Now allows to configure an App during runtime and get its configuration options. Configure will trigger reload routing.

js/common/modules/org/arangodb/foxx/manager-utils.js

@@ -391,6 +391,17 @@ function updateApp (mount, update) {
   return tmp_getStorage().updateByExample({mount: mount}, update);
 }
 
+////////////////////////////////////////////////////////////////////////////////
+/// @brief define regex for parameter types
+////////////////////////////////////////////////////////////////////////////////
+var typeToRegex = {
+  "int": /[0-9]+/,
+  "integer": /[0-9]+/,
+  "boolean": /(true)|(false)/,
+  "bool": /(true)|(false)/,
+  "string": /[\w\W]*/
+};
+
 ////////////////////////////////////////////////////////////////////////////////
 /// @brief Exports
 ////////////////////////////////////////////////////////////////////////////////
@@ -406,6 +417,7 @@ exports.repackZipFile = repackZipFile;
 exports.processDirectory = processDirectory;
 exports.processGithubRepository = processGithubRepository;
 exports.validateAppName = validateAppName;
+exports.typeToRegex = typeToRegex;
 
 exports.tmp_getStorage = tmp_getStorage;
 

js/server/modules/org/arangodb/foxx/arangoApp.js

@@ -40,6 +40,8 @@
   var internal = require("internal");
   var db = internal.db;
   var _= require("underscore");
+  var utils = require("org/arangodb/foxx/manager-utils");
+
 // -----------------------------------------------------------------------------
 // --SECTION--                                      constructors and destructors
 // -----------------------------------------------------------------------------
@@ -187,6 +189,56 @@ var ArangoApp = function (config) {
     return this._appContext;
   };
 
+////////////////////////////////////////////////////////////////////////////////
+/// @brief set app configuration
+////////////////////////////////////////////////////////////////////////////////
+
+  ArangoApp.prototype.configure = function(config) {
+    var expected = this._manifest.configuration;
+    var attr;
+    var type;
+    var invalid = [];
+    this._options.configuration = this._options.configuration || {};
+    for (attr in config) {
+      if (config.hasOwnProperty(attr)) {
+        if (!expected.hasOwnProperty(attr)) {
+          invalid.push("Unexpected Attribute " + attr);
+        } else {
+          type = expected[attr].type;
+          if (!(utils.typeToRegex[type]).test(config[attr])) {
+            invalid.push("Attribute " + attr + " has wrong type, expected: " + type);
+          } else {
+            this._options.configuration[attr] = config[attr];
+          }
+        }
+      }
+    }
+    return invalid;
+  };
+
+////////////////////////////////////////////////////////////////////////////////
+/// @brief get app configuration
+////////////////////////////////////////////////////////////////////////////////
+
+  ArangoApp.prototype.getConfiguration = function() {
+    if (!this._manifest.hasOwnProperty("configuration")) {
+      return {};
+    }
+    // Make sure originial is unmodified
+    var config = JSON.parse(JSON.stringify(this._manifest.configuration));
+    var setting = this._options.configuration || {};
+    var attr;
+    for (attr in config) {
+      if (config.hasOwnProperty(attr)) {
+        if (setting.hasOwnProperty(attr)) {
+          config[attr].current = setting[attr];
+        } else if (config[attr].hasOwnProperty("default")) {
+          config[attr].current = config[attr].default;
+        }
+      }
+    }
+    return config;
+  };
 
 ////////////////////////////////////////////////////////////////////////////////
 /// @brief loadAppScript

js/server/modules/org/arangodb/foxx/manager.js

@@ -1274,6 +1274,7 @@ exports.initializeFoxx = function () {
   ////////////////////////////////////////////////////////////////////////////////
 
   var lookupApp = function(mount) {
+    require("console").log(Object.keys(appCache));
     if (!appCache.hasOwnProperty(mount)) {
       throw "App not found";
     }
@@ -1784,8 +1785,6 @@ exports.initializeFoxx = function () {
     executeGlobalContextFunction("reloadRouting");
   };
 
-
-
   ////////////////////////////////////////////////////////////////////////////////
   /// @brief Internal install function. Check install.
   /// Does not check parameters and throws errors.
@@ -1949,6 +1948,29 @@ exports.initializeFoxx = function () {
     _toggleDevelopment(mount, false);
   };
 
+  var configure = function(mount, options) {
+    checkParameter(
+      "mount(<mount>)",
+      [ [ "Mount path", "string" ] ],
+      [ mount ] );
+    var app = lookupApp(mount);
+    var invalid = app.configure(options);
+    if (invalid.length > 0) {
+      require("console").log(invalid);
+    }
+    utils.updateApp(mount, app.toJSON());
+    executeGlobalContextFunction("reloadRouting");
+  };
+
+  var configuration = function(mount) {
+    checkParameter(
+      "mount(<mount>)",
+      [ [ "Mount path", "string" ] ],
+      [ mount ] );
+    var app = lookupApp(mount);
+    return app.getConfiguration();
+  };
+
   // -----------------------------------------------------------------------------
   // --SECTION--                                                           exports
   // -----------------------------------------------------------------------------
@@ -1967,6 +1989,8 @@ exports.initializeFoxx = function () {
   exports.appRoutes = appRoutes;
   exports.development = setDevelopment;
   exports.production = setProduction;
+  exports.configure = configure;
+  exports.configuration = configuration;
 
   ////////////////////////////////////////////////////////////////////////////////
   /// @brief Exports from foxx utils module.

js/server/modules/org/arangodb/foxx/request_context.js

@@ -24,6 +24,7 @@
 /// Copyright holder is triAGENS GmbH, Cologne, Germany
 ///
 /// @author Lucas Dohmen
+/// @author Michael Hackstein
 /// @author Copyright 2013, triAGENS GmbH, Cologne, Germany
 ////////////////////////////////////////////////////////////////////////////////