HTTP2 optimization

Fast flush HTTP headers, push promise CSS.
Requires PHP 5.3+ due to anonymous function.
Do not load syles, scripts, and notifications for Ajax requests.
https://github.com/FreshRSS/FreshRSS/issues/1089

1 files changed, 33 insertions, 31 deletions

diff --git a/app/Controllers/indexController.php b/app/Controllers/indexController.php
index baaf99065..7e626720e 100755
--- a/app/Controllers/indexController.php
+++ b/app/Controllers/indexController.php
@@ -32,42 +32,44 @@ class FreshRSS_index_Controller extends Minz_ActionController {
 			Minz_Error::error(404);
 		}
 
-		try {
-			$entries = $this->listEntriesByContext();
-
-			$nb_entries = count($entries);
-			if ($nb_entries > FreshRSS_Context::$number) {
-				// We have more elements for pagination
-				$last_entry = array_pop($entries);
-				FreshRSS_Context::$next_id = $last_entry->id();
-			}
+		$this->view->callbackBeforeContent = function() {
+			try {
+				$entries = $this->listEntriesByContext();
+
+				$nb_entries = count($entries);
+				if ($nb_entries > FreshRSS_Context::$number) {
+					// We have more elements for pagination
+					$last_entry = array_pop($entries);
+					FreshRSS_Context::$next_id = $last_entry->id();
+				}
 
-			$first_entry = $nb_entries > 0 ? $entries[0] : null;
-			FreshRSS_Context::$id_max = $first_entry === null ?
-			                            (time() - 1) . '000000' :
-			                            $first_entry->id();
-			if (FreshRSS_Context::$order === 'ASC') {
-				// In this case we do not know but we guess id_max
-				$id_max = (time() - 1) . '000000';
-				if (strcmp($id_max, FreshRSS_Context::$id_max) > 0) {
-					FreshRSS_Context::$id_max = $id_max;
+				$first_entry = $nb_entries > 0 ? $entries[0] : null;
+				FreshRSS_Context::$id_max = $first_entry === null ?
+											(time() - 1) . '000000' :
+											$first_entry->id();
+				if (FreshRSS_Context::$order === 'ASC') {
+					// In this case we do not know but we guess id_max
+					$id_max = (time() - 1) . '000000';
+					if (strcmp($id_max, FreshRSS_Context::$id_max) > 0) {
+						FreshRSS_Context::$id_max = $id_max;
+					}
 				}
-			}
 
-			$this->view->entries = $entries;
-		} catch (FreshRSS_EntriesGetter_Exception $e) {
-			Minz_Log::notice($e->getMessage());
-			Minz_Error::error(404);
-		}
+				$this->view->entries = $entries;
+			} catch (FreshRSS_EntriesGetter_Exception $e) {
+				Minz_Log::notice($e->getMessage());
+				Minz_Error::error(404);
+			}
 
-		$this->view->categories = FreshRSS_Context::$categories;
+			$this->view->categories = FreshRSS_Context::$categories;
 
-		$this->view->rss_title = FreshRSS_Context::$name . ' | ' . Minz_View::title();
-		$title = FreshRSS_Context::$name;
-		if (FreshRSS_Context::$get_unread > 0) {
-			$title = '(' . FreshRSS_Context::$get_unread . ') ' . $title;
-		}
-		Minz_View::prependTitle($title . ' · ');
+			$this->view->rss_title = FreshRSS_Context::$name . ' | ' . Minz_View::title();
+			$title = FreshRSS_Context::$name;
+			if (FreshRSS_Context::$get_unread > 0) {
+				$title = '(' . FreshRSS_Context::$get_unread . ') ' . $title;
+			}
+			Minz_View::prependTitle($title . ' · ');
+		};
 	}
 
 	/**