Add get_item_id() limiter option in order to not exceed Discord API…

… slash command limits.

The limiter option make sure that not more than 25 item ids are returned, so that it does not exceed the maximum of 25 entries for slash command `choice`.

framework/isobot/shop.py

@@ -10,10 +10,17 @@ def __init__(self, db_path: str):
         self.db_path = db_path
         with open(db_path, 'r') as f: self.db = json.load(f)
 
-    def get_item_ids(self) -> list:
+    def get_item_ids(self, *, limited: bool = False) -> list:
         """Fetches and returns all of the shop item ids."""
         json_list = list()
-        for h in self.db: json_list.append(str(h))
+        if limited:
+            cnt = 0
+            for item in self.db:
+                if cnt <= 24:
+                    cnt += 1
+                    json_list.append(str(item))
+        else:
+            for h in self.db: json_list.append(str(h))
         return json_list
 
     def get_item_names(self) -> list: