f7f1e1a284
mix phx.gen.live Articles Article articles title:string\ /Crucial/git/phoenix-liveview-book content:text url:string language:string\ date:utc_datetime author_id:references:authors
105 lines
1.8 KiB
Elixir
105 lines
1.8 KiB
Elixir
defmodule Outlook.Articles do
|
|
@moduledoc """
|
|
The Articles context.
|
|
"""
|
|
|
|
import Ecto.Query, warn: false
|
|
alias Outlook.Repo
|
|
|
|
alias Outlook.Articles.Article
|
|
|
|
@doc """
|
|
Returns the list of articles.
|
|
|
|
## Examples
|
|
|
|
iex> list_articles()
|
|
[%Article{}, ...]
|
|
|
|
"""
|
|
def list_articles do
|
|
Repo.all(Article)
|
|
end
|
|
|
|
@doc """
|
|
Gets a single article.
|
|
|
|
Raises `Ecto.NoResultsError` if the Article does not exist.
|
|
|
|
## Examples
|
|
|
|
iex> get_article!(123)
|
|
%Article{}
|
|
|
|
iex> get_article!(456)
|
|
** (Ecto.NoResultsError)
|
|
|
|
"""
|
|
def get_article!(id), do: Repo.get!(Article, id)
|
|
|
|
@doc """
|
|
Creates a article.
|
|
|
|
## Examples
|
|
|
|
iex> create_article(%{field: value})
|
|
{:ok, %Article{}}
|
|
|
|
iex> create_article(%{field: bad_value})
|
|
{:error, %Ecto.Changeset{}}
|
|
|
|
"""
|
|
def create_article(attrs \\ %{}) do
|
|
%Article{}
|
|
|> Article.changeset(attrs)
|
|
|> Repo.insert()
|
|
end
|
|
|
|
@doc """
|
|
Updates a article.
|
|
|
|
## Examples
|
|
|
|
iex> update_article(article, %{field: new_value})
|
|
{:ok, %Article{}}
|
|
|
|
iex> update_article(article, %{field: bad_value})
|
|
{:error, %Ecto.Changeset{}}
|
|
|
|
"""
|
|
def update_article(%Article{} = article, attrs) do
|
|
article
|
|
|> Article.changeset(attrs)
|
|
|> Repo.update()
|
|
end
|
|
|
|
@doc """
|
|
Deletes a article.
|
|
|
|
## Examples
|
|
|
|
iex> delete_article(article)
|
|
{:ok, %Article{}}
|
|
|
|
iex> delete_article(article)
|
|
{:error, %Ecto.Changeset{}}
|
|
|
|
"""
|
|
def delete_article(%Article{} = article) do
|
|
Repo.delete(article)
|
|
end
|
|
|
|
@doc """
|
|
Returns an `%Ecto.Changeset{}` for tracking article changes.
|
|
|
|
## Examples
|
|
|
|
iex> change_article(article)
|
|
%Ecto.Changeset{data: %Article{}}
|
|
|
|
"""
|
|
def change_article(%Article{} = article, attrs \\ %{}) do
|
|
Article.changeset(article, attrs)
|
|
end
|
|
end
|