backbone-bucket 0.2.0

Bucket Bounded Context: File Storage Module for Backbone Framework
Documentation 
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//! Get Thumbnail use case
//!
//! Generated by backbone-schema. Do not edit manually.

use std::sync::Arc;

use anyhow::{Result, anyhow};
use async_trait::async_trait;
use uuid::Uuid;

use super::UseCase;
use crate::domain::entity::Thumbnail;
use crate::infrastructure::persistence::ThumbnailRepository;

/// Input for getting a Thumbnail by ID
#[derive(Debug, Clone)]
pub struct GetThumbnailInput {
    pub id: Uuid,
}

/// Output containing the Thumbnail
#[derive(Debug, Clone)]
pub struct GetThumbnailOutput {
    pub thumbnail: Thumbnail,
}

/// Use case for getting a Thumbnail by ID
pub struct GetThumbnailUseCase {
    repository: Arc<ThumbnailRepository>,
}

impl GetThumbnailUseCase {
    pub fn new(repository: Arc<ThumbnailRepository>) -> Self {
        Self { repository }
    }
}

#[async_trait]
impl UseCase for GetThumbnailUseCase {
    type Input = GetThumbnailInput;
    type Output = GetThumbnailOutput;

    async fn execute(&self, input: Self::Input) -> Result<Self::Output> {
        let entity = self.repository.find_by_id(input.id).await?
            .ok_or_else(|| anyhow!("Thumbnail not found"))?;

        Ok(GetThumbnailOutput { thumbnail: entity })
    }
}