Update chatbot/core.py

chatbot/core.py

@@ -15,8 +15,6 @@ def get_current_time():
     now = datetime.now(utc_plus_7)
     return now.strftime("%A, %Y-%m-%d %H:%M:%S")  # Example: "Saturday, 2025-03-29 14:30:00"
 
-current_time = get_current_time()
-
 def translate_to_english(text: str) -> str:
     """Use Gemini LLM to translate text to English with recent chat context."""
     recent_messages = memory.chat_memory.messages[-3:]  # Lấy 3 tin nhắn gần nhất
@@ -29,8 +27,11 @@ def translate_to_english(text: str) -> str:
     **If the query asks for general information**: 
     Extract and return only the most relevant keyword (e.g. a person's name, city, or key term) in English/international form. 
     If the query includes a specific time reference (date, month, or year), ensure that the translated keyword includes this time reference.
-    Current time: {current_time}. 
-    Identify the referenced time point (day, month, or year) mentioned in the query, calculate its exact value, and include it in the keyword if necessary.
+    Current time: {get_current_time()}. 
+    Identify the referenced time point (day, month, year, decade or century) mentioned in the query, calculate its exact value, and include it in the keyword if necessary.
+    If the query refers to time but does not require absolute precision (e.g., using words like "around" or "approximately"), return a broader time range and include it in the keyword if necessary.
+    For example:
+    If the current year is 2025, then: "around 30 years ago" is 1990s, "about 200 years ago" is 19th century.
     
     **If query asks about what happened to you**: 
     Interpret 'you' as Kumiko, based on your knowledge of the Hibike! Euphonium plot, return one of the following keywords: