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[DOCUMENTATION] Update documentation regarding route accept formats

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Hugo Sales 2021-08-18 21:40:08 +01:00
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docs/developer/src/routes_and_controllers.md
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@ -11,22 +11,20 @@ You create routes by handling the `AddRoute` event.
public function onAddRoute(RouteLoader $r) public function onAddRoute(RouteLoader $r)
{ {
$r->connect('avatar', '/{gsactor_id<\d+>}/avatar/{size<full|big|medium|small>?full}', $r->connect('avatar', '/{gsactor_id<\d+>}/avatar/{size<full|big|medium|small>?full}',
[Controller\Avatar::class, 'avatar_view']); [Controller\Avatar::class, 'avatar_view']);
$r->connect('settings_avatar', '/settings/avatar', $r->connect('settings_avatar', '/settings/avatar',
[Controller\Avatar::class, 'settings_avatar']); [Controller\Avatar::class, 'settings_avatar']);
return Event::next; return Event::next;
} }
``` ```
The magic goes on `$r->connect((string $id, string $uri_path, array|string $target, array $param_reqs = [], array $accept_headers = [], array $options = []))`. The magic goes on `$r->connect(string $id, string $uri_path, $target, ?array $options = [], ?array $param_reqs = [])`.
Here how it works: Here how it works:
* `id`: an identifier for your route so that you can easily refer to it later; * `id`: a unique identifier for your route so that you can easily refer to it later, for instance when generating URLs;
* `uri_path`: the url to be matched, can be static or have parameters; * `uri_path`: the url to be matched, can be static or have parameters. The variable parts are wrapped in `{...}` and they must have a unique name;
The variable parts are wrapped in `{...}` and they must have a unique name;
* `target`: Can be an array _[Class, Method to invoke]_ or a string with _Class_ to __invoke; * `target`: Can be an array _[Class, Method to invoke]_ or a string with _Class_ to __invoke;
* `param_reqs`: You can either do `['parameter_name' => 'regex']` or write the requirement inline `{parameter_name<regex>}`; * `param_reqs`: You can either do `['parameter_name' => 'regex']` or write the requirement inline `{parameter_name<regex>}`;
* `accept_headers`: If `[]` then the route will accept any [HTTP Accept](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Accept). * `options['accept']`: The Accept header values this route will match with;
If the route should only be used for certain Accept headers, then specify an array of the form: `['content type' => q-factor weighting]`;
* `options['format']`: Response content-type; * `options['format']`: Response content-type;
* `options['conditions']`: https://symfony.com/doc/current/routing.html#matching-expressions ; * `options['conditions']`: https://symfony.com/doc/current/routing.html#matching-expressions ;
* `options['template']`: Render a twig template directly from the route. * `options['template']`: Render a twig template directly from the route.
@ -36,19 +34,20 @@ Here how it works:
* The special parameter `_format` can be used to set the "request format" of the Request object. This is used for such things as setting the Content-Type of the response (e.g. a json format translates into a Content-Type of application/json). * The special parameter `_format` can be used to set the "request format" of the Request object. This is used for such things as setting the Content-Type of the response (e.g. a json format translates into a Content-Type of application/json).
This does _not_ override the `options['format']` nor the `HTTP Accept header` information. This does _not_ override the `options['format']` nor the `HTTP Accept header` information.
```php ```php
$r->connect(id: 'article_show', uri_path: '/articles/search.{_format}', $r->connect(id: 'article_show', uri_path: '/articles/search.{format}',
target: [ArticleController::class, 'search'], target: [ArticleController::class, 'search'],
param_reqs: ['_format' => 'html|xml'] param_reqs: ['format' => 'html|xml']
); );
``` ```
* An example of a suitable accept headers array would be: * An example of a suitable accept headers array would be:
```php ```php
$acceptHeaders = [ $r->connect('json_test', '/json_only', [C\JSON::class, 'test'], options: [
'application/ld+json; profile="https://www.w3.org/ns/activitystreams"' => 0, 'accept' => [
'application/activity+json' => 1, 'application/ld+json; profile="https://www.w3.org/ns/activitystreams"',
'application/json' => 2, 'application/activity+json',
'application/ld+json' => 3 'application/json',
]; 'application/ld+json'
]]);
``` ```
## Controllers ## Controllers