Class: ActiveRecordDataTables

Inherits:
Object
  • Object
show all
Defined in:
lib/active-record-data-tables.rb

Instance Method Summary collapse

Constructor Details

#initialize(args) ⇒ ActiveRecordDataTables

Returns a new instance of ActiveRecordDataTables.



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# File 'lib/active-record-data-tables.rb', line 4

def initialize(args)
  @args = args
  @params = @args[:params]
  @filter_params = @args[:filter_params]
  @force_filter_for = @args[:force_filter_for]
  @dts = @params[:dataTables]
  @columns = @args[:columns]

  @model = @args[:model]
  raise "No ':model' was given." unless @model
  @model_method_name = StringCases.camel_to_snake(@model.name)

  @joins = {}
  @sort_columns = [:title, :name]
  @executed = false
end

Instance Method Details

#execute ⇒ Object 



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# File 'lib/active-record-data-tables.rb', line 21

def execute
  @executed = true
  @query = @model

  filter
  sorting
  limit

  return @query
end

#json(final_query = nil) ⇒ Object 



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# File 'lib/active-record-data-tables.rb', line 32

def json(final_query = nil)
  unless final_query
    execute unless @executed
    final_query = @query
  end

  dis_rec_count = final_query.limit(nil).count
  dis_rec_count = dis_rec_count.length if dis_rec_count.is_a?(Hash)

  res = {
    :sEcho => @dts[:sEcho] ? @dts[:sEcho].to_i : 1,
    :iTotalRecords => @model.count,
    :iTotalDisplayRecords => dis_rec_count,
    :aaData => []
  }
end