Keep better track of gif/mp4 thumbnail

src/error.rs

@@ -6,12 +6,6 @@ pub(crate) struct Error {
     kind: UploadError,
 }
 
-impl Error {
-    pub(crate) fn kind(&self) -> &UploadError {
-        &self.kind
-    }
-}
-
 impl std::fmt::Debug for Error {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         write!(f, "{}\n", self.kind)
@@ -75,6 +69,9 @@ pub(crate) enum UploadError {
     #[error(transparent)]
     StripPrefix(#[from] std::path::StripPrefixError),
 
+    #[error("Provided process path is invalid")]
+    ParsePath,
+
     #[error("Failed to acquire the semaphore")]
     Semaphore,
 

src/main.rs

@@ -388,7 +388,7 @@ async fn prepare_process(
     let processed_name = format!("{}.{}", name, ext);
 
     let (thumbnail_path, thumbnail_args) =
-        self::processor::build_chain(&operations, processed_name);
+        self::processor::build_chain(&operations, processed_name)?;
 
     Ok((format, name, thumbnail_path, thumbnail_args))
 }
@@ -465,40 +465,11 @@ async fn process(
         return ranged_file_resp(real_path, range, details).await;
     }
 
-    let mut original_path = manager.path_from_filename(name.clone()).await?;
+    let original_path = manager.still_path_from_filename(name.clone()).await?;
 
     let thumbnail_path2 = thumbnail_path.clone();
     let process_fut = async {
         let thumbnail_path = thumbnail_path2;
-        // Create and save a JPG for motion images (gif, mp4)
-        if let Some((updated_path, exists)) =
-            self::processor::prepare_image(original_path.clone()).await?
-        {
-            original_path = updated_path.clone();
-
-            if exists.is_new() {
-                // Save the transcoded file in another task
-                debug!("Spawning storage task");
-                let manager2 = manager.clone();
-                let name = name.clone();
-                let span = tracing::info_span!(
-                    parent: None,
-                    "Storing variant info",
-                    path = &tracing::field::debug(&updated_path),
-                    name = &tracing::field::display(&name),
-                );
-                span.follows_from(Span::current());
-                actix_rt::spawn(
-                    async move {
-                        if let Err(e) = manager2.store_variant(None, &updated_path, &name).await {
-                            error!("Error storing variant, {}", e);
-                            return;
-                        }
-                    }
-                    .instrument(span),
-                );
-            }
-        }
 
         let permit = PROCESS_SEMAPHORE.acquire().await?;
 

src/processor.rs

@@ -1,13 +1,6 @@
-use crate::{
-    error::{Error, UploadError},
-    ffmpeg::ThumbnailFormat,
-};
-use std::path::{Path, PathBuf};
-use tracing::{debug, error, instrument};
-
-fn ptos(path: &Path) -> Result<String, Error> {
-    Ok(path.to_str().ok_or(UploadError::Path)?.to_owned())
-}
+use crate::error::{Error, UploadError};
+use std::path::PathBuf;
+use tracing::instrument;
 
 pub(crate) trait Processor {
     const NAME: &'static str;
@@ -164,88 +157,41 @@ impl Processor for Blur {
 }
 
 #[instrument]
-pub(crate) fn build_chain(args: &[(String, String)], filename: String) -> (PathBuf, Vec<String>) {
-    fn parse<P: Processor>(key: &str, value: &str) -> Option<P> {
+pub(crate) fn build_chain(
+    args: &[(String, String)],
+    filename: String,
+) -> Result<(PathBuf, Vec<String>), Error> {
+    fn parse<P: Processor>(key: &str, value: &str) -> Result<Option<P>, UploadError> {
         if key == P::NAME {
-            return P::parse(key, value);
+            return Ok(Some(P::parse(key, value).ok_or(UploadError::ParsePath)?));
         }
 
-        None
+        Ok(None)
     }
 
     macro_rules! parse {
         ($inner:expr, $x:ident, $k:expr, $v:expr) => {{
-            if let Some(processor) = parse::<$x>($k, $v) {
-                return (processor.path($inner.0), processor.command($inner.1));
+            if let Some(processor) = parse::<$x>($k, $v)? {
+                return Ok((processor.path($inner.0), processor.command($inner.1)));
             };
         }};
     }
 
     let (path, args) =
         args.into_iter()
-            .fold((PathBuf::default(), vec![]), |inner, (name, value)| {
+            .fold(Ok((PathBuf::default(), vec![])), |inner, (name, value)| {
+                if let Ok(inner) = inner {
                     parse!(inner, Identity, name, value);
                     parse!(inner, Thumbnail, name, value);
                     parse!(inner, Resize, name, value);
                     parse!(inner, Crop, name, value);
                     parse!(inner, Blur, name, value);
 
-                debug!("Skipping {}: {}, invalid", name, value);
-
+                    Err(Error::from(UploadError::ParsePath))
+                } else {
                     inner
-            });
-
-    (path.join(filename), args)
-}
-
-fn is_motion(s: &str) -> bool {
-    s.ends_with(".gif") || s.ends_with(".mp4")
-}
-
-pub(crate) enum Exists {
-    Exists,
-    New,
-}
-
-impl Exists {
-    pub(crate) fn is_new(&self) -> bool {
-        matches!(self, Exists::New)
                 }
-}
-
-pub(crate) async fn prepare_image(
-    original_file: PathBuf,
-) -> Result<Option<(PathBuf, Exists)>, Error> {
-    let original_path_str = ptos(&original_file)?;
-    let jpg_path = format!("{}.jpg", original_path_str);
-    let jpg_path = PathBuf::from(jpg_path);
-
-    if tokio::fs::metadata(&jpg_path).await.is_ok() {
-        return Ok(Some((jpg_path, Exists::Exists)));
-    }
-
-    if is_motion(&original_path_str) {
-        let orig_path = original_path_str.clone();
-
-        let tmpfile = crate::tmp_file();
-        crate::safe_create_parent(&tmpfile).await?;
-
-        let res = crate::ffmpeg::thumbnail(orig_path, &tmpfile, ThumbnailFormat::Jpeg).await;
-
-        if let Err(e) = res {
-            error!("transcode error: {:?}", e);
-            tokio::fs::remove_file(&tmpfile).await?;
-            return Err(e);
-        }
-
-        return match crate::safe_move_file(tmpfile, jpg_path.clone()).await {
-            Err(e) if matches!(e.kind(), UploadError::FileExists) => {
-                Ok(Some((jpg_path, Exists::Exists)))
-            }
-            Err(e) => Err(e),
-            _ => Ok(Some((jpg_path, Exists::New))),
-        };
-    }
-
-    Ok(None)
+            })?;
+
+    Ok((path.join(filename), args))
 }

src/upload_manager/mod.rs

@@ -1,11 +1,16 @@
 use crate::{
     config::Format,
     error::{Error, UploadError},
+    ffmpeg::ThumbnailFormat,
     migrate::{alias_id_key, alias_key, alias_key_bounds, LatestDb},
 };
 use actix_web::web;
 use sha2::Digest;
-use std::{path::PathBuf, sync::Arc};
+use std::{
+    ops::{Deref, DerefMut},
+    path::PathBuf,
+    sync::Arc,
+};
 use storage_path_generator::{Generator, Path};
 use tracing::{debug, error, info, instrument, warn, Span};
 use tracing_futures::Instrument;
@@ -34,6 +39,7 @@ pub(super) use session::UploadManagerSession;
 // - Path Tree
 //   - filename -> relative path
 //   - filename / relative variant path -> relative variant path
+//   - filename / motion -> relative motion path
 // - Settings Tree
 //   - last-path -> last generated path
 //   - fs-restructure-01-complete -> bool
@@ -111,6 +117,76 @@ impl UploadManager {
         Ok(manager)
     }
 
+    pub(crate) async fn still_path_from_filename(
+        &self,
+        filename: String,
+    ) -> Result<PathBuf, Error> {
+        let path = self.path_from_filename(filename.clone()).await?;
+        let details =
+            if let Some(details) = self.variant_details(path.clone(), filename.clone()).await? {
+                details
+            } else {
+                Details::from_path(&path).await?
+            };
+
+        if !details.is_motion() {
+            return Ok(path);
+        }
+
+        if let Some(motion_path) = self.motion_path(&filename).await? {
+            return Ok(motion_path);
+        }
+
+        let jpeg_path = self.next_directory()?.join(&filename);
+        crate::safe_create_parent(&jpeg_path).await?;
+
+        let permit = crate::PROCESS_SEMAPHORE.acquire().await;
+        let res = crate::ffmpeg::thumbnail(&path, &jpeg_path, ThumbnailFormat::Jpeg).await;
+        drop(permit);
+
+        if let Err(e) = res {
+            error!("transcode error: {:?}", e);
+            self.remove_path(&jpeg_path).await?;
+            return Err(e);
+        }
+
+        self.store_motion_path(&filename, &jpeg_path).await?;
+        Ok(jpeg_path)
+    }
+
+    async fn motion_path(&self, filename: &str) -> Result<Option<PathBuf>, Error> {
+        let path_tree = self.inner.path_tree.clone();
+        let motion_key = format!("{}/motion", filename);
+
+        let opt = web::block(move || path_tree.get(motion_key.as_bytes())).await??;
+
+        if let Some(ivec) = opt {
+            return Ok(Some(
+                self.inner.root_dir.join(String::from_utf8(ivec.to_vec())?),
+            ));
+        }
+
+        Ok(None)
+    }
+
+    async fn store_motion_path(
+        &self,
+        filename: &str,
+        path: impl AsRef<std::path::Path>,
+    ) -> Result<(), Error> {
+        let path_bytes = self
+            .generalize_path(path.as_ref())?
+            .to_str()
+            .ok_or(UploadError::Path)?
+            .as_bytes()
+            .to_vec();
+        let motion_key = format!("{}/motion", filename);
+        let path_tree = self.inner.path_tree.clone();
+
+        web::block(move || path_tree.insert(motion_key.as_bytes(), path_bytes)).await??;
+        Ok(())
+    }
+
     #[instrument(skip(self))]
     pub(crate) async fn path_from_filename(&self, filename: String) -> Result<PathBuf, Error> {
         let path_tree = self.inner.path_tree.clone();
@@ -125,7 +201,12 @@ impl UploadManager {
 
     #[instrument(skip(self))]
     async fn store_path(&self, filename: String, path: &std::path::Path) -> Result<(), Error> {
-        let path_bytes = path.to_str().ok_or(UploadError::Path)?.as_bytes().to_vec();
+        let path_bytes = self
+            .generalize_path(path)?
+            .to_str()
+            .ok_or(UploadError::Path)?
+            .as_bytes()
+            .to_vec();
         let path_tree = self.inner.path_tree.clone();
         web::block(move || path_tree.insert(filename.as_bytes(), path_bytes)).await??;
         Ok(())
@@ -536,6 +617,11 @@ impl<T> Serde<T> {
 }
 
 impl Details {
+    fn is_motion(&self) -> bool {
+        self.content_type.type_() == "video"
+            || self.content_type.type_() == "image" && self.content_type.subtype() == "gif"
+    }
+
     #[tracing::instrument("Details from bytes", skip(input))]
     pub(crate) async fn from_bytes(input: web::Bytes) -> Result<Self, Error> {
         let details = crate::magick::details_bytes(input).await?;
@@ -606,6 +692,20 @@ fn delete_key(alias: &str) -> String {
     format!("{}/delete", alias)
 }
 
+impl<T> Deref for Serde<T> {
+    type Target = T;
+
+    fn deref(&self) -> &Self::Target {
+        &self.inner
+    }
+}
+
+impl<T> DerefMut for Serde<T> {
+    fn deref_mut(&mut self) -> &mut Self::Target {
+        &mut self.inner
+    }
+}
+
 impl std::fmt::Debug for UploadManager {
     fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
         f.debug_struct("UploadManager").finish()