Merge remote-tracking branch 'origin/master'

svc/routes/product_series.go

@@ -297,12 +297,76 @@ func GetProductSeriesMappingsHandler(pg *sql.DB) http.HandlerFunc {
 		dim3ByToken, _ := loadDimTokenIDs(ctx, pg, "dimval3", setToSortedSlice(dim3Set))
 		existing, _ := loadProductSeriesAssignments(ctx, pg, codes)
 
+		// Per-request cache for per-mmitem dimval3 inference to avoid repeated dfblob scans.
+		inferCache := map[string]int64{}
+		inferDim3ForMmitem := func(mmitemID int64, token string) int64 {
+			mmitemID = int64(mmitemID)
+			tok := strings.ToUpper(normalizeDimParam(token))
+			if mmitemID <= 0 || tok == "" {
+				return 0
+			}
+			key := fmt.Sprintf("%d|%s", mmitemID, tok)
+			if v, ok := inferCache[key]; ok {
+				return v
+			}
+			// Use the same pattern approach as resolveDimvalFromFileNameToken, but scoped to src_id.
+			patterns := buildNameLikePatterns(tok)
+			if len(patterns) == 0 {
+				inferCache[key] = 0
+				return 0
+			}
+			var dimv string
+			err := pg.QueryRowContext(ctx, `
+SELECT x.dimv
+FROM (
+    SELECT COALESCE(dimval3::text, '') AS dimv, COUNT(*) AS cnt
+    FROM dfblob
+    WHERE src_table='mmitem'
+      AND typ='img'
+      AND src_id=$7
+      AND COALESCE(dimval3::text, '') <> ''
+      AND (
+        UPPER(COALESCE(file_name,'')) LIKE $1 OR
+        UPPER(COALESCE(file_name,'')) LIKE $2 OR
+        UPPER(COALESCE(file_name,'')) LIKE $3 OR
+        UPPER(COALESCE(file_name,'')) LIKE $4 OR
+        UPPER(COALESCE(file_name,'')) LIKE $5 OR
+        UPPER(COALESCE(file_name,'')) LIKE $6
+      )
+    GROUP BY COALESCE(dimval3::text, '')
+) x
+ORDER BY x.cnt DESC, x.dimv
+LIMIT 1
+`, patterns[0], patterns[1], patterns[2], patterns[3], patterns[4], patterns[5], mmitemID).Scan(&dimv)
+			if err != nil {
+				inferCache[key] = 0
+				return 0
+			}
+			dimv = strings.TrimSpace(dimv)
+			if dimv == "" || dimv == "0" {
+				inferCache[key] = 0
+				return 0
+			}
+			id, err := strconv.ParseInt(dimv, 10, 64)
+			if err != nil || id <= 0 {
+				inferCache[key] = 0
+				return 0
+			}
+			inferCache[key] = id
+			return id
+		}
+
 		out := make([]productSeriesMappingRow, 0, len(grouped))
 		for _, row := range grouped {
 			row.MmitemID = mmitemByCode[row.ProductCode]
 			row.Dim1ID = dim1ByToken[row.ColorCode]
 			if row.Dim3Code != "" {
-				row.Dim3ID = dim3ByToken[row.Dim3Code]
+				// dimval3 tokens can be ambiguous globally; prefer per-mmitem inference.
+				if inferred := inferDim3ForMmitem(row.MmitemID, row.Dim3Code); inferred > 0 {
+					row.Dim3ID = inferred
+				} else {
+					row.Dim3ID = dim3ByToken[row.Dim3Code]
+				}
 			}
 			row.MappingReady = row.MmitemID > 0 && row.Dim1ID > 0 && (row.Dim3Code == "" || row.Dim3ID > 0)
 			if !row.MappingReady {
@@ -515,7 +579,45 @@ WHERE dim_column=$1 AND token = ANY($2)
 		}
 		out[strings.TrimSpace(token)] = id
 	}
-	return out, rows.Err()
+	if err := rows.Err(); err != nil {
+		return out, err
+	}
+
+	// Best-effort fallback: infer missing token->dim_id from dfblob file_name patterns.
+	// NOTE: For dimval3, the same token can map to different dim ids per product in this
+	// installation, so we do NOT infer/persist globally here. Per-product inference is
+	// handled in the row loop (using mmitem_id) to avoid wrong matches.
+	for _, rawTok := range tokens {
+		tok := strings.ToUpper(normalizeDimParam(rawTok))
+		if tok == "" {
+			continue
+		}
+		if _, ok := out[tok]; ok {
+			continue
+		}
+		if column == "dimval3" {
+			// avoid global inference for dimval3
+			continue
+		}
+		v := resolveDimvalFromFileNameToken(pg, column, tok)
+		if v == "" {
+			continue
+		}
+		id, err := strconv.ParseInt(v, 10, 64)
+		if err != nil || id <= 0 {
+			continue
+		}
+		// Persist for future requests (best-effort).
+		_, _ = pg.ExecContext(ctx, `
+INSERT INTO mk_dim_token_map (dim_column, token, dim_id, updated_at)
+VALUES ($1,$2,$3,now())
+ON CONFLICT (dim_column, token)
+DO UPDATE SET dim_id = EXCLUDED.dim_id, updated_at = EXCLUDED.updated_at
+`, column, tok, id)
+		out[tok] = id
+	}
+
+	return out, nil
 }
 
 func loadProductSeriesAssignments(ctx context.Context, pg *sql.DB, codes []string) (map[string][]int64, error) {