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twitter.js
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twitter.js
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const https = require("https");
module.exports.getToken = (callback) => {
let creds;
if (process.env.NODE_ENV == "production") {
creds = `${process.env.API_key}:${process.env.API_secret_key}`;
} else {
const { API_key, API_secret_key } = require("./secrets.json");
creds = `${API_key}:${API_secret_key}`;
}
let encodedCreds = Buffer.from(creds).toString("base64");
const options = {
host: "api.twitter.com",
path: "/oauth2/token",
method: "POST",
headers: {
Authorization: `Basic ${encodedCreds}`,
"Content-Type": "application/x-www-form-urlencoded;charset=UTF-8",
},
};
const cb = function(response) {
if (response.statusCode != 200) {
console.log(
"twitter.js, cb response status: ",
response.statusCode
);
}
let body = "";
response.on("data", (chunk) => {
body += chunk;
});
response.on("end", () => {
let parsedBody = JSON.parse(body);
callback(null, parsedBody.access_token); //null means "no error"
});
};
const req = https.request(options, cb);
req.end("grant_type=client_credentials");
};
module.exports.getTweets = (bearerToken, twitterName, callback) => {
const tweetOptions = {
host: "api.twitter.com",
path: `/1.1/statuses/user_timeline.json?screen_name=${twitterName}&tweet_mode=extended&include_rts=false&exclude_replies=true`,
method: "GET",
headers: {
Authorization: "Bearer " + bearerToken,
},
};
const cb2 = function(response) {
if (response.statusCode != 200) {
console.log("twitter.js, cb2 resp status: ", response.statusCode);
callback(response.statusCode);
}
let tweets = "";
response.on("data", (chunk) => {
tweets += chunk;
});
response.on("end", () => {
let parsedTweets = JSON.parse(tweets);
callback(null, parsedTweets);
});
};
const req = https.request(tweetOptions, cb2);
req.end();
};
module.exports.filterTweets = (tweets) => {
let tweetArray = [];
for (let i = 0; i < tweets.length; i++) {
let url = "";
if (tweets[i].entities.urls.length > 0) {
url = tweets[i].entities.urls[0].url;
}
let fulltext = tweets[i].full_text;
let splittext = fulltext.split("http", 2);
let text = splittext[0];
tweetArray.push({ text, url });
}
return tweetArray;
};