Sigrid Benezra - Edges - MediaRanker#30
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…o db. Change works index page to list all works as list.
… Add link to edit page from works show page.
…_form.html.erb for better display. Make title on works index page a link to the work show page.
… to work show page.
…op vote getter and list works by category and vote total.
…ntroller method to flash message for missing user id.
Media RankerWhat We're Looking For
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| else | ||
| user = User.create(name: name) | ||
| redirect_to root_path | ||
| flash[:success] = "#{user.name} is successfully logged in" |
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When you create a new user you're not saving their ID in the session. That means that a new user has to enter their name twice to log in: once to create the record, and once to set their user ID in the session.
| def update | ||
| @user = User.find(params[:id]) | ||
| if @user.update(user_params) | ||
| redirect_to user_path(@user) |
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You've implemented all 7 RESTful controller actions for User, but I think you only need index and show for this site.
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| def new | ||
| user = @logged_in_user | ||
| work = Work.find_by(id: params[:work_id]) |
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Again, you've implemented the index and new actions for the VotesController, but they're not used by your site, and you don't have view templates for them.
| belongs_to :user | ||
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| validates :user_id, presence: true, uniqueness: { scope: :work_id, | ||
| message: "can only vote for a work once" } |
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Good work getting this tricky uniqueness scope figured out!
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| def self.top_vote_getter_votes | ||
| return Work.top_vote_getter.votes.size | ||
| end |
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I love the way the methods in this file build on each other, each providing a small bit of functionality. This is an excellent example of functional decomposition.
| <h2><span><strong>Media Spotlight: </strong></span><span class="list-titles"><%= link_to Work.top_vote_getter.title, work_path(Work.top_vote_getter.id) %></span><span class="list-titles"> by <%= Work.top_vote_getter.creator %> </span></h2> | ||
| <p> | ||
| <%= Work.top_vote_getter_votes %> votes - <%= Work.top_vote_getter.description %> | ||
| </p> |
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Rather than having the views call model methods directly, these method should be invoked in the controller and stored in instance variables. See MediaRanker Revisited for an example of this.
| Top Albums | ||
| </h2> | ||
| <ul class="list-group"> | ||
| <% Work.top_works_by_category('album', 10).each do |work| %> |
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You have the same code to show a list of works repeated 3 times. Could you use a view partial or a loop to DRY this up?
| <% end %> | ||
| </section> | ||
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| <body> |
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All HTML that renders on the page (including the <header> and flash <section>) should be inside the <body> tags.
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| # describe Vote do | ||
| # let(:vote) { Vote.new } | ||
| # |
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You should be testing the uniqueness constraint here! Specific test cases I'd want to see:
- A user can have votes for two different works
- A work can have votes from two different users
- A user cannot vote for the same work twice
| describe 'list_works_by_category' do | ||
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| it 'correctly filters the list for a category' do | ||
| book_list = Work.list_works_by_category('book') |
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There's a lot of interesting test cases for your custom Work methods missing here. For finding the media spotlight, I would wonder:
- What happens if there are no works?
- What happens if there are works but no votes?
- What happens if two works have the same number of votes?
Similarly for your category and top ten methods, I would ask:
- What if there are no works of that category?
- What if there are less than 10 works?
- What if there's a tie for last place, e.g. works 9, 10 and 11 all have 0 votes?
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Media Ranker
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Comprehension Questions
sessionandflash? What is the difference between them?