fix: check for keyword length before accessing

Author: TimilsinaBimal

app/services/row_generator.py

@@ -64,29 +64,37 @@ def get_cname(code):
             return ""
 
         # Strategy 1: Combined Keyword Row (Top Priority)
-        if top_keywords:
-            # keywords = random.sample(top_keywords, k=2)
-            k_id1 = top_keywords[0][0]
-            k_id2 = top_keywords[1][0]
-            kw_name = await self._get_keyword_name(k_id1)
+        if len(top_keywords) >= 2:
+            k_id1, k_id2 = top_keywords[0][0], top_keywords[1][0]
+            kw_name1 = await self._get_keyword_name(k_id1)
             kw_name2 = await self._get_keyword_name(k_id2)
-            multiple_keywords = True
-            title = gemini_service.generate_content(f"Keywords: {kw_name} + {kw_name2}")
-            if not title:
-                multiple_keywords = False
-                title = normalize_keyword(kw_name)
-            if multiple_keywords:
+            title = ""
+            if kw_name1 and kw_name2:
+                title = gemini_service.generate_content(f"Keywords: {kw_name1} + {kw_name2}")
+
+            if title:
                 rows.append(
                     RowDefinition(
                         title=title,
                         id=f"watchly.theme.k{k_id1}.k{k_id2}",
                         keywords=[k_id1, k_id2],
                     )
                 )
-            else:
+            elif kw_name1:
                 rows.append(
                     RowDefinition(
-                        title=title,
+                        title=normalize_keyword(kw_name1),
+                        id=f"watchly.theme.k{k_id1}",
+                        keywords=[k_id1],
+                    )
+                )
+        elif top_keywords:
+            k_id1 = top_keywords[0][0]
+            kw_name1 = await self._get_keyword_name(k_id1)
+            if kw_name1:
+                rows.append(
+                    RowDefinition(
+                        title=normalize_keyword(kw_name1),
                         id=f"watchly.theme.k{k_id1}",
                         keywords=[k_id1],
                     )