smartslack/lib/slack/reactions.js

SmartSlack is a node.js module for Slack's Real Time Messaging API

'use strict';

var _ = require('lodash');

var api = require('./api');
var errors = require('../errors');

/**
 * Add a reaction to a message
 * @param {string} emojiName  The emoji icon i.e. thumbsup
 * @param {string} channel The channel id
 * @param {string} timestamp The message timestamp
 * @callback {function} callback(err,result)
 */
function add(emojiName, channel, timestamp, callback) {
    callback = (_.isFunction(callback)) ? callback : _.noop;

    if (!_.isString(emojiName) && !_.isString(channel) && !_.isString(timestamp)) {
        return callback(new Error(errors.missing_required_arg), null);
    }
    api.post('reactions.add', {name: emojiName, channel: channel, timestamp: timestamp}, function (err, result) {
        if (err) {
            return callback(err);
        }
        callback(null, result);
    });
}
/**
 * Get reactions for a message
 * @param {string} channel The channel id
 * @param {string} timestamp The message timestamp
 * @callback {function} callback(err,result)
 */
function getReactions(channel, timestamp, callback) {
    if (!_.isFunction(callback)) {
        throw new Error(errors.callback_type);
    }

    if (!_.isString(channel)) {
        return callback(new Error(errors.missing_required_arg), null);
    }
    api.post('reactions.get', {channel: channel, timestamp: timestamp}, function (err, result) {
        if (err) {
            return callback(err);
        }
        callback(null, result);
    });
}
/**
 * Get a list of reactions for the user
 * @param {string} user  The user id
 * @callback {function} callback(err,result)
 */
function getList(user, callback) {
    if (!_.isFunction(callback)) {
        throw new Error(errors.callback_type);
    }

    if (!_.isString(user)) {
        return callback(new Error(errors.missing_required_arg), null);
    }
    api.post('reactions.list', {user: user}, function (err, result) {
        if (err) {
            return callback(err);
        }
        callback(null, result);
    });
}
/**
 * Add a reaction to a message
 * @param {string} channel The channel id
 * @param {string} timestamp The message timestamp
 * @callback {function} callback(err,result)
 */
function remove(channel, timestamp, callback) {

    callback = (_.isFunction(callback)) ? callback : _.noop;

    if (!_.isString(channel) && !_.isString(timestamp)) {
        return callback(new Error(errors.missing_required_arg), null);
    }
    api.post('reactions.remove', {channel: channel, timestamp: timestamp}, function (err, result) {
        if (err) {
            return callback(err);
        }
        callback(null, result);
    });
}
module.exports = {
    add: add,
    getReactions: getReactions,
    getList: getList,
    remove: remove
};