base.ts•1.66 kB
import axios, { AxiosInstance } from 'axios';
import { Deal, SearchParams, DealSource, ApiResponse } from '../types.js';
export abstract class BaseDealProvider {
protected client: AxiosInstance;
protected source: DealSource;
constructor(source: DealSource) {
this.source = source;
this.client = axios.create({
baseURL: source.baseUrl,
headers: {
'Content-Type': 'application/json',
...source.headers
},
timeout: 10000
});
// Add API key to headers if provided
if (source.apiKey) {
this.client.defaults.headers.common['Authorization'] = `Bearer ${source.apiKey}`;
}
}
abstract searchDeals(params: SearchParams): Promise<Deal[]>;
abstract getTopDeals(limit?: number): Promise<Deal[]>;
abstract getDealDetails(dealId: string): Promise<Deal | null>;
protected normalizePrice(price: string | number): number | undefined {
if (typeof price === 'number') return price;
if (typeof price === 'string') {
const numPrice = parseFloat(price.replace(/[^0-9.-]+/g, ''));
return isNaN(numPrice) ? undefined : numPrice;
}
return undefined;
}
protected normalizeRating(rating: string | number): number | undefined {
if (typeof rating === 'number') return rating;
if (typeof rating === 'string') {
const numRating = parseFloat(rating);
return isNaN(numRating) ? undefined : numRating;
}
return undefined;
}
protected calculateDiscount(original: number, current: number): number {
return Math.round(((original - current) / original) * 100);
}
public getSourceName(): string {
return this.source.name;
}
}