Append overScheme to notifications explorer (#2012)

lemonldap-ng-manager/site/coffee/notifications.coffee

@@ -2,6 +2,9 @@
 # LemonLDAP::NG Notifications Explorer client
 ###
 
+# Max number of notifications to display (see overScheme)
+max = 25
+
 scheme = [
 	(v) ->
 		"groupBy=substr(uid,1)"
@@ -11,6 +14,19 @@ scheme = [
 		"uid=#{v}"
 ]
 
+# When number of children nodes exceeds "max" value
+# and does not return "null", a level is added. See
+# "$scope.updateTree" method
+overScheme =
+	(v,level,over) ->
+		# "v.length > over" avoids a loop if one user opened more than "max"
+		# notifications
+		console.log 'overSchema => level', level, 'over', over
+		if level == 1 and v.length > over
+			"uid=#{v}*&groupBy=substr(uid,#{(level+over+1)})"
+		else
+			null
+
 # Session menu
 menu =
 	actives: [
@@ -112,7 +128,7 @@ llapp.controller 'NotificationsExplorerCtrl', [ '$scope', '$translator', '$locat
 	$scope.stoggle = (scope) ->
 		node = scope.$modelValue
 		if node.nodes.length == 0
-			$scope.updateTree node.value, node.nodes, node.level, node.query
+			$scope.updateTree node.value, node.nodes, node.level, node.over, node.query, node.count
 			scope.toggle()
 
 	$scope.notifDate = (s) ->
@@ -139,19 +155,34 @@ llapp.controller 'NotificationsExplorerCtrl', [ '$scope', '$translator', '$locat
 			$scope.init()
 
 	autoId = 0
-	$scope.updateTree = (value, node, level, currentQuery) ->
+	$scope.updateTree = (value, node, level, over, currentQuery, count) ->
 		$scope.waiting = true
 		query = scheme[level] value, currentQuery
+
+		# If number of notifications exceeds "max", call it
+		if count > max
+			if tmp = overScheme value, level, over
+				over++
+				query = tmp
+				level = level - 1
+			else
+				over = 0
+		else
+			over = 0
+
+		# Launch HTTP query
 		$http.get("#{scriptname}notifications/#{$scope.type}?#{query}").then (response) ->
 			data = response.data
 			if data.result
 				for n in data.values
 					autoId++
 					n.id = "node#{autoId}"
-					if level <scheme.length - 1
+					if level < scheme.length - 1
 						n.nodes = []
 						n.level = level + 1
 						n.query = query
+						n.over  = over
+
 					node.push n
 			$scope.waiting = false
 		, (resp) ->
@@ -246,7 +277,7 @@ llapp.controller 'NotificationsExplorerCtrl', [ '$scope', '$translator', '$locat
 		$scope.currentNotification = null
 		$q.all [
 			$translator.init $scope.lang
-			$scope.updateTree '', $scope.data, 0
+			$scope.updateTree '', $scope.data, 0, 0
 		]
 		.then ->
 			$scope.waiting = false

lemonldap-ng-manager/site/htdocs/static/js/notifications.js

@@ -5,7 +5,9 @@
  */
 
 (function() {
-  var llapp, menu, scheme;
+  var llapp, max, menu, overScheme, scheme;
+
+  max = 25;
 
   scheme = [
     function(v) {
@@ -17,6 +19,15 @@
     }
   ];
 
+  overScheme = function(v, level, over) {
+    console.log('overSchema => level', level, 'over', over);
+    if (level === 1 && v.length > over) {
+      return "uid=" + v + "*&groupBy=substr(uid," + (level + over + 1) + ")";
+    } else {
+      return null;
+    }
+  };
+
   menu = {
     actives: [
       {
@@ -131,7 +142,7 @@
         var node;
         node = scope.$modelValue;
         if (node.nodes.length === 0) {
-          $scope.updateTree(node.value, node.nodes, node.level, node.query);
+          $scope.updateTree(node.value, node.nodes, node.level, node.over, node.query, node.count);
           return scope.toggle();
         }
       };
@@ -164,10 +175,21 @@
         }
       });
       autoId = 0;
-      $scope.updateTree = function(value, node, level, currentQuery) {
-        var query;
+      $scope.updateTree = function(value, node, level, over, currentQuery, count) {
+        var query, tmp;
         $scope.waiting = true;
         query = scheme[level](value, currentQuery);
+        if (count > max) {
+          if (tmp = overScheme(value, level, over)) {
+            over++;
+            query = tmp;
+            level = level - 1;
+          } else {
+            over = 0;
+          }
+        } else {
+          over = 0;
+        }
         return $http.get(scriptname + "notifications/" + $scope.type + "?" + query).then(function(response) {
           var data, i, len, n, ref;
           data = response.data;
@@ -181,6 +203,7 @@
                 n.nodes = [];
                 n.level = level + 1;
                 n.query = query;
+                n.over = over;
               }
               node.push(n);
             }
@@ -301,7 +324,7 @@
         $scope.data = [];
         $scope.currentScope = null;
         $scope.currentNotification = null;
-        $q.all([$translator.init($scope.lang), $scope.updateTree('', $scope.data, 0)]).then(function() {
+        $q.all([$translator.init($scope.lang), $scope.updateTree('', $scope.data, 0, 0)]).then(function() {
           return $scope.waiting = false;
         }, function(resp) {
           return $scope.waiting = false;