Class: Effective::Datatable

Inherits:
Object
  • Object
show all
Extended by:
EffectiveDatatable::Dsl
Includes:
EffectiveDatatable::Attributes, EffectiveDatatable::Collection, EffectiveDatatable::Compute, EffectiveDatatable::Cookie, EffectiveDatatable::Csv, EffectiveDatatable::Format, EffectiveDatatable::Hooks, EffectiveDatatable::Params, EffectiveDatatable::Resource, EffectiveDatatable::State
Defined in:
app/models/effective/datatable.rb

Constant Summary

Constants included from EffectiveDatatable::Resource

EffectiveDatatable::Resource::AGGREGATE_SQL_FUNCTIONS

Constants included from EffectiveDatatable::Format

EffectiveDatatable::Format::BLANK, EffectiveDatatable::Format::NONVISIBLE, EffectiveDatatable::Format::SPACER, EffectiveDatatable::Format::SPACER_TEMPLATE

Constants included from EffectiveDatatable::Compute

EffectiveDatatable::Compute::BLANK

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from EffectiveDatatable::Dsl

bulk_actions, charts, datatable, filters

Methods included from EffectiveDatatable::State

#display_length, #display_start, #filter, #offset, #order_direction, #order_index, #order_name, #page, #per_page, #scope, #search

Methods included from EffectiveDatatable::Resource

#admin_namespace?, #association_macros, #controller_namespace

Methods included from EffectiveDatatable::Hooks

#finalize

Methods included from EffectiveDatatable::Csv

#csv_collection, #csv_content_type, #csv_file, #csv_filename, #csv_header, #csv_human_attribute_name, #csv_stream

Methods included from EffectiveDatatable::Cookie

#cookie

Methods included from EffectiveDatatable::Collection

#active_record_array_collection?, #active_record_collection?, #active_record_polymorphic_array_collection?, #array_collection?, #collection_class

Constructor Details

#initialize(view = nil, attributes = nil) ⇒ Datatable

Returns a new instance of Datatable.



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# File 'app/models/effective/datatable.rb', line 45

def initialize(view = nil, attributes = nil)
  (attributes = view; view = nil) if view.kind_of?(Hash)

  @attributes = initial_attributes(attributes)
  @state = initial_state

  @_aggregates = {}
  @_bulk_actions = []
  @_charts = {}
  @_columns = {}
  @_filters = {}
  @_form = {}
  @_scopes = {}

  raise 'expected a hash of arguments' unless @attributes.kind_of?(Hash)
  raise 'collection is defined as a method. Please use the collection do ... end syntax.' unless collection.nil?

  self.view = view if view
end

Instance Attribute Details

#_aggregates ⇒ Object (readonly)

Hashes of DSL options



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# File 'app/models/effective/datatable.rb', line 10

def _aggregates
  @_aggregates
end

#_bulk_actions ⇒ Object (readonly)

Returns the value of attribute _bulk_actions.



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# File 'app/models/effective/datatable.rb', line 11

def _bulk_actions
  @_bulk_actions
end

#_charts ⇒ Object (readonly)

Returns the value of attribute _charts.



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# File 'app/models/effective/datatable.rb', line 12

def _charts
  @_charts
end

#_collection ⇒ Object

The collection itself. Only evaluated once.



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# File 'app/models/effective/datatable.rb', line 19

def _collection
  @_collection
end

#_collection_apply_belongs_to ⇒ Object

Returns the value of attribute _collection_apply_belongs_to.



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# File 'app/models/effective/datatable.rb', line 20

def _collection_apply_belongs_to
  @_collection_apply_belongs_to
end

#_collection_apply_scope ⇒ Object

Returns the value of attribute _collection_apply_scope.



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# File 'app/models/effective/datatable.rb', line 21

def _collection_apply_scope
  @_collection_apply_scope
end

#_columns ⇒ Object (readonly)

Returns the value of attribute _columns.



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# File 'app/models/effective/datatable.rb', line 13

def _columns
  @_columns
end

#_filters ⇒ Object (readonly)

Returns the value of attribute _filters.



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# File 'app/models/effective/datatable.rb', line 14

def _filters
  @_filters
end

#_form ⇒ Object (readonly)

Returns the value of attribute _form.



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# File 'app/models/effective/datatable.rb', line 15

def _form
  @_form
end

#_scopes ⇒ Object (readonly)

Returns the value of attribute _scopes.



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# File 'app/models/effective/datatable.rb', line 16

def _scopes
  @_scopes
end

#attributes ⇒ Object (readonly)

Anything that we initialize our table with. That's it. Can't be changed by state.



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# File 'app/models/effective/datatable.rb', line 5

def attributes
  @attributes
end

#csv ⇒ Object

Set to true when CSV download



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# File 'app/models/effective/datatable.rb', line 30

def csv
  @csv
end

#effective_resource ⇒ Object

Returns the value of attribute effective_resource.



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# File 'app/models/effective/datatable.rb', line 7

def effective_resource
  @effective_resource
end

#source_location ⇒ Object

Set by DSL so we can track where this datatable is coming from



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# File 'app/models/effective/datatable.rb', line 27

def source_location
  @source_location
end

#state ⇒ Object (readonly)

Returns the value of attribute state.



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# File 'app/models/effective/datatable.rb', line 6

def state
  @state
end

#view ⇒ Object

The view



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# File 'app/models/effective/datatable.rb', line 24

def view
  @view
end

Class Method Details

.datatable_name ⇒ Object

Checks en.datatables.admin/my_datatable



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# File 'app/models/effective/datatable.rb', line 66

def self.datatable_name
  key = "datatables.#{name.underscore}"
  value = ::I18n.t(key)

  if value.include?(key) # missing translation
    name.titleize.split('/').last.chomp(' Datatable')
  else
    value
  end
end

Instance Method Details

#_filters_form_required? ⇒ Boolean

Whether the filters must be rendered as a or we can keep the normal

behaviour

Returns:

  • (Boolean) 


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# File 'app/models/effective/datatable.rb', line 209

def _filters_form_required?
  _form[:verb].present?
end

#blank?(view = nil) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/effective/datatable.rb', line 155

def blank?(view = nil)
  unless (@view || view)
    raise 'unable to call blank? without an assigned view. In your view, either call render_datatable(@datatable) first, or use @datatable.blank?(self)'
  end

  self.view ||= view

  to_json[:recordsTotal] == 0
end

#collection ⇒ Object 



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# File 'app/models/effective/datatable.rb', line 257

def collection
  @_collection
end

#columns ⇒ Object 



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# File 'app/models/effective/datatable.rb', line 253

def columns
  @_columns
end

#csv? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/effective/datatable.rb', line 281

def csv?
  csv == true
end

#datatable_name ⇒ Object 



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# File 'app/models/effective/datatable.rb', line 77

def datatable_name
  self.class.datatable_name
end

#date_range(value = nil) ⇒ Object 



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# File 'app/models/effective/datatable.rb', line 226

def date_range(value = nil)
  now = Time.zone.now

  value ||= filters[:date_range]
  start_date ||= filters[:start_date]
  end_date ||= filters[:end_date]

  return (nil..nil) if value.blank?

  case value.to_sym
  when :current_month
    (now.beginning_of_month..now.end_of_day)
  when :current_year
    (now.beginning_of_year..now.end_of_day)
  when :month
    (start_date || now).in_time_zone.all_month
  when :year
    (start_date || now).in_time_zone.all_year
  when :custom
    (start_date&.beginning_of_day..end_date&.end_of_day)
  when :all
    (nil..nil)
  else
    raise('unexpected date range value')
  end
end

#default_visibility ⇒ Object 



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# File 'app/models/effective/datatable.rb', line 273

def default_visibility
  columns.values.inject({}) { |h, col| h[col[:index]] = col[:visible]; h }
end

#downloadable? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/effective/datatable.rb', line 200

def downloadable?
  attributes[:downloadable] != false
end

#dsl_tool ⇒ Object 



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# File 'app/models/effective/datatable.rb', line 261

def dsl_tool
  @dsl_tool ||= DatatableDslTool.new(self)
end

#fallback_effective_resource ⇒ Object 



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# File 'app/models/effective/datatable.rb', line 269

def fallback_effective_resource
  @fallback_effective_resource ||= Effective::Resource.new('', namespace: controller_namespace)
end

#filters_form ⇒ Object 



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# File 'app/models/effective/datatable.rb', line 277

def filters_form
  DatatableFiltersForm.new(datatable: self)
end

#html_class ⇒ Object 



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# File 'app/models/effective/datatable.rb', line 213

def html_class
  Array(attributes[:class] || EffectiveDatatables.html_class).join(' ').presence
end

#inline? ⇒ Boolean

Inline crud

Returns:

  • (Boolean) 


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# File 'app/models/effective/datatable.rb', line 183

def inline?
  attributes[:inline] == true
end

#length_menu ⇒ Object

An array of integers [5, 10, 25, 50, 100, 250, 500]



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# File 'app/models/effective/datatable.rb', line 218

def length_menu
  EffectiveDatatables.length_menu
end

#present?(view = nil) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/effective/datatable.rb', line 145

def present?(view = nil)
  unless (@view || view)
    raise 'unable to call present? without an assigned view. In your view, either call render_datatable(@datatable) first, or use @datatable.present?(self)'
  end

  self.view ||= view

  to_json[:recordsTotal] > 0
end

#rendered(params = {}) ⇒ Object 



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# File 'app/models/effective/datatable.rb', line 81

def rendered(params = {})
  raise('expected a hash of params') unless params.kind_of?(Hash)

  view = ApplicationController.renderer.controller.helpers

  view.class_eval do
    attr_accessor :rendered_params

    def current_user
      rendered_params[:current_user]
    end
  end

  if params[:current_user_id]
    params[:current_user] = User.find(params[:current_user_id])
  end

  view.rendered_params = params

  self.view = view
  self
end

#reorder? ⇒ Boolean

Reordering

Returns:

  • (Boolean) 


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# File 'app/models/effective/datatable.rb', line 188

def reorder?
  columns.key?(:_reorder)
end

#resource ⇒ Object 



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# File 'app/models/effective/datatable.rb', line 265

def resource
  raise('depecated. Please use .effective_resource instead')
end

#searchable? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/effective/datatable.rb', line 196

def searchable?
  attributes[:searchable] != false
end

#skip_save_state? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/effective/datatable.rb', line 204

def skip_save_state?
  attributes[:skip_save_state] == true
end

#sortable? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/effective/datatable.rb', line 192

def sortable?
  !reorder? && attributes[:sortable] != false
end

#to_csv ⇒ Object 



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# File 'app/models/effective/datatable.rb', line 165

def to_csv
  csv_file()
end

#to_json ⇒ Object 



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# File 'app/models/effective/datatable.rb', line 169

def to_json
  @json ||= (
    {
      data: (compute || []),
      draw: (params[:draw] || 0),
      recordsTotal: (@total_records || 0),
      recordsFiltered: (@display_records || 0),
      aggregates: (@aggregates_data || []),
      charts: (@charts_data || {})
    }
  )
end

#to_param ⇒ Object 



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# File 'app/models/effective/datatable.rb', line 222

def to_param
  "#{self.class.name.underscore.parameterize}-#{[self.class, attributes].hash.abs.to_s.last(12)}"
end