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Dirrk/giphyapi.js

Created August 6, 2016 16:40
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giphyapi.js
/**
* Created by Derek Rada on 3/10/2015.
*/
var http = require('http');
var qs = require("querystring");
var api_key = 'dc6zaTOxFJmzC'; // default beta key (need to change)
var util = require('util');
function GiphyApi(apiKey) {
if (apiKey) {
this.apiKey = apiKey;
} else {
this.apiKey = api_key;
}
this.site = "http://api.giphy.com/v1/gifs"
}
GiphyApi.prototype.random = function (callback) {
var self = this;
console.log("Inside Random");
self.api(
{
uri: 'random'
}, function (err, data) {
var message = "An error has occurred";
if (!err && data && data.length >= 1) {
var url = data[0].fixed_height_downsampled_url;
message = "<" + url + "|Random>";
}
callback([message]);
}
);
};
GiphyApi.prototype.search = function (searchStrings, callback) {
var self = this;
var search_str = searchStrings.join(' ');
console.log("Searching for: " + search_str);
self.api(
{
uri: 'search',
query: {
q: search_str
}
}, function (err, data) {
if (err) {
callback(["An error has occurred"]);
} else {
console.log(data);
// Math.floor((Math.random() * 20))
var url = "Your search for: '" + search_str + "' returned no results";
if (util.isArray(data) && data.length > 0) {
try {
var num = Math.floor(Math.random() * (data.length - 1));
url = data[num].images.fixed_height_downsampled.url;
if (!url || url == "" || url.length == 0) {
url = data[num].images.fixed_height.url;
}
} catch (e) {
console.error(e);
}
}
callback(["<" + url + "|" + search_str + ">"]);
}
}
);
};
GiphyApi.prototype.api = function (options, callback) {
var self = this;
console.log("Inside API");
console.log(options);
var url = "";
if (!callback && !options) {
console.log("Invalid paramaters");
return null;
}
if (options.uri === null || options.uri === undefined || typeof options !== "object") {
url = self.site + '/' + options + "?api_key=" + self.apiKey;
} else {
if (options.uri.charAt(0) == '/') {
url = self.site + options.uri;
} else {
url = self.site + '/' + options.uri;
}
if (options.query) {
options.query.api_key = self.apiKey;
url = url + "?" + qs.stringify(options.query);
} else {
url = url + "?api_key=" + self.apiKey;
}
}
console.log("Making HTTP Request " + url);
var req = http.request(url, giphyRequestHandler);
req.end();
req.on('error', function (err) {
console.log("Error in GiphyApi Request");
console.error(err);
callback(err);
});
function giphyRequestHandler(res) {
var data = '';
res.setEncoding('utf8');
res.on('data', function (d) {
data = data + d.toString();
});
res.on('end', function () {
try {
var giphyMessage = JSON.parse(data);
console.log(data);
if (giphyMessage.meta && giphyMessage.meta.status == 200) {
if (util.isArray(giphyMessage.data)) {
callback(null, giphyMessage.data);
} else {
callback(null, [giphyMessage.data])
}
} else {
callback(new Error("Bad request"));
}
} catch (e) {
console.log("Error caught trying to parse data");
console.log(data);
console.error(e);
callback(err);
}
});
}
};
module.exports = GiphyApi;
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