backbone-banking 0.11.0

//! Application service for FxGainLoss entities
//!
//! Generated by metaphor-schema. Do not edit manually.
//!
//! Type alias over `GenericCrudService` — all CRUD logic lives in backbone-core.
//! For custom behaviour, create `fx_gain_loss_service_custom.rs` (preserved on regen).

use backbone_core::GenericCrudService;

use crate::presentation::dto::{CreateFxGainLossDto, UpdateFxGainLossDto};
use crate::domain::entity::FxGainLoss;
use crate::infrastructure::persistence::FxGainLossRepository;

/// Application service for FxGainLoss 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 `fx_gain_loss_service_custom.rs`:
///
/// ```rust,ignore
/// pub struct FxGainLossServiceCustom {
///     inner: Arc<FxGainLossService>,
///     // add domain-specific dependencies here
/// }
/// ```
pub type FxGainLossService = GenericCrudService<
    FxGainLoss,
    CreateFxGainLossDto,
    UpdateFxGainLossDto,
    FxGainLossRepository,
>;

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

#[async_trait::async_trait]
impl backbone_core::write_guard::WriteGuard<FxGainLoss> for FxGainLossRowRules {
    async fn check(
        &self,
        ctx: &backbone_core::write_guard::WriteCtx<'_, FxGainLoss>,
    ) -> 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();
        // `matched_source_id_required` (@required on FxGainLoss.matched_source_id)
        if (create || (update && r::changed(old.as_ref(), row, &["matched_source_id"]))) && !r::holds(&r::and(r::is_not_null(r::field(row, "matched_source_id")), r::not(r::is_empty(r::trim(r::field(row, "matched_source_id")))))) {
            refuse.push(Violation::new("matched_source_id", "required", "matched_source_id is required"));
        }
        // `currency_required` (@required on FxGainLoss.currency)
        if (create || (update && r::changed(old.as_ref(), row, &["currency"]))) && !r::holds(&r::and(r::is_not_null(r::field(row, "currency")), r::not(r::is_empty(r::trim(r::field(row, "currency")))))) {
            refuse.push(Violation::new("currency", "required", "currency is required"));
        }
        // `currency_max_length` (@max(3) on FxGainLoss.currency)
        if (create || (update && r::changed(old.as_ref(), row, &["currency"]))) && !r::holds(&r::le(r::length(r::field(row, "currency")), r::Val::Num(3.0_f64))) {
            refuse.push(Violation::new("currency", "max_length", "currency must be at most 3 characters").with_param("max", 3_i64));
        }
        // `original_rate_positive` (@positive on FxGainLoss.original_rate)
        if (create || (update && r::changed(old.as_ref(), row, &["original_rate"]))) && !r::holds(&r::gt(r::field(row, "original_rate"), r::Val::Num(0.0_f64))) {
            refuse.push(Violation::new("original_rate", "positive", "original_rate must be positive"));
        }
        // `realised_rate_positive` (@positive on FxGainLoss.realised_rate)
        if (create || (update && r::changed(old.as_ref(), row, &["realised_rate"]))) && !r::holds(&r::gt(r::field(row, "realised_rate"), r::Val::Num(0.0_f64))) {
            refuse.push(Violation::new("realised_rate", "positive", "realised_rate must be positive"));
        }
        // `fx_account_id_required` (@required on FxGainLoss.fx_account_id)
        if (create || (update && r::changed(old.as_ref(), row, &["fx_account_id"]))) && !r::holds(&r::and(r::is_not_null(r::field(row, "fx_account_id")), r::not(r::is_empty(r::trim(r::field(row, "fx_account_id")))))) {
            refuse.push(Violation::new("fx_account_id", "required", "fx_account_id is required"));
        }
        GuardOutcome { refuse, shadow }
    }
}