feat: linbot

restruct the project

app/Line/Handlers.py

@@ -0,0 +1,50 @@
+from app.line import captcha_state
+from app.line.expense import (
+    EXPENSE_TEMPLATE,
+    save_expense,
+    delete_expense,
+    query_today,
+    query_month,
+    parse_multiline_expense,
+)
+
+
+def handle_text(line_user_id: str, text: str) -> str:
+    if text == "查今天":
+        return query_today(line_user_id)
+    if text == "查本月":
+        return query_month(line_user_id)
+    if text in ("記帳", "記帳說明"):
+        return EXPENSE_TEMPLATE
+    if text.startswith("刪除 "):
+        return delete_expense(line_user_id, text[3:].strip())
+
+    # 多行記帳
+    if "\n" in text:
+        fields = parse_multiline_expense(text)
+        if fields:
+            return save_expense(line_user_id, fields)
+        return (
+            "格式不正確 😅\n\n"
+            "必填欄位：品項、類別、金額\n"
+            "點下方「記帳」取得模板！"
+        )
+
+    return (
+        "點下方「記帳」取得記帳模板\n"
+        "或輸入「查今天」/「查本月」查詢"
+    )
+
+
+def handle_captcha(text: str) -> bool:
+    """回傳 True 表示是驗證碼輸入"""
+    if (
+        text.isdigit()
+        and len(text) == 5
+        and captcha_state.captcha_event
+        and not captcha_state.captcha_event.is_set()
+    ):
+        captcha_state.captcha_answer = text
+        captcha_state.captcha_event.set()
+        return True
+    return False