fix NotValidLengthException

controllers/utils.py

@@ -153,7 +153,7 @@ def fetch_url(url):
         return None
 
 
-def translate(text):
+def translate(text, max_length=4950):
     """
     Translates the given text to English.
 
@@ -163,12 +163,28 @@ def translate(text):
     Returns:
         str: The translated text in English.
     """
-    for _ in range(5):
-        try:
-            return GoogleTranslator(source='auto', target='en').translate(text) or ""
-        except exceptions.RequestError:
-            time.sleep(1)
-    return ""
+    if not text:
+        return ""
+    if len(text) <= max_length:
+        for _ in range(5):
+            try:
+                return GoogleTranslator(source='auto', target='en').translate(text) or ""
+            except exceptions.RequestError:
+                time.sleep(1)
+        return ""
+    # If text is too long, split and translate in chunks
+    result = []
+    for i in range(0, len(text), max_length):
+        chunk = text[i:i+max_length]
+        for _ in range(5):
+            try:
+                result.append(GoogleTranslator(source='auto', target='en').translate(chunk) or "")
+                break
+            except exceptions.RequestError:
+                time.sleep(1)
+        else:
+            result.append("")  # If all retries fail, append empty string
+    return " ".join(result)
 
 
 def sentiment_computation(content):