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/*!
* contentstack-cli
* copyright (c) Contentstack
* MIT Licensed
*/
'use strict';
/**
* Module Dependencies.
*/
var util = require('util');
var _ = require('lodash');
var prompt = require('prompt');
var debug = require('debug')('sync');
var async = require('async');
var chalk = require('chalk');
var EventEmitter = require('events').EventEmitter;
// Console logging
var log = console.log;
var success = chalk.green;
var error = chalk.red;
var warning = chalk.yellow;
var info = chalk.cyan;
// Application utility
var utility = require('./utils');
var helper = require('./helper');
var configurations = require('./config');
var config = configurations.config();
var sync = configurations.sync();
var languages = config.get('languages');
var api = config.get('contentstack');
var backup, bound = 100, inProgress;
utility = new utility();
prompt.message = '>';
prompt.delimeter = '';
/**
* Cotentnstack sync
*/
function Sync(args) {
var self = this;
this.q = [];
inProgress = false;
this._options = args || {};
// Inherit methods from EventEmitter
EventEmitter.call(this);
// Remove memory-leak warning about max listeners
this.setMaxListeners(0);
// expose prototypes
this.initialise = _.bind(this.initialise, this);
// initalise the Synchronize command
this.initialise(args, function (err) {
if (err) {
log(error('Content sync failed with errors'));
log(error(err.message || JSON.stringify(err)));
process.exit(1);
}
log(success('Content sync initialization completed successfully!\n'));
});
// proceed next queue if present
var next = function() {
if (self.q.length > 0) {
var entryData = self.q.shift();
self.sync.start(entryData);
} else {
inProgress = false;
log(success('Cotentnstack \'SYNC\' completed successfully!!'));
}
};
// start sync-utility
this.sync = new sync(next, true);
next.bind(this.sync);
}
// let sync inherit EventEmitter class
util.inherits(Sync, EventEmitter);
module.exports = Sync;
/**
* Initialize the sync process
* @param {Object} cmdInputs [description]
*/
Sync.prototype.initialise = function(cmdInputs, cb) {
try {
var self = this;
var inputs = [];
var fn;
self.inputs = {};
backup = utility.matchConfirm(cmdInputs['backup']);
delete cmdInputs['backup'];
if (cmdInputs.type === 'assets') {
delete self._options.content_types;
delete self._options.skip_content_types;
delete cmdInputs.content_types;
delete cmdInputs.skip_content_types;
}
return utility.getStack(null, function(err, body) {
if (err) {
log(error('Failed while fetching stack details'));
return cb(err);
} else if (!body || !body.stack) {
return cb('API_KEY or ACCESS_TOKEN is not valid. Please retry.');
}
if (body.stack.discrete_variables && body.stack.discrete_variables._version && body.stack.discrete_variables._version >= 3) {
var masterLocale = body.stack.master_locale;
for (var key in cmdInputs) {
if (key && typeof self._options[key] === 'undefined') {
switch (key) {
case 'type':
fn = utility.inputCustom(utility.inputs.type());
break;
case 'environment':
fn = utility.inputEnvironment(utility.inputs.environment());
break;
case 'language':
fn = utility.inputCustom(utility.inputs.language(masterLocale));
break;
case 'content_types':
fn = utility.inputCustom(utility.inputs.content_types());
break;
case 'skip_content_types':
fn = utility.inputCustom(utility.inputs.content_types({
name: 'skip_content_types',
description: 'Enter content types uids to be skipped. Enter them as \',\' comma seperated strings\nPress ENTER for not skipping any content types:'
}));
break;
case 'datetime':
fn = utility.inputCustom(utility.inputs.custom({
name: 'datetime',
format: 'date-time',
description: 'Enter date-time(ISO String Format) from where you want to synchronize your data\nPress ENTER if you would like to sync from the beginning:',
conform: function(input) {
if (Date.parse(input) != 'NaN') {
return true;
}
return false;
},
before: function(input) {
if (input && Date.parse(input) != 'NaN') {
return new Date(input).toISOString();
}
return input;
}
}));
break;
}
if (fn) {
inputs.push(fn);
}
} else {
if (key === 'environment' && self._options[key]) {
inputs.push((function(environment) {
return function(callback) {
return utility.getEnvironment(environment, callback);
};
}(self._options[key])));
} else {
self.inputs[key] = self._options[key];
}
}
}
return async.series(inputs, function(err, result) {
try {
if (err) {
return cb(err);
}
for (var i = 0, total = result.length; i < total; i++) {
if (result[i] && typeof result[i] == 'object') {
for (var key in result[i]) {
self.inputs[key] = result[i][key];
}
}
}
return helper.confirm(config, self.inputs.language, backup, function(err) {
if (err) {
log(error('Getting client confirmation failed'));
return cb(err);
}
switch (self.inputs.type) {
case 'assets':
return self.assets(cb);
case 'content_types':
return self.entry(cb);
default:
async.series([
function(fn) {
return self.assets(fn);
},
function(fn) {
return self.entry(fn);
}
], function (err) {
if (err) {
log(error(`Content sync failed\n${err.message || err}`));
return cb(err);
}
log('Contents synced successfully!');
return cb(null, null);
});
}
});
} catch (err) {
log(error('Sync init error'));
return cb(err);
}
});
}
return cb(`${body.stack.name} is on v2 which is not supported by contentstack-express.\nKindly contact 'support@contentstack.com' to upgrade stack to v3`);
});
} catch (err) {
log(error(`Content sync error\n${err.message || err}`));
return cb(err);
}
};
/**
* Iterate over content types and fetch content type entries
* @param {String} contentTypes : Content type uid
* @param {Function} finalCallback : Error first callback
* @return {Object} : Entries collection
*/
Sync.prototype.loadEntries = function(contentTypes, finalCallback) {
var self = this;
var query = {};
if (self.inputs.datetime) {
query = {
updated_at: {
$gte: self.inputs.datetime
}
};
}
return async.eachLimit(contentTypes, 1, function (contentType, cb) {
return utility.getEntries(contentType, self.inputs.language, query, ['title', 'publish_details', '_version', 'locale'], self.inputs.environment.name, function(error, entries) {
if (error) {
return cb(error);
} else if (entries.length === 0) {
log(warning(`No entries were found in '${contentType}' content type`));
return cb();
}
return self.parseEntries(entries, contentType, cb);
});
}, function (error) {
if (error) {
return finalCallback(error);
}
return finalCallback(null, null);
});
};
/**
* Load data
* @param {Function} finalCallback : Error first callback
* @return {Function} : Error first callback
*/
Sync.prototype.entry = function(finalCallback) {
var self = this;
// calculating the content_types to be used
if (self.inputs.content_types.length) {
self.inputs.content_types = _.difference(self.inputs.content_types, self.inputs.skip_content_types);
return self.loadEntries(self.inputs.content_types, finalCallback);
}
return utility.getContentTypes(function(err, content_types) {
if (err) {
log(error('Content type retrieval error'));
return finalCallback(err);
} else if (content_types.length) {
content_types = _.difference(_.map(content_types, 'uid'), self.inputs.skip_content_types);
return self.loadEntries(content_types, finalCallback);
}
return finalCallback('No content types were found!');
});
};
/**
* Parse entries into standardized format
* @param {Object} entries : Entries collection
* @param {String} content_type : Content type of the collection
* @return {Function} fn : Error first callback
*/
Sync.prototype.parseEntries = function(entries, contentType, fn) {
try {
debug(`Parsing ${entries.length} entries of ${contentType} content type`);
var self = this;
var lang = _.findIndex(languages, {code: self.inputs.language});
if (lang === -1) {
debug(`${lang} language isn't supported by the application.\nTo sync ${lang} kindly add it to the contentstack-express application first and re-try`);
return fn(null, `${lang} isn't supported. Please check your application config`);
}
entries.forEach(function (entry) {
self.q.push({
message: {
body: {
object: {
content_type: {
title: contentType,
uid: contentType
},
entry: {
title: entry.title || entry.uid,
// TODO: clarify/confirm
locale: entry.locale || self.inputs.language || 'en-us',
version: entry.version || entry._version,
entry_uid: entry.uid
},
locale: [self.inputs.language],
environment: [self.inputs.environment.uid],
action: 'publish',
type: 'entry'
},
restore: true
}
},
lang: languages[lang]
});
});
if (!inProgress) {
var entryData = self.q.shift();
debug(`Started content sync for ${contentType} entries`);
self.sync.start(entryData);
inProgress = true;
}
return fn(null, null);
} catch (e) {
log(error(`Errorred in parse entries\n${e.message || e}`));
return fn(e);
}
};
/**
* Fetch assets
* @param {Function} fn : Error first callback
* @return {Object} : Asset collection
*/
Sync.prototype.loadAssets = function(fn) {
var self = this;
var req = {
uri: `${api.cdn || api.host}/${api.version}${api.urls.assets}`,
method: 'GET',
qs: {
environment: self.inputs.environment.name,
locale: self.inputs.language,
skip: 0,
limit: bound,
include_count: true,
only: {
BASE: ['publish_details', 'filename', '_version']
}
}
};
if (this.inputs.datetime) {
req.qs.query = {
published_at: {
$gte: self.inputs.datetime
}
};
}
// Returns filtered asset collection
return utility.getAssets(req, [], fn);
};
/**
* Parse assets into standardized format
* @param {Object} assets : Asset json - data to be synced
* @param {Function} finalCallback : Error first callback
* @return {Function} : Asset sync status
*/
Sync.prototype.parseAssets = function(assets, finalCallback) {
var self = this;
var lang = _.findIndex(languages, {
code: self.inputs.language
});
if (lang === -1) {
debug(`${lang} language isn't supported by the application.\nTo sync ${lang} kindly add it to the contentstack-express application first and re-try`);
return finalCallback(null, `${lang} isn't supported. Please check your application config`);
}
assets.forEach(function(asset) {
var _asset = {
title: asset.filename || asset.uid,
entry_uid: asset.uid,
version: asset.version || asset._version
};
self.q.push({
message: {
body: {
object: {
entry: _asset,
locale: [self.inputs.language],
environment: [self.inputs.environment.uid],
action: 'publish',
type: 'asset'
},
restore: true
}
},
lang: languages[lang]
});
});
if (!inProgress && self.q.length) {
var assetData = self.q.shift();
debug('Started content sync for assets');
self.sync.start(assetData);
inProgress = true;
}
return finalCallback(null, null);
};
/**
* Fetch assets and sync
* @param {Function} callback : Error first callback
* @return {Function} : Asset sync status
*/
Sync.prototype.assets = function(callback) {
var self = this;
return self.loadAssets(function(error, assets) {
if (error) {
return callback(error);
} else if (assets.length === 0) {
debug('No assets were found in the specified environment/stack');
return callback(null, null);
}
log(info(`${assets.length} assets were retrieved`));
// Parse assets and send it for syncing
return self.parseAssets(assets, callback);
});
};