@filesrocket/amazons3/lib/base.js

Filerocket service to manage files from Amazon S3

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.BaseAmazonRocket = void 0;
const s3_1 = __importDefault(require("aws-sdk/clients/s3"));
const path_1 = require("path");
class BaseAmazonRocket {
    constructor(options) {
        this.options = options;
        this.s3 = new s3_1.default(options);
    }
    /**
     * Create a Bucket Amazon S3. Amazon S3 buckets, which are
     * similar to file folders, store objects, which consist
     * of data and its descriptive metadata.
     * @param name Bucket name.
     */
    async createBucket(name) {
        return new Promise((resolve, reject) => {
            this.s3.createBucket({ Bucket: name }, (err, data) => {
                if (!(data === null || data === void 0 ? void 0 : data.Location) || err)
                    return reject(err);
                resolve(data.Location);
            });
        });
    }
    paginate(data) {
        var _a;
        const items = ((_a = data.Contents) === null || _a === void 0 ? void 0 : _a.map((item) => this.builder(item, {
            Bucket: data.Name,
            Key: item.Key
        }))) || [];
        return {
            items,
            size: items.length,
            total: data.KeyCount,
            page: data.ContinuationToken,
            nextPage: data.NextContinuationToken || null,
            prevPage: null
        };
    }
    /**
     * Generate a url for the files.
     * @param operation Operation.
     * @param params Params.
     */
    generateUrl(operation, params) {
        const Bucket = this.options.Bucket;
        return this.s3.getSignedUrl(operation, { Bucket, ...params });
    }
    builder(payload, query) {
        const { ext, base: name, dir } = (0, path_1.parse)(payload.Key);
        return {
            ...payload,
            id: payload.Key,
            name,
            dir,
            ext,
            size: payload.Size,
            url: this.generateUrl('getObject', query),
            updatedAt: new Date(payload.LastModified)
        };
    }
}
exports.BaseAmazonRocket = BaseAmazonRocket;
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