Added Statistics

See: https://github.com/freifunkhamburg/ffffng/issues/24

server/main.js

@@ -29,6 +29,7 @@ require('./utils/strings');
 require('./utils/urlBuilder');
 
 require('./resources/versionResource');
+require('./resources/statisticsResource');
 require('./resources/frontendResource');
 require('./resources/taskResource');
 require('./resources/mailResource');

server/resources/statisticsResource.js

@@ -0,0 +1,26 @@
+'use strict';
+
+angular.module('ffffng').factory('StatisticsResource', function (
+    Logger,
+    NodeService,
+    Resources,
+    ErrorTypes
+) {
+    return {
+        get: function (req, res) {
+            NodeService.getNodeStatistics(function (err, nodeStatistics) {
+                if (err) {
+                    Logger.tag('statistics').error('Error getting statistics:', err);
+                    return Resources.error(res, {data: 'Internal error.', type: ErrorTypes.internalError});
+                }
+
+                return Resources.success(
+                    res,
+                    {
+                        nodes: nodeStatistics
+                    }
+                );
+            });
+        }
+    };
+});

server/router.js

@@ -3,6 +3,7 @@
 angular.module('ffffng').factory('Router', function (
     app,
     VersionResource,
+    StatisticsResource,
     FrontendResource,
     NodeResource,
     MonitoringResource,
@@ -23,6 +24,8 @@ angular.module('ffffng').factory('Router', function (
             app.put('/api/monitoring/confirm/:token', MonitoringResource.confirm);
             app.put('/api/monitoring/disable/:token', MonitoringResource.disable);
 
+            app.get('/internal/api/statistics', StatisticsResource.get);
+
             app.get('/internal/api/tasks', TaskResource.getAll);
             app.put('/internal/api/tasks/run/:id', TaskResource.run);
             app.put('/internal/api/tasks/enable/:id', TaskResource.enable);

server/services/nodeService.js

@@ -490,6 +490,45 @@ angular.module('ffffng')
                     callback
                 );
             });
+        },
+
+        getNodeStatistics: function (callback) {
+            this.getAllNodes(function (err, nodes) {
+                if (err) {
+                    return callback(err);
+                }
+
+                var nodeStatistics = {
+                    registered: _.size(nodes),
+                    withVPN: 0,
+                    withCoords: 0,
+                    monitoring: {
+                        active: 0,
+                        pending: 0
+                    }
+                };
+
+                _.each(nodes, function (node) {
+                    if (node.key) {
+                        nodeStatistics.withVPN += 1;
+                    }
+
+                    if (node.coords) {
+                        nodeStatistics.withCoords += 1;
+                    }
+
+                    switch (node.monitoringState) {
+                        case 'active':
+                            nodeStatistics.monitoring.active += 1;
+                        break;
+                        case 'pending':
+                            nodeStatistics.monitoring.pending += 1;
+                        break;
+                    }
+                });
+
+                callback(null, nodeStatistics);
+            })
         }
     };
 });