[api] Added concept of "System" module

  * Allows for creation of fake systems data
  * So far has file-system related methods
    * Mime-types
    * File extensions
    * File names

1 files changed, 97 insertions, 0 deletions

diff --git a/lib/system.js b/lib/system.js
new file mode 100644
index 00000000..6d7fcf11
--- /dev/null
+++ b/lib/system.js
@@ -0,0 +1,97 @@
+// generates fake data for many computer systems properties
+
+function System (faker) {
+
+  // generates a file name with extension or optional type
+  this.fileName = function (ext, type) {
+    var str = faker.fake("{{random.words}}.{{system.fileExt}}");
+    str = str.replace(/ /g, '_');
+    str = str.replace(/\,/g, '_');
+    str = str.replace(/\-/g, '_');
+    str = str.replace(/\\/g, '_');
+    str = str.toLowerCase();
+    return str;
+  };
+
+  this.commonFileName = function (ext, type) {
+    var str = faker.fake("{{random.words}}.{{system.commonFileExt}}");
+    str = str.replace(/ /g, '_');
+    str = str.replace(/\,/g, '_');
+    str = str.replace(/\-/g, '_');
+    str = str.replace(/\\/g, '_');
+    str = str.toLowerCase();
+    return str;
+  };
+
+  this.mimeType = function () {
+    return faker.random.arrayElement(Object.keys(faker.definitions.system.mimeTypes));
+  };
+
+  // returns a commonly used file type
+  this.commonFileType = function () {
+    var types = ['video', 'audio', 'image', 'text', 'application'];
+    return faker.random.arrayElement(types)
+  };
+
+  // returns a commonly used file extension based on optional type
+  this.commonFileExt = function (type) {
+    var types = [
+      'application/pdf',
+      'audio/mpeg',
+      'audio/wav',
+      'image/png',
+      'image/jpeg',
+      'image/gif',
+      'video/mp4',
+      'video/mpeg',
+      'text/html'
+    ];
+    return faker.system.fileExt(faker.random.arrayElement(types));
+  };
+
+
+  // returns any file type available as mime-type
+  this.fileType = function () {
+    var types = [];
+    var mimes = faker.definitions.system.mimeTypes;
+    Object.keys(mimes).forEach(function(m){
+      var parts = m.split('/');
+      if (types.indexOf(parts[0]) === -1) {
+        types.push(parts[0]);
+      }
+    });
+    return faker.random.arrayElement(types);
+  };
+
+  this.fileExt = function (mimeType) {
+    var exts = [];
+    var mimes = faker.definitions.system.mimeTypes;
+
+    // get specific ext by mime-type
+    if (typeof mimes[mimeType] === "object") {
+      return faker.random.arrayElement(mimes[mimeType].extensions);
+    }
+
+    // reduce mime-types to those with file-extensions
+    Object.keys(mimes).forEach(function(m){
+      if (mimes[m].extensions instanceof Array) {
+        mimes[m].extensions.forEach(function(ext){
+          exts.push(ext)
+        });
+      }
+    });
+    return faker.random.arrayElement(exts);
+  };
+
+  this.directoryPath = function () {
+    // TODO
+  };
+
+  this.filePath = function () {
+    // TODO
+  };
+
+
+}
+
+module['exports'] = System;
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