I am using Meta-search Gem to search from table by below controller action. I am Using The Rails version 3.2.9.
class FeedEntriesController < ApplicationController
def index
#search = FeedEntry.search(params[:is_star])
#feed_entries = #search.page(params[:page])
#app_keys = AppKey.all
end
end
feed_entries table contain is_star:boolean attribute. So, I just want to pass the hash parameter is_star == true into the params[:is_star] from view using form_for or link_to . I tried using the below way.
In Views/feed_entries/index.html.erb
<%= link_to "Stared", {:controller => "feed_entries", :action => "index", :is_star => true }%>
but the above way is now worked, So I decided to make use of form_for in the below way,
<%= form_for(#is_star) do |f|%>
<%= f.hidden_field :is_star_is_true %>
<%= f.submit "Search" %>
<% end %>
But, nothing is worked, please someone help me resolve this problem.
true and false when passed as a string is parsed as their truthy value when used in a boolean column. This is also true for 0, 1, '0' and '1'
>> m = Model.new
>> m.active = 'false'
>> m.active? # false
>> m.active = 'true'
>> m.active? # true
Knowing this, you can pass 'true' as the value of the hidden_field
<%= f.hidden_field :is_start, value: 'true' %>
You can pass in the value of the parent in the view where the form is being rendere ultimately with something like <%=params[:is_start] = 1 %> . I am not sure how the layout of the app is setup. Also make sure to attr_accessible :is_start
Update: I may have understood your problem wrong. So try this as well
<%= f.hidden_field :is_star, value: 'true' %>
Or you could have a radio button ?
<%= f.radio_button :is_star, value: 'true' %>
Related
I'm new to ruby on rails and I'm facing a problem rendering nested questions.
What I want to achieve is rendering the question and check if it have children question then render the children questions as well.
there is no limit on the nesting levels, so I have to use recursion method to achieve this and this is what I came up with.
# view file code
<% #questions.each do |q| %>
<%= render partial: "shared/question_block", locals: {q: q} %>
<% if have_children_questions?(q.id) == 'true' %>
<%= print_children_questions( get_children_ids(q.id) ) %>
<% end %>
<% end %>
and here is the helper functions I created
def have_children_questions?(id)
children = Question.get_children(id)
if !children.empty?
'true'
else
'false'
end
end
def get_children_ids(id)
ids = Question.where(parent: id).pluck(:id)
end
def print_children_questions(ids)
ids.each do |id|
q = Question.find(id)
render partial: "shared/question_block", locals: {q: q}
if have_children_questions?(id)
print_children_questions( get_children_ids(id) )
end
end
end
print_children_questions method returning the ids instead of the partial view, what I'm doing wrong?
is there is a better solution
Thanks in advance
I try to create simple search engine but I meet some problmes. I have several search_field in my form and if either is empty should returns all objects. Otherwise when it has any content it should be selected by that content. Below is my sample form:
<%= form_for :product, url: products_path, method: :get do |form| %>
<%= form.search_field :brand %>
<%= form.search_field :model %>
<%= form.search_field :price_from %>
<%= form.search_field :price_to %>
<%= form.submit 'Submit' %>
<% end %>
my model method:
def self.search(search)
where(brand: search[:brand]).where(model: search[:model]).where("price >= ?", search[:price_from]).where("price <= ?", search[:price_to])
end
But the above piece of code is wrong because if I leave some field empty it is treated directly as empty string instead of ignore this field and final result is not correct.
Summary this form should work similarly to filter on online store
You'd could do something like this
def self.search(search)
results = all
results = results.where(brand: search[:brand]) if search[:brand]
results = results.where(model: search[:model]) if search[:model]
results = results.where("price >= ?", search[:price_from]) if search[:price_from]
results = results.where("price <= ?", search[:price_to]) if search[:price_to]
return results
end
Good luck.
I have a rails app that gives users assignments and prompts them via email to come back and note that their assignment is completed or take some other action. I have three different actions (remind me later, choose a different assignment, or get help from a coach) which are represented by three radio buttons. How do I group these so that the user can only choose one of the three actions at a time?
<%= form_for(#assignment, :url => user_assignment_path(#user, #assignment)) do |a| %>
<%= a.radio_button :next_reminder_date, value: (Date.today + 2) %> <h3>Remind me again in 2 days.</h3><br>
<%= a.radio_button :coach_requested, true %> <h3>I'm stuck! Have a coach contact me.</h3><br>
<%= a.radio_button :abandoned, true %> <h3>This sucks. Give me another assignment.</h3><br>
<%= a.submit "Update assignment", class: "btn btn-primary btn-large" %>
<% end %>
I think you have two options. One would be to set the values using JavaScript. When any of the values is set, you can reset the other values. This won't work if a user doesn't have JavaScript so I'd recommend option 2.
Use something like this in your View:
radio_button_tag :next_action, :next_reminder_date
radio_button_tag :next_action, :coach_requested
radio_button_tag :next_action, :abandoned
Then in your Controller:
case params[:next_action]
when :next_reminder_date
#assignment.next_reminder_date = Date.today + 2
when :coach_requested
#assignment.coach_requested = true
when :abandoned
#assignment.abondoned = true
end
I hope that helps.
I'm writing my first custom rails validation, and would like to tag the offending class with an html "error" class if they return false - I can't quite figure out how to do it. Relevant validation code below - any help appreciated.
(If it makes a difference, I'm using jQuery)
validates_each :shop do |record, attr, value|
shopvar = record.shops.map{ |s| s.email.downcase.strip }
if shopvar.count != shopvar.uniq.count
record.errors.add(attr, 'has the same email address entered more than once')
#record.errors[attr] << "You have entered this shop in the form twice"
end
end
So in your form you'd have something like this for an input field
<%= form.text_field :title %>
Since errors is a hash you could use the "include?" method like so...
errors.include?(:title)
This tells you that there's something wrong with this field. Now all you need to do is style it.
Whack on a ternary operator asi...
<% css_class = errors.include?(:title) ? "highlight_error_class" : "no_problem_class" %>
<%= form.text_field :title, :class => css_class %>
Done.
I have a radio_button_tag in a form, which holds various values for a persons current availability:
Mike Donnall o Available o Out of office o Vacation
So originally you open the form, and select a value, this then sets the value in the Status table for that Person.
However, there's also functionality to re-open the form and update his present status, perhaps from Vacation to Available.
My question is, is there anyway at all that radio button :checked can be modified to accept a custom method, I have found something in a similar posting, but I want the value foe that radio button to be set to the value in the DB.
My code so far, a stab in the dark perhaps:
View:
<% #people.each do |p| %>
<% #statuses.each do |s| %>
<%= "#{p.name}" %>
<%= "#{s.status_name}" -%><%= radio_button_tag ['person', p.id], ['status',
s.id], checked?(p.id) %>
<% end %>
<% end %>
Helper:
def checked?(person)
#person = person
#status = Status.find_by_sql(['select status_id from statuses where person_id = ?, #person])
if #result
return true
end
As you can see Im a bit lost here, but I understand that the method should return the value of the checkbox that needs to be checked, but Im wondering because its a checked functionality, would it only be limited to being a true or false?
So for a persons.status.id check if its true or false.
It seems from your helper's SQL that you the following relationship setup between People and Statuses:
class Person < ActiveRecord::Base
has_one :status
end
class Status < ActiveRecord::Base
belongs_to :person
end
You can access one given person status like this:
person = Person.first
person_status = person.status
Using that knowledge, your desired view outcome becomes quite simple:
<% #people.each do |p| %>
<p><%= "#{p.name}" -%>
<% #statuses.each do |s| %>
<%= "#{s.status_name}" -%>
<%= radio_button_tag ['person', p.id],
['status', s.id],
(p.status == s) ? true : false %>
<% end %>
<% end %>
You can of course extract the logic to a helper, but that doesn't seem necessary.
On a personal note, this isn't the way I'd present the information to user, it' too heavy on information in one line. I suggest you put the person's name in a p tag, and use a ul tag for the statuses.