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Rails Routes and Resources

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Introduction

2:03 with Jay McGavren

It's time to take the training wheels off! In our Rails Basics course, we created a simple blog app. And we saw how to set up the model, view, and controller for our Post resource automatically, using a scaffold. But we also learned that scaffolds don't offer you much control over how your finished resource looks. So in this course, we're going to create a resource completely from scratch. We're also going to introduce a concept we haven't looked at thus far: Rails "routes". Routes are how Rails sends a particular request to the particular controller that can handle it.

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    [MUSIC] 0:00
    It's time to take the training wheels off. 0:04
    In our Rails Basics course, we created a simple blog app. 0:06
    And we saw how to set up the model, view, and controller for 0:10
    our posts resource automatically using a scaffold. 0:13
    But we also learned that scaffolds don't offer you much control over how your 0:16
    finished resource looks. 0:19
    So in this course, we're going to create a resource completely from scratch. 0:21
    We're also going to introduce a concept we haven't looked at thus far, Rails routes. 0:25
    Routes are how Rails sends a particular request to the particular controller that 0:30
    can handle it. 0:34
    Here's what we're going to make in this course. 0:35
    You've probably seen blogs that have pages in addition to posts. 0:37
    These are usually permanent features like an About Me page or 0:42
    a resume that are linked from the site's main menu. 0:45
    The links are usually human readable too. 0:48
    Instead of putting a page ID in the URL, an easily readable slug string is used. 0:51
    This sounds useful for our blog. 0:56
    So let's set up a Pages resource of our own. 0:58
    We're just going to set the resource up for right now. 1:00
    We'll create links that use the page slugs in a later course. 1:03
    In the first stage, we'll read all page records in the database and 1:06
    display their titles in a list. 1:10
    Since we won't yet have a form for adding pages, 1:12
    we'll have to add some via the Rails console. 1:14
    This first stage will be the most involved since we'll need to set up a route, 1:17
    a controller, a view and a model for our pages. 1:20
    In later stages, we'll just add features onto the base we've created. 1:24
    We'll add the ability to read a single page record and display that by itself. 1:27
    Then we'll set up a form that allows users to create new page records and 1:32
    another form for updating existing pages. 1:36
    Last, we'll let users delete pages they don't want anymore. 1:38
    If you haven't completed Rails Basics yet, check the course page for a link there. 1:42
    You'll need the Rails Basics blog app as a starter. 1:46
    And remember to check the teacher's notes as you work through this course. 1:49
    We'll have links to useful resources where you can learn more about each topic. 1:53
    If you get stuck, be sure to post a question in the Treehouse community. 1:57
    Bling, let's get started. 2:01

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