hardcode of dpd and packeta

src/initializers/mod.rs

@@ -1,2 +1,3 @@
 pub mod admin_seeder;
+pub mod shipping_seeder;
 pub mod view_engine;

src/initializers/shipping_seeder.rs

@@ -0,0 +1,54 @@
+//! Ensures the built-in carrier delivery options (Packeta, DPD) always exist.
+//!
+//! These are the only delivery options the shop offers; the admin can price and
+//! enable/disable them but cannot add or remove options. We insert each one
+//! only when its `code` is missing, so an admin's price/enabled changes are
+//! never overwritten on the next boot.
+
+use async_trait::async_trait;
+use loco_rs::prelude::*;
+use sea_orm::{ActiveModelTrait, ColumnTrait, EntityTrait, PaginatorTrait, QueryFilter, Set};
+
+use crate::models::shipping_methods;
+
+/// `(code, name, carrier, requires_pickup_point, default_price_cents, position)`
+const BUILTINS: [(&str, &str, &str, bool, i64, i32); 2] = [
+    ("packeta", "Packeta", "packeta", true, 290, 0),
+    ("dpd", "DPD", "dpd", false, 450, 1),
+];
+
+pub struct ShippingSeeder;
+
+#[async_trait]
+impl Initializer for ShippingSeeder {
+    fn name(&self) -> String {
+        "shipping-seeder".to_string()
+    }
+
+    async fn before_run(&self, ctx: &AppContext) -> Result<()> {
+        for (code, name, carrier, requires_pickup_point, price_cents, position) in BUILTINS {
+            let exists = shipping_methods::Entity::find()
+                .filter(shipping_methods::Column::Code.eq(code))
+                .count(&ctx.db)
+                .await?
+                > 0;
+            if exists {
+                continue;
+            }
+            shipping_methods::ActiveModel {
+                code: Set(code.to_string()),
+                name: Set(name.to_string()),
+                carrier: Set(carrier.to_string()),
+                requires_pickup_point: Set(requires_pickup_point),
+                price_cents: Set(price_cents),
+                enabled: Set(true),
+                position: Set(position),
+                ..Default::default()
+            }
+            .insert(&ctx.db)
+            .await?;
+            tracing::info!(carrier = code, "seeded built-in delivery option");
+        }
+        Ok(())
+    }
+}