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sync.js
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executable file
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/*!
* contentstack-cli
* copyright (c) Built.io Contentstack
* MIT Licensed
*/
'use strict';
/**
* Module Dependencies.
*/
var fs = require('fs'),
Q = require('q'),
util = require('util'),
_ = require('lodash'),
prompt = require('prompt'),
async = require('async'),
EventEmitter = require('events').EventEmitter;
var utility = require('./utils'),
utility = new utility(),
helper = require('./helper'),
config = require('./config'),
sync = config.sync(),
config = config.config(),
languages = config.get('languages'),
q, isProgress, backup;
/*
* Application defined variables
* */
prompt.delimeter = "";
function Sync(args) {
q = [];
isProgress = 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);
// proceed next queue if present
var next = function () {
if (q.length > 0) {
var entryData = q.shift();
this.start(entryData);
console.log("\nEntry info: " + JSON.stringify(entryData.message.body));
} else {
isProgress = false;
console.log("=============== Synchronization requests completed successfully ===============");
}
};
// start sync-utility
this.sync = new sync(next, true);
next.bind(this.sync);
};
util.inherits(Sync, EventEmitter);
module.exports = Sync;
/*
* Get the user inputs
* */
Sync.prototype.initialise = function (cmdInputs) {
try {
var self = this,
inputs = [],
fn;
self.inputs = {};
backup = utility.matchConfirm(cmdInputs['backup']);
delete cmdInputs['backup'];
for (var key in cmdInputs) {
if (key && typeof self._options[key] === 'undefined') {
switch (key) {
case 'environment':
fn = utility.inputEnvironment(utility.inputs.environment());
break;
case 'language':
fn = utility.inputCustom(utility.inputs.language());
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 the content types to be skipped(hit return/enter for none or type \",\" comma seperated content type uids): "
}));
break;
case 'datetime':
fn = utility.inputCustom(utility.inputs.custom({
name: "datetime",
format: "date-time",
description: "Enter the date-time(ISO String Format) from where you want to synchronize your data(hit return/enter for all data): ",
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) {
utility
.getEnvironment(environment)
.then(function (result) {
callback(null, result);
})
.fail(function (err) {
callback(err);
});
}
}(self._options[key])));
} else {
self.inputs[key] = self._options[key];
}
}
}
async
.series(inputs, function (err, result) {
try {
if (err) throw 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];
}
}
}
helper.confirm(config, self.inputs.language, backup, function (err) {
if (err) throw err;
self.loadData();
});
} catch (err) {
console.error("Init Error : ", err);
}
});
} catch (err) {
console.error("Init Error : ", err);
}
};
/*
* Load all the entries from the content_types
* */
Sync.prototype.loadData = function () {
var self = this,
_calls = [];
var _loadEntries = function (_content_types) {
for (var i = 0, total = _content_types.length; i < total; i++) {
_calls.push(function (content_type) {
return utility.getEntries(content_type, self.inputs.language, {}, ['_metadata'], self.inputs.environment.name)
.then(function (entries) {
var _entries = [];
if (self.inputs.datetime) {
for (var i = 0; i < entries.length; i++) {
if (entries[i] && entries[i]['_metadata']['publish_details']) {
if (entries[i]['_metadata']['publish_details'] instanceof Array) {
var idx = _.findIndex(entries[i]['_metadata']['publish_details'], function (object) {
if (object.locale === self.inputs.language && object.environment === self.inputs.environment.uid && object.time && object.time >= self.inputs.datetime) {
_entries.push(entries[i]);
return true;
}
});
} else {
var _publishDetailsObj = entries[i]['_metadata']['publish_details'];
if (_publishDetailsObj['locale'] === self.inputs.language && _publishDetailsObj['environment'] === self.inputs.environment.uid && _publishDetailsObj['time'] && _publishDetailsObj['time'] >= self.inputs.datetime) {
_entries.push(entries[i]);
}
}
}
}
} else {
_entries = entries || [];
}
console.log("Total %d entries of ContentType %s retrieved.", _entries.length, content_type);
return self.parseEntries(_entries, content_type);
})
.fail(function (err) {
console.log("Error in retriveing entries: ", err, content_type);
});
}(_content_types[i]));
}
;
Q.all(_calls)
.then(function (entries) {
entries = entries.reduce(function (prev, crnt) {
if (Array.isArray(crnt)) {
prev = prev.concat(crnt);
}
return prev;
}, []);
console.log("Total entries %d are synchronized.", entries.length);
})
.fail(function (error) {
console.log("Synchronization error: ", error.message);
});
};
// 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);
_loadEntries(self.inputs.content_types);
} else {
utility
.getContentTypes()
.then(function (content_types) {
if (content_types && content_types.content_types && content_types.content_types.length) {
content_types = _.difference(_.pluck(content_types.content_types, "uid"), self.inputs.skip_content_types);
_loadEntries(content_types);
} else {
console.log("No ContentTypes found.");
}
}).fail(function (error) {
console.log("ContentTypes retrieval error: ", error.message);
});
}
};
/*
* Load all the parse Entries
* */
Sync.prototype.parseEntries = function (entries, content_type) {
try {
var self = this;
var deferred = Q.defer();
console.log("Restoring %d entries of %s ContentType.", entries.length, content_type);
for (var i = 0, total = entries.length; i < total; i++) {
if (entries[i] && entries[i]['_metadata'] && entries[i]['_metadata']['publish_details']) {
var idx;
if (entries[i]['_metadata']['publish_details'] instanceof Array) {
idx = _.findIndex(entries[i]['_metadata']['publish_details'], {
environment: self.inputs.environment.uid,
locale: self.inputs.language
});
} else {
if (entries[i]['_metadata']['publish_details']['environment'] === self.inputs.environment.uid && entries[i]['_metadata']['publish_details']['locale'] === self.inputs.language) {
idx = 1;
} else {
idx = -1;
}
}
var _lang = _.findIndex(languages, {'code': self.inputs.language});
if (~idx && ~_lang) {
q.push({
message: {
body: {
object: {
form: {
title: content_type,
form_uid: content_type
},
entry: {
title: entries[i]['title'] || entries[i]['_metadata']['uid'],
locale: entries[i]['_metadata']['publish_details'][idx]['locale'] || "en-us",
version: entries[i]['_metadata']['publish_details'][idx]['version'],
entry_uid: entries[i]['_metadata']['uid']
},
locale: [self.inputs.language],
environment: [self.inputs.environment.uid],
action: "publish",
type: "entry"
},
restore: true
}
},
lang: languages[_lang]
});
if (!isProgress) {
var entryData = q.shift();
self.sync.start(entryData);
isProgress = true;
console.log("=============== Started synchronizing content ===============");
console.log("Entry info: " + JSON.stringify(entryData.message.body));
}
}
}
}
deferred.resolve(entries);
return deferred.promise;
} catch (e) {
console.error("Error " + e.message);
}
};