104 lines
1.8 KiB
Elixir
104 lines
1.8 KiB
Elixir
defmodule Scopes.Core do
|
|
@moduledoc """
|
|
The Core context.
|
|
"""
|
|
|
|
import Ecto.Query, warn: false
|
|
alias Scopes.Repo
|
|
|
|
alias Scopes.Core.Message
|
|
|
|
@doc """
|
|
Returns the list of messages.
|
|
|
|
## Examples
|
|
|
|
iex> list_messages()
|
|
[%Message{}, ...]
|
|
|
|
"""
|
|
def list_messages do
|
|
Repo.all(Message)
|
|
end
|
|
|
|
@doc """
|
|
Gets a single message.
|
|
|
|
Raises `Ecto.NoResultsError` if the Message does not exist.
|
|
|
|
## Examples
|
|
|
|
iex> get_message!(123)
|
|
%Message{}
|
|
|
|
iex> get_message!(456)
|
|
** (Ecto.NoResultsError)
|
|
|
|
"""
|
|
def get_message!(id), do: Repo.get!(Message, id)
|
|
|
|
@doc """
|
|
Creates a message.
|
|
|
|
## Examples
|
|
|
|
iex> create_message(%{field: value})
|
|
{:ok, %Message{}}
|
|
|
|
iex> create_message(%{field: bad_value})
|
|
{:error, %Ecto.Changeset{}}
|
|
|
|
"""
|
|
def create_message(attrs \\ %{}) do
|
|
%Message{}
|
|
|> Message.changeset(attrs)
|
|
|> Repo.insert()
|
|
end
|
|
|
|
@doc """
|
|
Updates a message.
|
|
|
|
## Examples
|
|
|
|
iex> update_message(message, %{field: new_value})
|
|
{:ok, %Message{}}
|
|
|
|
iex> update_message(message, %{field: bad_value})
|
|
{:error, %Ecto.Changeset{}}
|
|
|
|
"""
|
|
def update_message(%Message{} = message, attrs) do
|
|
message
|
|
|> Message.changeset(attrs)
|
|
|> Repo.update()
|
|
end
|
|
|
|
@doc """
|
|
Deletes a message.
|
|
|
|
## Examples
|
|
|
|
iex> delete_message(message)
|
|
{:ok, %Message{}}
|
|
|
|
iex> delete_message(message)
|
|
{:error, %Ecto.Changeset{}}
|
|
|
|
"""
|
|
def delete_message(%Message{} = message) do
|
|
Repo.delete(message)
|
|
end
|
|
|
|
@doc """
|
|
Returns an `%Ecto.Changeset{}` for tracking message changes.
|
|
|
|
## Examples
|
|
|
|
iex> change_message(message)
|
|
%Ecto.Changeset{data: %Message{}}
|
|
|
|
"""
|
|
def change_message(%Message{} = message, attrs \\ %{}) do
|
|
Message.changeset(message, attrs)
|
|
end
|
|
end
|