完成日志界面的制作

toolbox/codes/common/clibs.py

@@ -15,7 +15,7 @@ bg = f"{base_path}/assets/media/bg.jpg"
 win_width, win_height = 1100, 500
 conn, cursor = None, None
 listW_items = {"实用工具": "w10_practical", "效率提升": "w20_efficiency", "财务分析": "w30_financial"}
-
+icon = f"{base_path}/assets/media/icon.ico"
 
 def delete_files_in_directory(directory):
     path = Path(directory)

toolbox/codes/common/db_operation.py

@@ -1,6 +1,7 @@
 import sqlite3
 import time
 from inspect import currentframe
+from functools import singledispatch
 
 from codes.common import clibs
 
@@ -9,15 +10,15 @@ def db_init():
     if clibs.db_file.exists():
         return
 
-    clibs.conn = sqlite3.connect(clibs.db_file, isolation_level=None, check_same_thread=False, cached_statements=2048, timeout=10.0)
-    clibs.cursor = clibs.conn.cursor()
-    clibs.cursor.execute("PRAGMA journal_mode=wal")
-    clibs.cursor.execute("PRAGMA wal_checkpoint=TRUNCATE")
-    clibs.cursor.execute("PRAGMA synchronous=normal")
-    clibs.cursor.execute("PRAGMA temp_store=memory")
-    clibs.cursor.execute("PRAGMA mmap_size=30000000000")
-    clibs.cursor.execute("PRAGMA cache_size=200000")
-    clibs.cursor.execute(
+    conn = sqlite3.connect(clibs.db_file, isolation_level=None, check_same_thread=False, cached_statements=2048, timeout=10.0)
+    cursor = conn.cursor()
+    cursor.execute("PRAGMA journal_mode=wal")
+    cursor.execute("PRAGMA wal_checkpoint=TRUNCATE")
+    cursor.execute("PRAGMA synchronous=normal")
+    cursor.execute("PRAGMA temp_store=memory")
+    cursor.execute("PRAGMA mmap_size=30000000000")
+    cursor.execute("PRAGMA cache_size=200000")
+    cursor.execute(
         """
         create table if not exists logs(
             id integer primary key autoincrement,
@@ -28,7 +29,7 @@ def db_init():
         )
         """
     )
-    clibs.cursor.execute(
+    cursor.execute(
         """
         create table if not exists users(
             id integer primary key autoincrement,
@@ -39,14 +40,18 @@ def db_init():
         )
         """
     )
-    db_write_logs("数据库初始化成功！", "login_ui")
-    db_close()
+    cursor.execute(f"INSERT INTO logs (level, module, content) VALUES (?, ?, ?)", ("info", "login_ui", "数据库初始化成功！"))
+    cursor.close()
+    conn.close()
 
 def db_lock(func):
     def wrapper(*args, **kwargs):
         try:
             clibs.lock.acquire(True)
             ret = func(*args, **kwargs)
+        except Exception as e:
+            print(f"db operation error: {e}")
+            ret = None
         finally:
             clibs.lock.release()
         return ret
@@ -62,6 +67,13 @@ def db_backup():
         db.unlink()
 
 def db_conn():
+    # import traceback, inspect
+    # print("[Conn] 被调用", traceback.format_stack()[-2])
+    # print("[Conn] conn=", clibs.conn, "cursor=", clibs.cursor)
+
+    if clibs.conn is not None:
+        return
+
     clibs.conn = sqlite3.connect(clibs.db_file, isolation_level=None, check_same_thread=False, cached_statements=2048, timeout=3.0)
     clibs.cursor = clibs.conn.cursor()
     clibs.cursor.execute("PRAGMA journal_mode=wal")
@@ -92,9 +104,30 @@ def db_write_logs(content, module="", level="info"):
 
     clibs.cursor.execute(f"INSERT INTO logs (level, module, content) VALUES (?, ?, ?)", (level, module, content))
 
+@singledispatch
 @db_lock
-def db_query_logs():
-    ...
+def db_query_logs(dummy: bool = True):
+    clibs.cursor.execute(f"SELECT * FROM logs")
+    records = clibs.cursor.fetchall()
+    len_records = len(records)
+    return records, len_records
+
+@db_query_logs.register
+def _(levels: list):
+    placeholders = ",".join("?" * len(levels))
+    clibs.cursor.execute(f"SELECT * FROM logs WHERE level IN ({placeholders})", (*levels, ))
+    records = clibs.cursor.fetchall()
+    len_records = len(records)
+    return records, len_records
+
+@db_query_logs.register
+def _(search_text: str, records: list):
+    ids = [_[0] for _ in records]
+    placeholder = ",".join("?" * len(ids))
+    clibs.cursor.execute(f"SELECT * FROM logs WHERE id IN ({placeholder}) and content like ?", (ids + [f"%{search_text}%", ]))
+    records = clibs.cursor.fetchall()
+    len_records = len(records)
+    return records, len_records
 
 @db_lock
 def db_write_users(username, password_encrypted, salt):

toolbox/codes/common/signal_bus.py

@@ -14,7 +14,11 @@ class SignalBus(QObject):
 
     current_stacked_page = Signal(str)         # 获取当前页面的page_id
     init_stacked_page = Signal(str)            # 设置打开侧边栏后的初始页面
-    qa_stacked_page_switch = Signal(str)       # 切换stacked widget页面
+    stacked_page_switch = Signal(str)          # 切换stacked widget的页面
+    stacked_page_switch_setting = Signal()     # 切换stacked widget的设置页面后的触发信号
+    stacked_page_switch_log = Signal()         # 切换stacked widget的日志页面后的触发信号
+    stacked_page_switch_about = Signal()       # 切换stacked widget的关于页面后的触发信号
+    qa_switch_change = Signal(bool)            # 切换折叠侧边栏的状态
     home_overlay_trigger = Signal()            # 触发软件锁屏
     home_overlay_auth = Signal()               # 触发密码框的显示与隐藏
     home_overlay_close = Signal()              # 退出锁屏后的收尾信号