fix: 仪表盘改进

src/heurams/interface/screens/dashboard.py

@@ -34,16 +34,44 @@ class DashboardScreen(Screen):
         )
         yield Footer()
 
-    def item_desc_generator(self, path) -> dict:
+    def item_desc_generator(self, filename) -> dict:
+        """简单分析以生成项目项显示文本
+
+        Returns:
+            dict: 以数字为列表, 分别呈现单行字符串
+        """
         res = dict()
-        path = pathlib.Path(path)
-        res[0] = f"{path.name}\0"
-        res[1] = f""
-        res[1] = "  尚未激活"
+        filestem = pathlib.Path(filename).stem
+        res[0] = f"{filename}\0"
+        from heurams.kernel.particles.loader import load_electron
+        import heurams.kernel.particles as pt
+        electron_file_path = (pathlib.Path(config_var.get()["paths"]["electron_dir"]) / (filestem + ".json"))
+        if electron_file_path.exists(): # 未找到则创建电子文件 (json)
+            pass
+        else:
+            electron_file_path.touch()
+            with open(electron_file_path, 'w') as f:
+                f.write("{}")
+        electron_dict = load_electron(path=electron_file_path) # TODO: 取消硬编码扩展名
+        is_due = 0
+        is_activated = 0
+        nextdate = 0x3f3f3f3f
+        for i in electron_dict.values():
+            i: pt.Electron
+            if i.is_due():
+                is_due = 1
+            if i.is_activated():
+                is_activated = 1
+            nextdate = min(nextdate, i.nextdate())
+        res[1] = f"下一次复习: {nextdate}\n"
+        res[1] += f"{is_due if "需要复习" else "当前无需复习"}"
+        if not is_activated:
+            res[1] = "  尚未激活"
         return res
 
     def on_mount(self) -> None:
         union_list_widget = self.query_one("#union-list", ListView)
+
         probe = probe_all(0)
 
         if len(probe["nucleon"]):
@@ -66,31 +94,25 @@ class DashboardScreen(Screen):
         if "未找到任何 .toml 文件" in str(selected_label.renderable):
             return
 
-        selected_filename = pathlib.Path(str(selected_label.renderable).partition('\0')[0].replace('*', ""))
+        selected_filename = pathlib.Path(str(selected_label.renderable)
+                                         .partition('\0')[0] # 文件名末尾截断, 保留文件名
+                                         .replace('*', "")) # 去除markdown加粗
 
         nucleon_file_path = pathlib.Path(config_var.get()["paths"]["nucleon_dir"]) / selected_filename
         electron_file_path = pathlib.Path(config_var.get()["paths"]["electron_dir"]) / (str(selected_filename.stem) + ".json")
-        if electron_file_path.exists():
-            pass
-        else:
-            electron_file_path.touch()
-            with open(electron_file_path, 'w') as f:
-                f.write("{}")
         self.app.push_screen(PreparationScreen(nucleon_file_path, electron_file_path))
 
     def on_button_pressed(self, event) -> None:
         if event.button.id == "new_nucleon_button":
+            # 切换到创建单元
             from .nucleon_creator import NucleonCreatorScreen
             newscr = NucleonCreatorScreen()
             self.app.push_screen(newscr)
         elif event.button.id == "precache_all_button":
-            self.action_precache_all()
-
-    def action_precache_all(self):
-        """预缓存所有单元集的音频"""
-        from .precache import PrecachingScreen
-        precache_screen = PrecachingScreen()
-        self.app.push_screen(precache_screen)
+            # 切换到缓存管理器
+            from .precache import PrecachingScreen
+            precache_screen = PrecachingScreen()
+            self.app.push_screen(precache_screen)
 
     def action_quit_app(self) -> None:
         self.app.exit()