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sfgit.js
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sfgit.js
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'use strict';
var git = require('gift');
var fs = require('fs');
var fstream = require('fstream');
var jsforce = require('jsforce');
var async = require('async');
var AdmZip = require('adm-zip');
//muts all logs
var MUTE = false;
/*
* Creates the return object for the mainCallback
*/
function createReturnObject(err, msg){
return {
error: err,
details: msg
};
}
/*
* Sync Deletes a folder recursively
* @path: folder path
* @exclude: exclude a certain folder's name
* @doNotDeleteRoot: do not delete root folder
*/
var deleteFolderRecursive = function(path, exclude, doNotDeleteRoot) {
if( fs.existsSync(path) ) {
fs.readdirSync(path).forEach(function(file,index){
var curPath = path + "/" + file;
if(fs.lstatSync(curPath).isDirectory()) { // recurse
if(!exclude || file != exclude){
deleteFolderRecursive(curPath, exclude);
}
} else { // delete file
fs.unlinkSync(curPath);
}
});
if(!doNotDeleteRoot) fs.rmdirSync(path);
}
};
module.exports = {
doAll : function(mainCallback){
var loginUrl = process.env.SF_LOGIN_URL || "https://login.salesforce.com";
//status object
var status = {
tempPath : '/tmp/',
zipPath : "zips/",
repoPath: "repos/",
zipFile : "_MyPackage"+Math.random()+".zip",
sfConnection : (new jsforce.Connection({
loginUrl: loginUrl
})),
sfLoginResult : null,
types : {},
};
if(!MUTE) console.log('SF CONNECTION WITH: ' + loginUrl);
//polling timeout of the SF connection
status.sfConnection.metadata.pollTimeout = process.env.SF_METADATA_POLL_TIMEOUT || 120000;
//creates all the main folders (temp folder, zip folder and git clone folder)
try{
if(!fs.existsSync(status.tempPath)){
fs.mkdirSync(status.tempPath);
}
if (!fs.existsSync(status.tempPath+status.zipPath)){
fs.mkdirSync(status.tempPath+status.zipPath);
}
if (!fs.existsSync(status.tempPath+status.repoPath)){
fs.mkdirSync(status.tempPath+status.repoPath);
}
}catch(ex){
return mainCallback && mainCallback(ex);
}
//asyncs jobs called sequentially (all the tasks to be done)
async.series({
//login to SF
sfLogin : function(callback){
if(!MUTE) console.log('SF LOGIN');
status.sfConnection.login(process.env.SF_USERNAME, process.env.SF_PASSWORD, function(err, lgnResult) {
status.sfLoginResult = lgnResult;
return callback((err)?createReturnObject(err, 'SF Login failed'):null);
});
},
//Describes metadata items
sfDescribeMetadata : function(callback){
if(!MUTE) console.log('SF DESCRIBE METADATA');
status.sfConnection.metadata.describe(process.env.SF_API_VERSION+'.0', function(err, describe){
status.sfDescribe = describe;
return callback((err)?createReturnObject(err, 'SF Describe failed'):null);
});
},
//Lists of all metadata details
sfListMetadata : function(callback){
if(!MUTE) console.log('SF LIST DESCRIBE METADATA ALL');
var iterations = parseInt(Math.ceil(status.sfDescribe.metadataObjects.length/3.0));
var excludeMetadata = process.env.EXCLUDE_METADATA || '';
var excludeMetadataList = excludeMetadata.toLowerCase().split(',');
var asyncObj = {};
function listMetadataBatch(qr){
return function(cback){
if(!MUTE) console.log('SF LIST DESCRIBE METADATA: '+JSON.stringify(qr));
status.sfConnection.metadata.list(qr,process.env.SF_API_VERSION+'.0', function(err, fileProperties){
if(!err && fileProperties){
for(var ft = 0; ft < fileProperties.length; ft++){
if(!status.types[fileProperties[ft].type]){
status.types[fileProperties[ft].type] = [];
}
status.types[fileProperties[ft].type].push(fileProperties[ft].fullName);
}
}
return cback(err);
});
}
}
for(var it = 0; it < iterations; it++){
var query = [];
for(var i = 0; i < 3; i++){
var index = it*3+i;
if(status.sfDescribe.metadataObjects.length > index){
var metadata = status.sfDescribe.metadataObjects[index];
if(excludeMetadataList.indexOf((metadata.xmlName||'').toLowerCase()) <0){
query.push({type: metadata.xmlName, folder: metadata.folderName});
}
}
}
if(query.length>0){
asyncObj['fn'+it] = listMetadataBatch(query);
}
}
async.series(asyncObj, function(err, results){
return callback((err)?createReturnObject(err, 'SF Describe list metadata failed'):null);
});
},
//Retrieving ZIP file of metadata
sfRetrieveZip : function(callback){
//should use describe
//retrieve xml
if(!MUTE) console.log('SF RETRIEVE ZIP');
var _types = [];
for(var t in status.types){
_types.push({
members: status.types[t],
name: t,
});
}
var stream = status.sfConnection.metadata.retrieve({
unpackaged: {
types: _types,
version: process.env.SF_API_VERSION,
}
}).stream();
stream.on('end', function() {
return callback(null);
});
stream.on('error', function(err){
return callback((err)?createReturnObject(err, 'SF Retrieving metadata ZIP file failed'):null);
});
stream.pipe(fs.createWriteStream(status.tempPath+status.zipPath+status.zipFile));
},
//Clones original repo
gitClone : function(callback){
if(!MUTE) console.log('GIT CLONE');
var folderPath = status.tempPath+status.repoPath+status.zipFile;
git.clone(process.env.REPO_URL, folderPath,
function(err, _repo){
status.gitRepo = _repo;
//deletes all cloned files except the .git folder (the ZIP file will be the master)
deleteFolderRecursive(folderPath, '.git', true);
return callback((err)?createReturnObject(err, 'Git clone failed'):null);
});
},
//Unzip metadata zip file
unzipFile : function(callback){
if(!MUTE) console.log('UNZIP FILE');
//create .gitignore
var fs = require('fs');
var gitIgnoreBody = '#ignore files';
if(process.env.GIT_IGNORE){
var spl = process.env.GIT_IGNORE.split(',');
for(var i in spl){
if(spl[i]){
gitIgnoreBody+='\n'+spl[i];
}
}
}
var readmeBody = process.env.REPO_README || "";
fs.writeFile(status.tempPath+status.repoPath+status.zipFile+'/README.md', readmeBody, function(err) {
if(err){
return callback(createReturnObject(err, 'README.md file creation failed'));
}
fs.writeFile(status.tempPath+status.repoPath+status.zipFile+'/.gitignore', gitIgnoreBody, function(err) {
if(err){
return callback(createReturnObject(err, '.gitignore file creation failed'));
}
try{
var zip = new AdmZip(status.tempPath+status.zipPath+status.zipFile);
zip.extractAllTo(status.tempPath+status.repoPath+status.zipFile+'/', true);
return callback(null);
}catch(ex){
return callback(createReturnObject(ex, 'Unzip failed'));
}
});
});
},
//Git add new resources
gitAdd : function(callback){
if(!MUTE) console.log('GIT ADD');
status.gitRepo.add("-A",function(err){
return callback((err)?createReturnObject(err, 'git add failed'):null);
});
},
//Git commit
gitCommit : function(callback){
if(!MUTE) console.log('GIT COMMIT');
var userName = process.env.REPO_USER_NAME || "Heroku SFGit";
var userEmail = process.env.REPO_USER_EMAIL || "sfgit@heroku.com";
status.gitRepo.identify({"name":userName, "email":userEmail}, function(err, oth){
var commitMessage = process.env.REPO_COMMIT_MESSAGE || 'Automatic commit (sfgit)';
status.gitRepo.commit(commitMessage, function(err, oth){
if(err){
err.details = oth;
}
return callback((err)?createReturnObject(err, 'git commit failed'):null);
});
});
},
//Git push
gitPush : function(callback){
if(!MUTE) console.log('GIT PUSH');
status.gitRepo.remote_push("origin", "master", function(err, oth){
if(err){
err.details = oth;
}
return callback((err)?createReturnObject(err, 'git push failed'):null);
});
},
},
function(err, results){
//deletes all temp files
deleteFolderRecursive(status.tempPath+status.zipPath+'/');
deleteFolderRecursive(status.tempPath+status.repoPath+'/');
if(err
&& err.error.details
&& (err.error.details.indexOf("up-to-date")>=0 || err.error.details.indexOf("nothing to commit") >=0)){
console.log('Success', err.error.details);
return mainCallback && mainCallback(null, err.error.details);
}
var details = (err && err.error && err.details) || null;
if(err){
console.log("Error occurred",err);
}else{
console.log('Success');
details = 'Success';
}
return mainCallback && mainCallback(err, details);
})
},
}