes?.care_instructions, origin: namshiProduct.attributes?.country_of_origin, }, isActive: true, }; } async healthCheck(): Promise<boolean> { try { const response = await this.httpClient.get('/health', { timeout: 5000 }); return response.status === 200; } catch (error) { this.logger.error('Namshi health check failed', error); return false; } } } |