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71 lines
1.8 KiB
Rust
71 lines
1.8 KiB
Rust
use crate::{
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newtypes::{LocalSiteId, TaglineId},
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schema::tagline::dsl::{local_site_id, published, tagline},
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source::tagline::{Tagline, TaglineInsertForm, TaglineUpdateForm},
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traits::Crud,
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utils::{get_conn, limit_and_offset, DbPool},
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};
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use diesel::{insert_into, result::Error, ExpressionMethods, OptionalExtension, QueryDsl};
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use diesel_async::RunQueryDsl;
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#[async_trait]
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impl Crud for Tagline {
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type InsertForm = TaglineInsertForm;
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type UpdateForm = TaglineUpdateForm;
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type IdType = TaglineId;
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async fn create(pool: &mut DbPool<'_>, form: &Self::InsertForm) -> Result<Self, Error> {
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let conn = &mut get_conn(pool).await?;
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insert_into(tagline)
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.values(form)
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.get_result::<Self>(conn)
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.await
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}
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async fn update(
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pool: &mut DbPool<'_>,
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tagline_id: TaglineId,
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new_tagline: &Self::UpdateForm,
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) -> Result<Self, Error> {
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let conn = &mut get_conn(pool).await?;
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diesel::update(tagline.find(tagline_id))
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.set(new_tagline)
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.get_result::<Self>(conn)
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.await
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}
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}
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impl Tagline {
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pub async fn list(
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pool: &mut DbPool<'_>,
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for_local_site_id: LocalSiteId,
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page: Option<i64>,
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limit: Option<i64>,
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) -> Result<Vec<Self>, Error> {
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let conn = &mut get_conn(pool).await?;
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let (limit, offset) = limit_and_offset(page, limit)?;
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tagline
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.order(published.desc())
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.offset(offset)
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.limit(limit)
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.filter(local_site_id.eq(for_local_site_id))
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.get_results::<Self>(conn)
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.await
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}
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pub async fn get_random(
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pool: &mut DbPool<'_>,
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for_local_site_id: LocalSiteId,
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) -> Result<Option<Self>, Error> {
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let conn = &mut get_conn(pool).await?;
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sql_function!(fn random() -> Text);
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tagline
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.order(random())
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.limit(1)
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.filter(local_site_id.eq(for_local_site_id))
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.first::<Self>(conn)
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.await
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.optional()
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}
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}
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