I'm working on a videogame database, where users can signup, make game
entries, rate and review them.
I have the Models: User, Game, Rating and Review. Each user can give his
own rating to any game, so I have to pass the game.id to the
ratings.game_id in order to associate ratings to certain games.
And I would like to think that it should work the same way about posting
reviews, but every time I the game.id shall be passed, get a Runtime
Error
"Called id for nil, which would mistakenly be 4 -- if you really wanted
the id of nil, use object_id"
This is what my associations in my models look like
user.rb
has_many :reviews, dependent: :destroy
has_many :reviewed_games, :through => :reviews, :source => :games
game.rb
has_many :reviews
has_many :authors, :through => :reviews, :source => :users
review.rb
belongs_to :user
belongs_to :game
This is my review controller
def create
@game = Game.find_by_id(params[:game_id])
@review = current_user.reviews.build(params[:review])
@review.game_id = @game.id
@review.user_id = current_user.id
if @review.save
flash[:success] = "review created!"
redirect_to @review
else
render 'new'
end
end
And my Form
<%= form_for(@review) do |f| %>
<div class="field">
<%= f.text_area :content, placeholder: "Compose new review..." %>
</div>
<%= hidden_field_tag("game_id", @game.id) %>
<%= f.submit "Post", class: "btn btn-large btn-primary" %>
<% end %>
The Runtime Error occurs, once I try to open the reviews/new url. When I
dismiss the hidden_field_tag, I receive the review form, but now posting
causes the exact same error (because of the game.id in the create
method).
I really can't explain why this is happening, because the very same way
my whole rating feature is programmed and it works just fine.
Can you Guys help me out?
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