feat(ai-image): AI生图开发

apps/api/src/extension/extension.service.ts

@@ -321,12 +321,14 @@ export class ExtensionService {
                     await tx.query(
                         `UPDATE atlas.product_variants
                          SET source_sku = $1, display_name = $2, sort_order = $3,
+                             purchase_cost_cny = COALESCE(ROUND($4::numeric, 2), purchase_cost_cny),
                              deleted_at = NULL, updated_at = now()
-                         WHERE id = $4`,
+                         WHERE id = $5`,
                         [
                             variant.sourceSku ?? null,
                             variant.displayName,
                             index,
+                            sourcePurchaseCost(payload.source.platform, variant),
                             variantId,
                         ],
                     );
@@ -334,8 +336,8 @@ export class ExtensionService {
             } else {
                 const inserted = await tx.query<{ id: string }>(
                     `INSERT INTO atlas.product_variants
-                     (workspace_id, product_id, source_variant_key, source_sku, display_name, sort_order)
-                     VALUES ($1, $2, $3, $4, $5, $6) RETURNING id`,
+                     (workspace_id, product_id, source_variant_key, source_sku, display_name, sort_order, purchase_cost_cny)
+                     VALUES ($1, $2, $3, $4, $5, $6, ROUND($7::numeric, 2)) RETURNING id`,
                     [
                         workspaceId,
                         productId,
@@ -343,6 +345,7 @@ export class ExtensionService {
                         variant.sourceSku ?? null,
                         variant.displayName,
                         index,
+                        sourcePurchaseCost(payload.source.platform, variant),
                     ],
                 );
                 variantId = inserted.rows[0].id;
@@ -486,3 +489,13 @@ function sourceState(payload: CollectedProductPayload) {
         sourcePrice: payload.common.sourcePrice,
     };
 }
+
+/** 仅将 1688 明确标为人民币的逐 SKU 来源价写入采购价。 */
+function sourcePurchaseCost(
+    platform: CollectedProductPayload['source']['platform'],
+    variant: CollectedProductPayload['variants'][number] | { sourceVariantKey: null },
+) {
+    return platform === '1688' && 'sourcePrice' in variant && variant.sourcePrice?.currencyCode === 'CNY'
+        ? variant.sourcePrice.amount
+        : null;
+}