Base chargement/parsing fichiers Desktop

js/fs.js

@@ -0,0 +1,104 @@
+(function(Pitaya) {
+
+  "use strict";
+
+  var ini = require('ini');
+  var glob = require('glob');
+  var path = require('path');
+  var fs = require('fs');
+
+  var FS = Pitaya.FS = {};
+
+  FS.loadAllDesktopFiles = function(rootDirs) {
+
+    return FS.findAllDesktopFiles(rootDirs)
+      .then(function(filePaths) {
+
+        var promises = filePaths.map(function(path) {
+          return FS.loadDesktopFile(path);
+        });
+
+        return Promise.all(promises)
+          .then(function(desktopFiles) {
+            return desktopFiles.map(function(desktop, i) {
+              return {
+                path: filePaths[i],
+                desktop: desktop
+              };
+            });
+          })
+        ;
+
+      })
+    ;
+
+  };
+
+  FS.findAllDesktopFiles = function(rootDirs) {
+
+    if(!Array.isArray(rootDirs)) {
+      rootDirs = [rootDirs];
+    }
+
+    var promises = rootDirs.map(function(rootDir) {
+
+      var globPath = path.join(rootDir, '**/*.desktop');
+
+      return new Promise(function(resolve, reject) {
+        glob(globPath, function(err, files) {
+          if(err) return reject(err);
+          return resolve(files);
+        });
+      });
+
+    });
+
+    return Promise.all(promises)
+      .then(function(apps) {
+        return uniq(flatten(apps));
+      })
+    ;
+
+  };
+
+  FS.loadDesktopFile = function(filePath) {
+    return new Promise(function(resolve, reject) {
+      fs.readFile(filePath, 'utf8', function(err, content) {
+        if(err) return reject(err);
+        try {
+          var decoded = ini.decode(content);
+          return resolve(decoded);
+        } catch(err) {
+          return reject(err);
+        }
+      });
+    });
+  };
+
+  // Array helpers
+
+  function flatten(arr) {
+    return arr.reduce(function(result, item) {
+      result = result.concat.apply(result, Array.isArray(item) ? flatten(item) : [item]);
+      return result;
+    }, []);
+  }
+
+  function uniq(arr) {
+    return arr.reduce(function(result, item) {
+      if(result.indexOf(item) === -1) {
+        result.push(item);
+      }
+      return result;
+    }, []);
+  }
+
+
+}(Pitaya = global.Pitaya || {}));
+
+
+Pitaya.FS.loadAllDesktopFiles(['/usr/share/applications', '/home/william/.local/share/applications'])
+  .then(function(apps) {
+    console.log(apps[5])
+  })
+;