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fix: update stocks function
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MarioRodrigues10 committed Dec 2, 2023
1 parent 65316c2 commit 75671e2
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Showing 2 changed files with 23 additions and 28 deletions.
49 changes: 22 additions & 27 deletions lib/store/inventory.ex
Original file line number Diff line number Diff line change
Expand Up @@ -377,40 +377,35 @@ defmodule Store.Inventory do
end
end

def update_stock_sizes(product, size, quantity) do
new_sizes =
case size do
"XS" -> Map.put(product.sizes, :xs_size, product.sizes.xs_size - quantity)
"S" -> Map.put(product.sizes, :s_size, product.sizes.s_size - quantity)
"M" -> Map.put(product.sizes, :m_size, product.sizes.m_size - quantity)
"L" -> Map.put(product.sizes, :l_size, product.sizes.l_size - quantity)
"XL" -> Map.put(product.sizes, :xl_size, product.sizes.xl_size - quantity)
"XXL" -> Map.put(product.sizes, :xxl_size, product.sizes.xxl_size - quantity)
end
def update_stock_sizes(product, "XS", quantity), do: update_stock(product, :xs_size, quantity)
def update_stock_sizes(product, "S", quantity), do: update_stock(product, :s_size, quantity)
def update_stock_sizes(product, "M", quantity), do: update_stock(product, :m_size, quantity)
def update_stock_sizes(product, "L", quantity), do: update_stock(product, :l_size, quantity)
def update_stock_sizes(product, "XL", quantity), do: update_stock(product, :xl_size, quantity)
def update_stock_sizes(product, "XXL", quantity), do: update_stock(product, :xxl_size, quantity)

def update_stock(product, size_key, quantity) do
updated_sizes =
product.sizes
|> Map.update(size_key, 0, &(&1 - quantity))

values = Map.values(new_sizes) |> Enum.filter(&is_integer/1)
product_stock = Enum.sum(Map.values(updated_sizes))

if Enum.any?(values, &(&1 < 0)) or product.stock - quantity < 0 do
if product_stock < 0 do
{:error, "Not enough stock."}
else
product
|> Product.changeset(%{
stock: product.stock - quantity,
sizes: %{
xs_size: new_sizes.xs_size,
s_size: new_sizes.s_size,
m_size: new_sizes.m_size,
l_size: new_sizes.l_size,
xl_size: new_sizes.xl_size,
xxl_size: new_sizes.xxl_size
}
})
|> Repo.update!()

{:ok, "Product added to cart"}
update_product_stock_sizes(product, updated_sizes, product_stock)
end
end

def update_product_stock_sizes(product, updated_sizes, product_stock) do
product
|> Product.changeset(%{stock: product_stock, sizes: updated_sizes})
|> Repo.update!()

{:ok, "Product added to cart"}
end

@doc """
Expand Down
2 changes: 1 addition & 1 deletion lib/store_web/live/product_live/edit.ex
Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,6 @@ defmodule StoreWeb.ProductLive.Edit do
|> assign(:current_page, :products)
|> assign(:page_title, "Edit Product")
|> assign(:product, Inventory.get_product!(id, []))
|> assign(:current_user, socket.assigns.current_user)}
|> assign(:current_user, socket.assigns[:current_user] || nil)}
end
end

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