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giffer

v2.0.16

Published

GIF download bot

Downloads

12

Readme

Giffer

Giffer is an automatic gif download bot and is highly customizable. It's core functionality only consists of being able to start different adapters and downloading gifs that were found by these adapters. It also saves some meta information and makes sure that gifs with the same url are not downloaded multiple times.

API

new Giffer(args)

There are some args you must/can provide when creating a new giffer client:

  • db: A levelup instance. Important: Must have valueEncoding: "json"
  • timeToRestart: Time in ms after which an adapter should be started again after it has finished
  • adapters: An array of adapters. See list of adapters
  • outputDir: Where the files should be downloaded to
var levelup = require('levelup')
var GifferAdapter9Gag = require('giffer-adapter-9gag')
var Giffer = require('giffer')

var db = levelup('/whatever', {
    db: require('memdown'),
    valueEncoding: 'json'
})

var adapter9gag = new GifferAdapter9Gag({})

var giffer = new Giffer({
  db: db,
  outputDir: __dirname + '/images',
  adapters: [adapter9gag]
})

start()

Start up the whole engine!

stop()

Shut down the whole engine.

plugin(plugin[, args])

Easy way to use a plugin.

giffer.plugin(require('giffer-validator'))

Events

Giffer emits only one event:

gif

When a gif was downloaded. As a parameter you get the filename.

Writing plugins

Writing plugins is pretty straight forward. It offers hooks on some methods and your plugin can register on either pre or post events on these methods.

These are methods that can be hooked into:

handleGif

This is the first method that is being called when an adapter emits a new gif event. Checks if the gif was already downloaded and - if not - saves the data into the database.

download

Does what it says. Actually downloads the gif into the predefined folder.

emitGif

This is the method that emits the gif event after everything has been done properly.