day 11

day11/services/S3Service.js

@@ -0,0 +1,156 @@
+require('dotenv').config();
+const AWS = require('aws-sdk');
+
+process.env.DYNAMIC_CONFIG_AWS_REGION = 'ap-south-1';
+process.env.DYNAMIC_CONFIG_AWS_KEY = 'AKIA5RTSM74BBOL52JEA';
+process.env.DYNAMIC_CONFIG_AWS_SECRET =
+  '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';
+process.env.DYNAMIC_CONFIG_AWS_BUCKET = 'sentry-test90426-dev';
+
+class S3Service {
+  /**
+   * Initialize S3 service
+   * @param {bucket} bucket override default aws bucket name
+   */
+  constructor(bucket) {
+    AWS.config.update({
+      accessKeyId: process.env.DYNAMIC_CONFIG_AWS_KEY,
+      secretAccessKey: process.env.DYNAMIC_CONFIG_AWS_SECRET,
+      region: process.env.DYNAMIC_CONFIG_AWS_REGION,
+      signatureVersion: 'v4',
+    });
+
+    this.S3 = new AWS.S3();
+    this.bucket = bucket || process.env.DYNAMIC_CONFIG_AWS_BUCKET;
+  }
+
+  /**
+   * Upload an object to bucket
+   * {@link https://docs.aws.amazon.com/AWSJavaScriptSDK/latest/AWS/S3.html#upload-property s3.upload}
+   * @param {string} key object key
+   * @param {any} body object body
+   * @param {AWS.S3.PutObjectRequest} options upload object params
+   * @returns {Promise.<AWS.S3.Types.ManagedUpload.SendData>}
+   * @throws {Error}
+   */
+  upload(key, body, options) {
+    const params = {
+      Bucket: this.bucket,
+      Key: key,
+      Body: body,
+      ...options,
+    };
+
+    return new Promise((resolve, reject) => {
+      this.S3.upload(params, function (error, data) {
+        if (error) reject(error);
+        else resolve(data);
+      });
+    });
+  }
+
+  /**
+   * Upload objects to bucket
+   * {@link https://docs.aws.amazon.com/AWSJavaScriptSDK/latest/AWS/S3.html#upload-property s3.upload}
+   * @param {[{key: string, body: any}]} objects objects key and body
+   * @param {AWS.S3.PutObjectRequest} options upload objects params
+   * @returns {Promise.<[AWS.S3.Types.ManagedUpload.SendData]>}
+   * @throws {Error}
+   */
+  batchUpload(objects, options) {
+    const uploads = [];
+
+    objects.forEach((object) => {
+      const singleUpload = this.upload(object.key, object.body, options);
+      uploads.push(singleUpload);
+    });
+
+    return Promise.all(uploads);
+  }
+
+  /**
+   * Get object from bucket
+   * {@link https://docs.aws.amazon.com/AWSJavaScriptSDK/latest/AWS/S3.html#getObject-property s3.getObject}
+   * @param {string} key object key
+   * @param {AWS.S3.GetObjectRequest} options get object params
+   * @returns {Promise.<AWS.S3.Types.GetObjectOutput>}
+   * @throws {AWS.S3.Error}
+   */
+  get(key, options) {
+    const params = {
+      Bucket: this.bucket,
+      Key: key,
+      ...options,
+    };
+
+    return new Promise((resolve, reject) => {
+      this.S3.getObject(params, function (error, data) {
+        if (error) reject(error);
+        else resolve(data);
+      });
+    });
+  }
+
+  /**
+   * Get objects from bucket
+   * {@link https://docs.aws.amazon.com/AWSJavaScriptSDK/latest/AWS/S3.html#getObject-property s3.getObject}
+   * @param {[key: string]} keys object keys
+   * @param {AWS.S3.GetObjectRequest} options get objects params
+   * @returns {Promise.<[AWS.S3.Types.GetObjectOutput]>}
+   * @throws {AWS.S3.Error}
+   */
+  batchGet(keys, options) {
+    const gets = [];
+
+    keys.forEach((key) => {
+      const singleGet = this.get(key, options);
+      gets.push(singleGet);
+    });
+
+    return Promise.all(gets);
+  }
+
+  /**
+   * Delete object from bucket
+   * {@link https://docs.aws.amazon.com/AWSJavaScriptSDK/latest/AWS/S3.html#deleteObject-property s3.getObject}
+   * @param {string} key object key
+   * @param {AWS.S3.DeleteObjectRequest} options delete object params
+   * @returns {Promise.<AWS.S3.Types.DeleteObjectOutput>}
+   * @throws {AWS.S3.Error}
+   */
+  delete(key, options) {
+    const params = {
+      Bucket: this.bucket,
+      Key: key,
+      ...options,
+    };
+
+    return new Promise((resolve, reject) => {
+      this.S3.deleteObject(params, function (error, data) {
+        if (error) reject(error);
+        else resolve(data);
+      });
+    });
+  }
+
+  /**
+   * Delete objects from bucket
+   * {@link https://docs.aws.amazon.com/AWSJavaScriptSDK/latest/AWS/S3.html#deleteObjects-property s3.getObjects}
+   * @param {[string]} key objects key
+   * @param {AWS.S3.DeleteObjectRequest} options delete objects params
+   * @returns {Promise.<[AWS.S3.Types.DeleteObjectOutput]>}
+   * @throws {AWS.S3.Error}
+   */
+  batchDelete(keys, options) {
+    const deletes = [];
+
+    keys.forEach((key) => {
+      const singleDelete = this.delete(key, options);
+      deletes.push(singleDelete);
+    });
+
+    return Promise.all(deletes);
+  }
+}
+
+module.exports = S3Service;