Move Python code into repo root

2023-08-11 14:37:51 +02:00
parent b729e91aaa
commit fd02d162aa
32 changed files with 1 additions and 5 deletions
@@ -0,0 +1,37 @@
+WITH
+most_recent_sales AS (
+    SELECT DISTINCT ON (inventory_line)
+        inventory_line, snack_sales_log_id, snack_sales_log_timestamp AS most_recent_sale
+    FROM garfield.snack_sales_log
+    ORDER BY inventory_line ASC, snack_sales_log_timestamp DESC
+),
+enhanced_overview AS (
+    SELECT
+        inventory_items.item_id,
+        inventory_items.item_barcode,
+        inventory_items.name,
+        units_left,
+        location_name,
+        location,
+        CASE
+            WHEN snack_sales_log_id IS NULL THEN 0
+            ELSE sales / (EXTRACT(EPOCH FROM most_recent_sale) - EXTRACT(EPOCH FROM bought)) * 24 * 3600
+        END AS per_day
+    FROM garfield.inventory_item_overview
+    LEFT JOIN garfield.inventory_items USING (item_id)
+    LEFT JOIN most_recent_sales ON item_id = inventory_line
+)
+    
+SELECT
+    *,
+    CASE
+        WHEN per_day = 0 THEN NULL
+        ELSE GREATEST(0, units_left / per_day)
+    END AS days_left,
+    CASE
+        WHEN per_day = 0 THEN NULL
+        ELSE GREATEST(0, (60 - GREATEST(0, units_left / per_day)) * per_day)
+    END AS for_two_months
+FROM enhanced_overview
+WHERE (%(location_id)s IS NULL OR location = %(location_id)s)
+ORDER BY days_left ASC, per_day DESC