nest-paapi-5/dist/paapi5/paapi5.service.js

A NestJS module for Amazon's Product Advertising API 5.0 (PAAPI5)

"use strict";
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
    var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
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    return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
    if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.PaAPI5Service = void 0;
const axios_1 = __importDefault(require("axios"));
const common_1 = require("@nestjs/common");
const sign_service_1 = require("../sign/sign.service");
const types_1 = require("../sign/types");
const api_targets_1 = require("./types/api-targets");
let PaAPI5Service = class PaAPI5Service extends sign_service_1.SignService {
    constructor({ accessKey, secretKey, countryCode, }) {
        super();
        this.accessKey = accessKey;
        this.secretKey = secretKey;
        this.countryCode = countryCode;
    }
    async searchItems(payload) {
        return await this.call({
            method: "POST",
            resource: "/paapi5/searchitems",
            payload,
            target: api_targets_1.ApiTarget.searchItems,
        });
    }
    async getItems(payload) {
        return await this.call({
            method: "POST",
            resource: "/paapi5/getitems",
            payload,
            target: api_targets_1.ApiTarget.getItems,
        });
    }
    async getBrowseNodes(payload) {
        return await this.call({
            method: "POST",
            resource: "/paapi5/getbrowsenodes",
            payload,
            target: api_targets_1.ApiTarget.getBrowseNodes,
        });
    }
    async getVariations(payload) {
        return await this.call({
            method: "POST",
            resource: "/paapi5/getvariations",
            payload,
            target: api_targets_1.ApiTarget.getVariations,
        });
    }
    async call({ method, resource, headers, payload, responseType, target, }) {
        const { host, region } = types_1.HostAndRegion[this.countryCode];
        try {
            const baseURL = `https://${host}`.replace(/\/+$/, "");
            const timestamp = Date.now();
            const axiosRequestConfig = {
                baseURL: baseURL,
                method,
                url: resource,
                headers: {
                    "Content-Encoding": "amz-1.0",
                    host,
                    "x-amz-date": this.toAmzDate(timestamp),
                    "x-amz-target": target,
                    "Content-Type": "application/json; charset=UTF-8",
                },
            };
            if (headers) {
                axiosRequestConfig.headers = Object.assign(Object.assign({}, headers), axiosRequestConfig.headers);
            }
            if (payload && (method === "PUT" || method === "POST")) {
                axiosRequestConfig.data = payload;
            }
            if (responseType) {
                axiosRequestConfig.responseType = responseType;
            }
            const authorization = this.sign({
                accessKey: this.accessKey,
                secretKey: this.secretKey,
                headers: axiosRequestConfig.headers,
                method,
                payload,
                path: resource,
                timestamp,
                region,
            });
            axiosRequestConfig.headers = Object.assign(Object.assign({}, axiosRequestConfig.headers), { "User-Agent": "product-advertising-api-5/0.0.1", Authorization: authorization });
            return (await (0, axios_1.default)(axiosRequestConfig)).data;
        }
        catch (error) {
            console.error(error);
            throw error;
        }
    }
};
exports.PaAPI5Service = PaAPI5Service;
exports.PaAPI5Service = PaAPI5Service = __decorate([
    (0, common_1.Injectable)(),
    __metadata("design:paramtypes", [Object])
], PaAPI5Service);
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