backbone-bucket 0.2.0

Bucket Bounded Context: File Storage Module for Backbone Framework
Documentation
//! Queries for Bucket aggregate
//!
//! Generated by backbone-schema. Do not edit manually.
//!
//! CQRS Queries represent requests for data without side effects.

use async_trait::async_trait;
use anyhow::Result;
use serde::{Deserialize, Serialize};

use crate::domain::entity::Bucket;
use crate::infrastructure::persistence::{BucketRepository, PaginationParams, PaginatedResult, BucketFilter};
use super::QueryHandler;

// ============================================================================
// QUERY TRAIT (DEPRECATED)
// ============================================================================

/// Query trait for Bucket operations
///
/// **DEPRECATED**: Use the generic `QueryHandler<Q>` trait from `mod.rs` instead.
/// This trait is kept for backwards compatibility.
#[deprecated(since = "0.2.0", note = "Use QueryHandler<Q> trait instead")]
#[async_trait]
pub trait BucketQuery: Send + Sync {
    type Output;
    async fn execute(&self) -> Result<Self::Output>;
}

// ============================================================================
// GET BY ID QUERY
// ============================================================================

/// Query to get a bucket by ID
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct GetBucketByIdQuery {
    pub id: String,
}

/// Handler for GetBucketByIdQuery
pub struct GetBucketByIdHandler<R: BucketRepository> {
    repository: std::sync::Arc<R>,
}

impl<R: BucketRepository> GetBucketByIdHandler<R> {
    pub fn new(repository: std::sync::Arc<R>) -> Self {
        Self { repository }
    }
}

#[async_trait]
impl<R: BucketRepository + 'static> QueryHandler<GetBucketByIdQuery> for GetBucketByIdHandler<R> {
    type Output = Option<Bucket>;

    async fn handle(&self, query: GetBucketByIdQuery) -> Result<Self::Output> {
        self.repository.find_by_id(&query.id).await
    }
}

// ============================================================================
// LIST QUERY
// ============================================================================

/// Query to list bucket entities with pagination
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct ListBucketQuery {
    pub page: u32,
    pub per_page: u32,
    pub filter_name: Option<String>,
    pub filter_slug: Option<String>,
    pub filter_description: Option<String>,
    pub filter_owner_id: Option<Uuid>,
    pub filter_bucket_type: Option<BucketType>,
    pub filter_status: Option<BucketStatus>,
    pub filter_storage_backend: Option<StorageBackend>,
    pub filter_root_path: Option<String>,
    pub filter_total_size_bytes: Option<i64>,
    pub filter_max_file_size: Option<i64>,
    pub filter_enable_cdn: Option<bool>,
    pub filter_enable_versioning: Option<bool>,
    pub filter_enable_deduplication: Option<bool>,
}

impl Default for ListBucketQuery {
    fn default() -> Self {
        Self {
            page: 1,
            per_page: 20,
            filter_name: None,
            filter_slug: None,
            filter_description: None,
            filter_owner_id: None,
            filter_bucket_type: None,
            filter_status: None,
            filter_storage_backend: None,
            filter_root_path: None,
            filter_total_size_bytes: None,
            filter_max_file_size: None,
            filter_enable_cdn: None,
            filter_enable_versioning: None,
            filter_enable_deduplication: None,
        }
    }
}

/// Handler for ListBucketQuery
pub struct ListBucketHandler<R: BucketRepository> {
    repository: std::sync::Arc<R>,
}

impl<R: BucketRepository> ListBucketHandler<R> {
    pub fn new(repository: std::sync::Arc<R>) -> Self {
        Self { repository }
    }
}

#[async_trait]
impl<R: BucketRepository + 'static> QueryHandler<ListBucketQuery> for ListBucketHandler<R> {
    type Output = PaginatedResult<Bucket>;

    async fn handle(&self, query: ListBucketQuery) -> Result<Self::Output> {
        let params = PaginationParams::new(query.page, query.per_page);

        // Build filter from query parameters
        let filters = BucketFilter {
            name: query.filter_name.clone(),
            slug: query.filter_slug.clone(),
            description: query.filter_description.clone(),
            owner_id: query.filter_owner_id.clone(),
            bucket_type: query.filter_bucket_type.clone(),
            status: query.filter_status.clone(),
            storage_backend: query.filter_storage_backend.clone(),
            root_path: query.filter_root_path.clone(),
            total_size_bytes: query.filter_total_size_bytes.clone(),
            max_file_size: query.filter_max_file_size.clone(),
            enable_cdn: query.filter_enable_cdn.clone(),
            enable_versioning: query.filter_enable_versioning.clone(),
            enable_deduplication: query.filter_enable_deduplication.clone(),
            ..Default::default()
        };

        // Use list_with_filters if any filters are set
        if filters.has_filters() {
            self.repository.list_with_filters(params, filters).await
        } else {
            self.repository.list(params).await
        }
    }
}

// ============================================================================
// FIND BY UNIQUE FIELDS
// ============================================================================

/// Query to find bucket by slug
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct GetBucketBySlugQuery {
    pub slug: String,
}

/// Handler for GetBucketBySlugQuery
pub struct GetBucketBySlugHandler<R: BucketRepository> {
    repository: std::sync::Arc<R>,
}

impl<R: BucketRepository> GetBucketBySlugHandler<R> {
    pub fn new(repository: std::sync::Arc<R>) -> Self {
        Self { repository }
    }
}

#[async_trait]
impl<R: BucketRepository + 'static> QueryHandler<GetBucketBySlugQuery> for GetBucketBySlugHandler<R> {
    type Output = Option<Bucket>;

    async fn handle(&self, query: GetBucketBySlugQuery) -> Result<Self::Output> {
        self.repository.find_by_slug(&query.slug).await
    }
}

// ============================================================================
// CUSTOM QUERIES
// ============================================================================
// <<< CUSTOM QUERIES START >>>

// <<< CUSTOM QUERIES START >>>
// Add your custom queries here
// Example:
//
// #[derive(Debug, Clone, Serialize, Deserialize)]
// pub struct GetActiveBucketQuery;
// <<< CUSTOM QUERIES END >>>