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formex
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Form library for Phoenix with Ecto support
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lib/formex/controller.ex
defmodule Formex.Controller do
defmacro __using__(_) do
quote do
import Formex.Builder
import Formex.Repo
end
end
# use Formex.Builder
# use Formex.Repo
@moduledoc """
Module that imports `Formex.Builder` and `Formex.Repo`.
Usage:
`web/web.ex`
```
def controller do
quote do
use Formex.Controller
end
end
```
Usage inside a controller:
```
def new(conn, _params) do
form = create_form(App.ArticleType, %Article{})
render(conn, "new.html", form: form)
end
```
```
def create(conn, %{"article" => article_params}) do
App.ArticleType
|> create_form(%Article{}, article_params)
|> insert_form_data
|> case do
{:ok, _article} ->
# ...
{:error, form} ->
# ...
end
end
```
```
def edit(conn, %{"id" => id}) do
article = Repo.get!(Article, id)
form = create_form(App.ArticleType, article)
render(conn, "edit.html", article: article, form: form)
end
```
```
def update(conn, %{"id" => id, "article" => article_params}) do
article = Repo.get!(Article, id)
App.ArticleType
|> create_form(article, article_params)
|> update_form_data
|> case do
{:ok, article} ->
# ...
{:error, form} ->
# ...
end
end
```
"""
end