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modules/web_shop_shopify/carrier.py

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+# This file is part of Tryton.  The COPYRIGHT file at the top level of
+# this repository contains the full copyright notices and license terms.
+
+import re
+
+from trytond.model import MatchMixin, ModelSQL, ModelView, fields
+from trytond.pool import PoolMeta
+
+
+class Carrier(metaclass=PoolMeta):
+    __name__ = 'carrier'
+
+    shopify_selections = fields.One2Many(
+        'carrier.selection.shopify', 'carrier', "Shopify Selections",
+        help="Define the criteria that will match this carrier "
+        "with the Shopify shipping methods.")
+
+    def shopify_match(self, shop, shipping_line, pattern=None):
+        pattern = pattern.copy() if pattern is not None else {}
+        pattern.setdefault('shop', shop.id)
+        pattern.setdefault('code', shipping_line.get('code'))
+        pattern.setdefault('title', shipping_line.get('title'))
+        for selection in self.shopify_selections:
+            if selection.match(pattern):
+                return True
+        return False
+
+
+class SelectionShopify(MatchMixin, ModelSQL, ModelView):
+    __name__ = 'carrier.selection.shopify'
+
+    @classmethod
+    def __setup__(cls):
+        super().__setup__()
+        cls.__access__.add('carrier')
+
+    carrier = fields.Many2One(
+        'carrier', "Carrier", required=True, ondelete='CASCADE')
+    shop = fields.Many2One(
+        'web.shop', "Shop",
+        domain=[
+            ('type', '=', 'shopify'),
+            ])
+    code = fields.Char(
+        "Code",
+        help="The code of the shipping line.")
+    title = fields.Char(
+        "Title",
+        help="A regular expression to match the shipping line title.\n"
+        "Leave empty to allow any title.")
+
+    def match(self, pattern, match_none=False):
+        if 'title' in pattern:
+            pattern = pattern.copy()
+            title = pattern.pop('title') or ''
+            if (self.title is not None
+                    and not re.search(self.title, title, flags=re.I)):
+                return False
+        return super().match(pattern, match_none=match_none)