137 lines
2.2 KiB
Elixir
137 lines
2.2 KiB
Elixir
defmodule Wish.Wishlist do
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@moduledoc """
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The Wishlist context.
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"""
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import Ecto.Query, warn: false
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alias Wish.Repo
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alias Wish.Wishlist.Item
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@doc """
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Returns the list of items.
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## Examples
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iex> list_items()
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[%Item{}, ...]
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"""
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def list_items do
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Repo.all(Item)
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end
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def list_visible_items do
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Repo.all(from i in Item, where: i.visible)
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end
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@doc """
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Returns the list of unreceived items.
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## Examples
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iex> list_available_items()
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[%Item{}, ...]
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"""
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def list_available_items do
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Repo.all(from i in Item, where: not i.received and i.visible)
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end
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@doc """
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Gets a single item.
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Raises `Ecto.NoResultsError` if the Item does not exist.
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## Examples
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iex> get_item!(123)
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%Item{}
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iex> get_item!(456)
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** (Ecto.NoResultsError)
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"""
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def get_item!(id), do: Repo.get!(Item, id)
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@doc """
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Creates a item.
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## Examples
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iex> create_item(%{field: value})
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{:ok, %Item{}}
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iex> create_item(%{field: bad_value})
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{:error, %Ecto.Changeset{}}
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"""
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def create_item(attrs \\ %{}) do
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%Item{}
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|> Item.changeset(attrs)
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|> Repo.insert()
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end
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@doc """
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Updates a item.
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## Examples
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iex> update_item(item, %{field: new_value})
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{:ok, %Item{}}
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iex> update_item(item, %{field: bad_value})
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{:error, %Ecto.Changeset{}}
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"""
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def update_item(%Item{} = item, attrs) do
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item
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|> Item.changeset(attrs)
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|> Repo.update()
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end
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@doc """
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Deletes a item.
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## Examples
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iex> delete_item(item)
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{:ok, %Item{}}
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iex> delete_item(item)
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{:error, %Ecto.Changeset{}}
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"""
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def delete_item(%Item{} = item) do
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Repo.delete(item)
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end
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@doc """
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Returns an `%Ecto.Changeset{}` for tracking item changes.
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## Examples
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iex> change_item(item)
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%Ecto.Changeset{data: %Item{}}
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"""
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def change_item(%Item{} = item, attrs \\ %{}) do
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Item.changeset(item, attrs)
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end
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@doc """
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Toggles the "received" state of an item.
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## Examples
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iex> toggle_received(item)
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{:ok, %Item{}}
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"""
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def toggle_received(%Item{} = item) do
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Item.toggle_received_changeset(item)
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|> Repo.update()
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end
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end
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