107 lines
1.7 KiB
Elixir
107 lines
1.7 KiB
Elixir
defmodule Wiki.Content do
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@moduledoc """
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The Content context.
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"""
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import Ecto.Query, warn: false
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alias Wiki.Repo
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alias Wiki.Content.Page
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@doc """
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Returns the list of pages.
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## Examples
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iex> list_pages()
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[%Page{}, ...]
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"""
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def list_pages do
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Repo.all(Page)
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end
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@doc """
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Gets a single page.
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Raises `Ecto.NoResultsError` if the Page does not exist.
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## Examples
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iex> get_page!(123)
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%Page{}
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iex> get_page!(456)
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** (Ecto.NoResultsError)
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"""
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def get_page!(id), do: Repo.get!(Page, id)
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def get_page(id), do: Repo.get(Page, id)
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@doc """
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Creates a page.
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## Examples
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iex> create_page(%{field: value})
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{:ok, %Page{}}
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iex> create_page(%{field: bad_value})
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{:error, %Ecto.Changeset{}}
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"""
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def create_page(attrs \\ %{}) do
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%Page{}
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|> Page.changeset(attrs)
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|> Repo.insert()
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end
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@doc """
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Updates a page.
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## Examples
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iex> update_page(page, %{field: new_value})
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{:ok, %Page{}}
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iex> update_page(page, %{field: bad_value})
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{:error, %Ecto.Changeset{}}
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"""
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def update_page(%Page{} = page, attrs) do
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page
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|> Page.changeset(attrs)
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|> Repo.update()
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end
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@doc """
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Deletes a page.
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## Examples
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iex> delete_page(page)
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{:ok, %Page{}}
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iex> delete_page(page)
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{:error, %Ecto.Changeset{}}
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"""
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def delete_page(%Page{} = page) do
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Repo.delete(page)
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end
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@doc """
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Returns an `%Ecto.Changeset{}` for tracking page changes.
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## Examples
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iex> change_page(page)
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%Ecto.Changeset{data: %Page{}}
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"""
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def change_page(%Page{} = page, attrs \\ %{}) do
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Page.changeset(page, attrs)
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end
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end
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