Fixes #1382: Added Search Before and After stable paging (#1385)

* WIP: 1382 Search After Paging Tests

* Implemented search before and after stable paging

* Fixed search after tests

* Default to old paging in ui

Author: niemyjski

src/Exceptionless.Web/ClientApp/app/event/event-controller.js

@@ -739,6 +739,7 @@
                             );
                         },
                         options: {
+                            page: 1,
                             limit: 10,
                             mode: "summary",
                         },

src/Exceptionless.Web/ClientApp/app/event/reference-controller.js

@@ -16,6 +16,7 @@
                 });
             },
             options: {
+                page: 1,
                 limit: 20,
                 mode: "summary",
             },

src/Exceptionless.Web/ClientApp/app/events-controller.js

@@ -214,6 +214,7 @@
                         header: "Events",
                         get: eventService.getAll,
                         options: {
+                            page: 1,
                             limit: 15,
                             mode: "summary",
                         },

src/Exceptionless.Web/ClientApp/app/stack/stack-controller.js

@@ -947,6 +947,7 @@
                             showType: false,
                         },
                         options: {
+                            page: 1,
                             limit: 10,
                             mode: "summary",
                         },

src/Exceptionless.Web/ClientApp/components/events/events-directive.js

@@ -111,11 +111,13 @@
                             vm.previous = links.previous;
                             vm.next = links.next;
 
-                            vm.pageSummary = paginationService.getCurrentPageSummary(
-                                response.data,
-                                vm.currentOptions.page,
-                                vm.currentOptions.limit
-                            );
+                            if (vm.currentOptions.page) {
+                                vm.pageSummary = paginationService.getCurrentPageSummary(
+                                    response.data,
+                                    vm.currentOptions.page,
+                                    vm.currentOptions.limit
+                                );
+                            }
 
                             if (vm.events.length === 0 && vm.currentOptions.page && vm.currentOptions.page > 1) {
                                 return get();
@@ -227,6 +229,7 @@
                         vm.beforeRelativeText = beforeRelativeText;
                         vm.canRefresh = canRefresh;
                         vm.currentEventId = vm.settings.eventId;
+                        vm.currentOptions = null;
                         vm.events = [];
                         vm.get = get;
                         vm.hasFilter = filterService.hasFilter;

src/Exceptionless.Web/ClientApp/components/events/events-directive.tpl.html

@@ -128,11 +128,7 @@
                     </ul>
                 </div>
             </div>
-            <div
-                class="col-sm-4 text-center"
-                ng-class="vm.previous || vm.next ? 'col-xs-8': 'col-xs-12'"
-                ng-if="vm.pageSummary"
-            >
+            <div class="col-sm-4 text-center" ng-class="vm.previous || vm.next ? 'col-xs-8': 'col-xs-12'">
                 <small class="text-muted inline m-t-xs">{{vm.pageSummary}}</small>
             </div>
             <div class="col-sm-4 col-xs-4 text-right" ng-if="vm.previous || vm.next">

src/Exceptionless.Web/Controllers/Base/ExceptionlessApiController.cs

@@ -219,23 +219,21 @@ protected OkWithHeadersContentResult<T> OkWithLinks<T>(T content, string[] links
         return new OkWithHeadersContentResult<T>(content, headers);
     }
 
-    protected OkWithResourceLinks<TEntity> OkWithResourceLinks<TEntity>(IEnumerable<TEntity> content, bool hasMore, Func<TEntity, string> pagePropertyAccessor = null, IHeaderDictionary headers = null, bool isDescending = false) where TEntity : class
+    protected OkWithResourceLinks<TEntity> OkWithResourceLinks<TEntity>(IEnumerable<TEntity> content, bool hasMore, int? page = null, long? total = null, string before = null, string after = null) where TEntity : class
     {
-        return new OkWithResourceLinks<TEntity>(content, hasMore, null, pagePropertyAccessor, headers, isDescending);
-    }
-
-    protected OkWithResourceLinks<TEntity> OkWithResourceLinks<TEntity>(IEnumerable<TEntity> content, bool hasMore, int page, long? total = null, IHeaderDictionary headers = null) where TEntity : class
-    {
-        return new OkWithResourceLinks<TEntity>(content, hasMore, page, total, headers: headers);
+        return new OkWithResourceLinks<TEntity>(content, hasMore, page, total, before, after);
     }
 
     protected string GetResourceLink(string url, string type)
     {
         return url != null ? $"<{url}>; rel=\"{type}\"" : null;
     }
 
-    protected bool NextPageExceedsSkipLimit(int page, int limit)
+    protected bool NextPageExceedsSkipLimit(int? page, int limit)
     {
+        if (page is null)
+            return false;
+
         return (page + 1) * limit >= MAXIMUM_SKIP;
     }
 }