remove stlc as an input, integrate last date to assess age of last price

new_targets/procs/guidance_logic.ms.sql

@@ -1,7 +1,8 @@
 CREATE OR ALTER FUNCTION pricing.guidance_logic (
     @target_price NUMERIC(20,5),
     @last_price   NUMERIC(20,5),
-    @list_price   NUMERIC(20,5)
+    @list_price   NUMERIC(20,5),
+    @last_date    DATE
 )
 RETURNS @result TABLE (
     guidance_price NUMERIC(20,5),
@@ -13,16 +14,17 @@ BEGIN
     DECLARE @reason NVARCHAR(MAX) = '';
     DECLARE @floored NUMERIC(20,5);
     DECLARE @capped  NUMERIC(20,5);
-    DECLARE @effective_price NUMERIC(20,5);
+    DECLARE @use_last_price BIT = 0;
 
-    IF @target_price IS NOT NULL AND @last_price IS NOT NULL
+    -- Determine if last price is recent (within last 2 years)
+    IF @last_price IS NOT NULL AND @last_date IS NOT NULL AND @last_date > DATEADD(YEAR, -2, CAST(GETDATE() AS DATE))
+        SET @use_last_price = 1;
+
+    IF @target_price IS NOT NULL AND @use_last_price = 1
     BEGIN
         SET @floored = dbo.GREATEST_NUMERIC205(@target_price, @last_price * 0.95);
         SET @capped  = dbo.LEAST_NUMERIC205(@floored, @last_price);
-        SET @price   = dbo.LEAST_NUMERIC205(
+        SET @price   = dbo.LEAST_NUMERIC205(ISNULL(@list_price, 1e9), @capped);
-                            ISNULL(@list_price, 1e9),
-                            @capped
-                       );
 
         IF @price = @last_price
         BEGIN
@@ -39,15 +41,42 @@ BEGIN
                 SET @reason += ', capped to not exceed list price';
         END
     END
-    ELSE IF @last_price IS NOT NULL
+    ELSE IF @use_last_price = 1
     BEGIN
         SET @price = @last_price;
         SET @reason = 'Last price - no target';
     END
-    ELSE
+    ELSE IF @target_price IS NOT NULL
     BEGIN
         SET @price = @target_price;
-        SET @reason = 'Target price - no prior sale';
+        IF @last_price IS NOT NULL AND @last_date IS NOT NULL
+        BEGIN
+            SET @reason = CONCAT(
+                'Last price ignored (too old: ', 
+                CONVERT(NVARCHAR(10), @last_date, 120), 
+                '), using target price'
+            );
+        END
+        ELSE
+        BEGIN
+            SET @reason = 'Target price - no prior sale';
+        END
+    END
+    ELSE
+    BEGIN
+        SET @price = NULL;
+        IF @last_price IS NOT NULL AND @last_date IS NOT NULL
+        BEGIN
+            SET @reason = CONCAT(
+                'Last price ignored (too old: ', 
+                CONVERT(NVARCHAR(10), @last_date, 120), 
+                '), no pricing available'
+            );
+        END
+        ELSE
+        BEGIN
+            SET @reason = 'No pricing available';
+        END
     END
 
     INSERT INTO @result VALUES (@price, @reason);

new_targets/procs/single_price_call.ms.sql

@@ -2,7 +2,6 @@ CREATE OR ALTER PROCEDURE pricing.single_price_call
     @bill   VARCHAR(100),
     @ship   VARCHAR(100),
     @part   VARCHAR(100),
-    @stlc   VARCHAR(100),
     @v1ds   VARCHAR(100),
     @vol    NUMERIC(18,6)
 AS
@@ -36,8 +35,8 @@ BEGIN
     --------------------------------------------------------------------------------
     -- Step 1: Seed the queue with input row
     --------------------------------------------------------------------------------
-    INSERT INTO @queue (bill, ship, part, stlc, v1ds, vol, expl)
+    INSERT INTO @queue (bill, ship, part, v1ds, vol, expl)
-    VALUES (@bill, @ship, @part, @stlc, @v1ds, @vol, '{}');
+    VALUES (@bill, @ship, @part, @v1ds, @vol, '{}');
 
     --------------------------------------------------------------------------------
     -- Step 2: Enrich with channel, tier, customer, pack quantity, and price level
@@ -76,7 +75,8 @@ BEGIN
                         ELSE bc.plevel
                     END
                 ELSE bc.plevel
-            END
+            END,
+     	stlc = substring(q.part,1,8)
     FROM @queue q
     LEFT JOIN rlarp.cust bc ON bc.code = q.bill
     LEFT JOIN rlarp.cust sc ON sc.code = q.ship
@@ -214,7 +214,8 @@ BEGIN
 	CROSS APPLY pricing.guidance_logic(
 	    CAST(JSON_VALUE(q.expl, '$.target_price') AS NUMERIC(20,5)),
 	    CAST(JSON_VALUE(q.expl, '$.last_price')   AS NUMERIC(20,5)),
-	    CAST(JSON_VALUE(q.expl, '$.list_price')   AS NUMERIC(20,5))
+	    CAST(JSON_VALUE(q.expl, '$.list_price')   AS NUMERIC(20,5)),
+	    CAST(JSON_VALUE(q.expl, '$.last_date')   AS DATE)
 	) g;
 
     --------------------------------------------------------------------------------