lemmy/crates/db_schema/src/impls/activity.rs

use crate::{
  diesel::OptionalExtension,
  newtypes::DbUrl,
  source::activity::{ReceivedActivity, SentActivity, SentActivityForm},
  utils::{get_conn, DbPool},
};
use diesel::{
  dsl::insert_into,
  result::{DatabaseErrorKind, Error, Error::DatabaseError},
  ExpressionMethods,
  QueryDsl,
};
use diesel_async::RunQueryDsl;

#[async_trait]
impl Crud for Activity {
  pub async fn create(pool: &mut DbPool<'_>, form: SentActivityForm) -> Result<Self, Error> {
    use crate::schema::sent_activity::dsl::sent_activity;
    let conn = &mut get_conn(pool).await?;
    insert_into(sent_activity)
      .values(form)
      .get_result::<Self>(conn)
      .await
  }

  pub async fn read_from_apub_id(pool: &mut DbPool<'_>, object_id: &DbUrl) -> Result<Self, Error> {
    use crate::schema::sent_activity::dsl::{ap_id, sent_activity};
    let conn = &mut get_conn(pool).await?;
    sent_activity
      .filter(ap_id.eq(object_id))
      .first::<Self>(conn)
      .await
  }
}

impl ReceivedActivity {
  pub async fn create(pool: &mut DbPool<'_>, ap_id_: &DbUrl) -> Result<(), Error> {
    use crate::schema::received_activity::dsl::{ap_id, id, received_activity};
    let conn = &mut get_conn(pool).await?;
    let res = insert_into(received_activity)
      .values(ap_id.eq(ap_id_))
      .on_conflict_do_nothing()
      .returning(id)
      .get_result::<i64>(conn)
      .await
      .optional()?;
    if res.is_some() {
      // new activity inserted successfully
      Ok(())
    } else {
      // duplicate activity
      Err(DatabaseError(
        DatabaseErrorKind::UniqueViolation,
        Box::<String>::default(),
      ))
    }
  }
}

#[cfg(test)]
mod tests {
  #![allow(clippy::unwrap_used)]
  #![allow(clippy::indexing_slicing)]

  use super::*;
  use crate::utils::build_db_pool_for_tests;
  use serde_json::json;
  use serial_test::serial;
  use url::Url;

  #[tokio::test]
  #[serial]
  async fn receive_activity_duplicate() {
    let pool = &build_db_pool_for_tests().await;
    let pool = &mut pool.into();
    let ap_id: DbUrl = Url::parse("http://example.com/activity/531")
      .unwrap()
      .into();

    // inserting activity for first time
    let res = ReceivedActivity::create(pool, &ap_id).await;
    assert!(res.is_ok());

    let res = ReceivedActivity::create(pool, &ap_id).await;
    assert!(res.is_err());
  }

  #[tokio::test]
  #[serial]
  async fn sent_activity_write_read() {
    let pool = &build_db_pool_for_tests().await;
    let pool = &mut pool.into();
    let ap_id: DbUrl = Url::parse("http://example.com/activity/412")
      .unwrap()
      .into();
    let data = json!({
        "key1": "0xF9BA143B95FF6D82",
        "key2": "42",
    });
    let sensitive = false;

    let form = SentActivityForm {
      ap_id: ap_id.clone(),
      data: data.clone(),
      sensitive,
    };

    SentActivity::create(pool, form).await.unwrap();

    let res = SentActivity::read_from_apub_id(pool, &ap_id).await.unwrap();
    assert_eq!(res.ap_id, ap_id);
    assert_eq!(res.data, data);
    assert_eq!(res.sensitive, sensitive);
  }
}