Class: GridTable::Control

Inherits:
Object
  • Object
show all
Extended by:
ActiveModel::Naming, ActiveModel::Translation
Includes:
ActiveModel::Conversion, ActiveModel::Validations
Defined in:
lib/grid_table/control.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(params = {}) ⇒ Control

Initializes a new model with the given params.

class Person
  include ActiveModel::Model
  attr_accessor :name, :age
end

person = Person.new(name: 'bob', age: '18')
person.name # => "bob"
person.age  # => "18"



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# File 'lib/grid_table/control.rb', line 18

def initialize(params={})
  params.each do |attr, value|
    self.public_send("#{attr}=", value)
  end if params

  super()
end

Instance Attribute Details

#attribute=(value) ⇒ Object (writeonly)

Sets the attribute attribute

Parameters:

  • the value to set the attribute attribute to.



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# File 'lib/grid_table/control.rb', line 39

def attribute=(value)
  @attribute = value
end

#filter(param_filter_value, records) ⇒ Object 



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# File 'lib/grid_table/control.rb', line 41

def filter(param_filter_value, records)
  unless @filter == false
    arel_query = nil
    strategy_map = {
      exact_match: ->(col) { col.eq(param_filter_value) },
      prefix:      ->(col) { col.matches("#{param_filter_value}%") },
      suffix:      ->(col) { col.matches("%#{param_filter_value}") },
      fuzzy:       ->(col) { col.matches("%#{param_filter_value}%") },
      array:       ->(col) { "#{column.to_s} @> ARRAY[#{[param_filter_value].flatten.join(',')}]" }
    }

    polymorphic_models.each_with_index do |klass, i|
      # TODO implement array filtering
      if i == 0
        arel_query = strategy_map[strategy].call(klass.arel_table[column])
      else
        arel_query = arel_query.or(strategy_map[strategy].call(klass.arel_table[column]))
      end
    end

    arel_query ||= strategy_map[strategy].call(source_table[column])
    prepared_records(records).where(arel_query)
  end
end

#model=(value) ⇒ Object (writeonly)

Sets the attribute model

Parameters:

  • the value to set the attribute model to.



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# File 'lib/grid_table/control.rb', line 39

def model=(value)
  @model = value
end

#polymorphic=(value) ⇒ Object (writeonly)

Sets the attribute polymorphic

Parameters:

  • the value to set the attribute polymorphic to.



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# File 'lib/grid_table/control.rb', line 39

def polymorphic=(value)
  @polymorphic = value
end

#source=(value) ⇒ Object (writeonly)

Sets the attribute source

Parameters:

  • the value to set the attribute source to.



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# File 'lib/grid_table/control.rb', line 39

def source=(value)
  @source = value
end

#source_class=(value) ⇒ Object (writeonly)

Sets the attribute source_class

Parameters:

  • the value to set the attribute source_class to.



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# File 'lib/grid_table/control.rb', line 39

def source_class=(value)
  @source_class = value
end

#source_column=(value) ⇒ Object (writeonly)

Sets the attribute source_column

Parameters:

  • the value to set the attribute source_column to.



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# File 'lib/grid_table/control.rb', line 39

def source_column=(value)
  @source_column = value
end

Class Method Details

.find_by_param(param, controls) ⇒ Object 



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# File 'lib/grid_table/control.rb', line 162

def find_by_param(param, controls)
  controls.detect { |control| control.url_param == param.try(:to_sym) }
end

Instance Method Details

#persisted? ⇒ Boolean

Indicates if the model is persisted. Default is false.

class Person
  include ActiveModel::Model
  attr_accessor :id, :name
end

person = Person.new(id: 1, name: 'bob')
person.persisted? # => false

Returns:



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# File 'lib/grid_table/control.rb', line 35

def persisted?
  false
end

#sort(param_sort_order, records) ⇒ Object 



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# File 'lib/grid_table/control.rb', line 66

def sort(param_sort_order, records)
  sort_order = %w[asc, desc].include?(param_sort_order) ? param_sort_order : 'asc'

  if @polymorphic
    models = polymorphic_models
    if models.present?
      prepared_records(records).select("\"#{@model.to_s.tableize}\".*, #{polymorphic_select_sql(models)} AS #{active_source}")
                               .order("#{active_source} #{sort_order}")
    else
      records
    end
  else
    prepared_records(records).order("#{table_with_column} #{sort_order}")
  end
end

#url_param ⇒ Object 



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# File 'lib/grid_table/control.rb', line 82

def url_param
  @attribute
end