Adding blurhash to image_details.

- Fixes #5142

crates/api_common/src/request.rs

@@ -12,7 +12,7 @@ use futures::StreamExt;
 use lemmy_db_schema::{
   newtypes::DbUrl,
   source::{
-    images::{ImageDetailsForm, LocalImage, LocalImageForm},
+    images::{ImageDetailsInsertForm, LocalImage, LocalImageForm},
     post::{Post, PostUpdateForm},
     site::Site,
   },
@@ -271,17 +271,20 @@ pub struct PictrsFileDetails {
   pub height: u16,
   pub content_type: String,
   pub created_at: DateTime<Utc>,
+  // TODO this can get changed to String on future versions of pictrs
+  pub blurhash: Option<String>,
 }
 
 impl PictrsFileDetails {
   /// Builds the image form. This should always use the thumbnail_url,
   /// Because the post_view joins to it
-  pub fn build_image_details_form(&self, thumbnail_url: &Url) -> ImageDetailsForm {
+  pub fn build_image_details_form(&self, thumbnail_url: &Url) -> ImageDetailsInsertForm {
-    ImageDetailsForm {
+    ImageDetailsInsertForm {
       link: thumbnail_url.clone().into(),
       width: self.width.into(),
       height: self.height.into(),
       content_type: self.content_type.clone(),
+      blurhash: self.blurhash.clone(),
     }
   }
 }

crates/db_schema/src/impls/images.rs

@@ -1,7 +1,7 @@
 use crate::{
   newtypes::DbUrl,
   schema::{image_details, local_image, remote_image},
-  source::images::{ImageDetails, ImageDetailsForm, LocalImage, LocalImageForm, RemoteImage},
+  source::images::{ImageDetails, ImageDetailsInsertForm, LocalImage, LocalImageForm, RemoteImage},
   utils::{get_conn, DbPool},
 };
 use diesel::{
@@ -20,7 +20,7 @@ impl LocalImage {
   pub async fn create(
     pool: &mut DbPool<'_>,
     form: &LocalImageForm,
-    image_details_form: &ImageDetailsForm,
+    image_details_form: &ImageDetailsInsertForm,
   ) -> Result<Self, Error> {
     let conn = &mut get_conn(pool).await?;
     conn
@@ -84,7 +84,10 @@ impl RemoteImage {
 }
 
 impl ImageDetails {
-  pub async fn create(pool: &mut DbPool<'_>, form: &ImageDetailsForm) -> Result<usize, Error> {
+  pub async fn create(
+    pool: &mut DbPool<'_>,
+    form: &ImageDetailsInsertForm,
+  ) -> Result<usize, Error> {
     let conn = &mut get_conn(pool).await?;
 
     insert_into(image_details::table)

crates/db_schema/src/schema.rs

@@ -303,6 +303,8 @@ diesel::table! {
         width -> Int4,
         height -> Int4,
         content_type -> Text,
+        #[max_length = 50]
+        blurhash -> Nullable<Varchar>,
     }
 }
 

crates/db_schema/src/source/images.rs

@@ -64,14 +64,16 @@ pub struct ImageDetails {
   pub width: i32,
   pub height: i32,
   pub content_type: String,
+  pub blurhash: Option<String>,
 }
 
 #[derive(Debug, Clone)]
 #[cfg_attr(feature = "full", derive(Insertable, AsChangeset))]
 #[cfg_attr(feature = "full", diesel(table_name = image_details))]
-pub struct ImageDetailsForm {
+pub struct ImageDetailsInsertForm {
   pub link: DbUrl,
   pub width: i32,
   pub height: i32,
   pub content_type: String,
+  pub blurhash: Option<String>,
 }

migrations/2024-11-25-161129_add_blurhash_to_image_details/down.sql

@@ -0,0 +1,3 @@
+ALTER TABLE image_details
+    DROP COLUMN blurhash;
+

migrations/2024-11-25-161129_add_blurhash_to_image_details/up.sql

@@ -0,0 +1,6 @@
+-- Add a blurhash column for image_details
+ALTER TABLE image_details
+-- Supposed to be 20-30 chars, use 50 to be safe
+-- TODO this should be made not null for future versions of pictrs
+    ADD COLUMN blurhash varchar(50);
+