1 files changed, 82 insertions, 0 deletions
diff --git a/src/cache/mod.rs b/src/cache/mod.rs
new file mode 100644
index 0000000..ef8491a
--- /dev/null
+++ b/src/cache/mod.rs
@@ -0,0 +1,82 @@
+// yt - A fully featured command line YouTube client
+//
+// Copyright (C) 2024 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+// This file is part of Yt.
+//
+// You should have received a copy of the License along with this program.
+// If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+
+use anyhow::Result;
+use log::info;
+use tokio::fs;
+
+use crate::{
+    app::App,
+    storage::video_database::{
+        downloader::set_video_cache_path, getters::get_videos, setters::set_state_change, Video,
+        VideoStatus,
+    },
+};
+
+async fn invalidate_video(app: &App, video: &Video, hard: bool) -> Result<()> {
+    info!("Invalidating cache of video: '{}'", video.title);
+
+    if hard {
+        if let Some(path) = &video.cache_path {
+            info!("Removing cached video at: '{}'", path.display());
+            fs::remove_file(path).await?;
+        }
+    }
+
+    set_video_cache_path(app, &video.extractor_hash, None).await?;
+
+    Ok(())
+}
+
+pub async fn invalidate(app: &App, hard: bool) -> Result<()> {
+    let all_cached_things = get_videos(app, &[VideoStatus::Cached], None).await?;
+
+    info!("Got videos to invalidate: '{}'", all_cached_things.len());
+
+    for video in all_cached_things {
+        invalidate_video(app, &video, hard).await?
+    }
+
+    Ok(())
+}
+
+pub async fn maintain(app: &App, all: bool) -> Result<()> {
+    let domain = if all {
+        vec![
+            VideoStatus::Pick,
+            //
+            VideoStatus::Watch,
+            VideoStatus::Cached,
+            VideoStatus::Watched,
+            //
+            VideoStatus::Drop,
+            VideoStatus::Dropped,
+        ]
+    } else {
+        vec![VideoStatus::Watch, VideoStatus::Cached]
+    };
+
+    let cached_videos = get_videos(app, domain.as_slice(), None).await?;
+
+    for vid in cached_videos {
+        if let Some(path) = vid.cache_path.as_ref() {
+            info!("Checking if path ('{}') exists", path.display());
+            if !path.exists() {
+                invalidate_video(app, &vid, false).await?;
+            }
+        }
+        if vid.status_change {
+            info!("Video '{}' has it's changing bit set. This is probably the result of an unexpectet exit. Clearing it", vid.title);
+            set_state_change(app, &vid.extractor_hash, false).await?;
+        }
+    }
+
+    Ok(())
+}