DatagridDemo

Developer ↑ ↓	Project ↑ ↓	Company ↑ ↓	Report hours ↑ ↓
Desmond Murray	saepe hic temporibus	Microsoft	69.0
Dona Gutkowski	saepe hic temporibus	Microsoft	68.0
Dorthey Turner	saepe hic temporibus	Microsoft	66.0
Elenora Brakus	saepe hic temporibus	Microsoft	84.0
Eleonore Wisozk	saepe hic temporibus	Microsoft	106.0
Elida Zulauf	saepe hic temporibus	Microsoft	56.0
Elisa Wintheiser	saepe hic temporibus	Microsoft	34.0
Elise Waelchi	saepe hic temporibus	Microsoft	80.0
Elli Dietrich	saepe hic temporibus	Microsoft	55.0
Elsa Goodwin	saepe hic temporibus	Microsoft	101.0
Ethyl Ankunding	saepe hic temporibus	Microsoft	82.0
Evangelina Pfeffer	saepe hic temporibus	Microsoft	43.0
Felisa Jaskolski	saepe hic temporibus	Microsoft	62.0
Flavia Will	saepe hic temporibus	Microsoft	91.0
German Murphy	saepe hic temporibus	Microsoft	62.0
Gonzalo Blanda	saepe hic temporibus	Microsoft	55.0
Grace Kris	saepe hic temporibus	Microsoft	45.0
Gwendolyn Satterfield	saepe hic temporibus	Microsoft	84.0
Huong McKenzie	saepe hic temporibus	Microsoft	78.0
Imelda Heidenreich	saepe hic temporibus	Microsoft	72.0
Isidro McCullough	saepe hic temporibus	Microsoft	88.0
Jackson Kozey	saepe hic temporibus	Microsoft	59.0
Jamie Stehr	saepe hic temporibus	Microsoft	76.0
Jamison Hagenes	saepe hic temporibus	Microsoft	51.0
Jarvis Ryan	saepe hic temporibus	Microsoft	116.0

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