[IMP] account_avatax_exemption: Import tax rules

In some cases, the tax rules have been entered in Avatax and you want to synchronize them with Odoo. We add the 'Import Tax Rules' feature that allows you to import the missing rules into Odoo.

account_avatax_exemption/models/avalara_salestax.py

@@ -287,6 +287,74 @@ def export_new_exemption_rules(self, rules=None):
                     description="Export Rule %s" % (rule.name),
                 )._export_base_rule_based_on_type(rule)
 
+    def map_rule_vals_to_fields(self, json_data):
+        avatax_rule_data = {
+            "avatax_id": json_data["id"],
+            "avatax_rate": json_data.get("value", ""),
+            "exemption_code_id": json_data.get("customerUsageType", ""),
+            "is_all_juris": json_data.get("isAllJuris", False),
+            "state": "done",
+        }
+        # Search for tax code and exemption code in Odoo models
+        tax_code_id = (
+            self.env["product.tax.code"].search(
+                [("name", "=", json_data.get("taxCode", "") or "")], limit=1
+            )
+            or None
+        )
+        if tax_code_id:
+            avatax_rule_data["avatax_tax_code"] = tax_code_id.id
+        exemption_code_id = (
+            self.env["exemption.code"].search(
+                [("code", "=", json_data.get("customerUsageType", "") or "")], limit=1
+            )
+            or None
+        )
+        if exemption_code_id:
+            avatax_rule_data["exemption_code_id"] = exemption_code_id.id
+        # Search for country and state in Odoo models
+        state_id = (
+            self.env["res.country.state"].search(
+                [("code", "=", json_data.get("region", "") or "")], limit=1
+            )
+            or None
+        )
+        if state_id:
+            avatax_rule_data["state_id"] = state_id.id
+            avatax_rule_data["taxable"] = state_id.avatax_nexus
+        return avatax_rule_data
+
+    def import_tax_rules(self):
+        avatax_custom_rule_model = self.env["exemption.code.rule"]
+        avatax_restpoint = AvaTaxRESTService(config=self)
+        rules = avatax_custom_rule_model.search(
+            [("avatax_id", "!=", False), ("state", "=", "done")],
+        )
+        include_option = None
+        if rules:
+            filter_rules = "id not in ("
+            filter_rules += ", ".join(map(str, rules.mapped("avatax_id")))
+            filter_rules += ")"
+            include_option = "$filter=" + filter_rules
+        r = avatax_restpoint.client.list_tax_rules(
+            self.avatax_company_id, include_option
+        )
+        result = r.json()
+        if "error" in result:
+            error = result["error"]
+            error_message = "Code: {}\nMessage: {}\nTarget: {}\nDetails;{}".format(
+                error.get("code", False),
+                error.get("message", False),
+                error.get("target", False),
+                error.get("details", False),
+            )
+            raise UserError(error_message)
+        mapped_data = []
+        for rule_vals in result["value"]:
+            if rule_vals.get("customerUsageType", "") and rule_vals.get("region", ""):
+                mapped_data.append(self.map_rule_vals_to_fields(rule_vals))
+        avatax_custom_rule_model.create(mapped_data)
+
     def download_exemptions(self):
         if not self.ids:
             self = self.search([("exemption_export", "=", True)], limit=1)

account_avatax_exemption/views/avalara_salestax_view.xml

@@ -26,6 +26,11 @@
                         name="download_exemptions"
                         string="Import Exemptions"
                     />
+                    <button
+                        type="object"
+                        name="import_tax_rules"
+                        string="Import Tax Rules"
+                    />
                     <button
                         type="object"
                         name="export_new_tax_items"