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Update more sheets

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Rico Sta. Cruz 2017-08-30 00:46:15 +08:00
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96
phoenix-conn.md
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@ -1,42 +1,55 @@
--- ---
title: "Phoenix: Plug.Conn" title: "Phoenix: Plug.Conn"
category: Elixir category: Elixir
layout: 2017/sheet
updated: 201708.29
weight: -5
--- ---
Request Request
------- -------
### Request
{: .-prime}
```elixir
conn.host #=> "example.com"
conn.method #=> "GET"
conn.path_info #=> ["posts", "1"]
conn.request_path #=> "/posts/1"
conn.query_string #=> "utm_source=twitter"
conn.port #=> 80
conn.scheme #=> :http
conn.peer #=> { {127, 0, 0, 1}, 12345 }
conn.remote_ip #=> { 151, 236, 219, 228 }
conn.req_headers #=> [{"content-type", "text/plain"}]
```
```elixir ```elixir
conn.host #=> "example.com"
conn.method #=> "GET"
conn.path_info #=> ["posts", "1"]
conn.request_path #=> "/posts/1"
conn.query_string #=> "utm_source=twitter"
conn.port #=> 80
conn.scheme #=> :http
conn.peer #=> { {127, 0, 0, 1}, 12345 }
conn.remote_ip #=> { 151, 236, 219, 228 }
conn.req_headers #=> [{"content-type", "text/plain"}]
conn |> get_req_header("referrer") conn |> get_req_header("referrer")
``` ```
### Updating ### Updating conn
Usually only useful for tests.
```elixir ```elixir
conn conn
|> put_req_header("accept", "application/json") |> put_req_header("accept", "application/json")
``` ```
Usually only useful for tests.
Response Response
-------- --------
### Response
{: .-prime}
```elixir ```elixir
conn.resp_body #=> "..." conn.resp_body #=> "..."
conn.resp_charset #=> "utf-8" conn.resp_charset #=> "utf-8"
conn.resp_cookies #=> ... conn.resp_cookies #=> ...
conn.resp_headers #=> ... conn.resp_headers #=> ...
conn.status #=> ... conn.status #=> ...
``` ```
### Sending responses ### Sending responses
@ -47,19 +60,27 @@ conn
|> html("<html><head>...") |> html("<html><head>...")
|> json(%{ message: "Hello" }) |> json(%{ message: "Hello" })
|> text("Hello") |> text("Hello")
```
```elixir
|> redirect(to: "/foo") |> redirect(to: "/foo")
|> redirect(external: "http://www.google.com/") |> redirect(external: "http://www.google.com/")
|> halt() |> halt()
```
```elixir
|> put_resp_content_type("text/plain") |> put_resp_content_type("text/plain")
|> put_resp_cookie("abc", "def") |> put_resp_cookie("abc", "def")
|> put_resp_header("X-Delivered-By", "myapp") |> put_resp_header("X-Delivered-By", "myapp")
|> put_status(202) |> put_status(202)
|> put_status(:not_found) |> put_status(:not_found)
```
```elixir
|> put_private(:plug_foo, "...") # reserved for libraries |> put_private(:plug_foo, "...") # reserved for libraries
```
```elixir
|> send_resp(201, "") |> send_resp(201, "")
``` ```
@ -71,14 +92,18 @@ conn
|> render("index.html") |> render("index.html")
|> render("index.html", hello: "world") |> render("index.html", hello: "world")
|> render(MyApp.ErrorView, "404.html") |> render(MyApp.ErrorView, "404.html")
```
```elixir
|> put_layout(:foo) |> put_layout(:foo)
|> put_layout(false) |> put_layout(false)
|> put_view(ErrorView) |> put_view(ErrorView)
|> put_secure_browser_headers() |> put_secure_browser_headers()
# prevent clickjacking, nosniff, and xss protection # prevent clickjacking, nosniff, and xss protection
# x-frame-options, x-content-type-options, x-xss-protection # x-frame-options, x-content-type-options, x-xss-protection
```
```elixir
|> put_new_view(ErrorView) # if not set yet |> put_new_view(ErrorView) # if not set yet
|> put_new_layout(:foo) |> put_new_layout(:foo)
``` ```
@ -87,8 +112,21 @@ conn
layout(conn) layout(conn)
``` ```
Accepts Other features
------- --------------
### Other fields
{: .-prime}
```elixir
conn.assigns # storage of crap
conn.owner # process
conn.halted # if pipeline was halted
conn.secret_key_base # ...
conn.state # :unset, :set, :file, :sent, :chunked
```
### Accepts
```js ```js
plug :accepts, ["html", "json"] plug :accepts, ["html", "json"]
@ -97,17 +135,7 @@ get_format(conn) #=> "html"
conn.accepts conn.accepts
``` ```
## Misc ### Assigns
```elixir
conn.assigns # storage of crap
conn.owner # process
conn.halted # if pipeline was halted
conn.secret_key_base # ...
conn.state # :unset, :set, :file, :sent, :chunked
```
## Assigns
```elixir ```elixir
conn.assigns[:hello] conn.assigns[:hello]
@ -119,7 +147,7 @@ conn = async_assign(conn, :location, fn -> geoip_lookup() end)
await_assign(conn, :location) await_assign(conn, :location)
``` ```
## Session ### Session
```elixir ```elixir
conn = fetch_session(conn) # or plug :fetch_session conn = fetch_session(conn) # or plug :fetch_session
@ -129,13 +157,11 @@ get_session(conn, :message)
conn = clear_session(conn) conn = clear_session(conn)
``` ```
Also: `flash` `cookie` `params`
```elixir ```elixir
conn conn
|> put_flash(:info, "Success") |> put_flash(:info, "Success")
|> put_flash(:error, "Oh no") |> put_flash(:error, "Oh no")
``` ```
```elixir Also available: `flash` `cookie` `params`
```

1
phoenix-ecto@1.3.md
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@ -2,4 +2,5 @@
title: "Phoenix: Ecto models" title: "Phoenix: Ecto models"
category: Elixir category: Elixir
redirect_to: /phoenix-ecto redirect_to: /phoenix-ecto
deprecated: true
--- ---