backbone-pos 0.9.0

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

use backbone_core::GenericCrudService;

use crate::presentation::dto::{CreatePosInvoiceDto, UpdatePosInvoiceDto};
use crate::domain::entity::PosInvoice;
use crate::infrastructure::persistence::PosInvoiceRepository;

/// Application service for PosInvoice 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 `pos_invoice_service_custom.rs`:
///
/// ```rust,ignore
/// pub struct PosInvoiceServiceCustom {
///     inner: Arc<PosInvoiceService>,
///     // add domain-specific dependencies here
/// }
/// ```
pub type PosInvoiceService = GenericCrudService<
    PosInvoice,
    CreatePosInvoiceDto,
    UpdatePosInvoiceDto,
    PosInvoiceRepository,
>;

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

#[async_trait::async_trait]
impl backbone_core::write_guard::WriteGuard<PosInvoice> for PosInvoiceRowRules {
    async fn check(
        &self,
        ctx: &backbone_core::write_guard::WriteCtx<'_, PosInvoice>,
    ) -> 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 mut shadow = Vec::new();
        let mut refuse = Vec::new();
        // `status` belongs to a state machine: only its verbs move it
        if update && ctx.transition.is_none() && r::changed(old.as_ref(), row, &["status"]) {
            shadow.push(Violation::new("status", "state_field_verbs_only", "the state field moves only through its verbs"));
        }
        // `pos_profile_id_required` (@required on PosInvoice.pos_profile_id)
        if (create || (update && r::changed(old.as_ref(), row, &["pos_profile_id"]))) && !r::holds(&r::and(r::is_not_null(r::field(row, "pos_profile_id")), r::not(r::is_empty(r::trim(r::field(row, "pos_profile_id")))))) {
            refuse.push(Violation::new("pos_profile_id", "required", "pos_profile_id is required"));
        }
        // `opening_entry_id_required` (@required on PosInvoice.opening_entry_id)
        if (create || (update && r::changed(old.as_ref(), row, &["opening_entry_id"]))) && !r::holds(&r::and(r::is_not_null(r::field(row, "opening_entry_id")), r::not(r::is_empty(r::trim(r::field(row, "opening_entry_id")))))) {
            refuse.push(Violation::new("opening_entry_id", "required", "opening_entry_id is required"));
        }
        // `receipt_number_required` (@required on PosInvoice.receipt_number)
        if (create || (update && r::changed(old.as_ref(), row, &["receipt_number"]))) && !r::holds(&r::and(r::is_not_null(r::field(row, "receipt_number")), r::not(r::is_empty(r::trim(r::field(row, "receipt_number")))))) {
            refuse.push(Violation::new("receipt_number", "required", "receipt_number is required"));
        }
        // `receipt_number_max_length` (@max(40) on PosInvoice.receipt_number)
        if (create || (update && r::changed(old.as_ref(), row, &["receipt_number"]))) && !r::holds(&r::le(r::length(r::field(row, "receipt_number")), r::Val::Num(40.0_f64))) {
            shadow.push(Violation::new("receipt_number", "max_length", "receipt_number must be at most 40 characters").with_param("max", 40_i64));
        }
        // `net_total_non_negative` (@non_negative on PosInvoice.net_total)
        if (create || (update && r::changed(old.as_ref(), row, &["net_total"]))) && !r::holds(&r::ge(r::field(row, "net_total"), r::Val::Num(0.0_f64))) {
            shadow.push(Violation::new("net_total", "non_negative", "net_total must not be negative"));
        }
        // `tax_total_non_negative` (@non_negative on PosInvoice.tax_total)
        if (create || (update && r::changed(old.as_ref(), row, &["tax_total"]))) && !r::holds(&r::ge(r::field(row, "tax_total"), r::Val::Num(0.0_f64))) {
            shadow.push(Violation::new("tax_total", "non_negative", "tax_total must not be negative"));
        }
        // `grand_total_non_negative` (@non_negative on PosInvoice.grand_total)
        if (create || (update && r::changed(old.as_ref(), row, &["grand_total"]))) && !r::holds(&r::ge(r::field(row, "grand_total"), r::Val::Num(0.0_f64))) {
            shadow.push(Violation::new("grand_total", "non_negative", "grand_total must not be negative"));
        }
        // `rounded_total_non_negative` (@non_negative on PosInvoice.rounded_total)
        if (create || (update && r::changed(old.as_ref(), row, &["rounded_total"]))) && !r::holds(&r::ge(r::field(row, "rounded_total"), r::Val::Num(0.0_f64))) {
            shadow.push(Violation::new("rounded_total", "non_negative", "rounded_total must not be negative"));
        }
        // `paid_total_non_negative` (@non_negative on PosInvoice.paid_total)
        if (create || (update && r::changed(old.as_ref(), row, &["paid_total"]))) && !r::holds(&r::ge(r::field(row, "paid_total"), r::Val::Num(0.0_f64))) {
            shadow.push(Violation::new("paid_total", "non_negative", "paid_total must not be negative"));
        }
        // `change_due_non_negative` (@non_negative on PosInvoice.change_due)
        if (create || (update && r::changed(old.as_ref(), row, &["change_due"]))) && !r::holds(&r::ge(r::field(row, "change_due"), r::Val::Num(0.0_f64))) {
            shadow.push(Violation::new("change_due", "non_negative", "change_due must not be negative"));
        }
        GuardOutcome { refuse, shadow }
    }
}