Ruby on Rails | Веб-Розробка

Rspec DatabaseCleaner configuration

Грудень 10, 2018 by admin

RSpec.configure do |config|

  config.use_transactional_fixtures = false

  config.before(:suite) do
    DatabaseCleaner.clean_with :truncation
    DatabaseCleaner.strategy = :transaction
  end

  config.around(:each) do |spec|
    if spec.metadata[:js]
      # JS => doesn't share connections => can't use transactions
      spec.run
      DatabaseCleaner.clean_with :deletion
    else
      # No JS/Devise => run with Rack::Test => transactions are ok
      DatabaseCleaner.start
      spec.run
      DatabaseCleaner.clean

      # see https://github.com/bmabey/database_cleaner/issues/99
      begin
        ActiveRecord::Base.connection.send :rollback_transaction_records, true
      rescue
      end
    end
  end
end

RSpec.configure do |config|

config.use_transactional_fixtures = false

config.before(:suite) do

DatabaseCleaner.clean_with :truncation

DatabaseCleaner.strategy = :transaction

end

config.around(:each) do |spec|

if spec.metadata[:js]

# JS => doesn't share connections => can't use transactions

spec.run

DatabaseCleaner.clean_with :deletion

else

# No JS/Devise => run with Rack::Test => transactions are ok

DatabaseCleaner.start

spec.run

DatabaseCleaner.clean

# see https://github.com/bmabey/database_cleaner/issues/99

begin

ActiveRecord::Base.connection.send :rollback_transaction_records, true

rescue

end

Custom exceptions in Ruby On Rails

Жовтень 20, 2018 by admin

config/application.rb

require_relative '../app/classes/exceptions/custome_error'

1	require_relative '../app/classes/exceptions/custome_error'

app/classes/exceptions/custom_error.rb

module Exceptions
  class CustomError < StandardError
    def message
      'my Error Message'
    end

    # for Sentry.io
    def raven_context
      { message: message }
    end
  end
end

module Exceptions

class CustomError < StandardError

def message

'my Error Message'

end

# for Sentry.io

def raven_context

{ message: message }

end

if responce.code != '200'
  Rails.logger.error "#{responce.code}:#{responce.message}"
  Raven.capture_exception(Exceptions::CustomeError.new)
  true
else
  ...
end

if responce.code != '200'

Rails.logger.error "#{responce.code}:#{responce.message}"

Raven.capture_exception(Exceptions::CustomeError.new)

true

else

...

end

ActionController::UnknownFormat

Жовтень 15, 2018 by admin

class ApplicationController < ActionController::Base
  ...
  rescue_from ActiveRecord::RecordNotFound, with: :record_not_found
  rescue_from ActionController::UnknownFormat, with: :unknown_format
  ...
  private

  def record_not_found
    if request.format.class == Mime::NullType || [:html, :json].exclude?(request.format.to_sym)
      request.format = 'html'
    end
    respond_to do |format|
      format.json { render json: { error: 404 }, status: :not_found }
      format.html { render('errors/not_found', status: :not_found, layout: 'application') }
    end
  end

  def unknown_format(exception)
    logger.error exception
    record_not_found
  end

class ApplicationController < ActionController::Base

...

rescue_from ActiveRecord::RecordNotFound, with: :record_not_found

rescue_from ActionController::UnknownFormat, with: :unknown_format

...

private

def record_not_found

if request.format.class == Mime::NullType || [:html, :json].exclude?(request.format.to_sym)

request.format = 'html'

end

respond_to do |format|

format.json { render json: { error: 404 }, status: :not_found }

format.html { render('errors/not_found', status: :not_found, layout: 'application') }

end

def unknown_format(exception)

logger.error exception

record_not_found

end

“\xC3” from ASCII-8BIT to UTF-8 paperclip

Вересень 11, 2018 by admin

class Image < ActiveRecord::Base
  belongs_to :specification

  has_attached_file( :file,...)
  ...
  before_post_process :rename_file

  def rename_file
    self.file.instance_write :file_name, file_file_name.force_encoding(Encoding::UTF_8)
  end

  ...
}

class Image < ActiveRecord::Base

belongs_to :specification

has_attached_file( :file,...)

...

before_post_process :rename_file

def rename_file

self.file.instance_write :file_name, file_file_name.force_encoding(Encoding::UTF_8)

end

...

}

Deploy Ruby on Rails – Ubuntu 18.04/Nginx/Passenger/Postgres/Capistrano

Вересень 3, 2018 by admin

Приклад деплою App на Ruby On Rails

В даній замітці розглядається приклад деплою проетку під назвою tools на VPS-сервер Ubuntu 18.04 в каталог /home/deployer/apps/project/, код проекту знаходиться на git-сервері bitbucket.org у приватному репозиторію. Використовуємо Ruby 2.4.0 та Ruby On Rails 5

Continue reading →

Invoke rake task on Rspec

Серпень 17, 2018 by admin

You need to add next row in your spec file

You should first load the tasks and then invoke your task

require 'rake'
MyRailsApp::Application.load_tasks

...

Rake::Task['some:rake_task'].invoke

require 'rake'

MyRailsApp::Application.load_tasks

...

Rake::Task['some:rake_task'].invoke

Devise ajax sign up

Червень 13, 2018 by admin

$('#submit-btn').on('click', function () {
  if ($('#new_user')[0].checkValidity()) {
    $('#new_user').submit();
    $('.status-error').remove();
    $('.add-error').removeClass('has-error');
  }
});

$('#submit-btn').on('click', function () {

if ($('#new_user')[0].checkValidity()) {

$('#new_user').submit();

$('.status-error').remove();

$('.add-error').removeClass('has-error');

}

});

$('form#new_user').bind('ajax:success', () => {
    animationSignUpForm();
    setTimeout(() => window.location.replace('/'), 2000);
  });

$('form#new_user').bind('ajax:error', (evt, xhr) => {
  $('form#new_user').prepend(
    '<div class="alert alert-danger status-error">Please review the problems below:</div>',
  );
  $('.form-group.email.user_email');

  var errors = xhr.responseJSON.errors;

  for (key in errors) {
    var array = errors[key];
    var element = `.form-group.${key}.user_${key}`;

    $(element).addClass('add-error has-error');

    array.forEach(function(item){
      $(element).append(`<span class="help-block status-error">${item}</span>`);
    });
  }
});

$('form#new_user').bind('ajax:success', () => {

animationSignUpForm();

setTimeout(() => window.location.replace('/'), 2000);

});

$('form#new_user').bind('ajax:error', (evt, xhr) => {

$('form#new_user').prepend(

'<div class="alert alert-danger status-error">Please review the problems below:</div>',

);

$('.form-group.email.user_email');

var errors = xhr.responseJSON.errors;

for (key in errors) {

var array = errors[key];

var element = `.form-group.${key}.user_${key}`;

$(element).addClass('add-error has-error');

array.forEach(function(item){

$(element).append(`<span class="help-block status-error">${item}</span>`);

});

}

});

app/controllers/users/registrations_controller.rb

class Users::RegistrationsController < Devise::RegistrationsController
  respond_to :html, :json

1 2	class Users::RegistrationsController < Devise::RegistrationsController respond_to :html, :json

app/views/users/registrations/_sign_up.html.erb

<%= simple_form_for(resource, as: resource_name, 
    url: registration_path(resource_name), 
    remote: true, data: { type: :json }) do |f| %>

<%= simple_form_for(resource, as: resource_name,

url: registration_path(resource_name),

remote: true, data: { type: :json }) do |f| %>

Update values when use gem config

Квітень 30, 2018 by admin

Example

def settings_update(key, value)
      config_file = 'config/settings.yml'
      config = YAML.load_file(config_file).try(:with_indifferent_access) || {}
      config[key] = value
      File.write(config_file, config.to_yaml)
      Settings.reload!
end

def settings_update(key, value)

config_file = 'config/settings.yml'

config = YAML.load_file(config_file).try(:with_indifferent_access) || {}

config[key] = value

File.write(config_file, config.to_yaml)

Settings.reload!

end

Ruby on Rails – Show JSON pretty format on view

Лютий 15, 2018 by admin

<pre><%= JSON.pretty_generate(object) %></pre>

1	<pre><%= JSON.pretty_generate(object) %></pre>

link

Custom config on Ruby on Rails

Грудень 28, 2017 by admin

config/initializers/segment.rb

CONFIG_SEGMENT = YAML.load(
  ERB.new(IO.read(File.join(Rails.root, 'config', 'segment.yml'))).result
)[Rails.env.to_s].with_indifferent_access

CONFIG_SEGMENT = YAML.load(

ERB.new(IO.read(File.join(Rails.root, 'config', 'segment.yml'))).result

)[Rails.env.to_s].with_indifferent_access

config/segment.rb

default: &default
  key: 'mykey'

development:
  <<: *default

production:
  <<: *default

staging:
  <<: *default

test:
  <<: *default

default: &default

key: 'mykey'

development:

<<: *default

production:

<<: *default

staging:

<<: *default

test:

<<: *default

$ rails c
Running via Spring preloader in process 6872
Loading development environment (Rails 4.1.15)
2.2.0 :001 > CONFIG_SEGMENT[:key]
 => "mykey" 
2.2.0 :002 > CONFIG_SEGMENT['key']
 => "mykey" 
2.2.0 :003 >

$ rails c

Running via Spring preloader in process 6872

Loading development environment (Rails 4.1.15)

2.2.0 :001 > CONFIG_SEGMENT[:key]

=> "mykey"

2.2.0 :002 > CONFIG_SEGMENT['key']

=> "mykey"

2.2.0 :003 >

Веб-Розробка

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Category Archives: Ruby on Rails

Rspec DatabaseCleaner configuration

Custom exceptions in Ruby On Rails

ActionController::UnknownFormat

“\xC3” from ASCII-8BIT to UTF-8 paperclip

Deploy Ruby on Rails – Ubuntu 18.04/Nginx/Passenger/Postgres/Capistrano

Invoke rake task on Rspec

Devise ajax sign up

app/controllers/users/registrations_controller.rb

app/views/users/registrations/_sign_up.html.erb

Update values when use gem config

Ruby on Rails – Show JSON pretty format on view

Custom config on Ruby on Rails