From 4cb42d06eaca163186135b552453ffd3209e94b4 Mon Sep 17 00:00:00 2001
From: Lance Edgar <lance@edbob.org>
Date: Mon, 30 Mar 2020 00:07:56 -0500
Subject: [PATCH] Add support for 'alt_id' and friends, in Catapult export

just the basic support here, for e.g. Zevia sodas where the single barcode
matches the pack
---
 .../db/exporters/catapult_inventory.py        | 48 +++++++++++++++----
 1 file changed, 39 insertions(+), 9 deletions(-)

diff --git a/rattail_corepos/corepos/importing/db/exporters/catapult_inventory.py b/rattail_corepos/corepos/importing/db/exporters/catapult_inventory.py
index d5954c1..17c2b5e 100644
--- a/rattail_corepos/corepos/importing/db/exporters/catapult_inventory.py
+++ b/rattail_corepos/corepos/importing/db/exporters/catapult_inventory.py
@@ -28,6 +28,7 @@ import logging
 
 from sqlalchemy import orm
 
+from corepos import enum as corepos_enum
 from corepos.db.office_op import model as corepos
 
 from rattail.gpc import GPC
@@ -86,10 +87,10 @@ class InventoryItemImporter(FromCore, catapult_importing.model.InventoryItemImpo
         'age_required',
         # 'location',
         # 'family_line',
-        # 'alt_id',
-        # 'alt_receipt_alias',
-        # 'alt_pkg_qty',
-        # 'alt_pkg_price',
+        'alt_id',
+        'alt_receipt_alias',
+        'alt_pkg_qty',
+        'alt_pkg_price',
         # 'auto_discount',
         # 'supplier_unit_id',
         # 'supplier_id',
@@ -121,6 +122,10 @@ class InventoryItemImporter(FromCore, catapult_importing.model.InventoryItemImpo
             'corepos', 'exporting.catapult_inventory.warn_missing_department',
             default=True)
 
+        self.warn_truncated_receipt_alias = self.config.getbool(
+            'corepos', 'exporting.catapult_inventory.warn_truncated_receipt_alias',
+            default=True)
+
     def query(self):
         query = self.host_session.query(corepos.Product)\
                                  .order_by(corepos.Product.upc)\
@@ -199,6 +204,30 @@ class InventoryItemImporter(FromCore, catapult_importing.model.InventoryItemImpo
         #         if tax_rate_ids_2 and rate.id in tax_rate_ids_2:
         #             tax_2 += rate.rate
 
+        # no alt item by default
+        alt_id = None
+        alt_receipt_alias = None
+        alt_pkg_qty = None
+        alt_pkg_price = None
+
+        # make an alt item, when main item has pack pricing (e.g. Zevia sodas)
+        # note that in this case the main item_id and alt_id are the same
+        if (product.quantity and product.group_price and
+            product.price_method == corepos_enum.PRODUCT_PRICE_METHOD_FULL_SETS):
+            alt_id = item_id
+            suffix = "{}-PK".format(product.quantity)
+            alt_receipt_alias = "{} {}".format(product.description, suffix)
+            if len(alt_receipt_alias) > 32:
+                logger = log.warning if self.warn_truncated_receipt_alias else log.debug
+                logger("alt receipt alias for %s is %s chars; must truncate: %s",
+                       alt_id, len(alt_receipt_alias), alt_receipt_alias)
+                overage = len(alt_receipt_alias) - 32
+                alt_receipt_alias = "{} {}".format(
+                    product.description[:-overage], suffix)
+                assert len(alt_receipt_alias) == 32
+            alt_pkg_qty = product.quantity
+            alt_pkg_price = product.group_price
+
         return {
             'item_id': item_id,
             'dept_id': department.number,
@@ -238,11 +267,12 @@ class InventoryItemImporter(FromCore, catapult_importing.model.InventoryItemImpo
             # 'location': None,
             # 'family_line': None,
 
-            # TODO: does CORE have these?
-            # 'alt_id': None,
-            # 'alt_receipt_alias': None,
-            # 'alt_pkg_qty': None,
-            # 'alt_pkg_price': None,
+            'alt_id': alt_id,
+            'alt_receipt_alias': alt_receipt_alias,
+            'alt_pkg_qty': alt_pkg_qty,
+            'alt_pkg_price': alt_pkg_price,
+
+            # TODO: does CORE have this?
             # 'auto_discount': None,
 
             # TODO: pretty sure CORE has these, but i'm not sure where