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docs: add routing cheatsheet #5605

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83 changes: 83 additions & 0 deletions guides/cheatsheets/router.cheatmd
Original file line number Diff line number Diff line change
@@ -0,0 1,83 @@
# Routing cheatsheet

> Those need to be declared in the correct router module and scope.

A quick reference to the common routing features' syntax. For an exhaustive overview, refer to the [routing guides](routing.md).

## Routing declaration
{: .col-2}

### Single route

```elixir
get "/users", UserController, :index
patch "/users/:id", UserController, :update
```
```elixir
# generated path helpers
user_path(conn, :index) # /users
user_path(conn, :create, %{id: 9, ...}) # /users/9
```
Also accepts `put`, `patch`, `options`, `delete` and `head`.

### Resources

#### Simple

```elixir
resources "/users", UserController
```
Generates `:index`, `:edit`, `:new`, `:show`, `:create`, `:update` and `:delete`.

#### Options

```elixir
resources "/users", UserController, only: [:show]
resources "/users", UserController, except: [:create, :delete]
resources "/users", UserController, as: :person # `person_path(...)`
```

#### Nested

```elixir
resources "/users", UserController do
resources "/posts", PostController
end
```
```elixir
# generated path helpers
user_post_path(:index, 17) # /users/17/posts
user_post_path(:show, 17, 12) # /users/17/posts/12
```
For more info check the [resources docs.](routing-1.html#resources)

### Scopes

#### Simple
```elixir
scope "/admin", HelloWeb.Admin do
pipe_through :browser

resources "/users", UserController
end
```
```elixir
# generated path helpers
admin_user_path(:index) # /admin/users
```

#### Nested
```elixir
scope "/api", HelloWeb.Api, as: :api do
pipe_through :api

scope "/v1", V1, as: :v1 do
resources "/users", UserController
end
end
```
```elixir
# generated path helpers
api_v1_user_path(:index) # /api/v1/users
```
For more info check the [scoped routes](routing-1.html#scoped-routes) docs.
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2 changes: 2 additions & 0 deletions mix.exs
Original file line number Diff line number Diff line change
Expand Up @@ -171,6 171,7 @@ defmodule Phoenix.MixProject do
"guides/howto/file_uploads.md",
"guides/howto/using_ssl.md",
"guides/howto/writing_a_channels_client.md",
"guides/cheatsheets/routing.cheatmd",
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"CHANGELOG.md"
]
end
Expand All @@ -183,6 184,7 @@ defmodule Phoenix.MixProject do
"Real-time": ~r/guides\/real_time\/.?/,
Testing: ~r/guides\/testing\/.?/,
Deployment: ~r/guides\/deployment\/.?/,
Cheatsheets: ~r/guides\/cheatsheets\/.?/,
"How-to's": ~r/guides\/howto\/.?/
]
end
Expand Down