Class: ActiveHashRelation::FilterApplier

Inherits:
Object
  • Object
show all
Includes:
AssociationFilters, ColumnFilters, Helpers, LimitFilters, ScopeFilters, SortFilters
Defined in:
lib/active_hash_relation/filter_applier.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from LimitFilters

#apply_limit

Methods included from SortFilters

#apply_sort

Methods included from ScopeFilters

#filter_scopes

Methods included from AssociationFilters

#filter_associations

Methods included from ColumnFilters

#filter_boolean, #filter_date, #filter_datetime, #filter_decimal, #filter_float, #filter_integer, #filter_primary, #filter_string, #filter_text

Methods included from Helpers

#model_class_name

Constructor Details

#initialize(resource, params, include_associations: true, model: nil) ⇒ FilterApplier

Returns a new instance of FilterApplier.



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# File 'lib/active_hash_relation/filter_applier.rb', line 12

def initialize(resource, params, include_associations: true, model: nil)
  @configuration = Module.nesting.last.configuration
  @resource = resource
  @params = HashWithIndifferentAccess.new(params)
  @include_associations = include_associations
  @model = model
end

Instance Attribute Details

#configuration ⇒ Object (readonly)

Returns the value of attribute configuration.



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# File 'lib/active_hash_relation/filter_applier.rb', line 10

def configuration
  @configuration
end

Instance Method Details

#apply_filters ⇒ Object 



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# File 'lib/active_hash_relation/filter_applier.rb', line 21

def apply_filters
  unless @model
    @model = model_class_name(@resource)
  end
  table_name = @model.table_name
  @model.columns.each do |c|
    next if @params[c.name.to_s].nil?
    next if @params[c.name.to_s].is_a?(String) && @params[c.name.to_s].blank?

    if c.respond_to?(:primary)
      if c.primary
        @resource = filter_primary(@resource, c.name, @params[c.name])
        next
      end
    else #rails 4.2
      if @model.primary_key == c.name
        @resource = filter_primary(@resource, c.name, @params[c.name])
        next
      end
    end

    case c.type
    when :integer
      @resource = filter_integer(@resource, c.name, table_name, @params[c.name])
    when :float
      @resource = filter_float(@resource, c.name, table_name, @params[c.name])
    when :decimal
      @resource = filter_decimal(@resource, c.name, table_name, @params[c.name])
    when :string
      @resource = filter_string(@resource, c.name, table_name, @params[c.name])
    when :date
      @resource = filter_date(@resource, c.name, table_name, @params[c.name])
    when :datetime, :timestamp
      @resource = filter_datetime(@resource, c.name, table_name, @params[c.name])
    when :boolean
      @resource = filter_boolean(@resource, c.name, @params[c.name])
    end
  end


  @resource = filter_scopes(@resource, @params[:scopes], @model) if @params.include?(:scopes)
  @resource = filter_associations(@resource, @params, @model) if @include_associations
  @resource = apply_limit(@resource, @params[:limit]) if @params.include?(:limit)
  @resource = apply_sort(@resource, @params[:sort], @model) if @params.include?(:sort)

  return @resource
end

#filter_class(resource_name) ⇒ Object 



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# File 'lib/active_hash_relation/filter_applier.rb', line 69

def filter_class(resource_name)
  "#{configuration.filter_class_prefix}#{resource_name.pluralize}#{configuration.filter_class_suffix}".constantize
end