CODEWITHSUNDEEP
ruby-on-railsruby-on-rails-4
maclover7
maclover7

Reputation: 137

Trying to pass parameters

I'm trying to pass URL params into my Rails app (Ex: /entries/new?name=asdf

Controller:

def new @entry = Entry.new(params[:name]) end def create @entry = Entry.new(params[:name]) if @entry.save redirect_to @entry, notice: 'Entry was successfully created.' else render :new end end

private
# Use callbacks to share common setup or constraints between actions.
def set_entry
  @entry = Entry.find(params[:id])
end
# Never trust parameters from the scary internet, only allow the white list through.
def entry_params
  params.require(:entry).permit(:name)
end end

Form field :

<%= hidden_field_tag :name, params[:name] %>

I'm getting the error "When assigning attributes, you must pass a hash as an argument."

Any ideas?

Upvotes: 0

Views: 79

Answers (2)

Bart Jedrocha
Bart Jedrocha

Reputation: 11580

params is a Hash. params[:name] will return a string ('asdf' in your example above). When instantiating Entry you're only passing the string when you should be passing a hash. Assuming that name is an attribute on your Entry model, you'll need to do this

@entry = Entry.new(name: params[:name])

Upvotes: 1

ppascualv
ppascualv

Reputation: 1137

Use rails generate scaffold Entry and take a look to the generated code. What you're trying to do don't have much sense

Upvotes: 0

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