TheWhere

This is another way of querying in Ruby.

Installation

Add this line to your application's Gemfile:

gem 'the_where'

And then execute:

$ bundle install

Or install it yourself as:

$ gem install the_where

Usage

TheWhere

This Library set default params process for where query in ActiveRecord

Features and Usage

Normal equal params

• Params:

# rails 4 and later, the_where does nothing
params = { role_id: 1, age: 20 }
User.the_where(params)

Equal params with association

• params

User.belongs_to :role
params = { name: 'dhh', 'role.id': 2 }

# you can use any table name or reference name
params = { name: 'dhh', 'roles.id': 2 }

• Before use the_where

User.includes(:student).where(name: params[:name], role: {id: params[:'role.id']})

• After Use the_where

User.the_where(params)

Range params

• params

params = { 'role_id-lte': 2 }

• Before use the_where

User.where('role_id >= ?', params[:'role_id-lte'])

• After use the_where

User.the_where(params)

Auto remove blank params by default, no need write query with if else

• params

params = { age: '', role_id: 1 }

• Before use the_where

users = User.where(role_id: params[:role_id])
users = users.where(age: params[:age]) if params[:age]

• After use the_where

User.the_where(params)

# also can control which blank value can use
User.the_where(params, { allow: [nil] })

Order params

• Params

params = { 'age-asc': '1', 'last_login_at-asc': '2' }

• Before use the_where

User.order(age: :asc, last_login_at: :asc)

• After use the_where

User.the_where(params)

A sample with all params above

• Params

{ name: 'dhh', 'role.id': 2, 'age-lte': 2, 'age-asc': '1', 'last_login_at-asc': '2' }

• Before use the_where

User.includes(:role).where(name: params[:name], 'roles.id': params[:'role.id']).order(age: :asc, last_login_at: :asc)

• After use the_where

User.the_where(params)

Development

After checking out the repo, run bin/setup to install dependencies. You can also run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.

Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/gith-u-b/the_where. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the code of conduct.

License

The gem is available as open source under the terms of the MIT License.

Code of Conduct

Everyone interacting in the TheWhere project's codebases, issue trackers, chat rooms and mailing lists is expected to follow the code of conduct.