Code cleanup part #1: move all the services and directive JS code in the app.js file into its own files

static/js/services/image-metadata-service.js

@@ -0,0 +1,28 @@
+/**
+ * Helper service for returning information extracted from repository image metadata.
+ */
+angular.module('quay').factory('ImageMetadataService', ['UtilService', function(UtilService) {
+  var metadataService = {};
+  metadataService.getFormattedCommand = function(image) {
+    if (!image || !image.command || !image.command.length) {
+      return '';
+    }
+
+    var getCommandStr = function(command) {
+      // Handle /bin/sh commands specially.
+      if (command.length > 2 && command[0] == '/bin/sh' && command[1] == '-c') {
+        return command[2];
+      }
+
+      return command.join(' ');
+    };
+
+    return getCommandStr(image.command);
+  };
+
+  metadataService.getEscapedFormattedCommand = function(image) {
+    return UtilService.textToSafeHtml(metadataService.getFormattedCommand(image));
+  };
+
+  return metadataService;
+}]);