All files / universal/gpii/node_modules/journal/src SettingsDir.js

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/**
 * GPII SettingsDir.js
 *
 * Determines the user's settings directory on a variety of platforms,
 * and manages establishment of a subdirectory "/gpii" to hold writable files
 * for the system's journal and other purposes
 *
 * Copyright 2016 Raising the Floor - International
 *
 * Licensed under the New BSD license. You may not use this file except in
 * compliance with this License.
 *
 */
 
"use strict";
 
var fluid = require("infusion"),
    gpii = fluid.registerNamespace("gpii"),
    os = require("os"),
    fs = require("fs");
 
fluid.defaults("gpii.settingsDir", {
    gradeNames: ["fluid.component", "fluid.contextAware"],
    contextAwareness: {
        platform: {
            checks: {
                test: {
                    contextValue: "{gpii.contexts.test}",
                    gradeNames: "gpii.settingsDir.temp",
                    priority: "first"
                },
                windows: {
                    contextValue: "{gpii.contexts.windows}",
                    gradeNames: "gpii.settingsDir.windows"
                },
                linux: {
                    contextValue: "{gpii.contexts.linux}",
                    gradeNames: "gpii.settingsDir.standard"
                }
            },
            defaultGradeNames: "gpii.settingsDir.temp"
        }
    },
    members: {
        gpiiSettingsDir: "@expand:{that}.getGpiiSettingsDir()"
    },
    invokers: {
        getGpiiSettingsDir: "gpii.settingsDir.gpii({that}.getBaseSettingsDir)",
        getBaseSettingsDir: "fluid.notImplemented"
    },
    listeners: {
        "onCreate.createGpiiDir": "gpii.settingsDir.createGpii"
    }
});
 
fluid.defaults("gpii.settingsDir.temp", {
    invokers: {
        getBaseSettingsDir: "gpii.settingsDir.baseDir.temp"
    }
});
 
fluid.defaults("gpii.settingsDir.windows", {
    invokers: {
        getBaseSettingsDir: "gpii.settingsDir.baseDir.windows"
    }
});
 
fluid.defaults("gpii.settingsDir.standard", {
    invokers: {
        getBaseSettingsDir: "gpii.settingsDir.baseDir.standard"
    }
});
 
gpii.settingsDir.createGpii = function (that) {
    fluid.log(fluid.logLevel.WARN, "Creating GPII settings directory in ", that.gpiiSettingsDir);
    try { // See code skeleton in http://stackoverflow.com/questions/13696148/node-js-create-folder-or-use-existing
        fs.mkdirSync(that.gpiiSettingsDir);
    } catch (e) {
        Iif (e.code !== "EEXIST") {
            fluid.fail("Unable to create GPII settings directory, code is " + e.code + ": exception ", e);
        }
    }
};
 
gpii.settingsDir.gpii = function (getBaseSettingsDir) {
    return getBaseSettingsDir() + "/gpii";
};
 
fluid.registerNamespace("gpii.settingsDir.baseDir");
 
gpii.settingsDir.baseDir.windows = function () {
    return process.env.APPDATA;
};
 
gpii.settingsDir.baseDir.standard = function () {
    return os.homedir();
};
 
gpii.settingsDir.baseDir.temp = function () {
    return os.tmpdir();
};