From b76abf54ab80a66148ec6b12c9331b315aca32a0 Mon Sep 17 00:00:00 2001
From: Bernd Bestel <bernd@berrnd.de>
Date: Mon, 26 Dec 2022 09:20:41 +0100
Subject: [PATCH] Simplified qu_factor_purchase_to_stock handling

---
 migrations/0209.sql | 87 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 87 insertions(+)
 create mode 100644 migrations/0209.sql

diff --git a/migrations/0209.sql b/migrations/0209.sql
new file mode 100644
index 00000000..e437a3e2
--- /dev/null
+++ b/migrations/0209.sql
@@ -0,0 +1,87 @@
+DROP VIEW products_view;
+CREATE VIEW products_view
+AS
+SELECT
+	p.*,
+	CASE WHEN (SELECT 1 FROM products WHERE parent_product_id = p.id) NOTNULL THEN 1 ELSE 0 END AS has_sub_products,
+	IFNULL(quc.factor, 1.0) AS qu_factor_purchase_to_stock
+FROM products p
+LEFT JOIN quantity_unit_conversions quc
+	ON p.id = quc.product_id
+	AND p.qu_id_purchase = quc.from_qu_id
+	AND p.qu_id_stock = quc.to_qu_id;
+
+DROP VIEW uihelper_stock_current_overview;
+CREATE VIEW uihelper_stock_current_overview
+AS
+SELECT
+	p.id,
+	sc.amount_opened AS amount_opened,
+	p.tare_weight AS tare_weight,
+	p.enable_tare_weight_handling AS enable_tare_weight_handling,
+	sc.amount AS amount,
+	sc.value as value,
+	sc.product_id AS product_id,
+	sc.best_before_date AS best_before_date,
+	EXISTS(SELECT id FROM stock_missing_products WHERE id = sc.product_id) AS product_missing,
+	(SELECT name FROM quantity_units WHERE quantity_units.id = p.qu_id_stock) AS qu_unit_name,
+	(SELECT name_plural FROM quantity_units WHERE quantity_units.id = p.qu_id_stock) AS qu_unit_name_plural,
+	p.name AS product_name,
+	(SELECT name FROM product_groups WHERE product_groups.id = p.product_group_id) AS product_group_name,
+	EXISTS(SELECT * FROM shopping_list WHERE shopping_list.product_id = sc.product_id) AS on_shopping_list,
+	(SELECT name FROM quantity_units WHERE quantity_units.id = p.qu_id_purchase) AS qu_purchase_unit_name,
+	(SELECT name_plural FROM quantity_units WHERE quantity_units.id = p.qu_id_purchase) AS qu_purchase_unit_name_plural,
+	sc.is_aggregated_amount,
+	sc.amount_opened_aggregated,
+	sc.amount_aggregated,
+	p.calories AS product_calories,
+	sc.amount * p.calories AS calories,
+	sc.amount_aggregated * p.calories AS calories_aggregated,
+	p.quick_consume_amount,
+	p.due_type,
+	plp.purchased_date AS last_purchased,
+	plp.price AS last_price,
+	pap.price as average_price,
+	p.min_stock_amount,
+	pbcs.barcodes AS product_barcodes,
+	p.description AS product_description,
+	l.name AS product_default_location_name,
+	p_parent.id AS parent_product_id,
+	p_parent.name AS parent_product_name,
+	p.picture_file_name AS product_picture_file_name,
+	p.no_own_stock AS product_no_own_stock,
+	p.qu_factor_purchase_to_stock AS product_qu_factor_purchase_to_stock
+FROM (
+	SELECT *
+	FROM stock_current
+	WHERE best_before_date IS NOT NULL
+	UNION
+	SELECT m.id, 0, 0, 0, null, 0, 0, 0, p.due_type
+	FROM stock_missing_products m
+	JOIN products p
+		ON m.id = p.id
+	WHERE m.id NOT IN (SELECT product_id FROM stock_current)
+	) sc
+LEFT JOIN products_last_purchased plp
+	ON sc.product_id = plp.product_id
+LEFT JOIN products_average_price pap
+	ON sc.product_id = pap.product_id
+LEFT JOIN products_view p
+    ON sc.product_id = p.id
+LEFT JOIN product_barcodes_comma_separated pbcs
+	ON sc.product_id = pbcs.product_id
+LEFT JOIN products p_parent
+	ON p.parent_product_id = p_parent.id
+LEFT JOIN locations l
+	ON p.location_id = l.id
+WHERE p.hide_on_stock_overview = 0;
+
+DROP VIEW uihelper_stock_entries;
+CREATE VIEW uihelper_stock_entries
+AS
+SELECT
+	*,
+	p.qu_factor_purchase_to_stock AS product_qu_factor_purchase_to_stock
+FROM stock s
+JOIN products_view p
+	ON s.product_id = p.id;