backbone-mail 0.6.0

Odoo mail core port — message/notification/followers/activity/alias/sms queue (schema: messaging)
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//! Application service for MailMessageAttachment entities
//!
//! Generated by metaphor-schema. Do not edit manually.
//!
//! Type alias over `GenericCrudService` — all CRUD logic lives in backbone-core.
//! For custom behaviour, create `mail_message_attachment_service_custom.rs` (preserved on regen).

use backbone_core::GenericCrudService;

use crate::presentation::dto::{CreateMailMessageAttachmentDto, UpdateMailMessageAttachmentDto};
use crate::domain::entity::MailMessageAttachment;
use crate::infrastructure::persistence::MailMessageAttachmentRepository;

/// Application service for MailMessageAttachment entities.
///
/// All 12 standard CRUD operations (list, create, get, update, patch,
/// soft_delete, restore, empty_trash, bulk_create, upsert, find_by_id,
/// list_deleted) are provided by `GenericCrudService`.
///
/// Custom extensions go in `mail_message_attachment_service_custom.rs`:
///
/// ```rust,ignore
/// pub struct MailMessageAttachmentServiceCustom {
///     inner: Arc<MailMessageAttachmentService>,
///     // add domain-specific dependencies here
/// }
/// ```
pub type MailMessageAttachmentService = GenericCrudService<
    MailMessageAttachment,
    CreateMailMessageAttachmentDto,
    UpdateMailMessageAttachmentDto,
    MailMessageAttachmentRepository,
>;

/// The rules the schema declares for MailMessageAttachment, checked against the row a create or update
/// would store. The generated build attaches it to [`MailMessageAttachmentService`]. A refusing rule's
/// break answers 422; a rule in shadow is logged under `backbone::write_guard` and the
/// write goes ahead.
pub struct MailMessageAttachmentRowRules;

#[async_trait::async_trait]
impl backbone_core::write_guard::WriteGuard<MailMessageAttachment> for MailMessageAttachmentRowRules {
    async fn check(
        &self,
        ctx: &backbone_core::write_guard::WriteCtx<'_, MailMessageAttachment>,
    ) -> backbone_core::write_guard::GuardOutcome {
        use backbone_core::row_rule as r;
        use backbone_core::violation::Violation;
        use backbone_core::write_guard::{GuardOutcome, WriteKind};
        let (create, update) = (ctx.kind == WriteKind::Create, ctx.kind == WriteKind::Update);
        let Some(after) = ctx.after.filter(|_| create || update) else {
            return GuardOutcome::allow();
        };
        let Ok(row) = serde_json::to_value(after) else {
            return GuardOutcome::allow();
        };
        let row = &row;
        let old = ctx.before.and_then(|b| serde_json::to_value(b).ok());
        let shadow = Vec::new();
        let mut refuse = Vec::new();
        // `message_id_required` (@required on MailMessageAttachment.message_id)
        if (create || (update && r::changed(old.as_ref(), row, &["message_id"]))) && !r::holds(&r::and(r::is_not_null(r::field(row, "message_id")), r::not(r::is_empty(r::trim(r::field(row, "message_id")))))) {
            refuse.push(Violation::new("message_id", "required", "message_id is required"));
        }
        // `attachment_id_required` (@required on MailMessageAttachment.attachment_id)
        if (create || (update && r::changed(old.as_ref(), row, &["attachment_id"]))) && !r::holds(&r::and(r::is_not_null(r::field(row, "attachment_id")), r::not(r::is_empty(r::trim(r::field(row, "attachment_id")))))) {
            refuse.push(Violation::new("attachment_id", "required", "attachment_id is required"));
        }
        GuardOutcome { refuse, shadow }
    }
}