rails 4 update record without using default update method

rails 4 update record without using default update method

By : Daniel
Date : November 14 2020, 04:51 PM
will help you I want to update a model record without using the default update method. I want to use my custom method to update it. I want to use custom method like , You should change the method from POST to patch:
code :
resources :promotions do
    collection {
      patch :update_record

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Can Rails ActiveRecord #save method be used to update an existing record?

Can Rails ActiveRecord #save method be used to update an existing record?

By : ming_java
Date : March 29 2020, 07:55 AM
I wish this help you Yes. An ActiveRecord object in Rails retains its identity in the ID parameter. If the ID is set, Rails will know to update the record in the database with that ID.
save is, in fact, the primary way to create, update, or in any way save an object to the database. Other methods like update_attributes are just sugar that use save at their core.
Rails find_or_create method AND update record attributes

Rails find_or_create method AND update record attributes

By : Navneet Pathak
Date : March 29 2020, 07:55 AM
help you fix your problem Sounds like you want something that does a create_or_update_by,
which could be these two steps:
code :
my_app_class = ClassName.find_or_initialize_by_name(last_name, first_name).update_attributes
   :last_name => self.last_name,
   :first_name => self.first_name,
Rails after_save method trying to update record over and over

Rails after_save method trying to update record over and over

By : wuxiaoming
Date : March 29 2020, 07:55 AM
around this issue If you need to call process_pages only once after Creating a Page record and not after Updating a Page record then I would suggest to use after_create instead.
code :
class Page < ActiveRecord::Base
  require 'open-uri'

  after_create :process_pages

  def process_pages
    self.html = open(self.url).read
Undefined method update when updating a record in Rails

Undefined method update when updating a record in Rails

By : user3658740
Date : March 29 2020, 07:55 AM
it fixes the issue It raises an error, because Country by given code was not found, then find_by returns nil, on which update method does not exist.
Instead of find_by executrun find_by! - you should get ActiveRecord::RecordNotFound error
code :
if @country
  @country.update ... 
Update method not updating record in rails 4

Update method not updating record in rails 4

By : Binoy Kumar
Date : March 29 2020, 07:55 AM
I hope this helps you . i have create a scaffold controller in which i can delete a record, update a record and create a new record. All methods working fine but update method not working. When i update any record then on submit it just show me flash notice that record updated successful but when i check my db nothing was change. Here below my update method in my controller.Kindly suggesst me what i have done wrong please. , It's because you didn't tell it to update. You should have:
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