add stock_inventory_category_concurrency: allow several inventory adjustments for diffent categories

stock_inventory_category_concurrency/models/__init__.py

@@ -0,0 +1 @@
+from . import stock_inventory

stock_inventory_category_concurrency/models/stock_inventory.py

@@ -0,0 +1,70 @@
+from odoo import _, models
+from odoo.exceptions import ValidationError
+
+
+class InventoryAdjustmentsGroup(models.Model):
+    _inherit = "stock.inventory"
+
+    def action_state_to_in_progress(self):
+        """
+        Relaja el bloqueo por categoría: si el ajuste actual es por categoría,
+        solo bloquea otros ajustes en progreso que afecten a la MISMA categoría exacta,
+        no a categorías hermanas distintas ni a todas sus hijas.
+        """
+        self.ensure_one()
+        # Reusar la lógica original, pero parchear el caso de category
+        search_filter = [
+            (
+                "location_id",
+                "child_of" if not self.exclude_sublocation else "in",
+                self.location_ids.ids,
+            ),
+            ("to_do", "=", True),
+        ]
+
+        error_field = "location_id"
+        error_message = _(
+            "There's already an Adjustment in Process "
+            "using one requested Location: %(names)s. "
+            "Blocking adjustments: %(blocking_names)s"
+        )
+
+        if self.product_ids:
+            search_filter.append(("product_id", "in", self.product_ids.ids))
+            error_field = "product_id"
+            error_message = _(
+                "There are active adjustments for the requested products: %(names)s. "
+                "Blocking adjustments: %(blocking_names)s"
+            )
+        elif self.category_id:
+            # Solo misma categoría exacta, sin OR hijos
+            search_filter.append(("product_id.categ_id", "=", self.category_id.id))
+            error_field = "category_id"
+            error_message = _(
+                "There are active adjustments for the requested category: %(names)s. "
+                "Blocking adjustments: %(blocking_names)s"
+            )
+
+        quants = self.env["stock.quant"].search(search_filter)
+        if quants:
+            inventory_ids = self.env["stock.inventory"].search(
+                [("stock_quant_ids", "in", quants.ids), ("state", "=", "in_progress")]
+            )
+            if inventory_ids:
+                blocking_names = ", ".join(inventory_ids.mapped("name"))
+                names = self._get_quant_joined_names(quants, error_field)
+                raise ValidationError(
+                    error_message % {"names": names, "blocking_names": blocking_names}
+                )
+
+        quants = self._get_quants(self.location_ids)
+        self.write({"state": "in_progress", "stock_quant_ids": [(6, 0, quants.ids)]})
+        quants.write(
+            {
+                "to_do": True,
+                "user_id": self.responsible_id,
+                "inventory_date": self.date,
+                "current_inventory_id": self.id,
+            }
+        )
+        return