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use sqlx::{Pool, Postgres};
use crate::comment::Comment;
use crate::Result;
#[derive(Clone)]
pub struct Comments(Pool<Postgres>);
impl Comments {
pub fn new(pool: Pool<Postgres>) -> Self {
Self(pool)
}
pub async fn create(&self, comment: Comment) -> Result<i32> {
let comment_id = sqlx::query!(
r#"insert into comments (text, artwork_id) values ($1, $2) returning comment_id"#,
comment.text,
comment.artwork_id
)
.fetch_one(&self.0)
.await?
.comment_id;
for in_reply_to_id in comment.in_reply_to_ids {
sqlx::query!("insert into comment_relations (artwork_id, in_reply_to_id, comment_id) values ($1, $2, $3)", comment.artwork_id, in_reply_to_id, comment_id).execute(&self.0).await?;
}
Ok(comment_id)
}
pub async fn read_all(&self) -> Result<Vec<Comment>> {
// TODO: joins to get in_reply_to_ids and mentioned_by_ids
let comments: Vec<Comment> = sqlx::query_as("select * from comments")
.fetch_all(&self.0)
.await?;
Ok(comments)
}
pub async fn read_thread(&self, artwork_id: i32) -> Result<Vec<Comment>> {
Ok(
sqlx::query_as("select * from comments where artwork_id = $1")
.bind(artwork_id)
.fetch_all(&self.0)
.await?,
)
}
}
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