backbone-pos 0.9.0

Point of sale — cashier session, ticket + multi-tender; orchestrates billing (revenue) + payment (settlement), posts no GL directly
Documentation
//! Application service for PosOpeningEntry 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_opening_entry_service_custom.rs` (preserved on regen).

use backbone_core::GenericCrudService;

use crate::presentation::dto::{CreatePosOpeningEntryDto, UpdatePosOpeningEntryDto};
use crate::domain::entity::PosOpeningEntry;
use crate::infrastructure::persistence::PosOpeningEntryRepository;

/// Application service for PosOpeningEntry 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_opening_entry_service_custom.rs`:
///
/// ```rust,ignore
/// pub struct PosOpeningEntryServiceCustom {
///     inner: Arc<PosOpeningEntryService>,
///     // add domain-specific dependencies here
/// }
/// ```
pub type PosOpeningEntryService = GenericCrudService<
    PosOpeningEntry,
    CreatePosOpeningEntryDto,
    UpdatePosOpeningEntryDto,
    PosOpeningEntryRepository,
>;

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

#[async_trait::async_trait]
impl backbone_core::write_guard::WriteGuard<PosOpeningEntry> for PosOpeningEntryRowRules {
    async fn check(
        &self,
        ctx: &backbone_core::write_guard::WriteCtx<'_, PosOpeningEntry>,
    ) -> 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 PosOpeningEntry.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"));
        }
        // `cashier_party_id_required` (@required on PosOpeningEntry.cashier_party_id)
        if (create || (update && r::changed(old.as_ref(), row, &["cashier_party_id"]))) && !r::holds(&r::and(r::is_not_null(r::field(row, "cashier_party_id")), r::not(r::is_empty(r::trim(r::field(row, "cashier_party_id")))))) {
            refuse.push(Violation::new("cashier_party_id", "required", "cashier_party_id is required"));
        }
        GuardOutcome { refuse, shadow }
    }
}