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node-red/red/runtime/storage/localfilesystem/projects/Project.js

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/**
* Copyright JS Foundation and other contributors, http://js.foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
**/
var fs = require('fs-extra');
var when = require('when');
var fspath = require("path");
var gitTools = require("./git");
var util = require("../util");
var defaultFileSet = require("./defaultFileSet");
var settings;
var runtime;
var log;
var projectsDir;
var authCache = require("./git/authCache");
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function Project(name) {
this.name = name;
this.path = fspath.join(projectsDir,name);
this.paths = {};
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this.auth = {origin:{}};
this.missingFiles = [];
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this.credentialSecret = null;
}
Project.prototype.load = function () {
var project = this;
var globalProjectSettings = settings.get("projects");
// console.log(globalProjectSettings)
var projectSettings = {};
if (globalProjectSettings) {
projectSettings = globalProjectSettings.projects[this.name]||{};
}
this.credentialSecret = projectSettings.credentialSecret;
this.git = projectSettings.git || { user:{} };
// this.paths.flowFile = fspath.join(this.path,"flow.json");
// this.paths.credentialsFile = fspath.join(this.path,"flow_cred.json");
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var promises = [];
return checkProjectFiles(project).then(function(missingFiles) {
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if (missingFiles.length > 0) {
project.missingFiles = missingFiles;
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}
if (missingFiles.indexOf('package.json') === -1) {
project.paths['package.json'] = fspath.join(project.path,"package.json");
promises.push(fs.readFile(project.paths['package.json'],"utf8").then(function(content) {
try {
project.package = util.parseJSON(content);
if (project.package.hasOwnProperty('node-red')) {
if (project.package['node-red'].hasOwnProperty('settings')) {
project.paths.flowFile = project.package['node-red'].settings.flowFile;
project.paths.credentialsFile = project.package['node-red'].settings.credentialsFile;
}
} else {
// TODO: package.json doesn't have a node-red section
// is that a bad thing?
}
} catch(err) {
// package.json isn't valid JSON... is a merge underway?
project.package = {};
}
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}));
} else {
project.package = {};
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}
if (missingFiles.indexOf('README.md') === -1) {
project.paths['README.md'] = fspath.join(project.path,"README.md");
promises.push(fs.readFile(project.paths['README.md'],"utf8").then(function(content) {
project.description = content;
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}));
} else {
project.description = "";
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}
// if (missingFiles.indexOf('flow.json') !== -1) {
// console.log("MISSING FLOW FILE");
// } else {
// project.paths.flowFile = fspath.join(project.path,"flow.json");
// }
// if (missingFiles.indexOf('flow_cred.json') !== -1) {
// console.log("MISSING CREDS FILE");
// } else {
// project.paths.credentialsFile = fspath.join(project.path,"flow_cred.json");
// }
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promises.push(project.loadRemotes());
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return when.settle(promises).then(function() {
return project;
})
});
};
Project.prototype.loadRemotes = function() {
var project = this;
return gitTools.getRemotes(project.path).then(function(remotes) {
project.remotes = remotes;
}).then(function() {
return project.loadBranches();
}).then(function() {
var allRemotes = Object.keys(project.remotes);
var match = "";
allRemotes.forEach(function(remote) {
if (project.branches.remote.indexOf(remote) === 0 && match.length < remote.length) {
match = remote;
}
});
project.currentRemote = project.parseRemoteBranch(project.branches.remote).remote;
});
}
Project.prototype.parseRemoteBranch = function (remoteBranch) {
if (!remoteBranch) {
return {}
}
var project = this;
var allRemotes = Object.keys(project.remotes);
var match = "";
allRemotes.forEach(function(remote) {
if (remoteBranch.indexOf(remote) === 0 && match.length < remote.length) {
match = remote;
}
});
return {
remote: match,
branch: remoteBranch.substring(match.length+1)
}
};
Project.prototype.loadBranches = function() {
var project = this;
return gitTools.getBranchInfo(project.path).then(function(branches) {
project.branches = branches;
});
}
Project.prototype.update = function (user, data) {
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var promises = [];
var project = this;
var saveSettings = false;
var saveREADME = false;
var savePackage = false;
var flowFilesChanged = false;
var credentialSecretChanged = false;
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var globalProjectSettings = settings.get("projects");
if (!globalProjectSettings.projects.hasOwnProperty(this.name)) {
globalProjectSettings.projects[this.name] = {};
saveSettings = true;
}
if (data.credentialSecret && data.credentialSecret !== this.credentialSecret) {
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var existingSecret = data.currentCredentialSecret;
var isReset = data.resetCredentialSecret;
var secret = data.credentialSecret;
// console.log("updating credentialSecret");
// console.log("request:");
// console.log(JSON.stringify(data,"",4));
// console.log(" this.credentialSecret",this.credentialSecret);
// console.log(" this.info", this.info);
if (!isReset && // not a reset
this.credentialSecret && // key already set
!this.credentialSecretInvalid && // key not invalid
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this.credentialSecret !== existingSecret) { // key doesn't match provided existing key
var e = new Error("Cannot change credentialSecret without current key");
e.code = "missing_current_credential_key";
return when.reject(e);
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}
this.credentialSecret = secret;
globalProjectSettings.projects[this.name].credentialSecret = project.credentialSecret;
delete this.credentialSecretInvalid;
saveSettings = true;
credentialSecretChanged = true;
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}
if (data.hasOwnProperty('description')) {
saveREADME = true;
this.description = data.description;
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}
if (data.hasOwnProperty('dependencies')) {
savePackage = true;
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this.package.dependencies = data.dependencies;
}
if (data.hasOwnProperty('summary')) {
savePackage = true;
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this.package.description = data.summary;
}
// if (data.hasOwnProperty('remote')) {
// // TODO: this MUST move under 'git'
// for (var remote in data.remote) {
// if (data.remote.hasOwnProperty(remote)) {
// authCache.set(project.name,remote,data.remote[remote]);
// }
// }
// }
if (data.hasOwnProperty('git')) {
if (data.git.hasOwnProperty('user')) {
var username;
if (!user) {
username = "_";
} else {
username = user.username;
}
globalProjectSettings.projects[this.name].git = globalProjectSettings.projects[this.name].git || {};
globalProjectSettings.projects[this.name].git.user = globalProjectSettings.projects[this.name].git.user || {};
globalProjectSettings.projects[this.name].git.user[username] = {
name: data.git.user.name,
email: data.git.user.email
}
this.git.user[username] = {
name: data.git.user.name,
email: data.git.user.email
}
saveSettings = true;
}
if (data.git.hasOwnProperty('remotes')) {
var remoteNames = Object.keys(data.git.remotes);
var remotesChanged = false;
var modifyRemotesPromise = when.resolve();
remoteNames.forEach(function(name) {
if (data.git.remotes[name].removed) {
remotesChanged = true;
modifyRemotesPromise = modifyRemotesPromise.then(function() { gitTools.removeRemote(project.path,name) });
} else {
if (data.git.remotes[name].url) {
remotesChanged = true;
modifyRemotesPromise = modifyRemotesPromise.then(function() { gitTools.addRemote(project.path,name,data.git.remotes[name])});
}
if (data.git.remotes[name].username && data.git.remotes[name].password) {
var url = data.git.remotes[name].url || project.remotes[name].fetch;
authCache.set(project.name,url,data.git.remotes[name]);
}
}
})
if (remotesChanged) {
modifyRemotesPromise = modifyRemotesPromise.then(function() {
return project.loadRemotes();
});
promises.push(modifyRemotesPromise);
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}
}
}
if (data.hasOwnProperty('files')) {
this.package['node-red'] = this.package['node-red'] || { settings: {}};
if (data.files.hasOwnProperty('flow') && this.package['node-red'].settings.flowFile !== data.files.flow) {
this.paths.flowFile = data.files.flow;
this.package['node-red'].settings.flowFile = data.files.flow;
savePackage = true;
flowFilesChanged = true;
}
if (data.files.hasOwnProperty('credentials') && this.package['node-red'].settings.credentialsFile !== data.files.credentials) {
this.paths.credentialsFile = data.files.credentials;
this.package['node-red'].settings.credentialsFile = data.files.credentials;
// Don't know if the credSecret is invalid or not so clear the flag
delete this.credentialSecretInvalid;
savePackage = true;
flowFilesChanged = true;
}
}
if (saveSettings) {
promises.push(settings.set("projects",globalProjectSettings));
}
if (saveREADME) {
promises.push(util.writeFile(this.paths['README.md'], this.description));
}
if (savePackage) {
promises.push(util.writeFile(this.paths['package.json'], JSON.stringify(this.package,"",4)));
}
return when.settle(promises).then(function(res) {
return {
flowFilesChanged: flowFilesChanged,
credentialSecretChanged: credentialSecretChanged
}
})
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};
Project.prototype.getFiles = function () {
return gitTools.getFiles(this.path);
};
Project.prototype.stageFile = function(file) {
return gitTools.stageFile(this.path,file);
};
Project.prototype.unstageFile = function(file) {
return gitTools.unstageFile(this.path,file);
}
Project.prototype.commit = function(user, options) {
var username;
if (!user) {
username = "_";
} else {
username = user.username;
}
var gitUser = this.git.user[username];
return gitTools.commit(this.path,options.message,gitUser);
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}
Project.prototype.getFileDiff = function(file,type) {
return gitTools.getFileDiff(this.path,file,type);
}
Project.prototype.getCommits = function(options) {
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return gitTools.getCommits(this.path,options);
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}
Project.prototype.getCommit = function(sha) {
return gitTools.getCommit(this.path,sha);
}
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Project.prototype.getFile = function (filePath,treeish) {
if (treeish !== "_") {
return gitTools.getFile(this.path, filePath, treeish);
} else {
return fs.readFile(fspath.join(this.path,filePath),"utf8");
}
};
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Project.prototype.status = function() {
var self = this;
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var fetchPromise;
if (this.remotes) {
fetchPromise = gitTools.getRemoteBranch(self.path).then(function(remoteBranch) {
if (remoteBranch) {
var allRemotes = Object.keys(self.remotes);
var match = "";
allRemotes.forEach(function(remote) {
if (remoteBranch.indexOf(remote) === 0 && match.length < remote.length) {
match = remote;
}
})
return self.fetch(match);
}
});
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} else {
fetchPromise = when.resolve();
}
var completeStatus = function(fetchError) {
var promises = [
gitTools.getStatus(self.path),
fs.exists(fspath.join(self.path,".git","MERGE_HEAD"))
];
return when.all(promises).then(function(results) {
var result = results[0];
if (results[1]) {
result.merging = true;
}
self.branches.local = result.branches.local;
self.branches.remote = result.branches.remote;
if (fetchError) {
result.branches.remoteError = {
remote: fetchError.remote,
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code: fetchError.code
}
}
return result;
});
}
return fetchPromise.then(completeStatus).catch(function(e) {
if (e.code !== 'git_auth_failed') {
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console.log("Fetch failed");
console.log(e);
}
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return completeStatus(e);
})
};
Project.prototype.push = function (remoteBranchName,setRemote) {
var remote = this.parseRemoteBranch(remoteBranchName);
return gitTools.push(this.path, remote.remote || this.currentRemote,remote.branch, setRemote, authCache.get(this.name,this.remotes[remote.remote || this.currentRemote].fetch));
};
Project.prototype.pull = function (remoteBranchName,setRemote) {
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var self = this;
if (setRemote) {
return gitTools.setUpstream(this.path, remoteBranchName).then(function() {
return gitTools.pull(self.path, null, null, authCache.get(self.name,this.remotes[this.currentRemote].fetch));
})
} else {
var remote = this.parseRemoteBranch(remoteBranchName);
return gitTools.pull(this.path, remote.remote, remote.branch, authCache.get(this.name,this.remotes[this.currentRemote].fetch));
}
};
Project.prototype.resolveMerge = function (file,resolutions) {
var filePath = fspath.join(this.path,file);
var self = this;
return fs.readFile(filePath,"utf8").then(function(content) {
var lines = content.split("\n");
var result = [];
var ignoreBlock = false;
var currentBlock;
for (var i=1;i<=lines.length;i++) {
if (resolutions.hasOwnProperty(i)) {
currentBlock = resolutions[i];
if (currentBlock.selection === "A") {
ignoreBlock = false;
} else {
ignoreBlock = true;
}
continue;
}
if (currentBlock) {
if (currentBlock.separator === i) {
if (currentBlock.selection === "A") {
ignoreBlock = true;
} else {
ignoreBlock = false;
}
continue;
} else if (currentBlock.changeEnd === i) {
currentBlock = null;
continue;
} else if (ignoreBlock) {
continue;
}
}
result.push(lines[i-1]);
}
var finalResult = result.join("\n");
return util.writeFile(filePath,finalResult).then(function() {
return self.stageFile(file);
})
});
};
Project.prototype.abortMerge = function () {
return gitTools.abortMerge(this.path);
};
Project.prototype.getBranches = function (isRemote) {
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var self = this;
var fetchPromise;
if (isRemote) {
fetchPromise = self.fetch();
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} else {
fetchPromise = when.resolve();
}
return fetchPromise.then(function() {
return gitTools.getBranches(self.path,isRemote);
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});
};
Project.prototype.fetch = function(remoteName) {
var project = this;
if (remoteName) {
return gitTools.fetch(project.path,remoteName,authCache.get(project.name,project.remotes[remoteName].fetch)).catch(function(err) {
err.remote = remoteName;
throw err;
})
} else {
var remotes = Object.keys(this.remotes);
var promise = when.resolve();
remotes.forEach(function(remote) {
promise = promise.then(function() {
return gitTools.fetch(project.path,remote,authCache.get(project.name,project.remotes[remote].fetch))
}).catch(function(err) {
err.remote = remote;
throw err;
})
});
return promise;
}
}
Project.prototype.setBranch = function (branchName, isCreate) {
var self = this;
return gitTools.checkoutBranch(this.path, branchName, isCreate).then(function() {
return self.load();
})
};
Project.prototype.getBranchStatus = function (branchName) {
return gitTools.getBranchStatus(this.path,branchName);
};
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Project.prototype.getFlowFile = function() {
console.log("Project.getFlowFile = ",this.paths.flowFile);
if (this.paths.flowFile) {
return fspath.join(this.path,this.paths.flowFile);
} else {
return null;
}
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}
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Project.prototype.getFlowFileBackup = function() {
return getBackupFilename(this.getFlowFile());
}
Project.prototype.getCredentialsFile = function() {
console.log("Project.getCredentialsFile = ",this.paths.credentialsFile);
if (this.paths.credentialsFile) {
return fspath.join(this.path,this.paths.credentialsFile);
} else {
return this.paths.credentialsFile;
}
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}
Project.prototype.getCredentialsFileBackup = function() {
return getBackupFilename(this.getCredentialsFile());
}
Project.prototype.toJSON = function () {
return {
name: this.name,
summary: this.package.description,
description: this.description,
dependencies: this.package.dependencies||{},
settings: {
credentialsEncrypted: (typeof this.credentialSecret === "string"),
credentialSecretInvalid: this.credentialSecretInvalid
},
files: {
flow: this.paths.flowFile,
credentials: this.paths.credentialsFile
},
git: {
remotes: this.remotes,
branches: this.branches
}
}
};
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function getCredentialsFilename(filename) {
// TODO: DRY - ./index.js
var ffDir = fspath.dirname(filename);
var ffExt = fspath.extname(filename);
var ffBase = fspath.basename(filename,ffExt);
return fspath.join(ffDir,ffBase+"_cred"+ffExt);
}
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function getBackupFilename(filename) {
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// TODO: DRY - ./index.js
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var ffName = fspath.basename(filename);
var ffDir = fspath.dirname(filename);
return fspath.join(ffDir,"."+ffName+".backup");
}
function checkProjectExists(project) {
var projectPath = fspath.join(projectsDir,project);
return fs.pathExists(projectPath).then(function(exists) {
if (!exists) {
var e = new Error("NLS: project not found");
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e.code = "project_not_found";
throw e;
}
});
}
function createProjectDirectory(project) {
var projectPath = fspath.join(projectsDir,project);
return fs.ensureDir(projectPath);
}
function createDefaultProject(user, project) {
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var projectPath = fspath.join(projectsDir,project.name);
// Create a basic skeleton of a project
return gitTools.initRepo(projectPath).then(function() {
var promises = [];
for (var file in defaultFileSet) {
if (defaultFileSet.hasOwnProperty(file)) {
promises.push(util.writeFile(fspath.join(projectPath,file),defaultFileSet[file](project)));
}
}
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if (project.files) {
if (project.files.flow && !/\.\./.test(project.files.flow)) {
var flowFilePath = fspath.join(projectPath,project.files.flow);
promises.push(util.writeFile(flowFilePath,"[]"));
var credsFilePath = getCredentialsFilename(flowFilePath);
promises.push(util.writeFile(credsFilePath,"{}"));
}
}
return when.all(promises).then(function() {
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var files = Object.keys(defaultFileSet);
if (project.files) {
if (project.files.flow && !/\.\./.test(project.files.flow)) {
files.push(project.files.flow);
files.push(getCredentialsFilename(flowFilePath))
}
}
return gitTools.stageFile(projectPath,files);
}).then(function() {
return gitTools.commit(projectPath,"Create project");
})
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});
}
function checkProjectFiles(project) {
var projectPath = project.path;
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var promises = [];
var paths = [];
for (var file in defaultFileSet) {
if (defaultFileSet.hasOwnProperty(file)) {
paths.push(file);
promises.push(fs.stat(fspath.join(projectPath,file)));
}
}
return when.settle(promises).then(function(results) {
var missing = [];
results.forEach(function(result,i) {
if (result.state === 'rejected') {
missing.push(paths[i]);
}
});
return missing;
}).then(function(missing) {
// if (createMissing) {
// var promises = [];
// missing.forEach(function(file) {
// promises.push(util.writeFile(fspath.join(projectPath,file),defaultFileSet[file](project)));
// });
// return promises;
// } else {
return missing;
// }
});
}
function createProject(user, metadata) {
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var project = metadata.name;
return when.promise(function(resolve,reject) {
var projectPath = fspath.join(projectsDir,project);
fs.stat(projectPath, function(err,stat) {
if (!err) {
var e = new Error("NLS: Project already exists");
e.code = "project_exists";
return reject(e);
}
createProjectDirectory(project).then(function() {
var projects = settings.get('projects');
projects.projects[project] = {};
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if (metadata.hasOwnProperty('credentialSecret')) {
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projects.projects[project].credentialSecret = metadata.credentialSecret;
}
return settings.set('projects',projects);
}).then(function() {
if (metadata.git && metadata.git.remotes && metadata.git.remotes.origin) {
var originRemote = metadata.git.remotes.origin;
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var auth;
if (originRemote.hasOwnProperty("username") && originRemote.hasOwnProperty("password")) {
authCache.set(project,originRemote.url,{ // TODO: hardcoded remote name
username: originRemote.username,
password: originRemote.password
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}
);
auth = authCache.get(project,originRemote.url);
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}
return gitTools.clone(originRemote,auth,projectPath).then(function(result) {
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// Check this is a valid project
// If it is empty
// - if 'populate' flag is set, call populateProject
// - otherwise reject with suitable error to allow UI to confirm population
// If it is missing package.json/flow.json/flow_cred.json
// - reject as invalid project
// checkProjectFiles(project).then(function(results) {
// console.log("checkProjectFiles");
// console.log(results);
// });
resolve(getProject(project));
}).catch(function(error) {
fs.remove(projectPath,function() {
reject(error);
});
})
} else {
createDefaultProject(user, metadata).then(function() { resolve(getProject(project))}).catch(reject);
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}
}).catch(reject);
})
})
}
var currentProject;
function getProject(name) {
return checkProjectExists(name).then(function() {
if (currentProject && currentProject.name === name) {
return currentProject;
}
currentProject = new Project(name);
return currentProject.load();
});
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}
function listProjects() {
return fs.readdir(projectsDir).then(function(fns) {
var dirs = [];
fns.sort().filter(function(fn) {
var fullPath = fspath.join(projectsDir,fn);
if (fn[0] != ".") {
var stats = fs.lstatSync(fullPath);
if (stats.isDirectory()) {
dirs.push(fn);
}
}
});
return dirs;
});
}
function init(_settings, _runtime) {
settings = _settings;
runtime = _runtime;
log = runtime.log;
projectsDir = fspath.join(settings.userDir,"projects");
}
module.exports = {
init: init,
get: getProject,
create: createProject,
list: listProjects
}