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node-red/red/runtime/storage/localfilesystem/index.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 log = require("../../../util").log; // TODO: separate module
var util = require("./util");
var library = require("./library");
var sessions = require("./sessions");
var runtimeSettings = require("./settings");
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var projects = require("./projects");
var initialFlowLoadComplete = false;
var settings;
var localfilesystem = {
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init: function(_settings, runtime) {
settings = _settings;
var promises = [];
if (!settings.userDir) {
try {
fs.statSync(fspath.join(process.env.NODE_RED_HOME,".config.json"));
settings.userDir = process.env.NODE_RED_HOME;
} catch(err) {
try {
// Consider compatibility for older versions
if (process.env.HOMEPATH) {
fs.statSync(fspath.join(process.env.HOMEPATH,".node-red",".config.json"));
settings.userDir = fspath.join(process.env.HOMEPATH,".node-red");
}
} catch(err) {
}
if (!settings.userDir) {
settings.userDir = fspath.join(process.env.HOME || process.env.USERPROFILE || process.env.HOMEPATH || process.env.NODE_RED_HOME,".node-red");
if (!settings.readOnly) {
promises.push(fs.ensureDir(fspath.join(settings.userDir,"node_modules")));
}
}
}
}
sessions.init(settings);
runtimeSettings.init(settings);
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promises.push(library.init(settings));
promises.push(projects.init(settings, runtime));
var packageFile = fspath.join(settings.userDir,"package.json");
var packagePromise = when.resolve();
if (!settings.readOnly) {
packagePromise = function() {
try {
fs.statSync(packageFile);
} catch(err) {
var defaultPackage = {
"name": "node-red-project",
"description": "A Node-RED Project",
"version": "0.0.1",
"private": true
};
return util.writeFile(packageFile,JSON.stringify(defaultPackage,"",4));
}
return true;
}
}
return when.all(promises).then(packagePromise);
},
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getFlows: projects.getFlows,
saveFlows: projects.saveFlows,
getCredentials: projects.getCredentials,
saveCredentials: projects.saveCredentials,
getSettings: runtimeSettings.getSettings,
saveSettings: runtimeSettings.saveSettings,
getSessions: sessions.getSessions,
saveSessions: sessions.saveSessions,
getLibraryEntry: library.getLibraryEntry,
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saveLibraryEntry: library.saveLibraryEntry,
projects: projects
};
module.exports = localfilesystem;