[ADD] web_widget_uom

web_widget_uom/models/__init__.py

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

web_widget_uom/models/uom_uom.py

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+# Copyright 2019 Eficent Business and IT Consulting Services S.L.
+#   (http://www.eficent.com)
+# Copyright 2022 - Giovanni Serra
+import decimal
+
+from odoo import _, api, fields, models
+
+
+class UoM(models.Model):
+    _inherit = "uom.uom"
+
+    decimal_places = fields.Integer(
+        string="Decimal Places",
+        default=2,
+    )
+
+    show_only_inputed_decimals = fields.Boolean(
+        "Show only inputed decimals",
+        default=False,
+        help="It shows only inputed decimals up to Decimal Places",
+    )
+
+    @api.onchange("decimal_places")
+    def _onchange_decimal_places(self):
+        decimal_accuracy = self.env["decimal.precision"].precision_get(
+            "Product Unit of Measure"
+        )
+
+        if self.decimal_places > decimal_accuracy:
+            return {
+                "warning": {
+                    "title": _("Warning!"),
+                    "message": _(
+                        "The Decimal places is higher than the Decimal Accuracy"
+                        " (%s digits).\nThis may cause inconsistencies in computations.\n"
+                        "Please set Decimal Places between 0 and %s."
+                    )
+                    % (decimal_accuracy, decimal_accuracy),
+                }
+            }
+
+    _sql_constraints = [
+        (
+            "uom_decimal_places_positive",
+            "CHECK(decimal_places >= 0)",
+            "Decimal places must be strictly bigger or equal than zero",
+        ),
+    ]
+
+    def get_decimal_places(self, uom_id, value):
+        uom = self.env["uom.uom"].browse(uom_id)
+        decimal_places = uom.decimal_places
+        if uom.show_only_inputed_decimals:
+            digits = (
+                0
+                if isinstance(value, int)
+                else abs(decimal.Decimal(str(value)).as_tuple().exponent)
+            )
+            decimal_places = min(decimal_places, digits)
+        return decimal_places