feat: add get current storu function

utils/utils.py

@@ -1,3 +1,5 @@
+import json
+from datetime import datetime
 from typing import List
 
 import gradio as gr
@@ -86,4 +88,47 @@ def get_player_achievements(player_info: gr.State) -> List[str]:
             "完成" if achievement_value["is_completed"] else "未完成",
         )
         for achievement_key, achievement_value in rewards_status.items()
-    ]
+    ]
+
+def get_current_story():
+    with open("story.json", "r", encoding="utf-8") as file:
+        story = json.load(file)
+
+    storyline_date = {
+        (datetime(2023, 12, 4).date(), datetime(2023, 12, 5).date()): 1,
+        (datetime(2023, 12, 6).date(), datetime(2023, 12, 7).date()): 2,
+        (datetime(2023, 12, 8).date(), datetime(2023, 12, 9).date()): 3,
+        (datetime(2023, 12, 10).date(), datetime(2023, 12, 11).date()): 4,
+        (datetime(2023, 12, 12).date(), datetime(2023, 12, 13).date()): 5,
+        (datetime(2023, 12, 14).date(), datetime(2023, 12, 15).date()): 6,
+        (datetime(2023, 12, 16).date(), datetime(2023, 12, 17).date()): 7,
+        (datetime(2023, 12, 18).date(), datetime(2023, 12, 19).date()): 8,
+        (datetime(2023, 12, 20).date(), datetime(2023, 12, 22).date()): 9,
+        (datetime(2023, 12, 23).date(), datetime(2023, 12, 25).date()): 10,
+        (datetime(2023, 12, 26).date(), datetime(2023, 12, 27).date()): 11,
+        (datetime(2023, 12, 28).date(), datetime(2023, 12, 29).date()): 12,
+    }
+
+    def get_stage(storyline_date):
+        current_date = datetime.now().date()
+        for (start_date, end_date), stage in storyline_date.items():
+            if start_date <= current_date <= end_date:
+                return stage
+        return None
+    
+    stage = get_stage(storyline_date)
+
+    if stage:
+        return gr.Slider.update(
+                    value=stage/12*100,
+                    show_label=False,
+                    interactive=False,
+                    info=story[str(stage)],
+                )
+    else:
+        return gr.Slider.update(
+                    value=0,
+                    show_label=False,
+                    interactive=False,
+                    info="狐貍貓與光束守護者的旅程將於 2023/12/04 開始！敬請期待！",
+                )