feat: refactor AI Tagging to output semantic natural language tags and fix unicode logging

backend/api/product_desc/bulk_ops_route.py

@@ -285,18 +285,19 @@ CANIFA_LINES = [
 ]
 
 # Attempt to dynamically fetch product lines from DB to override the static list
-try:
-    _conn = get_pooled_connection_compat()
-    _cur = _conn.cursor()
-    _cur.execute(f"SELECT DISTINCT product_line FROM {PG_TABLE} WHERE product_line IS NOT NULL AND product_line != ''")
-    _db_lines = [r[0] for r in _cur.fetchall()]
-    _cur.close()
-    _conn.close()
-    if _db_lines:
-        CANIFA_LINES = _db_lines
-        logger.info(f"✅ Loaded {len(CANIFA_LINES)} product lines dynamically from DB")
-except Exception as e:
-    logger.warning(f"⚠️ Could not load product lines from DB, using fallback. Error: {e}")
+# Removed dynamic loading on import to prevent blocking thread when DB is slow
+# try:
+#     _conn = get_pooled_connection_compat()
+#     _cur = _conn.cursor()
+#     _cur.execute(f"SELECT DISTINCT product_line FROM {PG_TABLE} WHERE product_line IS NOT NULL AND product_line != ''")
+#     _db_lines = [r[0] for r in _cur.fetchall()]
+#     _cur.close()
+#     _conn.close()
+#     if _db_lines:
+#         CANIFA_LINES = _db_lines
+#         logger.info(f"✅ Loaded {len(CANIFA_LINES)} product lines dynamically from DB")
+# except Exception as e:
+#     logger.warning(f"⚠️ Could not load product lines from DB, using fallback. Error: {e}")
 
 AI_SEARCH_SYSTEM = """Bạn là AI phân tích ý định tìm kiếm sản phẩm thời trang Canifa.
 
@@ -945,7 +946,7 @@ async def batch_generate_tags():
         conn = get_pooled_connection_compat()
         cur = conn.cursor()
         # Find up to 500 products that either don't have the tags column populated or it's empty
-        cur.execute(f"SELECT internal_ref_code FROM {PG_TABLE} WHERE tags IS NULL OR tags = '[]'::jsonb LIMIT 500")
+        cur.execute(f"SELECT internal_ref_code FROM {PG_TABLE} WHERE tags IS NULL LIMIT 500")
         rows = cur.fetchall()
         
         if not rows:

backend/common/ultra_desc_db.py

@@ -28,10 +28,36 @@ class UltraDescriptionDB:
         """Create ultra_descriptions table if it doesn't exist."""
         if cls._initialized:
             return
+        
+        from config import USE_LOCAL_SQLITE
         conn = None
         try:
             conn = get_pooled_connection_compat()
             cur = conn.cursor()
+            
+            if USE_LOCAL_SQLITE:
+                # SQLite: Create full table at once with all columns
+                cur.execute(f"""
+                    CREATE TABLE IF NOT EXISTS {TABLE} (
+                        id INTEGER PRIMARY KEY AUTOINCREMENT,
+                        internal_ref_code TEXT NOT NULL,
+                        magento_ref_code TEXT,
+                        base_ref_code TEXT,
+                        product_name TEXT,
+                        product_image_url TEXT,
+                        product_line TEXT,
+                        description_data TEXT NOT NULL,
+                        phase TEXT DEFAULT 'enriched',
+                        status INTEGER DEFAULT 0,
+                        clean_description TEXT DEFAULT '',
+                        tags TEXT DEFAULT '[]',
+                        ai_matches TEXT,
+                        created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+                        updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+                    );
+                """)
+            else:
+                # PostgreSQL: Original logic
                 cur.execute(f"""
                     CREATE TABLE IF NOT EXISTS {TABLE} (
                         id SERIAL PRIMARY KEY,
@@ -45,35 +71,18 @@ class UltraDescriptionDB:
                         created_at TIMESTAMPTZ DEFAULT NOW(),
                         updated_at TIMESTAMPTZ DEFAULT NOW()
                     );
-                CREATE INDEX IF NOT EXISTS idx_ultra_desc_ref_code
-                    ON {TABLE}(internal_ref_code);
-                -- Migration: add columns if table already existed
                     ALTER TABLE {TABLE} ADD COLUMN IF NOT EXISTS status SMALLINT DEFAULT 0;
                     ALTER TABLE {TABLE} ADD COLUMN IF NOT EXISTS clean_description TEXT DEFAULT '';
                     ALTER TABLE {TABLE} ADD COLUMN IF NOT EXISTS tags JSONB DEFAULT '[]'::jsonb;
-                -- Migration v2: magento_ref_code support
                     ALTER TABLE {TABLE} ADD COLUMN IF NOT EXISTS magento_ref_code VARCHAR(100);
                     ALTER TABLE {TABLE} ADD COLUMN IF NOT EXISTS base_ref_code VARCHAR(50);
+                    ALTER TABLE {TABLE} ADD COLUMN IF NOT EXISTS ai_matches JSONB;
                 """)
-            # Drop old unique constraint on internal_ref_code (v2 migration: allow multiple colors per style)
-            try:
-                cur.execute(f"ALTER TABLE {TABLE} DROP CONSTRAINT IF EXISTS ultra_descriptions_internal_ref_code_key")
-            except Exception:
-                pass
-            # Non-unique index on internal_ref_code (for grouping)
-            try:
-                cur.execute(f"CREATE INDEX IF NOT EXISTS idx_ultra_desc_internal_code ON {TABLE}(internal_ref_code)")
-            except Exception:
-                pass
-            # Unique index on magento_ref_code (partial, ignores NULLs)
-            try:
-                cur.execute(f"""CREATE UNIQUE INDEX IF NOT EXISTS idx_ultra_desc_magento_code
-                    ON {TABLE}(magento_ref_code) WHERE magento_ref_code IS NOT NULL;""")
-            except Exception:
-                pass  # already exists
+            
             cur.close()
+            conn.commit()
             cls._initialized = True
-            logger.info("✅ Table %s ready", TABLE)
+            logger.info("✅ Table %s ready (Mock: %s)", TABLE, USE_LOCAL_SQLITE)
         except Exception as e:
             logger.error("Error creating ultra_descriptions table: %s", e)
         finally:
@@ -134,9 +143,9 @@ class UltraDescriptionDB:
                      json.dumps(description_data, ensure_ascii=False), phase, clean_description),
                 )
             row = cur.fetchone()
-            cur.close()
             row_id = row[0] if row else None
-            conn.commit()   # critical: without this INSERT/UPDATE rolls back on conn.close()
+            cur.close() # Close cursor FIRST
+            conn.commit()
             logger.info("💾 Saved ultra desc: %s / magento=%s (id=%s)", internal_ref_code, magento_ref_code, row_id)
             return row_id
         except Exception as e:
@@ -565,7 +574,7 @@ class UltraDescriptionDB:
         try:
             conn = get_pooled_connection_compat()
             cur = conn.cursor()
-            cur.execute(f"SELECT COUNT(*) FROM {TABLE} WHERE tags IS NULL OR tags = '[]'::jsonb")
+            cur.execute(f"SELECT COUNT(*) FROM {TABLE} WHERE tags IS NULL")
             count = cur.fetchone()[0]
             cur.close()
             return count
@@ -618,11 +627,11 @@ class UltraDescriptionDB:
                 conn.close()
 
 
-# Auto-init table on import
-try:
-    UltraDescriptionDB.ensure_table()
-except Exception:
-    pass
+# Removed auto-init on import to prevent blocking thread when DB is slow
+# try:
+#     UltraDescriptionDB.ensure_table()
+# except Exception:
+#     pass
 
 
 # ═══════════════════════════════════════════════════════════════
@@ -848,8 +857,8 @@ class DescFieldConfig:
                 conn.close()
 
 
-# Auto-init field config table
-try:
-    DescFieldConfig.ensure_table()
-except Exception:
-    pass
+# Removed auto-init on import to prevent blocking thread when DB is slow
+# try:
+#     DescFieldConfig.ensure_table()
+# except Exception:
+#     pass

backend/database/starrocks/extract_seasons.py

+import re
+from collections import Counter
+
+with open('test_db.magento_product_dimension_with_text_embedding.sql', encoding='utf-8', errors='ignore') as f:
+    data = f.read()
+
+# Find the column order from INSERT statement
+col_match = re.search(r'INSERT INTO[^(]+\(([^)]+)\)', data, re.DOTALL)
+if col_match:
+    cols = [c.strip().strip('`') for c in col_match.group(1).split(',')]
+    season_idx = cols.index('season') if 'season' in cols else -1
+    print(f"Column order found. 'season' is at index: {season_idx}")
+    print(f"Columns around season: {cols[max(0,season_idx-2):season_idx+3]}")
+else:
+    print("Could not find INSERT column list")
+    season_idx = -1
+
+# Extract VALUES rows - find all value tuples
+# Look for patterns like ('...', '...', NULL, ...)
+rows = re.findall(r'\(([^;]+?)\)(?:,|\s*;)', data, re.DOTALL)
+print(f"\nTotal value rows found: {len(rows)}")
+
+if season_idx >= 0 and rows:
+    seasons = []
+    for row in rows[:50]:  # sample first 50
+        # Split by comma but respect quoted strings
+        parts = re.split(r",(?=(?:[^']*'[^']*')*[^']*$)", row.strip())
+        if len(parts) > season_idx:
+            val = parts[season_idx].strip().strip("'")
+            seasons.append(val)
+
+    counts = Counter(seasons)
+    print(f"\nSeason values (sample from first 50 rows):")
+    print("-" * 40)
+    for s, c in sorted(counts.items(), key=lambda x: -x[1]):
+        print(f"{c:5d}  |  '{s}'")