Class: Effective::DatatableValueTool

Inherits:
Object
  • Object
show all
Defined in:
app/models/effective/datatable_value_tool.rb

Overview

The collection is an Array of Arrays

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(datatable) ⇒ DatatableValueTool

Returns a new instance of DatatableValueTool.



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

def initialize(datatable)
  @datatable = datatable

  if datatable.array_collection?
    @columns = datatable.columns
  else
    @columns = datatable.columns.select { |_, col| col[:sql_column].blank? }
  end
end

Instance Attribute Details

#columns ⇒ Object (readonly)

Returns the value of attribute columns.



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

def columns
  @columns
end

#datatable ⇒ Object (readonly)

Returns the value of attribute datatable.



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# File 'app/models/effective/datatable_value_tool.rb', line 4

def datatable
  @datatable
end

Instance Method Details

#order(collection) ⇒ Object 



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# File 'app/models/effective/datatable_value_tool.rb', line 25

def order(collection)
  return collection unless ordered.present?

  collection = if ordered[:sort_method]
    datatable.dsl_tool.instance_exec(collection, datatable.order_direction, ordered, ordered[:index], &ordered[:sort_method])
  else
    order_column(collection, datatable.order_direction, ordered, ordered[:index])
  end

  raise 'sort method must return an Array' unless collection.kind_of?(Array)

  collection
end

#order_column(collection, direction, column, index) ⇒ Object 



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# File 'app/models/effective/datatable_value_tool.rb', line 39

def order_column(collection, direction, column, index)
  Rails.logger.info "VALUE TOOL: order_column :#{column.to_s} :#{direction} #{index}" if EffectiveDatatables.debug

  if direction == :asc
    collection.sort! do |x, y|
      x[index] <=> y[index] || x[index].to_s <=> y[index].to_s || 0
    end
  else
    collection.sort! do |x, y|
      y[index] <=> x[index] || y[index].to_s <=> x[index].to_s || 0
    end
  end

  collection
end

#ordered ⇒ Object 



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

def ordered
  @ordered ||= columns[datatable.order_name]
end

#paginate(collection) ⇒ Object 



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# File 'app/models/effective/datatable_value_tool.rb', line 132

def paginate(collection)
  page = [datatable.page.to_i - 1, 0].max
  per_page = datatable.per_page.to_i

  collection[(page * per_page)...((page * per_page) + per_page)]
end

#search(collection) ⇒ Object 



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# File 'app/models/effective/datatable_value_tool.rb', line 55

def search(collection)
  searched.each do |name, value|
    column = columns[name]

    collection = if column[:search_method]
      datatable.dsl_tool.instance_exec(collection, value, column, column[:index], &column[:search_method])
    else
      search_column(collection, value, column, column[:index])
    end

    raise 'search method must return an Array object' unless collection.kind_of?(Array)
  end

  collection
end

#search_column(collection, value, column, index) ⇒ Object 



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# File 'app/models/effective/datatable_value_tool.rb', line 71

def search_column(collection, value, column, index)
  Rails.logger.info "VALUE TOOL: search_column #{column.to_s} #{value} #{index}" if EffectiveDatatables.debug

  fuzzy = column[:search][:fuzzy]
  term = Effective::Attribute.new(column[:as]).parse(value, name: column[:name])
  term_downcased = term.to_s.downcase
  macros = Effective::Resource.new('').macros

  if term == 'nil'
    return (collection.select! { |row| row[index].nil? } || collection)
  end

  # See effective_resources gem search() method # relation.rb
  collection.select! do |row|
    case column[:as]
    when :duration
      if fuzzy && (term % 60 == 0) && value.to_s.include?('m') == false
        if term < 0
          row[index] <= term && row[index] > (term - 60)
        else
          row[index] >= term && row[index] < (term + 60)
        end
      else
        row[index] == term
      end
    when :decimal, :currency
      if fuzzy && (term.round(0) == term) && value.to_s.include?('.') == false
        if term < 0
          row[index] <= term && row[index] > (term - 1.0)
        else
          row[index] >= term && row[index] < (term + 1.0)
        end
      else
        row[index] == term
      end
    when *macros, :resource
      resources = Array(column[:as] == :resource ? row[index] : row[index].send(column[:name]))
      terms = Array(term)

      resources.any? do |resource|
        terms.any? do |term|
          matched = false

          if term.kind_of?(Integer) && resource.respond_to?(:to_param)
            matched = (resource.id == term || resource.to_param == term)
          end

          matched ||= (fuzzy ? resource.to_s.downcase.include?(term.to_s.downcase) : resource.to_s == term)
        end
      end

    else  # :string, :text, :email
      if fuzzy
        row[index].to_s.downcase.include?(term_downcased)
      else
        row[index] == term || (row[index].to_s == term.to_s)
      end
    end
  end || collection
end

#searched ⇒ Object 



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# File 'app/models/effective/datatable_value_tool.rb', line 17

def searched
  @searched ||= datatable.search.select { |name, _| columns.key?(name) }
end

#size(collection) ⇒ Object 



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# File 'app/models/effective/datatable_value_tool.rb', line 139

def size(collection)
  collection.size
end