DatagridDemo

Developer ↑ ↓	Project ↑ ↓	Company ↑ ↓	Report hours ↑ ↓
Desmond Murray	saepe hic temporibus	Microsoft	39.0
Dona Gutkowski	saepe hic temporibus	Microsoft	53.0
Dorthey Turner	saepe hic temporibus	Microsoft	107.0
Elenora Brakus	saepe hic temporibus	Microsoft	63.0
Eleonore Wisozk	saepe hic temporibus	Microsoft	98.0
Elida Zulauf	saepe hic temporibus	Microsoft	99.0
Elisa Wintheiser	saepe hic temporibus	Microsoft	81.0
Elise Waelchi	saepe hic temporibus	Microsoft	98.0
Elli Dietrich	saepe hic temporibus	Microsoft	70.0
Elsa Goodwin	saepe hic temporibus	Microsoft	33.0
Ethyl Ankunding	saepe hic temporibus	Microsoft	73.0
Evangelina Pfeffer	saepe hic temporibus	Microsoft	59.0
Felisa Jaskolski	saepe hic temporibus	Microsoft	58.0
Flavia Will	saepe hic temporibus	Microsoft	112.0
German Murphy	saepe hic temporibus	Microsoft	63.0
Gonzalo Blanda	saepe hic temporibus	Microsoft	63.0
Grace Kris	saepe hic temporibus	Microsoft	87.0
Gwendolyn Satterfield	saepe hic temporibus	Microsoft	37.0
Huong McKenzie	saepe hic temporibus	Microsoft	74.0
Imelda Heidenreich	saepe hic temporibus	Microsoft	80.0
Isidro McCullough	saepe hic temporibus	Microsoft	65.0
Jackson Kozey	saepe hic temporibus	Microsoft	61.0
Jamie Stehr	saepe hic temporibus	Microsoft	78.0
Jamison Hagenes	saepe hic temporibus	Microsoft	52.0
Jarvis Ryan	saepe hic temporibus	Microsoft	91.0

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