backend/index.js at main · nischaldoescode/backend · GitHub

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import express from "express";
import {scrapeMedia} from "./src/api.js";
import {getMovieFromTmdb, getTvFromTmdb} from "./src/helpers/tmdb.js";
import cors from "cors";
import {strings} from "./src/strings.js";
import {checkIfPossibleTmdbId, handleErrorResponse} from "./src/helpers/helper.js";
import {ErrorObject} from "./src/helpers/ErrorObject.js";

const PORT = process.env.PORT;
const allowedOrigins = ["https://cinepro.mintlify.app"]; // localhost is also allowed. (from any localhost port)
const app = express();

app.use(cors({
    origin: (origin, callback) => {
        (!origin || allowedOrigins.includes(origin) || /^http:\/\/localhost/.test(origin)) ? callback(null, true) : callback(new Error("Not allowed by CORS"))
    }
}));

app.get("/", (req, res) => {
    res.status(200).json({
        home: strings.HOME_NAME,
        routes: strings.ROUTES,
        information: strings.INFORMATION,
        license: strings.LICENSE,
        source: strings.SOURCE
    });
});

app.get("/movie/:tmdbId", async (req, res) => {
    if (!checkIfPossibleTmdbId(req.params.tmdbId)) {
        return handleErrorResponse(res, new ErrorObject(strings.INVALID_MOVIE_ID, "user", 405, strings.INVALID_MOVIE_ID_HINT, true, false));
    }

    const media = await getMovieFromTmdb(req.params.tmdbId);
    if (media instanceof ErrorObject) {
        return handleErrorResponse(res, media);
    }

    const output = await scrapeMedia(media);
    if (output instanceof ErrorObject) {
        return handleErrorResponse(res, output);
    }

    res.status(200).json(output);
});

app.get("/tv/:tmdbId", async (req, res) => {
    if (!checkIfPossibleTmdbId(req.params.tmdbId) || !checkIfPossibleTmdbId(req.query.s) || !checkIfPossibleTmdbId(req.query.e)) {
        return handleErrorResponse(res, new ErrorObject(strings.INVALID_TV_ID, "user", 405, strings.INVALID_TV_ID_HINT, true, false));
    }

    const media = await getTvFromTmdb(req.params.tmdbId, req.query.s, req.query.e);
    if (media instanceof ErrorObject) {
        return handleErrorResponse(res, media);
    }

    const output = await scrapeMedia(media);
    if (output instanceof ErrorObject) {
        return handleErrorResponse(res, output);
    }

    res.status(200).json(output);
});

app.get("/movie/", (req, res) => {
    handleErrorResponse(res, new ErrorObject(strings.INVALID_MOVIE_ID, "user", 405, strings.INVALID_MOVIE_ID_HINT, true, false));
});

app.get("/tv/", (req, res) => {
    handleErrorResponse(res, new ErrorObject(strings.INVALID_TV_ID, "user", 405, strings.INVALID_TV_ID_HINT, true, false));
});

app.get("*", (req, res) => {
    handleErrorResponse(res, new ErrorObject(strings.ROUTE_NOT_FOUND, "user", 404, strings.ROUTE_NOT_FOUND_HINT, true, false));
});

app.listen(PORT, () => {
    console.log(`Server is running on port http://localhost:${PORT};`);
    if (process.argv.includes("--debug")) {
        console.log(`Debug mode is enabled.`);
    } else {
        console.log("Debug mode is disabled.");
    }
});