48 lines
1.5 KiB
Rust
48 lines
1.5 KiB
Rust
use crate::diary::{commands::DeleteReviewCommand, deps::DeleteReviewDeps};
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use domain::{
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errors::DomainError,
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events::DomainEvent,
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value_objects::{ReviewId, UserId},
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};
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pub async fn execute(deps: &DeleteReviewDeps, cmd: DeleteReviewCommand) -> Result<(), DomainError> {
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let review_id = ReviewId::from_uuid(cmd.review_id);
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let requesting_user_id = UserId::from_uuid(cmd.requesting_user_id);
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let review = deps
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.review
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.get_review_by_id(&review_id)
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.await?
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.ok_or_else(|| DomainError::NotFound(format!("review {}", cmd.review_id)))?;
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if review.user_id() != &requesting_user_id {
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return Err(DomainError::Forbidden("not your review".into()));
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}
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let movie_id = review.movie_id().clone();
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// Read before the write: the orphan event carries the poster to clean up.
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let poster_path = deps
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.diary
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.get_review_history(&movie_id)
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.await?
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.movie()
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.poster_path()
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.cloned();
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// One write: the review, plus its movie when this was the last review.
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deps.review
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.delete_review_and_orphaned_movie(
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&review_id,
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&movie_id,
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&[DomainEvent::ReviewDeleted {
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review_id: review_id.clone(),
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user_id: requesting_user_id,
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}],
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&[DomainEvent::MovieDeleted {
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movie_id: movie_id.clone(),
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poster_path,
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}],
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)
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.await
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}
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