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phoenix: update

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Rico Sta. Cruz 2017-09-04 11:08:40 +08:00
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phoenix-migrations.md
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@ -11,7 +11,7 @@ updated: 2017-09-04
```bash ```bash
$ mix ecto.gen.migration update_posts_table $ mix ecto.gen.migration update_posts_table
creating priv/repo/migrations/20160602085927_update_posts_table.exs creating priv/repo/migrations/20160602085927_update_posts_table.exs
... ···
``` ```
```bash ```bash
@ -27,7 +27,7 @@ Creates a migration (no models).
$ mix phoenix.gen.model Message messages user_id:integer content:text $ mix phoenix.gen.model Message messages user_id:integer content:text
``` ```
Creates models and tests. This is only for Phoenix 1.2 or older; models aren't available in Phoenix 1.3+.
## Migration functions ## Migration functions

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phoenix.md
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@ -1,9 +1,12 @@
--- ---
title: Phoenix title: Phoenix
category: Elixir category: Elixir
layout: 2017/sheet
weight: -1
updated: 2017-09-04
--- ---
### Directory ### Directory structure
``` ```
config/ config/
@ -11,11 +14,93 @@ web/
controllers/ controllers/
models/ models/
views/ views/
templates/ templates/
static/ static/
``` ```
This is Phoenix 1.2's structure. Phoenix 1.3 has no `models`.
### Migrations
See [Ecto migrations cheatsheet](./phoenix-migrations).
{: .-setup}
```bash
$ mix ecto.gen.migration update_posts_table
creating priv/repo/migrations/20160602085927_update_posts_table.exs
...
```
```elixir
create table(:documents) do
add :title, :string
add :title, :string, default: "Hello"
add :body, :text
add :age, :integer
add :price, :float, precision: 10, scale: 2
timestamps
end
```
### Routing
See [Phoenix routing cheatsheet](./phoenix-routing).
{: .-setup}
```elixir
get "/", PageController, :index
resources "/users", UserController do
resources "/posts", PostController
end
```
```elixir
user_post_path(:index, 17) #=> /users/17/posts
user_post_path(:show, 17, 12) #=> /users/17/posts/12
```
### Conn
See [Phoenix conn cheatsheet](./phoenix-conn).
{: .-setup}
```elixir
conn.host #=> "example.com"
conn.method #=> "GET"
conn.path_info #=> ["posts", "1"]
conn.request_path #=> "/posts/1"
```
```elixir
conn
|> put_status(202)
|> html("<html><head>...")
|> json(%{ message: "Hello" })
|> text("Hello")
|> redirect(to: "/foo")
|> render("index.html")
|> render("index.html", hello: "world")
|> render(MyApp.ErrorView, "404.html")
```
### Ecto
See [Ecto cheatsheet](./phoenix-ecto).
{: .-setup}
```bash
$ mix phx.gen.html \
Accounts \ # domain
Profile \ # schema
profiles \ # table name
email:string \
age:integer
```
### Also see
- [Plug.Conn](./phoenix-conn.html) - [Plug.Conn](./phoenix-conn.html)
- [Ecto migrations](./phoenix-migrations.html) - [Ecto migrations](./phoenix-migrations.html)
- [Router](./phoenix-routing.html) - [Router](./phoenix-routing.html)