Add item_list_manager.py

cli/item_list_manager.py

@@ -0,0 +1,87 @@
+from dataclasses import dataclass, field
+from typing import List, Dict, Any, Optional
+from collections import defaultdict
+
+@dataclass
+class Item:
+    id: str
+    name: str
+    json_data_list: List[Dict[str, Any]] = field(default_factory=list)
+
+    def add_json_data(self, json_data: Dict[str, Any]):
+        if json_data not in self.json_data_list:
+            self.json_data_list.append(json_data)
+
+class ItemManager:
+    def __init__(self):
+        self.items_by_id: Dict[str, Item] = {}
+        self.items_by_name: Dict[str, Item] = {}
+        self.ordered_items: List[Item] = []
+
+    def add_item(self, json_obj: Dict[str, Any]):
+        item_id = json_obj['id']
+        item_name = json_obj['name']
+        if item_id not in self.items_by_id:
+            item = Item(id=item_id, name=item_name)
+            self.items_by_id[item_id] = item
+            self.items_by_name[item_name] = item
+            self.ordered_items.append(item)
+        else:
+            item = self.items_by_id[item_id]
+        item.add_json_data(json_obj['data'])
+        print(f"Item added or updated: {item}")
+
+    def add_items_from_json_list(self, json_list: List[Dict[str, Any]]):
+        for json_obj in json_list:
+            self.add_item(json_obj)
+
+    def remove_item_by_id(self, item_id: str):
+        if item_id in self.items_by_id:
+            item_to_remove = self.items_by_id.pop(item_id)
+            self.ordered_items = [item for item in self.ordered_items if item.id != item_id]
+            if item_to_remove.name in self.items_by_name:
+                del self.items_by_name[item_to_remove.name]
+            print(f"Item removed: {item_to_remove}")
+        else:
+            print(f"Item with ID {item_id} not found.")
+
+    def search_by_name(self, name: str) -> Optional[Item]:
+        return self.items_by_name.get(name)
+
+    def search_by_id(self, item_id: str) -> Optional[Item]:
+        return self.items_by_id.get(item_id)
+
+    def get_all_items(self) -> List[Item]:
+        return self.ordered_items
+
+# Example usage:
+item_manager = ItemManager()
+
+# Initial JSON list
+json_list_1 = [
+    {"id": "1", "name": "Item1", "data": {"key1": "value1"}},
+    {"id": "2", "name": "Item2", "data": {"key2": "value2"}},
+    {"id": "1", "name": "Item1", "data": {"key1": "value1a"}}
+]
+
+# Add items from the first list
+item_manager.add_items_from_json_list(json_list_1)
+item_manager.add_items_from_json_list(json_list_1)
+
+# Fetch more JSON objects
+json_list_2 = [
+    {"id": "3", "name": "Item3", "data": {"key3": "value3"}},
+    {"id": "4", "name": "Item4", "data": {"key4": "value4"}}
+]
+
+# Add new items if they are not already in the manager
+item_manager.add_items_from_json_list(json_list_2)
+item_manager.add_items_from_json_list(json_list_2)
+
+# Remove an item by ID
+item_manager.remove_item_by_id("1")
+
+# Get all items
+all_items = item_manager.get_all_items()
+for item in all_items:
+    print(item)