Feature/custom emoji and tagline views (#4580)

* Add custom_emoji list route

* Add tagline list route

* Apply linting

* Remove unecessary TaglineView

* Add category filter for custom emoji

* Add create tagline endpoint

* Add update tagline endpoint

* Add delete tagline endpoint

* Format through lint.sh

* Remove custom_emojis and taglines from site resource

* Get random tagline on site requets

* Impl Crud for Tagline

Remove superfluous properties

* Move tagline endpoints under /admin

* Impl Crud for CustomEmoji

* Remove delete from tagline and custom emoji impls

* Check  markdown for tagline

* Validate markdown on tagline

* Make content fields non optional

Add error types for tagline validation

* Use process_markdown instead of process_markdown_opt

* Consolidate Tagline error types

* Remove unecessary clone

* Updat misleading comments

* Remove local_site_id from tagline and custom_emoji

* Update TaglineInserForm and TaglineUpdateForm

* Add ignore_page_limits for custom emojis

EmojiPicker needs to be able to retrieve all emojis in 1 call

* Update custom_emoji_view

Only keep get_all als helper function calling list with paging ignored

Only order on category when filtering on category

* Removing pointless get_all fn.

* remove tagline length checks

* make fields of TaglineInsertForm and TaglineUpdateForm mandatory

* move emoji order statement

* add comment for GetSiteResponse.tagline

---------

Co-authored-by: Freakazoid182 <>
Co-authored-by: SleeplessOne1917 <28871516+SleeplessOne1917@users.noreply.github.com>
Co-authored-by: Dessalines <tyhou13@gmx.com>
Co-authored-by: Felix Ableitner <me@nutomic.com>

crates/api/src/site/leave_admin.rs

@@ -12,7 +12,7 @@ use lemmy_db_schema::{
   },
   traits::Crud,
 };
-use lemmy_db_views::structs::{CustomEmojiView, LocalUserView, SiteView};
+use lemmy_db_views::structs::{LocalUserView, SiteView};
 use lemmy_db_views_actor::structs::PersonView;
 use lemmy_utils::{
   error::{LemmyErrorType, LemmyResult},
@@ -61,11 +61,9 @@ pub async fn leave_admin(
 
   let all_languages = Language::read_all(&mut context.pool()).await?;
   let discussion_languages = SiteLanguage::read_local_raw(&mut context.pool()).await?;
-  let taglines = Tagline::get_all(&mut context.pool(), site_view.local_site.id).await?;
-  let custom_emojis =
-    CustomEmojiView::get_all(&mut context.pool(), site_view.local_site.id).await?;
   let oauth_providers = OAuthProvider::get_all_public(&mut context.pool()).await?;
   let blocked_urls = LocalSiteUrlBlocklist::get_all(&mut context.pool()).await?;
+  let tagline = Tagline::get_random(&mut context.pool()).await?;
 
   Ok(Json(GetSiteResponse {
     site_view,
@@ -74,10 +72,9 @@ pub async fn leave_admin(
     my_user: None,
     all_languages,
     discussion_languages,
-    taglines,
-    custom_emojis,
     oauth_providers: Some(oauth_providers),
     admin_oauth_providers: None,
     blocked_urls,
+    tagline,
   }))
 }

crates/api_common/src/custom_emoji.rs

@@ -1,6 +1,7 @@
 use lemmy_db_schema::newtypes::CustomEmojiId;
 use lemmy_db_views::structs::CustomEmojiView;
 use serde::{Deserialize, Serialize};
+use serde_with::skip_serializing_none;
 #[cfg(feature = "full")]
 use ts_rs::TS;
 use url::Url;
@@ -46,3 +47,23 @@ pub struct DeleteCustomEmoji {
 pub struct CustomEmojiResponse {
   pub custom_emoji: CustomEmojiView,
 }
+
+#[derive(Debug, Serialize, Deserialize, Clone)]
+#[cfg_attr(feature = "full", derive(TS))]
+#[cfg_attr(feature = "full", ts(export))]
+/// A response for custom emojis.
+pub struct ListCustomEmojisResponse {
+  pub custom_emojis: Vec<CustomEmojiView>,
+}
+
+#[skip_serializing_none]
+#[derive(Debug, Serialize, Deserialize, Clone, Default, PartialEq, Eq, Hash)]
+#[cfg_attr(feature = "full", derive(TS))]
+#[cfg_attr(feature = "full", ts(export))]
+/// Fetches a list of custom emojis.
+pub struct ListCustomEmojis {
+  pub page: Option<i64>,
+  pub limit: Option<i64>,
+  pub category: Option<String>,
+  pub ignore_page_limits: Option<bool>,
+}

crates/api_common/src/lib.rs

@@ -16,6 +16,7 @@ pub mod request;
 #[cfg(feature = "full")]
 pub mod send_activity;
 pub mod site;
+pub mod tagline;
 #[cfg(feature = "full")]
 pub mod utils;
 

crates/api_common/src/site.rs

@@ -30,7 +30,6 @@ use lemmy_db_schema::{
 };
 use lemmy_db_views::structs::{
   CommentView,
-  CustomEmojiView,
   LocalUserView,
   PostView,
   RegistrationApplicationView,
@@ -202,7 +201,6 @@ pub struct CreateSite {
   pub captcha_difficulty: Option<String>,
   pub allowed_instances: Option<Vec<String>>,
   pub blocked_instances: Option<Vec<String>>,
-  pub taglines: Option<Vec<String>>,
   pub registration_mode: Option<RegistrationMode>,
   pub oauth_registration: Option<bool>,
   pub content_warning: Option<String>,
@@ -288,8 +286,6 @@ pub struct EditSite {
   pub blocked_instances: Option<Vec<String>>,
   /// A list of blocked URLs
   pub blocked_urls: Option<Vec<String>>,
-  /// A list of taglines shown at the top of the front page.
-  pub taglines: Option<Vec<String>>,
   pub registration_mode: Option<RegistrationMode>,
   /// Whether or not external auth methods can auto-register users.
   pub oauth_registration: Option<bool>,
@@ -306,7 +302,6 @@ pub struct EditSite {
 /// The response for a site.
 pub struct SiteResponse {
   pub site_view: SiteView,
-  pub taglines: Vec<Tagline>,
 }
 
 #[skip_serializing_none]
@@ -321,10 +316,8 @@ pub struct GetSiteResponse {
   pub my_user: Option<MyUserInfo>,
   pub all_languages: Vec<Language>,
   pub discussion_languages: Vec<LanguageId>,
-  /// A list of taglines shown at the top of the front page.
-  pub taglines: Vec<Tagline>,
-  /// A list of custom emojis your site supports.
-  pub custom_emojis: Vec<CustomEmojiView>,
+  /// If the site has any taglines, a random one is included here for displaying
+  pub tagline: Option<Tagline>,
   /// A list of external auth methods your site supports.
   pub oauth_providers: Option<Vec<PublicOAuthProvider>>,
   pub admin_oauth_providers: Option<Vec<OAuthProvider>>,

crates/api_common/src/tagline.rs

@@ -0,0 +1,55 @@
+use lemmy_db_schema::{newtypes::TaglineId, source::tagline::Tagline};
+use serde::{Deserialize, Serialize};
+use serde_with::skip_serializing_none;
+#[cfg(feature = "full")]
+use ts_rs::TS;
+
+#[derive(Debug, Serialize, Deserialize, Clone, PartialEq, Eq, Hash)]
+#[cfg_attr(feature = "full", derive(TS))]
+#[cfg_attr(feature = "full", ts(export))]
+/// Create a tagline
+pub struct CreateTagline {
+  pub content: String,
+}
+
+#[derive(Debug, Serialize, Deserialize, Clone, PartialEq, Eq, Hash)]
+#[cfg_attr(feature = "full", derive(TS))]
+#[cfg_attr(feature = "full", ts(export))]
+/// Update a tagline
+pub struct UpdateTagline {
+  pub id: TaglineId,
+  pub content: String,
+}
+
+#[derive(Debug, Serialize, Deserialize, Clone, PartialEq, Eq, Hash)]
+#[cfg_attr(feature = "full", derive(TS))]
+#[cfg_attr(feature = "full", ts(export))]
+/// Delete a tagline
+pub struct DeleteTagline {
+  pub id: TaglineId,
+}
+
+#[derive(Debug, Serialize, Deserialize, Clone)]
+#[cfg_attr(feature = "full", derive(TS))]
+#[cfg_attr(feature = "full", ts(export))]
+pub struct TaglineResponse {
+  pub tagline: Tagline,
+}
+
+#[derive(Debug, Serialize, Deserialize, Clone)]
+#[cfg_attr(feature = "full", derive(TS))]
+#[cfg_attr(feature = "full", ts(export))]
+/// A response for taglines.
+pub struct ListTaglinesResponse {
+  pub taglines: Vec<Tagline>,
+}
+
+#[skip_serializing_none]
+#[derive(Debug, Serialize, Deserialize, Clone, Copy, Default, PartialEq, Eq, Hash)]
+#[cfg_attr(feature = "full", derive(TS))]
+#[cfg_attr(feature = "full", ts(export))]
+/// Fetches a list of taglines.
+pub struct ListTaglines {
+  pub page: Option<i64>,
+  pub limit: Option<i64>,
+}

crates/api_crud/src/custom_emoji/create.rs

@@ -5,10 +5,12 @@ use lemmy_api_common::{
   custom_emoji::{CreateCustomEmoji, CustomEmojiResponse},
   utils::is_admin,
 };
-use lemmy_db_schema::source::{
-  custom_emoji::{CustomEmoji, CustomEmojiInsertForm},
-  custom_emoji_keyword::{CustomEmojiKeyword, CustomEmojiKeywordInsertForm},
-  local_site::LocalSite,
+use lemmy_db_schema::{
+  source::{
+    custom_emoji::{CustomEmoji, CustomEmojiInsertForm},
+    custom_emoji_keyword::{CustomEmojiKeyword, CustomEmojiKeywordInsertForm},
+  },
+  traits::Crud,
 };
 use lemmy_db_views::structs::{CustomEmojiView, LocalUserView};
 use lemmy_utils::error::LemmyResult;
@@ -19,12 +21,10 @@ pub async fn create_custom_emoji(
   context: Data<LemmyContext>,
   local_user_view: LocalUserView,
 ) -> LemmyResult<Json<CustomEmojiResponse>> {
-  let local_site = LocalSite::read(&mut context.pool()).await?;
   // Make sure user is an admin
   is_admin(&local_user_view)?;
 
   let emoji_form = CustomEmojiInsertForm::builder()
-    .local_site_id(local_site.id)
     .shortcode(data.shortcode.to_lowercase().trim().to_string())
     .alt_text(data.alt_text.to_string())
     .category(data.category.to_string())

crates/api_crud/src/custom_emoji/delete.rs

@@ -6,7 +6,7 @@ use lemmy_api_common::{
   utils::is_admin,
   SuccessResponse,
 };
-use lemmy_db_schema::source::custom_emoji::CustomEmoji;
+use lemmy_db_schema::{source::custom_emoji::CustomEmoji, traits::Crud};
 use lemmy_db_views::structs::LocalUserView;
 use lemmy_utils::error::LemmyResult;
 

crates/api_crud/src/custom_emoji/list.rs

@@ -0,0 +1,25 @@
+use actix_web::web::{Data, Json, Query};
+use lemmy_api_common::{
+  context::LemmyContext,
+  custom_emoji::{ListCustomEmojis, ListCustomEmojisResponse},
+};
+use lemmy_db_views::structs::{CustomEmojiView, LocalUserView};
+use lemmy_utils::error::LemmyError;
+
+#[tracing::instrument(skip(context))]
+pub async fn list_custom_emojis(
+  data: Query<ListCustomEmojis>,
+  local_user_view: Option<LocalUserView>,
+  context: Data<LemmyContext>,
+) -> Result<Json<ListCustomEmojisResponse>, LemmyError> {
+  let custom_emojis = CustomEmojiView::list(
+    &mut context.pool(),
+    &data.category,
+    data.page,
+    data.limit,
+    data.ignore_page_limits.unwrap_or(false),
+  )
+  .await?;
+
+  Ok(Json(ListCustomEmojisResponse { custom_emojis }))
+}

crates/api_crud/src/custom_emoji/mod.rs

@@ -1,3 +1,4 @@
 pub mod create;
 pub mod delete;
+pub mod list;
 pub mod update;

crates/api_crud/src/custom_emoji/update.rs

@@ -5,10 +5,12 @@ use lemmy_api_common::{
   custom_emoji::{CustomEmojiResponse, EditCustomEmoji},
   utils::is_admin,
 };
-use lemmy_db_schema::source::{
-  custom_emoji::{CustomEmoji, CustomEmojiUpdateForm},
-  custom_emoji_keyword::{CustomEmojiKeyword, CustomEmojiKeywordInsertForm},
-  local_site::LocalSite,
+use lemmy_db_schema::{
+  source::{
+    custom_emoji::{CustomEmoji, CustomEmojiUpdateForm},
+    custom_emoji_keyword::{CustomEmojiKeyword, CustomEmojiKeywordInsertForm},
+  },
+  traits::Crud,
 };
 use lemmy_db_views::structs::{CustomEmojiView, LocalUserView};
 use lemmy_utils::error::LemmyResult;
@@ -19,12 +21,10 @@ pub async fn update_custom_emoji(
   context: Data<LemmyContext>,
   local_user_view: LocalUserView,
 ) -> LemmyResult<Json<CustomEmojiResponse>> {
-  let local_site = LocalSite::read(&mut context.pool()).await?;
   // Make sure user is an admin
   is_admin(&local_user_view)?;
 
   let emoji_form = CustomEmojiUpdateForm::builder()
-    .local_site_id(local_site.id)
     .alt_text(data.alt_text.to_string())
     .category(data.category.to_string())
     .image_url(data.clone().image_url.into())

crates/api_crud/src/lib.rs

@@ -5,4 +5,5 @@ pub mod oauth_provider;
 pub mod post;
 pub mod private_message;
 pub mod site;
+pub mod tagline;
 pub mod user;

crates/api_crud/src/site/create.rs

@@ -20,7 +20,6 @@ use lemmy_db_schema::{
     local_site::{LocalSite, LocalSiteUpdateForm},
     local_site_rate_limit::{LocalSiteRateLimit, LocalSiteRateLimitUpdateForm},
     site::{Site, SiteUpdateForm},
-    tagline::Tagline,
   },
   traits::Crud,
   utils::{diesel_string_update, diesel_url_create, naive_now},
@@ -135,17 +134,11 @@ pub async fn create_site(
 
   let site_view = SiteView::read_local(&mut context.pool()).await?;
 
-  let new_taglines = data.taglines.clone();
-  let taglines = Tagline::replace(&mut context.pool(), local_site.id, new_taglines).await?;
-
   let rate_limit_config =
     local_site_rate_limit_to_rate_limit_config(&site_view.local_site_rate_limit);
   context.rate_limit_cell().set_config(rate_limit_config);
 
-  Ok(Json(SiteResponse {
-    site_view,
-    taglines,
-  }))
+  Ok(Json(SiteResponse { site_view }))
 }
 
 fn validate_create_payload(local_site: &LocalSite, create_site: &CreateSite) -> LemmyResult<()> {

crates/api_crud/src/site/read.rs

@@ -13,7 +13,7 @@ use lemmy_db_schema::source::{
   person_block::PersonBlock,
   tagline::Tagline,
 };
-use lemmy_db_views::structs::{CustomEmojiView, LocalUserView, SiteView};
+use lemmy_db_views::structs::{LocalUserView, SiteView};
 use lemmy_db_views_actor::structs::{CommunityFollowerView, CommunityModeratorView, PersonView};
 use lemmy_utils::{
   error::{LemmyError, LemmyErrorExt, LemmyErrorType, LemmyResult},
@@ -42,10 +42,8 @@ pub async fn get_site(
       let admins = PersonView::admins(&mut context.pool()).await?;
       let all_languages = Language::read_all(&mut context.pool()).await?;
       let discussion_languages = SiteLanguage::read_local_raw(&mut context.pool()).await?;
-      let taglines = Tagline::get_all(&mut context.pool(), site_view.local_site.id).await?;
-      let custom_emojis =
-        CustomEmojiView::get_all(&mut context.pool(), site_view.local_site.id).await?;
       let blocked_urls = LocalSiteUrlBlocklist::get_all(&mut context.pool()).await?;
+      let tagline = Tagline::get_random(&mut context.pool()).await?;
       let admin_oauth_providers = OAuthProvider::get_all(&mut context.pool()).await?;
       let oauth_providers =
         OAuthProvider::convert_providers_to_public(admin_oauth_providers.clone());
@@ -57,9 +55,8 @@ pub async fn get_site(
         my_user: None,
         all_languages,
         discussion_languages,
-        taglines,
-        custom_emojis,
         blocked_urls,
+        tagline,
         oauth_providers: Some(oauth_providers),
         admin_oauth_providers: Some(admin_oauth_providers),
       })

crates/api_crud/src/site/update.rs

@@ -24,7 +24,6 @@ use lemmy_db_schema::{
     local_site_url_blocklist::LocalSiteUrlBlocklist,
     local_user::LocalUser,
     site::{Site, SiteUpdateForm},
-    tagline::Tagline,
   },
   traits::Crud,
   utils::{diesel_string_update, diesel_url_update, naive_now},
@@ -187,19 +186,13 @@ pub async fn update_site(
       .with_lemmy_type(LemmyErrorType::CouldntSetAllEmailVerified)?;
   }
 
-  let new_taglines = data.taglines.clone();
-  let taglines = Tagline::replace(&mut context.pool(), local_site.id, new_taglines).await?;
-
   let site_view = SiteView::read_local(&mut context.pool()).await?;
 
   let rate_limit_config =
     local_site_rate_limit_to_rate_limit_config(&site_view.local_site_rate_limit);
   context.rate_limit_cell().set_config(rate_limit_config);
 
-  Ok(Json(SiteResponse {
-    site_view,
-    taglines,
-  }))
+  Ok(Json(SiteResponse { site_view }))
 }
 
 fn validate_update_payload(local_site: &LocalSite, edit_site: &EditSite) -> LemmyResult<()> {

crates/api_crud/src/tagline/create.rs

@@ -0,0 +1,38 @@
+use activitypub_federation::config::Data;
+use actix_web::web::Json;
+use lemmy_api_common::{
+  context::LemmyContext,
+  tagline::{CreateTagline, TaglineResponse},
+  utils::{get_url_blocklist, is_admin, local_site_to_slur_regex, process_markdown},
+};
+use lemmy_db_schema::{
+  source::{
+    local_site::LocalSite,
+    tagline::{Tagline, TaglineInsertForm},
+  },
+  traits::Crud,
+};
+use lemmy_db_views::structs::LocalUserView;
+use lemmy_utils::error::LemmyError;
+
+#[tracing::instrument(skip(context))]
+pub async fn create_tagline(
+  data: Json<CreateTagline>,
+  context: Data<LemmyContext>,
+  local_user_view: LocalUserView,
+) -> Result<Json<TaglineResponse>, LemmyError> {
+  // Make sure user is an admin
+  is_admin(&local_user_view)?;
+
+  let local_site = LocalSite::read(&mut context.pool()).await?;
+
+  let slur_regex = local_site_to_slur_regex(&local_site);
+  let url_blocklist = get_url_blocklist(&context).await?;
+  let content = process_markdown(&data.content, &slur_regex, &url_blocklist, &context).await?;
+
+  let tagline_form = TaglineInsertForm { content };
+
+  let tagline = Tagline::create(&mut context.pool(), &tagline_form).await?;
+
+  Ok(Json(TaglineResponse { tagline }))
+}

crates/api_crud/src/tagline/delete.rs

@@ -0,0 +1,25 @@
+use activitypub_federation::config::Data;
+use actix_web::web::Json;
+use lemmy_api_common::{
+  context::LemmyContext,
+  tagline::DeleteTagline,
+  utils::is_admin,
+  SuccessResponse,
+};
+use lemmy_db_schema::{source::tagline::Tagline, traits::Crud};
+use lemmy_db_views::structs::LocalUserView;
+use lemmy_utils::error::LemmyError;
+
+#[tracing::instrument(skip(context))]
+pub async fn delete_tagline(
+  data: Json<DeleteTagline>,
+  context: Data<LemmyContext>,
+  local_user_view: LocalUserView,
+) -> Result<Json<SuccessResponse>, LemmyError> {
+  // Make sure user is an admin
+  is_admin(&local_user_view)?;
+
+  Tagline::delete(&mut context.pool(), data.id).await?;
+
+  Ok(Json(SuccessResponse::default()))
+}

crates/api_crud/src/tagline/list.rs

@@ -0,0 +1,19 @@
+use actix_web::web::{Data, Json, Query};
+use lemmy_api_common::{
+  context::LemmyContext,
+  tagline::{ListTaglines, ListTaglinesResponse},
+};
+use lemmy_db_schema::source::tagline::Tagline;
+use lemmy_db_views::structs::LocalUserView;
+use lemmy_utils::error::LemmyError;
+
+#[tracing::instrument(skip(context))]
+pub async fn list_taglines(
+  data: Query<ListTaglines>,
+  local_user_view: Option<LocalUserView>,
+  context: Data<LemmyContext>,
+) -> Result<Json<ListTaglinesResponse>, LemmyError> {
+  let taglines = Tagline::list(&mut context.pool(), data.page, data.limit).await?;
+
+  Ok(Json(ListTaglinesResponse { taglines }))
+}

crates/api_crud/src/tagline/mod.rs

@@ -0,0 +1,4 @@
+pub mod create;
+pub mod delete;
+pub mod list;
+pub mod update;

crates/api_crud/src/tagline/update.rs

@@ -0,0 +1,42 @@
+use activitypub_federation::config::Data;
+use actix_web::web::Json;
+use lemmy_api_common::{
+  context::LemmyContext,
+  tagline::{TaglineResponse, UpdateTagline},
+  utils::{get_url_blocklist, is_admin, local_site_to_slur_regex, process_markdown},
+};
+use lemmy_db_schema::{
+  source::{
+    local_site::LocalSite,
+    tagline::{Tagline, TaglineUpdateForm},
+  },
+  traits::Crud,
+  utils::naive_now,
+};
+use lemmy_db_views::structs::LocalUserView;
+use lemmy_utils::error::LemmyError;
+
+#[tracing::instrument(skip(context))]
+pub async fn update_tagline(
+  data: Json<UpdateTagline>,
+  context: Data<LemmyContext>,
+  local_user_view: LocalUserView,
+) -> Result<Json<TaglineResponse>, LemmyError> {
+  // Make sure user is an admin
+  is_admin(&local_user_view)?;
+
+  let local_site = LocalSite::read(&mut context.pool()).await?;
+
+  let slur_regex = local_site_to_slur_regex(&local_site);
+  let url_blocklist = get_url_blocklist(&context).await?;
+  let content = process_markdown(&data.content, &slur_regex, &url_blocklist, &context).await?;
+
+  let tagline_form = TaglineUpdateForm {
+    content,
+    updated: naive_now(),
+  };
+
+  let tagline = Tagline::update(&mut context.pool(), data.id, &tagline_form).await?;
+
+  Ok(Json(TaglineResponse { tagline }))
+}

crates/db_schema/src/impls/custom_emoji.rs

@@ -8,36 +8,37 @@ use crate::{
     custom_emoji::{CustomEmoji, CustomEmojiInsertForm, CustomEmojiUpdateForm},
     custom_emoji_keyword::{CustomEmojiKeyword, CustomEmojiKeywordInsertForm},
   },
+  traits::Crud,
   utils::{get_conn, DbPool},
 };
 use diesel::{dsl::insert_into, result::Error, ExpressionMethods, QueryDsl};
 use diesel_async::RunQueryDsl;
 
-impl CustomEmoji {
-  pub async fn create(pool: &mut DbPool<'_>, form: &CustomEmojiInsertForm) -> Result<Self, Error> {
+#[async_trait]
+impl Crud for CustomEmoji {
+  type InsertForm = CustomEmojiInsertForm;
+  type UpdateForm = CustomEmojiUpdateForm;
+  type IdType = CustomEmojiId;
+
+  async fn create(pool: &mut DbPool<'_>, form: &Self::InsertForm) -> Result<Self, Error> {
     let conn = &mut get_conn(pool).await?;
     insert_into(custom_emoji)
       .values(form)
       .get_result::<Self>(conn)
       .await
   }
-  pub async fn update(
+
+  async fn update(
     pool: &mut DbPool<'_>,
-    emoji_id: CustomEmojiId,
-    form: &CustomEmojiUpdateForm,
+    emoji_id: Self::IdType,
+    new_custom_emoji: &Self::UpdateForm,
   ) -> Result<Self, Error> {
     let conn = &mut get_conn(pool).await?;
     diesel::update(custom_emoji.find(emoji_id))
-      .set(form)
+      .set(new_custom_emoji)
       .get_result::<Self>(conn)
       .await
   }
-  pub async fn delete(pool: &mut DbPool<'_>, emoji_id: CustomEmojiId) -> Result<usize, Error> {
-    let conn = &mut get_conn(pool).await?;
-    diesel::delete(custom_emoji.find(emoji_id))
-      .execute(conn)
-      .await
-  }
 }
 
 impl CustomEmojiKeyword {

crates/db_schema/src/impls/tagline.rs

@@ -1,58 +1,64 @@
 use crate::{
-  newtypes::LocalSiteId,
-  schema::tagline::dsl::{local_site_id, tagline},
-  source::tagline::{Tagline, TaglineForm},
-  utils::{get_conn, DbPool},
+  newtypes::TaglineId,
+  schema::tagline::dsl::{published, tagline},
+  source::tagline::{Tagline, TaglineInsertForm, TaglineUpdateForm},
+  traits::Crud,
+  utils::{get_conn, limit_and_offset, DbPool},
 };
-use diesel::{insert_into, result::Error, ExpressionMethods, QueryDsl};
-use diesel_async::{AsyncPgConnection, RunQueryDsl};
+use diesel::{insert_into, result::Error, ExpressionMethods, OptionalExtension, QueryDsl};
+use diesel_async::RunQueryDsl;
 
-impl Tagline {
-  pub async fn replace(
-    pool: &mut DbPool<'_>,
-    for_local_site_id: LocalSiteId,
-    list_content: Option<Vec<String>>,
-  ) -> Result<Vec<Self>, Error> {
+#[async_trait]
+impl Crud for Tagline {
+  type InsertForm = TaglineInsertForm;
+  type UpdateForm = TaglineUpdateForm;
+  type IdType = TaglineId;
+
+  async fn create(pool: &mut DbPool<'_>, form: &Self::InsertForm) -> Result<Self, Error> {
     let conn = &mut get_conn(pool).await?;
-    if let Some(list) = list_content {
-      conn
-        .build_transaction()
-        .run(|conn| {
-          Box::pin(async move {
-            Self::clear(conn).await?;
-
-            for item in list {
-              let form = TaglineForm {
-                local_site_id: for_local_site_id,
-                content: item,
-                updated: None,
-              };
-              insert_into(tagline)
-                .values(form)
-                .get_result::<Self>(conn)
-                .await?;
-            }
-            Self::get_all(&mut conn.into(), for_local_site_id).await
-          }) as _
-        })
-        .await
-    } else {
-      Self::get_all(&mut conn.into(), for_local_site_id).await
-    }
+    insert_into(tagline)
+      .values(form)
+      .get_result::<Self>(conn)
+      .await
   }
 
-  async fn clear(conn: &mut AsyncPgConnection) -> Result<usize, Error> {
-    diesel::delete(tagline).execute(conn).await
-  }
-
-  pub async fn get_all(
+  async fn update(
     pool: &mut DbPool<'_>,
-    for_local_site_id: LocalSiteId,
-  ) -> Result<Vec<Self>, Error> {
+    tagline_id: TaglineId,
+    new_tagline: &Self::UpdateForm,
+  ) -> Result<Self, Error> {
     let conn = &mut get_conn(pool).await?;
-    tagline
-      .filter(local_site_id.eq(for_local_site_id))
-      .get_results::<Self>(conn)
+    diesel::update(tagline.find(tagline_id))
+      .set(new_tagline)
+      .get_result::<Self>(conn)
       .await
   }
 }
+
+impl Tagline {
+  pub async fn list(
+    pool: &mut DbPool<'_>,
+    page: Option<i64>,
+    limit: Option<i64>,
+  ) -> Result<Vec<Self>, Error> {
+    let conn = &mut get_conn(pool).await?;
+    let (limit, offset) = limit_and_offset(page, limit)?;
+    tagline
+      .order(published.desc())
+      .offset(offset)
+      .limit(limit)
+      .get_results::<Self>(conn)
+      .await
+  }
+
+  pub async fn get_random(pool: &mut DbPool<'_>) -> Result<Option<Self>, Error> {
+    let conn = &mut get_conn(pool).await?;
+    sql_function!(fn random() -> Text);
+    tagline
+      .order(random())
+      .limit(1)
+      .first::<Self>(conn)
+      .await
+      .optional()
+  }
+}

crates/db_schema/src/newtypes.rs

@@ -148,6 +148,12 @@ pub struct LocalSiteId(i32);
 /// The custom emoji id.
 pub struct CustomEmojiId(i32);
 
+#[derive(Debug, Copy, Clone, Hash, Eq, PartialEq, Serialize, Deserialize, Default)]
+#[cfg_attr(feature = "full", derive(DieselNewType, TS))]
+#[cfg_attr(feature = "full", ts(export))]
+/// The tagline id.
+pub struct TaglineId(i32);
+
 #[derive(Debug, Copy, Clone, Hash, Eq, PartialEq, Serialize, Deserialize, Default)]
 #[cfg_attr(feature = "full", derive(DieselNewType, TS))]
 #[cfg_attr(feature = "full", ts(export))]

crates/db_schema/src/schema.rs

@@ -258,7 +258,6 @@ diesel::table! {
 diesel::table! {
     custom_emoji (id) {
         id -> Int4,
-        local_site_id -> Int4,
         #[max_length = 128]
         shortcode -> Varchar,
         image_url -> Text,
@@ -974,7 +973,6 @@ diesel::table! {
 diesel::table! {
     tagline (id) {
         id -> Int4,
-        local_site_id -> Int4,
         content -> Text,
         published -> Timestamptz,
         updated -> Nullable<Timestamptz>,
@@ -1011,7 +1009,6 @@ diesel::joinable!(community_moderator -> community (community_id));
 diesel::joinable!(community_moderator -> person (person_id));
 diesel::joinable!(community_person_ban -> community (community_id));
 diesel::joinable!(community_person_ban -> person (person_id));
-diesel::joinable!(custom_emoji -> local_site (local_site_id));
 diesel::joinable!(custom_emoji_keyword -> custom_emoji (custom_emoji_id));
 diesel::joinable!(email_verification -> local_user (local_user_id));
 diesel::joinable!(federation_allowlist -> instance (instance_id));
@@ -1075,7 +1072,6 @@ diesel::joinable!(site -> instance (instance_id));
 diesel::joinable!(site_aggregates -> site (site_id));
 diesel::joinable!(site_language -> language (language_id));
 diesel::joinable!(site_language -> site (site_id));
-diesel::joinable!(tagline -> local_site (local_site_id));
 
 diesel::allow_tables_to_appear_in_same_query!(
     admin_purge_comment,

crates/db_schema/src/source/custom_emoji.rs

@@ -1,4 +1,4 @@
-use crate::newtypes::{CustomEmojiId, DbUrl, LocalSiteId};
+use crate::newtypes::{CustomEmojiId, DbUrl};
 #[cfg(feature = "full")]
 use crate::schema::custom_emoji;
 use chrono::{DateTime, Utc};
@@ -10,21 +10,13 @@ use typed_builder::TypedBuilder;
 
 #[skip_serializing_none]
 #[derive(PartialEq, Eq, Debug, Clone, Serialize, Deserialize)]
-#[cfg_attr(
-  feature = "full",
-  derive(Queryable, Selectable, Associations, Identifiable, TS)
-)]
+#[cfg_attr(feature = "full", derive(Queryable, Selectable, Identifiable, TS))]
 #[cfg_attr(feature = "full", diesel(table_name = custom_emoji))]
-#[cfg_attr(
-  feature = "full",
-  diesel(belongs_to(crate::source::local_site::LocalSite))
-)]
 #[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// A custom emoji.
 pub struct CustomEmoji {
   pub id: CustomEmojiId,
-  pub local_site_id: LocalSiteId,
   pub shortcode: String,
   pub image_url: DbUrl,
   pub alt_text: String,
@@ -37,7 +29,6 @@ pub struct CustomEmoji {
 #[cfg_attr(feature = "full", derive(Insertable, AsChangeset))]
 #[cfg_attr(feature = "full", diesel(table_name = custom_emoji))]
 pub struct CustomEmojiInsertForm {
-  pub local_site_id: LocalSiteId,
   pub shortcode: String,
   pub image_url: DbUrl,
   pub alt_text: String,
@@ -48,7 +39,6 @@ pub struct CustomEmojiInsertForm {
 #[cfg_attr(feature = "full", derive(Insertable, AsChangeset))]
 #[cfg_attr(feature = "full", diesel(table_name = custom_emoji))]
 pub struct CustomEmojiUpdateForm {
-  pub local_site_id: LocalSiteId,
   pub image_url: DbUrl,
   pub alt_text: String,
   pub category: String,

crates/db_schema/src/source/tagline.rs

@@ -1,4 +1,3 @@
-use crate::newtypes::LocalSiteId;
 #[cfg(feature = "full")]
 use crate::schema::tagline;
 use chrono::{DateTime, Utc};
@@ -9,21 +8,13 @@ use ts_rs::TS;
 
 #[skip_serializing_none]
 #[derive(PartialEq, Eq, Debug, Clone, Serialize, Deserialize)]
-#[cfg_attr(
-  feature = "full",
-  derive(Queryable, Selectable, Associations, Identifiable, TS)
-)]
+#[cfg_attr(feature = "full", derive(Queryable, Selectable, Identifiable, TS))]
 #[cfg_attr(feature = "full", diesel(table_name = tagline))]
-#[cfg_attr(
-  feature = "full",
-  diesel(belongs_to(crate::source::local_site::LocalSite))
-)]
 #[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// A tagline, shown at the top of your site.
 pub struct Tagline {
   pub id: i32,
-  pub local_site_id: LocalSiteId,
   pub content: String,
   pub published: DateTime<Utc>,
   pub updated: Option<DateTime<Utc>>,
@@ -32,8 +23,14 @@ pub struct Tagline {
 #[derive(Clone, Default)]
 #[cfg_attr(feature = "full", derive(Insertable, AsChangeset))]
 #[cfg_attr(feature = "full", diesel(table_name = tagline))]
-pub struct TaglineForm {
-  pub local_site_id: LocalSiteId,
+pub struct TaglineInsertForm {
   pub content: String,
-  pub updated: Option<DateTime<Utc>>,
+}
+
+#[derive(Clone, Default)]
+#[cfg_attr(feature = "full", derive(Insertable, AsChangeset))]
+#[cfg_attr(feature = "full", diesel(table_name = tagline))]
+pub struct TaglineUpdateForm {
+  pub content: String,
+  pub updated: DateTime<Utc>,
 }

crates/db_views/src/custom_emoji_view.rs

@@ -2,10 +2,10 @@ use crate::structs::CustomEmojiView;
 use diesel::{result::Error, ExpressionMethods, JoinOnDsl, NullableExpressionMethods, QueryDsl};
 use diesel_async::RunQueryDsl;
 use lemmy_db_schema::{
-  newtypes::{CustomEmojiId, LocalSiteId},
+  newtypes::CustomEmojiId,
   schema::{custom_emoji, custom_emoji_keyword},
   source::{custom_emoji::CustomEmoji, custom_emoji_keyword::CustomEmojiKeyword},
-  utils::{get_conn, DbPool},
+  utils::{get_conn, limit_and_offset, DbPool},
 };
 use std::collections::HashMap;
 
@@ -35,18 +35,34 @@ impl CustomEmojiView {
     }
   }
 
-  pub async fn get_all(
+  pub async fn list(
     pool: &mut DbPool<'_>,
-    for_local_site_id: LocalSiteId,
+    category: &Option<String>,
+    page: Option<i64>,
+    limit: Option<i64>,
+    ignore_page_limits: bool,
   ) -> Result<Vec<Self>, Error> {
     let conn = &mut get_conn(pool).await?;
-    let emojis = custom_emoji::table
-      .filter(custom_emoji::local_site_id.eq(for_local_site_id))
+
+    let mut query = custom_emoji::table
       .left_join(
         custom_emoji_keyword::table.on(custom_emoji_keyword::custom_emoji_id.eq(custom_emoji::id)),
       )
       .order(custom_emoji::category)
-      .then_order_by(custom_emoji::id)
+      .into_boxed();
+
+    if !ignore_page_limits {
+      let (limit, offset) = limit_and_offset(page, limit)?;
+      query = query.limit(limit).offset(offset);
+    }
+
+    if let Some(category) = category {
+      query = query.filter(custom_emoji::category.eq(category))
+    }
+
+    query = query.then_order_by(custom_emoji::id);
+
+    let emojis = query
       .select((
         custom_emoji::all_columns,
         custom_emoji_keyword::all_columns.nullable(), // (or all the columns if you want)

migrations/2024-04-08-204327_custom_emoji_tagline_changes/down.sql

@@ -0,0 +1,32 @@
+ALTER TABLE custom_emoji
+    ADD COLUMN local_site_id int REFERENCES local_site (site_id) ON UPDATE CASCADE ON DELETE CASCADE;
+
+UPDATE
+    custom_emoji
+SET
+    local_site_id = (
+        SELECT
+            site_id
+        FROM
+            local_site
+        LIMIT 1);
+
+ALTER TABLE custom_emoji
+    ALTER COLUMN local_site_id SET NOT NULL;
+
+ALTER TABLE tagline
+    ADD COLUMN local_site_id int REFERENCES local_site (site_id) ON UPDATE CASCADE ON DELETE CASCADE;
+
+UPDATE
+    tagline
+SET
+    local_site_id = (
+        SELECT
+            site_id
+        FROM
+            local_site
+        LIMIT 1);
+
+ALTER TABLE tagline
+    ALTER COLUMN local_site_id SET NOT NULL;
+

migrations/2024-04-08-204327_custom_emoji_tagline_changes/up.sql

@@ -0,0 +1,6 @@
+ALTER TABLE custom_emoji
+    DROP COLUMN local_site_id;
+
+ALTER TABLE tagline
+    DROP COLUMN local_site_id;
+

src/api_routes_http.rs

@@ -107,6 +107,7 @@ use lemmy_api_crud::{
   custom_emoji::{
     create::create_custom_emoji,
     delete::delete_custom_emoji,
+    list::list_custom_emojis,
     update::update_custom_emoji,
   },
   oauth_provider::{
@@ -128,6 +129,12 @@ use lemmy_api_crud::{
     update::update_private_message,
   },
   site::{create::create_site, read::get_site, update::update_site},
+  tagline::{
+    create::create_tagline,
+    delete::delete_tagline,
+    list::list_taglines,
+    update::update_tagline,
+  },
   user::{
     create::{authenticate_with_oauth, register},
     delete::delete_account,
@@ -381,6 +388,14 @@ pub fn config(cfg: &mut web::ServiceConfig, rate_limit: &RateLimitCell) {
               .route("/community", web::post().to(purge_community))
               .route("/post", web::post().to(purge_post))
               .route("/comment", web::post().to(purge_comment)),
+          )
+          .service(
+            web::scope("/tagline")
+              .wrap(rate_limit.message())
+              .route("", web::post().to(create_tagline))
+              .route("", web::put().to(update_tagline))
+              .route("/delete", web::post().to(delete_tagline))
+              .route("/list", web::get().to(list_taglines)),
           ),
       )
       .service(
@@ -388,7 +403,8 @@ pub fn config(cfg: &mut web::ServiceConfig, rate_limit: &RateLimitCell) {
           .wrap(rate_limit.message())
           .route("", web::post().to(create_custom_emoji))
           .route("", web::put().to(update_custom_emoji))
-          .route("/delete", web::post().to(delete_custom_emoji)),
+          .route("/delete", web::post().to(delete_custom_emoji))
+          .route("/list", web::get().to(list_custom_emojis)),
       )
       .service(
         web::scope("/oauth_provider")