now products have different options, like different parameters

src/seed.rs

@@ -4,7 +4,7 @@ use loco_rs::prelude::*;
 use sea_orm::{ActiveModelTrait, ColumnTrait, EntityTrait, QueryFilter, Set};
 
 use crate::{
-    models::_entities::{categories, products},
+    models::_entities::{categories, product_variants, products},
     shared::slug::slugify,
 };
 
@@ -157,14 +157,11 @@ pub async fn seed_catalog(ctx: &AppContext) -> Result<()> {
 
         let now = chrono::Utc::now();
 
-        products::ActiveModel {
+        let product = products::ActiveModel {
             name: Set(item.name.to_string()),
             slug: Set(product_slug),
             description: Set(Some(item.description.to_string())),
-            price_cents: Set(item.price_cents),
             currency: Set("EUR".to_string()),
-            sku: Set(item.sku.map(|s| s.to_string())),
-            stock: Set(item.stock),
             published: Set(true),
             published_at: Set(Some(now.into())),
             category_id: Set(category.map(|c| c.id)),
@@ -172,6 +169,20 @@ pub async fn seed_catalog(ctx: &AppContext) -> Result<()> {
         }
         .insert(&ctx.db)
         .await?;
+
+        // Each seed product ships as a single default (unlabelled) variant
+        // carrying its price/stock/sku.
+        product_variants::ActiveModel {
+            product_id: Set(product.id),
+            label: Set(String::new()),
+            position: Set(0),
+            sku: Set(item.sku.map(|s| s.to_string())),
+            stock: Set(item.stock),
+            price_cents: Set(item.price_cents),
+            ..Default::default()
+        }
+        .insert(&ctx.db)
+        .await?;
     }
 
     Ok(())