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Build a REST API with PHP

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Route Groups

4:46 with Alena Holligan

Since I want all my endpoints to be within the /api/v1/courses route, I can make a route group. Within that group, I can add my routes without having to include the /api/v1/courses every time.

To help organize routes into logical groups, the \Slim\App also provides a group() method. Each group’s route pattern is prepended to the routes or groups contained within it, and any placeholder arguments in the group pattern are ultimately made available to the nested routes.

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    Since I want all my API end points to be within the API v1 courses route, 0:00
    I can make a route group, app->group. 0:09
    And we say ('/api/v1/courses', 0:14
    function() use ($app)). 0:22
    And we'll put our other route within this group. 0:32
    We have the courses route, but I don't want to append anything to my route, 0:39
    I just want to use the APIv1 courses. 0:44
    So instead of courses here, I'm just going to use an empty string. 0:47
    If I put a slash here, 0:51
    it would only work with the slash appended to the end of courses. 0:53
    If I want it to work with or 0:58
    without a trailing slash, I could add some middle ware. 1:00
    Check the notes for more information. 1:04
    Let's check this in a browser again. 1:06
    Api/v1/courses. 1:12
    Great, my courses are showing. 1:17
    Let's add the rest of the get route. 1:21
    I'll duplicate this route to build my next get route. 1:25
    We're going to add the course_id. 1:32
    This is going to get a single course. 1:36
    So we get a single course and pass the ($args['course_id']). 1:39
    We also want to be able to get our reviews. 1:47
    These reviews will all reference a single course, so 1:50
    we can create a second group within our first group. 1:55
    $app->group, and 2:02
    we'll add the course_id and reviews. 2:06
    We'll use the app, And then end our semicolon. 2:19
    Now we can copy our route to get a single course. 2:25
    We'll paste this within our reviews group, and we'll change it, 2:31
    To getReviews, ByCourseId. 2:39
    We don't need this course_id since the course_id is within our group. 2:48
    Instead of course, we need to change this to review. 2:53
    Now for our final get route, we can copy this route, 3:00
    And we'll use it to select our single review. 3:08
    So we'll add review_id. 3:12
    $this->review->getReview, and 3:17
    we'll pass the review_id. 3:21
    Let's take a look at these requests in the browser. 3:25
    We have our courses. 3:31
    We have our single course. 3:35
    And our reviews have not been defined. 3:42
    We have our review model, but let's add it to our dependencies. 3:46
    We'll need a new container for review. 3:56
    And we'll close our semicolon. 4:08
    We'll return our new App\Model\Review. 4:09
    And again, pass the get('db')). 4:16
    Now we can see our reviews, And a single review. 4:25
    A browser isn't really designed to test API calls, so for 4:32
    our other HTTP requests, we're going to jump into a program called Postman, 4:36
    which gives us easy access to the request and response. 4:42

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