DatagridDemo

Developer ↑ ↓	Project ↑ ↓	Company ↑ ↓	Report hours ↑ ↓
Desmond Murray	quibusdam sed sit	Apple	102.0
Dona Gutkowski	quibusdam sed sit	Apple	56.0
Dorthey Turner	quibusdam sed sit	Apple	81.0
Elenora Brakus	quibusdam sed sit	Apple	47.0
Eleonore Wisozk	quibusdam sed sit	Apple	63.0
Elida Zulauf	quibusdam sed sit	Apple	37.0
Elisa Wintheiser	quibusdam sed sit	Apple	51.0
Elise Waelchi	quibusdam sed sit	Apple	46.0
Elli Dietrich	quibusdam sed sit	Apple	65.0
Elsa Goodwin	quibusdam sed sit	Apple	45.0
Ethyl Ankunding	quibusdam sed sit	Apple	77.0
Evangelina Pfeffer	quibusdam sed sit	Apple	48.0
Felisa Jaskolski	quibusdam sed sit	Apple	58.0
Flavia Will	quibusdam sed sit	Apple	72.0
German Murphy	quibusdam sed sit	Apple	66.0
Gonzalo Blanda	quibusdam sed sit	Apple	60.0
Grace Kris	quibusdam sed sit	Apple	49.0
Gwendolyn Satterfield	quibusdam sed sit	Apple	87.0
Huong McKenzie	quibusdam sed sit	Apple	73.0
Imelda Heidenreich	quibusdam sed sit	Apple	63.0
Isidro McCullough	quibusdam sed sit	Apple	66.0
Jackson Kozey	quibusdam sed sit	Apple	62.0
Jamie Stehr	quibusdam sed sit	Apple	33.0
Jamison Hagenes	quibusdam sed sit	Apple	39.0
Jarvis Ryan	quibusdam sed sit	Apple	90.0

Grid:

class TimeEntriesGrid < ApplicationGrid

  #
  # Scope
  #

  scope do
    User.select(
      "users.name",
      "projects.name as project_name",
      "accounts.name as account_name",
      "sum(time_entries.hours) as report_hours"
    ).joins(
      time_entries: {project: :account}
    ).group("projects.name", "users.name", "accounts.name").
    order("users.name")
  end


  #
  # Filters
  #

  filter(
    :project_id, :enum,
    :select => :project_id_select,
    :multiple => true,
    :include_blank => false
  ) do |value|
    self.where(:time_entries => {:project_id => value})
  end


  filter(
    :year, :enum,
    :select => :year_select,
    :include_blank => false,
    :default => lambda {Date.today.year}
  ) do |value|
    self.where([
      "extract(year from time_entries.date) = ?",
      value.to_i
    ])
  end

  filter(
    :month, :enum,
    :select => :month_select,
    :include_blank => false,
    :default => lambda {Date.today.month}
  ) do |value|

    self.where([
      "extract(month from time_entries.date) = ?",
      value.to_i
    ])
  end


  #
  # Columns
  #

  column(:user_name, :header => "Developer", :order => "users.name") do
    self.name
  end
  column(:project_name, :header => "Project", :order => "projects.name")
  column(
    :account_name,
    :header => "Company",
    :order => "accounts.name",
  ) do |model|
    format(model.account_name) do
      render :partial => "time_entries/company", :locals => {:model => model}
    end
  end

  column(:report_hours, order: "sum(time_entries.hours)")

  protected

  def year_select
    TimeEntry.all.any? ? (TimeEntry.minimum(:date).year..TimeEntry.maximum(:date).year) : []
  end
  def month_select
    Date::MONTHNAMES[1..12].enum_for(:each_with_index).collect {|name, index| [name, index + 1]}
  end

  def project_id_select
    Project.all.map {|p| [p.name, p.id]}
  end
end

Controller:

class TimeEntriesController < ApplicationController

  def index
    @time_entries_grid = TimeEntriesGrid.new(params[:g]) do |scope|
      scope.page(params[:page] )
    end
  end
end

View:

.grid-index-grid
  %div{class: 'overflow-x-auto p-4'}
    = datagrid_form_with model: @time_entries_grid, url: time_entries_path
    %br/
    = datagrid_table(@time_entries_grid)
    = paginate @time_entries_grid.assets, window: 2
  %div
    = render :partial => "shared/source", :object => @time_entries_grid