feat: make server own products

2026-10-21 12:10:42 +02:00
parent 93acfe15a9
commit b15d94a805
21 changed files with 1717 additions and 106 deletions
@@ -0,0 +1,73 @@
+import 'package:drift/drift.dart';
+
+import '../models/remote_command.dart';
+import 'app_database.dart';
+
+/// The product catalog as the website manages it.
+extension CatalogQueries on AppDatabase {
+  /// Makes the local products match [catalog]: new products are added,
+  /// changed ones updated, archived ones and products the server doesn't
+  /// know (such as the default products of a new tablet) are hidden. Hidden,
+  /// not deleted: open tabs and the history refer to them.
+  ///
+  /// The stock is not touched here: the stock rebase that follows sets it, a
+  /// new product starts as untracked until then. Local images are kept.
+  Future<void> applyServerCatalog(List<ServerProduct> catalog) {
+    return transaction(() async {
+      final local = {
+        for (final row in await select(products).get()) row.id: row,
+      };
+
+      for (final product in catalog) {
+        final category = product.category ?? '';
+        final lowStockThreshold = product.lowStockThreshold ?? 0;
+        final existing = local.remove(product.id);
+
+        if (existing == null) {
+          await into(products).insert(
+            ProductsCompanion.insert(
+              id: product.id,
+              name: product.name,
+              category: category,
+              stockQuantity: 0,
+              lowStockThreshold: lowStockThreshold,
+              infiniteStock: const Value(true),
+              priceInCents: product.priceInCents,
+              active: Value(!product.archived),
+            ),
+          );
+          continue;
+        }
+
+        if (existing.name == product.name &&
+            existing.category == category &&
+            existing.priceInCents == product.priceInCents &&
+            existing.lowStockThreshold == lowStockThreshold &&
+            existing.active == !product.archived) {
+          continue;
+        }
+        await (update(
+          products,
+        )..where((row) => row.id.equals(product.id))).write(
+          ProductsCompanion(
+            name: Value(product.name),
+            category: Value(category),
+            priceInCents: Value(product.priceInCents),
+            lowStockThreshold: Value(lowStockThreshold),
+            active: Value(!product.archived),
+          ),
+        );
+      }
+
+      final unknown = [
+        for (final row in local.values)
+          if (row.active) row.id,
+      ];
+      if (unknown.isNotEmpty) {
+        await (update(products)..where((row) => row.id.isIn(unknown))).write(
+          const ProductsCompanion(active: Value(false)),
+        );
+      }
+    });
+  }
+}