92 lines
3.4 KiB
Python
92 lines
3.4 KiB
Python
from typing import List, Optional
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from datetime import datetime
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import random
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from sqlalchemy import select, delete
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from models.noi_tu import DiscordNoiTu
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from infra.db import postgres
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class NoiTuRepository:
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def __init__(self):
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self.Session = postgres.get_sessionmaker()
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async def is_exist(self, word: str) -> bool:
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"""Kiểm tra xem từ có tồn tại trong bảng không"""
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try:
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word = word.strip()
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async with self.Session() as session:
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stmt = select(DiscordNoiTu).where(DiscordNoiTu.word == word).limit(1)
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result = await session.execute(stmt)
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return result.scalar_one_or_none() is not None
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except Exception as e:
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print(f"Error checking if word exists: {e}")
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return False
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async def add(self, word: str) -> bool:
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"""Thêm từ vào bảng"""
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try:
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async with self.Session() as session:
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noi_tu = DiscordNoiTu(word=word)
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session.add(noi_tu)
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await session.commit()
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return True
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except Exception as e:
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print(f"Error adding word: {e}")
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return False
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async def remove(self, word: str) -> bool:
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"""Xóa từ khỏi bảng"""
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try:
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async with self.Session() as session:
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stmt = delete(DiscordNoiTu).where(DiscordNoiTu.word == word)
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await session.execute(stmt)
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await session.commit()
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return True
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except Exception as e:
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print(f"Error removing word: {e}")
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return False
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async def get_random_word(self) -> Optional[str]:
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"""Lấy một từ ngẫu nhiên từ bảng"""
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try:
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async with self.Session() as session:
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stmt = select(DiscordNoiTu.word)
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result = await session.execute(stmt)
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words: List[str] = []
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for row in result.scalars():
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word = row.strip()
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parts = word.split()
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if len(parts) == 2 and all(part.isalpha() for part in parts):
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words.append(word)
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if words:
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return random.choice(words)
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return None
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except Exception as e:
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print(f"Error getting random word: {e}")
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return None
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async def get_all_words(self) -> List[str]:
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"""Lấy tất cả từ trong bảng"""
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try:
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async with self.Session() as session:
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stmt = select(DiscordNoiTu.word)
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result = await session.execute(stmt)
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words: List[str] = []
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for row in result.scalars():
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word = row.strip()
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parts = word.split()
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if len(parts) == 2 and all(part.isalpha() for part in parts):
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words.append(word)
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return words
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except Exception as e:
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print(f"Error getting all words: {e}")
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return []
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async def is_valid_word(self, word: str) -> bool:
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"""Kiểm tra từ có hợp lệ không (2 từ ghép, mỗi từ chỉ gồm chữ cái)"""
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word = word.strip()
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parts = word.split()
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if len(parts) != 2:
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return False
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return all(part.isalpha() for part in parts)
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