update

lib/odinsea/database/context.ex

@@ -11,7 +11,8 @@ defmodule Odinsea.Database.Context do
   import Ecto.Query
 
   alias Odinsea.Repo
-  alias Odinsea.Database.Schema.{Account, Character}
+  alias Odinsea.Database.Schema.{Account, Character, InventoryItem}
+  alias Odinsea.Game.InventoryType
   alias Odinsea.Net.Cipher.LoginCrypto
 
   # ==================================================================================================
@@ -481,4 +482,113 @@ defmodule Odinsea.Database.Context do
     
     :ok
   end
+
+  # ==================================================================================================
+  # Inventory Operations
+  # ==================================================================================================
+
+  @doc """
+  Loads all inventory items for a character.
+  Returns a map of inventory types to lists of items.
+  
+  Ported from ItemLoader.java
+  """
+  def load_character_inventory(character_id) do
+    items = 
+      InventoryItem
+      |> where([i], i.characterid == ^character_id)
+      |> Repo.all()
+    
+    # Group by inventory type
+    items
+    |> Enum.map(&InventoryItem.to_game_item/1)
+    |> Enum.group_by(fn item -> 
+      db_item = Enum.find(items, fn db -> db.inventoryitemid == item.id end)
+      InventoryType.from_type(db_item.inventorytype)
+    end)
+  end
+
+  @doc """
+  Gets items for a specific inventory type.
+  """
+  def get_inventory_items(character_id, inv_type) do
+    type_value = InventoryType.type_value(inv_type)
+    
+    InventoryItem
+    |> where([i], i.characterid == ^character_id and i.inventorytype == ^type_value)
+    |> Repo.all()
+    |> Enum.map(&InventoryItem.to_game_item/1)
+  end
+
+  @doc """
+  Gets a single inventory item by ID.
+  """
+  def get_inventory_item(item_id) do
+    case Repo.get(InventoryItem, item_id) do
+      nil -> nil
+      db_item -> InventoryItem.to_game_item(db_item)
+    end
+  end
+
+  @doc """
+  Creates a new inventory item.
+  """
+  def create_inventory_item(character_id, inv_type, item) do
+    attrs = InventoryItem.from_game_item(item, character_id, inv_type)
+    
+    %InventoryItem{}
+    |> InventoryItem.changeset(attrs)
+    |> Repo.insert()
+  end
+
+  @doc """
+  Updates an existing inventory item.
+  """
+  def update_inventory_item(item_id, updates) do
+    case Repo.get(InventoryItem, item_id) do
+      nil -> {:error, :not_found}
+      db_item ->
+        db_item
+        |> InventoryItem.changeset(updates)
+        |> Repo.update()
+    end
+  end
+
+  @doc """
+  Deletes an inventory item.
+  """
+  def delete_inventory_item(item_id) do
+    Repo.delete_all(from(i in InventoryItem, where: i.inventoryitemid == ^item_id))
+  end
+
+  @doc """
+  Saves all inventory items for a character.
+  Used during character save.
+  """
+  def save_character_inventory(character_id, inventories) do
+    Enum.each(inventories, fn {inv_type, inventory} ->
+      Enum.each(inventory.items, fn {_pos, item} ->
+        attrs = InventoryItem.from_game_item(item, character_id, inv_type)
+        
+        if item.id do
+          # Update existing
+          update_inventory_item(item.id, attrs)
+        else
+          # Insert new
+          create_inventory_item(character_id, inv_type, item)
+        end
+      end)
+    end)
+    
+    :ok
+  end
+
+  @doc """
+  Gets the count of items for a character.
+  """
+  def count_inventory_items(character_id) do
+    InventoryItem
+    |> where([i], i.characterid == ^character_id)
+    |> Repo.aggregate(:count, :inventoryitemid)
+  end
 end