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shawon-majidshawon-majid
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boilerplate code with s3 bucket added
0 parents  commit 279eb6a

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‎.gitignore

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/.env
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/node_modules

‎api/index.js

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const express = require("express");
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const dotenv = require("dotenv");
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const corsConfig = require("../utils/cors-config");
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const videoContentRoutes = require("../routes/video-content");
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const fileServerRoutes = require("../routes/file-server");
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dotenv.config();
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require("../db/database");
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const app = express();
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const port = process.env.PORT || 3000;
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app.use(corsConfig);
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app.use(express.json());
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app.use("/video-content", videoContentRoutes);
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app.use("/file", fileServerRoutes);
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app.get("/", (req, res) => {
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res.send("Hello World");
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});
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app.listen(port, () => {
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console.log(`Server is running on port ${port}`);
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});
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module.exports = app;

‎app.js

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const express = require("express");
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const dotenv = require("dotenv");
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const multer = require("multer");
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const {
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S3Client,
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PutObjectCommand,
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GetObjectCommand,
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DeleteObjectCommand,
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} = require("@aws-sdk/client-s3");
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const { getSignedUrl } = require("@aws-sdk/s3-request-presigner");
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dotenv.config(); // Load environment variables from a .env file into process.env
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const bucketName = process.env.AWS_BUCKET_NAME;
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const bucketRegion = process.env.AWS_REGION;
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const accessKey = process.env.ACCESS_KEY;
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const secretAccessKey = process.env.SECRET_ACCESS_KEY;
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const s3 = new S3Client({
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region: bucketRegion,
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credentials: {
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accessKeyId: accessKey,
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secretAccessKey: secretAccessKey,
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},
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});
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const storage = multer.memoryStorage();
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const upload = multer({ storage: storage });
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const app = express();
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const port = process.env.PORT || 3000;
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app.get("/", (req, res) => {
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res.send("Hello, world!");
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});
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app.post("/upload", upload.single("image"), async (req, res) => {
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try {
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console.log(req.body, "end of req body ");
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console.log(req.file);
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const params = {
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Bucket: bucketName,
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Key: req.file.originalname,
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Body: req.file.buffer,
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ContentType: req.file.mimetype,
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};
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const command = new PutObjectCommand(params);
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await s3.send(command);
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res.send("File uploaded successfully!");
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} catch (error) {
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console.log(error);
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res.status(500).send("Error uploading file");
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}
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});
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app.get("/image/:imageName", async (req, res) => {
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try {
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const imageName = req.params.imageName;
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const params = {
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Bucket: bucketName,
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Key: imageName,
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};
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const command = new GetObjectCommand(params);
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const url = await getSignedUrl(s3, command, { expiresIn: 3600 });
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res.send(url);
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} catch (error) {
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console.log(error);
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res.status(500).send("Error getting image");
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}
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});
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app.delete("/image/:imageName", async (req, res) => {
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try {
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const imageName = req.params.imageName;
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const params = {
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Bucket: bucketName,
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Key: imageName,
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};
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const command = new DeleteObjectCommand(params);
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s3.send(command);
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res.send("File deleted successfully!");
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} catch (error) {
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console.log(error);
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res.status(500).send("Error deleting image");
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}
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});
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app.listen(port, () => {
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console.log(`Server is running on port ${port}`);
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});

‎controllers/file-server.js

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const { getFile, deleteFile } = require("../services/aws/file-server");
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const getFileFromAWS = async (req, res) => {
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try {
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const url = await getFile(req.params.fileName);
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// this url refers to the file in the AWS S3 bucket
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// I want to send a response that will show the image in the browser
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res.send(`<img src="${url}" alt="Image from AWS S3">`);
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} catch (error) {
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console.log(error);
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res.status(500).send("Error getting file");
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}
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};
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const deleteFileFromAWS = async (req, res) => {
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try {
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deleteFile(req.params.fileName);
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res.send("File deleted successfully!");
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} catch (error) {
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console.log(error);
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res.status(500).send("Error deleting file");
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}
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};
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module.exports = {
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getFileFromAWS,
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deleteFileFromAWS,
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};

‎controllers/video-content.js

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const crypto = require("crypto");
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const Video = require("../models/Video");
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const { getPrompt } = require("../services/text_service/prompt");
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const { getImagePrompts } = require("../services/image_service/image-prompts");
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const { getSpeech } = require("../services/audio_service/text-to-speech");
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const { getImage } = require("../services/image_service/image");
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const baseUrl = require("../utils/constants");
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// console.log(baseUrl);
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const createVideoContent = async (req, res) => {
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try {
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console.log("api hit, getting voice script");
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const { text } = req.body;
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const videoID = crypto.randomBytes(16).toString("hex");
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var voiceScripts = await getPrompt(text);
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var imagePrompts = await getImagePrompts(voiceScripts);
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voiceScripts = voiceScripts.replace(/,\s*([\]}])/g, "$1");
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imagePrompts = imagePrompts.replace(/,\s*([\]}])/g, "$1");
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voiceScripts = JSON.parse(voiceScripts);
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imagePrompts = JSON.parse(imagePrompts);
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voiceScripts = Object.values(voiceScripts);
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imagePrompts = Object.values(imagePrompts);
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const imageUrls = [];
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const audioUrls = [];
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for (let i = 0; i < imagePrompts.length; i++) {
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console.log("getting image " + i);
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getImage(imagePrompts[i], videoID + i);
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imageUrls.push(baseUrl + "/file/" + videoID + i + ".jpg");
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}
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for (let i = 0; i < voiceScripts.length; i++) {
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console.log("getting audio " + i);
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const audioUrl = await getSpeech(voiceScripts[i], videoID + i);
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audioUrls.push(audioUrl);
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}
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const video = new Video({
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videoID,
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voiceScripts,
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imagePrompts,
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imageUrls,
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audioUrls,
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});
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await video.save();
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setTimeout(() => {
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res.status(200).json(video);
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}, 20000);
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} catch (error) {
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console.log(error);
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res.status(500).send("Error creating video content");
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}
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};
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const getVideoContentByID = async (req, res) => {
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try {
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const videoID = req.params.videoID;
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const video = await Video.findOne({ videoID }).select("-_id -__v").exec();
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if (!video) {
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return res.status(404).send("Video not found");
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}
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res.status(200).json(video);
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} catch (error) {
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console.log(error);
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res.status(500).send("Error getting video content");
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}
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};
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module.exports = { createVideoContent, getVideoContentByID };

‎db/database.js

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const mongoose = require("mongoose");
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const dbUrl = process.env.MONGO_URI;
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mongoose
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.connect(dbUrl)
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.then(() => {
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console.log("Connected to database!");
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})
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.catch((error) => {
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console.log("Connection failed!", error);
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process.exit();
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});

‎models/Video.js

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const mongoose = require("mongoose");
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const VideoSchema = new mongoose.Schema({
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videoID: {
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type: String,
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},
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voiceScripts: [
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{
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type: String,
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},
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],
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imageUrls: [
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{
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type: String,
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},
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],
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audioUrls: [
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{
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type: String,
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},
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],
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imageScripts: [
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{
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type: String,
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},
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],
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finalAudioUrl: {
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type: String,
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},
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createdBy: {
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type: String,
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default: "sdsd",
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},
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createdAt: {
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type: Date,
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default: Date.now,
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},
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});
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const Video = mongoose.model("Video", VideoSchema);
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module.exports = Video;

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