app.js

const Gfycat = require("gfycat-sdk");
var gfycat = new Gfycat({
  clientId: "2_7kmTI8",
  clientSecret:
    "9X4E1UlJMRmVUdCrqzeeZNkNCeud2oWIGHdX_PzwP2EgM7CiXrpMSgQ_kBuOd-Yc"
});
var express = require("express");
var http = require("http");
const https = require("https");
const assert = require("assert");

var hostname = "0.0.0.0";
var port = process.env.PORT || 8080;
var app = express();
var router = express.Router();

app.use("/", router); //attach security router to everything that goes to /map

app.use(express.static(__dirname + "/public")); //allow access to the .html files in public
app.listen(port, hostname, function() {
  console.log(`Server running at http://${hostname}:${port}/`);
});

gfycat.authenticate((err, data) => {
  console.log("Your app is now authenticated", data);
});

function errorHappened(err) {
  console.log("ERROR!");
  console.log(err);
}

router
  .route("/getdata")
  .all(function(req, res, next) {
    next();
  })
  .get(function(req, res, next) {
    var query = req.headers.query;
    if (req.headers.count) {
      gfycount = req.headers.count;
    } else {
      gfycount = 5;
    }
    options = {
      search_text: query,
      count: gfycount,
      first: 0
    };

    gfycat
      .search(options)
      .then(data => {
        res.json(data);
      })
      .catch(err => {
        errorHappened(err);
      });
  });

router
  .route("/gfyinfo")
  .all(function(req, res, next) {
    next();
  })
  .get(function(req, res, next) {
    var url = req.headers.url;
    console.log("url " + url);
    gfycat
      .getGifDetails({ gfyId: url })
      .then(data => {
        console.log("gfycats", data);
        res.json(data);
      })
      .catch(err => {
        errorHappened(err);
      });
  });

router
  .route("/trending")
  .all(function(req, res, next) {
    next();
  })
  .get(function(req, res, next) {
    if (req.headers.count) {
      count = req.headers.count;
    } else {
      count = 1;
    }

    gfycat
      .trendingGifs({ count: count })
      .then(data => {
        res.json(data.gfycats[count - 1]);
      })
      .catch(err => {
        errorHappened(err);
      });
  });

router
  .route("/videourl")
  .all(function(req, res, next) {
    next();
  })
  .get(function(req, res, next) {
    var url = req.headers.url;

    options = {
      host: "api.gfycat.com",
      path: "/v1/gfycats/fetch/remoteurlinfo",
      headers: { url: url }
    };

    https.get(options, function(http_res) {
      // initialize the container for our data
      var data = "";

      // this event fires many times, each time collecting another piece of the response
      http_res.on("data", function(chunk) {
        // append this chunk to our growing `data` var
        data += chunk;
      });

      // this event fires *one* time, after all the `data` events/chunks have been gathered
      http_res.on("end", function() {
        // you can use res.send instead of console.log to output via express
        res.end(data); //If I do res.json, it doesn't work
      });
    });
  });

router
  .route("/uploadurl")
  .all(function(req, res, next) {
    next();
  })
  .post(function(req, res, next) {
    var url = req.headers.url;
    var duration = req.headers.duration;
    var start = req.headers.start;

    //hardcoded for testing
    options = {
      fetchUrl: url,
      title: "gifNote",
      private: false,
      cut: { duration: duration, start: start }
    };

    gfycat
      .upload(options)
      .then(data => {
        res.json(data);
      })
      .catch(err => {
        errorHappened(err);
      });
  });

router
  .route("/checkstatus")
  .all(function(req, res, next) {
    next();
  })
  .get(function(req, res, next) {
    var id = req.headers.id;

    gfycat
      .checkUploadStatus(id)
      .then(data => {
        res.json(data);
      })
      .catch(err => {
        errorHappened(err);
      });
  });

router
  .route("/gfycats")
  .all(function(name) {
    next();
  })
  .get(function(req, res, next) {
    var name = req.headers.name;

    gfycat
      .getGyfcat(name)
      .then(data => {
        res.json(data);
      })
      .catch(err => {
        errorHappened(err);
      });
  });