Always save remote image data (#4875)

* Always save remote image data

* cleanup

---------

Co-authored-by: Felix Ableitner <me@nutomic.com>
Co-authored-by: Dessalines <dessalines@users.noreply.github.com>

crates/api_common/src/utils.rs

@@ -17,7 +17,7 @@ use lemmy_db_schema::{
     community::{Community, CommunityModerator, CommunityUpdateForm},
     community_block::CommunityBlock,
     email_verification::{EmailVerification, EmailVerificationForm},
-    images::RemoteImage,
+    images::{ImageDetails, RemoteImage},
     instance::Instance,
     instance_block::InstanceBlock,
     local_site::LocalSite,
@@ -954,6 +954,7 @@ pub async fn process_markdown(
 
   if context.settings().pictrs_config()?.image_mode() == PictrsImageMode::ProxyAllImages {
     let (text, links) = markdown_rewrite_image_links(text);
+    RemoteImage::create(&mut context.pool(), links.clone()).await?;
 
     // Create images and image detail rows
     for link in links {
@@ -963,7 +964,7 @@ pub async fn process_markdown(
         let proxied =
           build_proxied_image_url(&link, &context.settings().get_protocol_and_hostname())?;
         let details_form = details.build_image_details_form(&proxied);
-        RemoteImage::create(&mut context.pool(), &details_form).await?;
+        ImageDetails::create(&mut context.pool(), &details_form).await?;
       }
     }
     Ok(text)
@@ -999,13 +1000,15 @@ async fn proxy_image_link_internal(
   if link.domain() == Some(&context.settings().hostname) {
     Ok(link.into())
   } else if image_mode == PictrsImageMode::ProxyAllImages {
+    RemoteImage::create(&mut context.pool(), vec![link.clone()]).await?;
+
     let proxied = build_proxied_image_url(&link, &context.settings().get_protocol_and_hostname())?;
     // This should fail softly, since pictrs might not even be running
     let details_res = fetch_pictrs_proxied_image_details(&link, context).await;
 
     if let Ok(details) = details_res {
       let details_form = details.build_image_details_form(&proxied);
-      RemoteImage::create(&mut context.pool(), &details_form).await?;
+      ImageDetails::create(&mut context.pool(), &details_form).await?;
     };
 
     Ok(proxied.into())
@@ -1151,7 +1154,7 @@ mod tests {
     assert!(
       RemoteImage::validate(&mut context.pool(), remote_image.into())
         .await
-        .is_err()
+        .is_ok()
     );
   }
 }

crates/db_schema/src/impls/images.rs

@@ -1,14 +1,7 @@
 use crate::{
   newtypes::DbUrl,
   schema::{image_details, local_image, remote_image},
-  source::images::{
-    ImageDetails,
-    ImageDetailsForm,
-    LocalImage,
-    LocalImageForm,
-    RemoteImage,
-    RemoteImageForm,
-  },
+  source::images::{ImageDetails, ImageDetailsForm, LocalImage, LocalImageForm, RemoteImage},
   utils::{get_conn, DbPool},
 };
 use diesel::{
@@ -20,7 +13,8 @@ use diesel::{
   NotFound,
   QueryDsl,
 };
-use diesel_async::{AsyncPgConnection, RunQueryDsl};
+use diesel_async::RunQueryDsl;
+use url::Url;
 
 impl LocalImage {
   pub async fn create(
@@ -38,7 +32,7 @@ impl LocalImage {
             .get_result::<Self>(conn)
             .await;
 
-          ImageDetails::create(conn, image_details_form).await?;
+          ImageDetails::create(&mut conn.into(), image_details_form).await?;
 
           local_insert
         }) as _
@@ -60,26 +54,16 @@ impl LocalImage {
 }
 
 impl RemoteImage {
-  pub async fn create(pool: &mut DbPool<'_>, form: &ImageDetailsForm) -> Result<usize, Error> {
+  pub async fn create(pool: &mut DbPool<'_>, links: Vec<Url>) -> Result<usize, Error> {
     let conn = &mut get_conn(pool).await?;
-    conn
-      .build_transaction()
-      .run(|conn| {
-        Box::pin(async move {
-          let remote_image_form = RemoteImageForm {
-            link: form.link.clone(),
-          };
-          let remote_insert = insert_into(remote_image::table)
-            .values(remote_image_form)
-            .on_conflict_do_nothing()
-            .execute(conn)
-            .await;
-
-          ImageDetails::create(conn, form).await?;
-
-          remote_insert
-        }) as _
-      })
+    let forms = links
+      .into_iter()
+      .map(|url| remote_image::dsl::link.eq::<DbUrl>(url.into()))
+      .collect::<Vec<_>>();
+    insert_into(remote_image::table)
+      .values(forms)
+      .on_conflict_do_nothing()
+      .execute(conn)
       .await
   }
 
@@ -100,10 +84,9 @@ impl RemoteImage {
 }
 
 impl ImageDetails {
-  pub(crate) async fn create(
-    conn: &mut AsyncPgConnection,
-    form: &ImageDetailsForm,
-  ) -> Result<usize, Error> {
+  pub async fn create(pool: &mut DbPool<'_>, form: &ImageDetailsForm) -> Result<usize, Error> {
+    let conn = &mut get_conn(pool).await?;
+
     insert_into(image_details::table)
       .values(form)
       .on_conflict_do_nothing()

crates/db_schema/src/source/images.rs

@@ -51,13 +51,6 @@ pub struct RemoteImage {
   pub published: DateTime<Utc>,
 }
 
-#[derive(Debug, Clone)]
-#[cfg_attr(feature = "full", derive(Insertable, AsChangeset))]
-#[cfg_attr(feature = "full", diesel(table_name = remote_image))]
-pub struct RemoteImageForm {
-  pub link: DbUrl,
-}
-
 #[skip_serializing_none]
 #[derive(Clone, PartialEq, Eq, Debug, Serialize, Deserialize)]
 #[cfg_attr(feature = "full", derive(Queryable, Selectable, Identifiable, TS))]