add support for auto deleting the history (#1778)

src/components/HistoryPage.vue

@@ -1,6 +1,7 @@
 <template>
-    <h1 class="font-bold text-center" v-t="'titles.history'" />
+    <h1 class="font-bold text-center mb-3" v-t="'titles.history'" />
 
+    <div class="flex">
         <div class="flex md:items-center gap-2 flex-col md:flex-row">
             <button class="btn" v-t="'actions.clear_history'" @click="clearHistory" />
 
@@ -11,6 +12,24 @@
             </div>
         </div>
 
+        <div class="flex ml-4 items-center">
+            <input id="autoDelete" type="checkbox" v-model="autoDeleteHistory" @change="onChange" />
+            <label class="ml-2" for="autoDelete" v-t="'actions.delete_automatically'" />
+            <select class="pl-3 ml-3 select" v-model="autoDeleteDelayHours" @change="onChange">
+                <option value="1" v-t="{ path: 'info.hours', args: { amount: '1' } }" />
+                <option value="3" v-t="{ path: 'info.hours', args: { amount: '3' } }" />
+                <option value="6" v-t="{ path: 'info.hours', args: { amount: '6' } }" />
+                <option value="12" v-t="{ path: 'info.hours', args: { amount: '12' } }" />
+                <option value="24" v-t="{ path: 'info.days', args: { amount: '1' } }" />
+                <option value="72" v-t="{ path: 'info.days', args: { amount: '3' } }" />
+                <option value="168" v-t="{ path: 'info.weeks', args: { amount: '1' } }" />
+                <option value="336" v-t="{ path: 'info.weeks', args: { amount: '3' } }" />
+                <option value="672" v-t="{ path: 'info.months', args: { amount: '1' } }" />
+                <option value="1344" v-t="{ path: 'info.months', args: { amount: '2' } }" />
+            </select>
+        </div>
+    </div>
+
     <hr />
 
     <div class="video-grid">
@@ -32,18 +51,25 @@ export default {
     data() {
         return {
             videos: [],
+            autoDeleteHistory: false,
+            autoDeleteDelayHours: "24",
         };
     },
     mounted() {
+        this.autoDeleteHistory = this.getPreferenceBoolean("autoDeleteWatchHistory", false);
+        this.autoDeleteDelayHours = this.getPreferenceString("autoDeleteWatchHistoryDelayHours", "24");
+
         (async () => {
             if (window.db && this.getPreferenceBoolean("watchHistory", false)) {
-                var tx = window.db.transaction("watch_history", "readonly");
+                var tx = window.db.transaction("watch_history", "readwrite");
                 var store = tx.objectStore("watch_history");
                 const cursorRequest = store.index("watchedAt").openCursor(null, "prev");
                 cursorRequest.onsuccess = e => {
                     const cursor = e.target.result;
                     if (cursor) {
                         const video = cursor.value;
+                        if (this.videos.length < 1000) cursor.continue();
+                        if (!this.shouldRemoveVideo(video)) {
                             this.videos.push({
                                 url: "/watch?v=" + video.videoId,
                                 title: video.title,
@@ -55,7 +81,9 @@ export default {
                                 watched: true,
                                 currentTime: video.currentTime,
                             });
-                        if (this.videos.length < 1000) cursor.continue();
+                        } else {
+                            store.delete(video.videoId);
+                        }
                     }
                 };
             }
@@ -89,6 +117,16 @@ export default {
             };
             this.download(JSON.stringify(json), `piped_history_${dateStr}.json`, "application/json");
         },
+        onChange() {
+            this.setPreference("autoDeleteWatchHistory", this.autoDeleteHistory);
+            this.setPreference("autoDeleteWatchHistoryDelayHours", this.autoDeleteDelayHours);
+        },
+        shouldRemoveVideo(video) {
+            if (!this.autoDeleteHistory) return false;
+            // convert from hours to milliseconds
+            let maximumTimeDiff = Number(this.autoDeleteDelayHours) * 60 * 60 * 1000;
+            return Date.now() - video.watchedAt > maximumTimeDiff;
+        },
     },
 };
 </script>

src/locales/en.json

@@ -139,7 +139,8 @@
         "group_name": "Group name",
         "cancel": "Cancel",
         "okay": "Okay",
-        "show_search_suggestions": "Show search suggestions"
+        "show_search_suggestions": "Show search suggestions",
+        "delete_automatically": "Delete automatically after"
     },
     "comment": {
         "pinned_by": "Pinned by {author}",
@@ -196,6 +197,10 @@
         "cannot_copy": "Can't copy!",
         "local_storage": "This action requires localStorage, are cookies enabled?",
         "register_no_email_note": "Using an e-mail as username is not recommended. Proceed anyways?",
-        "next_video_countdown": "Playing next video in {0}s"
+        "next_video_countdown": "Playing next video in {0}s",
+        "hours": "{amount} hour(s)",
+        "days": "{amount} day(s)",
+        "weeks": "{amount} week(s)",
+        "months": "{amount} month(s)"
     }
 }