]> Untitled Git - lemmy.git/blobdiff - crates/db_schema/src/impls/person.rs
Make functions work with both connection and pool (#3420)
[lemmy.git] / crates / db_schema / src / impls / person.rs
index 0b9909ee93092d2e227680b21b43fdd8a3a7bbf6..bd9ad405b8bec6ef95712b54b46c5d92f7620d0a 100644 (file)
 use crate::{
-  newtypes::{DbUrl, PersonId},
-  schema::person::dsl::{
-    actor_id,
-    avatar,
-    banner,
-    bio,
-    deleted,
-    display_name,
-    local,
-    matrix_user_id,
-    name,
-    person,
-    updated,
+  newtypes::{CommunityId, DbUrl, PersonId},
+  schema::{instance, local_user, person, person_follower},
+  source::person::{
+    Person,
+    PersonFollower,
+    PersonFollowerForm,
+    PersonInsertForm,
+    PersonUpdateForm,
   },
-  source::person::{Person, PersonInsertForm, PersonUpdateForm},
-  traits::{ApubActor, Crud},
+  traits::{ApubActor, Crud, Followable},
   utils::{functions::lower, get_conn, naive_now, DbPool},
 };
-use diesel::{dsl::insert_into, result::Error, ExpressionMethods, QueryDsl, TextExpressionMethods};
+use diesel::{dsl::insert_into, result::Error, ExpressionMethods, JoinOnDsl, QueryDsl};
 use diesel_async::RunQueryDsl;
 
-mod safe_type {
-  use crate::{
-    schema::person::columns::{
-      actor_id,
-      admin,
-      avatar,
-      ban_expires,
-      banned,
-      banner,
-      bio,
-      bot_account,
-      deleted,
-      display_name,
-      id,
-      inbox_url,
-      instance_id,
-      local,
-      matrix_user_id,
-      name,
-      published,
-      shared_inbox_url,
-      updated,
-    },
-    source::person::Person,
-    traits::ToSafe,
-  };
-
-  type Columns = (
-    id,
-    name,
-    display_name,
-    avatar,
-    banned,
-    published,
-    updated,
-    actor_id,
-    bio,
-    local,
-    banner,
-    deleted,
-    inbox_url,
-    shared_inbox_url,
-    matrix_user_id,
-    admin,
-    bot_account,
-    ban_expires,
-    instance_id,
-  );
-
-  impl ToSafe for Person {
-    type SafeColumns = Columns;
-    fn safe_columns_tuple() -> Self::SafeColumns {
-      (
-        id,
-        name,
-        display_name,
-        avatar,
-        banned,
-        published,
-        updated,
-        actor_id,
-        bio,
-        local,
-        banner,
-        deleted,
-        inbox_url,
-        shared_inbox_url,
-        matrix_user_id,
-        admin,
-        bot_account,
-        ban_expires,
-        instance_id,
-      )
-    }
-  }
-}
-
 #[async_trait]
 impl Crud for Person {
   type InsertForm = PersonInsertForm;
   type UpdateForm = PersonUpdateForm;
   type IdType = PersonId;
-  async fn read(pool: &DbPool, person_id: PersonId) -> Result<Self, Error> {
+  async fn read(pool: &mut DbPool<'_>, person_id: PersonId) -> Result<Self, Error> {
     let conn = &mut get_conn(pool).await?;
-    person
-      .filter(deleted.eq(false))
+    person::table
+      .filter(person::deleted.eq(false))
       .find(person_id)
       .first::<Self>(conn)
       .await
   }
-  async fn delete(pool: &DbPool, person_id: PersonId) -> Result<usize, Error> {
+  async fn delete(pool: &mut DbPool<'_>, person_id: PersonId) -> Result<usize, Error> {
     let conn = &mut get_conn(pool).await?;
-    diesel::delete(person.find(person_id)).execute(conn).await
+    diesel::delete(person::table.find(person_id))
+      .execute(conn)
+      .await
   }
-  async fn create(pool: &DbPool, form: &PersonInsertForm) -> Result<Self, Error> {
+  async fn create(pool: &mut DbPool<'_>, form: &PersonInsertForm) -> Result<Self, Error> {
     let conn = &mut get_conn(pool).await?;
-    insert_into(person)
+    insert_into(person::table)
       .values(form)
-      .on_conflict(actor_id)
-      .do_update()
-      .set(form)
       .get_result::<Self>(conn)
       .await
   }
   async fn update(
-    pool: &DbPool,
+    pool: &mut DbPool<'_>,
     person_id: PersonId,
     form: &PersonUpdateForm,
   ) -> Result<Self, Error> {
     let conn = &mut get_conn(pool).await?;
-    diesel::update(person.find(person_id))
+    diesel::update(person::table.find(person_id))
       .set(form)
       .get_result::<Self>(conn)
       .await
@@ -138,8 +54,20 @@ impl Crud for Person {
 }
 
 impl Person {
-  pub async fn delete_account(pool: &DbPool, person_id: PersonId) -> Result<Person, Error> {
-    use crate::schema::local_user;
+  /// Update or insert the person.
+  ///
+  /// This is necessary for federation, because Activitypub doesnt distinguish between these actions.
+  pub async fn upsert(pool: &mut DbPool<'_>, form: &PersonInsertForm) -> Result<Self, Error> {
+    let conn = &mut get_conn(pool).await?;
+    insert_into(person::table)
+      .values(form)
+      .on_conflict(person::actor_id)
+      .do_update()
+      .set(form)
+      .get_result::<Self>(conn)
+      .await
+  }
+  pub async fn delete_account(pool: &mut DbPool<'_>, person_id: PersonId) -> Result<Person, Error> {
     let conn = &mut get_conn(pool).await?;
 
     // Set the local user info to none
@@ -151,15 +79,15 @@ impl Person {
       .execute(conn)
       .await?;
 
-    diesel::update(person.find(person_id))
+    diesel::update(person::table.find(person_id))
       .set((
-        display_name.eq::<Option<String>>(None),
-        avatar.eq::<Option<String>>(None),
-        banner.eq::<Option<String>>(None),
-        bio.eq::<Option<String>>(None),
-        matrix_user_id.eq::<Option<String>>(None),
-        deleted.eq(true),
-        updated.eq(naive_now()),
+        person::display_name.eq::<Option<String>>(None),
+        person::avatar.eq::<Option<String>>(None),
+        person::banner.eq::<Option<String>>(None),
+        person::bio.eq::<Option<String>>(None),
+        person::matrix_user_id.eq::<Option<String>>(None),
+        person::deleted.eq(true),
+        person::updated.eq(naive_now()),
       ))
       .get_result::<Self>(conn)
       .await
@@ -176,12 +104,15 @@ pub fn is_banned(banned_: bool, expires: Option<chrono::NaiveDateTime>) -> bool
 
 #[async_trait]
 impl ApubActor for Person {
-  async fn read_from_apub_id(pool: &DbPool, object_id: &DbUrl) -> Result<Option<Self>, Error> {
+  async fn read_from_apub_id(
+    pool: &mut DbPool<'_>,
+    object_id: &DbUrl,
+  ) -> Result<Option<Self>, Error> {
     let conn = &mut get_conn(pool).await?;
     Ok(
-      person
-        .filter(deleted.eq(false))
-        .filter(actor_id.eq(object_id))
+      person::table
+        .filter(person::deleted.eq(false))
+        .filter(person::actor_id.eq(object_id))
         .first::<Person>(conn)
         .await
         .ok()
@@ -190,43 +121,91 @@ impl ApubActor for Person {
   }
 
   async fn read_from_name(
-    pool: &DbPool,
+    pool: &mut DbPool<'_>,
     from_name: &str,
     include_deleted: bool,
   ) -> Result<Person, Error> {
     let conn = &mut get_conn(pool).await?;
-    let mut q = person
+    let mut q = person::table
       .into_boxed()
-      .filter(local.eq(true))
-      .filter(lower(name).eq(lower(from_name)));
+      .filter(person::local.eq(true))
+      .filter(lower(person::name).eq(from_name.to_lowercase()));
     if !include_deleted {
-      q = q.filter(deleted.eq(false))
+      q = q.filter(person::deleted.eq(false))
     }
     q.first::<Self>(conn).await
   }
 
   async fn read_from_name_and_domain(
-    pool: &DbPool,
+    pool: &mut DbPool<'_>,
     person_name: &str,
-    protocol_domain: &str,
+    for_domain: &str,
   ) -> Result<Person, Error> {
     let conn = &mut get_conn(pool).await?;
-    person
-      .filter(lower(name).eq(lower(person_name)))
-      .filter(actor_id.like(format!("{}%", protocol_domain)))
+
+    person::table
+      .inner_join(instance::table)
+      .filter(lower(person::name).eq(person_name.to_lowercase()))
+      .filter(instance::domain.eq(for_domain))
+      .select(person::all_columns)
       .first::<Self>(conn)
       .await
   }
 }
 
+#[async_trait]
+impl Followable for PersonFollower {
+  type Form = PersonFollowerForm;
+  async fn follow(pool: &mut DbPool<'_>, form: &PersonFollowerForm) -> Result<Self, Error> {
+    use crate::schema::person_follower::dsl::{follower_id, person_follower, person_id};
+    let conn = &mut get_conn(pool).await?;
+    insert_into(person_follower)
+      .values(form)
+      .on_conflict((follower_id, person_id))
+      .do_update()
+      .set(form)
+      .get_result::<Self>(conn)
+      .await
+  }
+  async fn follow_accepted(_: &mut DbPool<'_>, _: CommunityId, _: PersonId) -> Result<Self, Error> {
+    unimplemented!()
+  }
+  async fn unfollow(pool: &mut DbPool<'_>, form: &PersonFollowerForm) -> Result<usize, Error> {
+    use crate::schema::person_follower::dsl::{follower_id, person_follower, person_id};
+    let conn = &mut get_conn(pool).await?;
+    diesel::delete(
+      person_follower
+        .filter(follower_id.eq(&form.follower_id))
+        .filter(person_id.eq(&form.person_id)),
+    )
+    .execute(conn)
+    .await
+  }
+}
+
+impl PersonFollower {
+  pub async fn list_followers(
+    pool: &mut DbPool<'_>,
+    for_person_id: PersonId,
+  ) -> Result<Vec<Person>, Error> {
+    let conn = &mut get_conn(pool).await?;
+    person_follower::table
+      .inner_join(person::table.on(person_follower::follower_id.eq(person::id)))
+      .filter(person_follower::person_id.eq(for_person_id))
+      .select(person::all_columns)
+      .load(conn)
+      .await
+  }
+}
+
 #[cfg(test)]
 mod tests {
   use crate::{
     source::{
       instance::Instance,
-      person::{Person, PersonInsertForm, PersonUpdateForm},
+      person::{Person, PersonFollower, PersonFollowerForm, PersonInsertForm, PersonUpdateForm},
     },
-    traits::Crud,
+    traits::{Crud, Followable},
     utils::build_db_pool_for_tests,
   };
   use serial_test::serial;
@@ -235,8 +214,11 @@ mod tests {
   #[serial]
   async fn test_crud() {
     let pool = &build_db_pool_for_tests().await;
+    let pool = &mut pool.into();
 
-    let inserted_instance = Instance::create(pool, "my_domain.tld").await.unwrap();
+    let inserted_instance = Instance::read_or_create(pool, "my_domain.tld".to_string())
+      .await
+      .unwrap();
 
     let new_person = PersonInsertForm::builder()
       .name("holly".into())
@@ -288,4 +270,45 @@ mod tests {
     assert_eq!(expected_person, updated_person);
     assert_eq!(1, num_deleted);
   }
+
+  #[tokio::test]
+  #[serial]
+  async fn follow() {
+    let pool = &build_db_pool_for_tests().await;
+    let pool = &mut pool.into();
+    let inserted_instance = Instance::read_or_create(pool, "my_domain.tld".to_string())
+      .await
+      .unwrap();
+
+    let person_form_1 = PersonInsertForm::builder()
+      .name("erich".into())
+      .public_key("pubkey".to_string())
+      .instance_id(inserted_instance.id)
+      .build();
+    let person_1 = Person::create(pool, &person_form_1).await.unwrap();
+    let person_form_2 = PersonInsertForm::builder()
+      .name("michele".into())
+      .public_key("pubkey".to_string())
+      .instance_id(inserted_instance.id)
+      .build();
+    let person_2 = Person::create(pool, &person_form_2).await.unwrap();
+
+    let follow_form = PersonFollowerForm {
+      person_id: person_1.id,
+      follower_id: person_2.id,
+      pending: false,
+    };
+    let person_follower = PersonFollower::follow(pool, &follow_form).await.unwrap();
+    assert_eq!(person_1.id, person_follower.person_id);
+    assert_eq!(person_2.id, person_follower.follower_id);
+    assert!(!person_follower.pending);
+
+    let followers = PersonFollower::list_followers(pool, person_1.id)
+      .await
+      .unwrap();
+    assert_eq!(vec![person_2], followers);
+
+    let unfollow = PersonFollower::unfollow(pool, &follow_form).await.unwrap();
+    assert_eq!(1, unfollow);
+  }
 }