backbone-bucket 0.2.0

//! Update FileVersion 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::{FileVersion, FileVersionStatus};
use crate::infrastructure::persistence::FileVersionRepository;

/// Input for updating a FileVersion
#[derive(Debug, Clone)]
pub struct UpdateFileVersionInput {
    pub id: Uuid,
    pub size_bytes: Option<i64>,
    pub file_id: Option<Uuid>,
    pub version_number: Option<i32>,
    pub version_type: Option<VersionType>,
    pub storage_key: Option<String>,
    pub storage_backend: Option<String>,
    pub name: Option<String>,
    pub mime_type: Option<String>,
    pub checksum_md5: Option<String>,
    pub checksum_sha256: Option<String>,
    pub created_by_id: Option<Uuid>,
    pub change_summary: Option<String>,
    pub is_current: Option<bool>,
    pub restored_from_id: Option<Uuid>,
    pub expires_at: Option<DateTime<Utc>>,
    pub status: Option<FileVersionStatus>,
    pub deleted_at: Option<DateTime<Utc>>,
}

/// Output after updating a FileVersion
#[derive(Debug, Clone)]
pub struct UpdateFileVersionOutput {
    pub file_version: FileVersion,
}

/// Use case for updating an existing FileVersion
pub struct UpdateFileVersionUseCase {
    repository: Arc<FileVersionRepository>,
}

impl UpdateFileVersionUseCase {
    pub fn new(repository: Arc<FileVersionRepository>) -> Self {
        Self { repository }
    }
}

#[async_trait]
impl UseCase for UpdateFileVersionUseCase {
    type Input = UpdateFileVersionInput;
    type Output = UpdateFileVersionOutput;

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

        // Apply updates
        entity.updated_at = Some(chrono::Utc::now());
        if let Some(val) = input.size_bytes {
            entity.size_bytes = val;
        }
        if let Some(val) = input.file_id {
            entity.file_id = val;
        }
        if let Some(val) = input.version_number {
            entity.version_number = val;
        }
        if let Some(val) = input.version_type {
            entity.version_type = val;
        }
        if let Some(val) = input.storage_key {
            entity.storage_key = val;
        }
        if let Some(val) = input.storage_backend {
            entity.storage_backend = val;
        }
        if let Some(val) = input.name {
            entity.name = val;
        }
        if let Some(val) = input.mime_type {
            entity.mime_type = val;
        }
        if let Some(val) = input.checksum_md5 {
            entity.checksum_md5 = val;
        }
        if let Some(val) = input.checksum_sha256 {
            entity.checksum_sha256 = val;
        }
        if let Some(val) = input.created_by_id {
            entity.created_by_id = val;
        }
        if let Some(val) = input.change_summary {
            entity.change_summary = val;
        }
        if let Some(val) = input.is_current {
            entity.is_current = val;
        }
        if let Some(val) = input.restored_from_id {
            entity.restored_from_id = val;
        }
        if let Some(val) = input.expires_at {
            entity.expires_at = val;
        }
        if let Some(val) = input.status {
            entity.status = val;
        }
        if let Some(val) = input.deleted_at {
            entity.deleted_at = val;
        }

        // <<< CUSTOM VALIDATION START >>>
        // Add custom validation logic here
        // <<< CUSTOM VALIDATION END >>>

        // Persist updates
        let updated = self.repository.update(entity).await?;

        Ok(UpdateFileVersionOutput { file_version: updated })
    }
}