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authorJohn Molakvoæ <skjnldsv@protonmail.com>2023-04-04 08:10:43 +0200
committerJohn Molakvoæ <skjnldsv@protonmail.com>2023-04-06 14:49:32 +0200
commit014a57e54174ce9a8f2c55beafad2dd8d1c6a9d0 (patch)
tree79507dfdb6fd3b9cb8662f458a9353af0a8592c4 /apps/files/src/services/PreviewService.ts
parenta66cae02efcc27d962d867ba9a9e5da0441333e5 (diff)
downloadnextcloud-server-014a57e54174ce9a8f2c55beafad2dd8d1c6a9d0.tar.gz
nextcloud-server-014a57e54174ce9a8f2c55beafad2dd8d1c6a9d0.zip
fix: improved preview handling
Signed-off-by: John Molakvoæ <skjnldsv@protonmail.com>
Diffstat (limited to 'apps/files/src/services/PreviewService.ts')
-rw-r--r--apps/files/src/services/PreviewService.ts37
1 files changed, 37 insertions, 0 deletions
diff --git a/apps/files/src/services/PreviewService.ts b/apps/files/src/services/PreviewService.ts
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+++ b/apps/files/src/services/PreviewService.ts
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+/**
+ * @copyright Copyright (c) 2023 John Molakvoæ <skjnldsv@protonmail.com>
+ *
+ * @author John Molakvoæ <skjnldsv@protonmail.com>
+ *
+ * @license AGPL-3.0-or-later
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+// The preview service worker cache name (see webpack config)
+const SWCacheName = 'previews'
+
+/**
+ * Check if the preview is already cached by the service worker
+ */
+export const isCachedPreview = function(previewUrl: string) {
+ return caches.open(SWCacheName)
+ .then(function(cache) {
+ return cache.match(previewUrl)
+ .then(function(response) {
+ return !!response
+ })
+ })
+}