DatagridDemo

Developer ↑ ↓	Project ↑ ↓	Company ↑ ↓	Report hours ↑ ↓
Adrienne Eichmann	saepe hic temporibus	Microsoft	52.0
Alex Legros	saepe hic temporibus	Microsoft	43.0
Alise Rolfson	saepe hic temporibus	Microsoft	62.0
Almeta Adams	saepe hic temporibus	Microsoft	73.0
Arnita Smith	saepe hic temporibus	Microsoft	51.0
Ashleigh Kris	saepe hic temporibus	Microsoft	66.0
Awilda Schumm	saepe hic temporibus	Microsoft	50.0
Benita Thompson	saepe hic temporibus	Microsoft	80.0
Beverlee Auer	saepe hic temporibus	Microsoft	62.0
Blake Hoppe	saepe hic temporibus	Microsoft	55.0
Bok Wolf	saepe hic temporibus	Microsoft	41.0
Bong Witting	saepe hic temporibus	Microsoft	54.0
Bridgett Reilly	saepe hic temporibus	Microsoft	70.0
Brigid McLaughlin	saepe hic temporibus	Microsoft	63.0
Britney Ruecker	saepe hic temporibus	Microsoft	65.0
Carlota Gottlieb	saepe hic temporibus	Microsoft	65.0
Cathey Prohaska	saepe hic temporibus	Microsoft	99.0
Cherly Kovacek	saepe hic temporibus	Microsoft	49.0
Claudette Hagenes	saepe hic temporibus	Microsoft	56.0
Clifton Hintz	saepe hic temporibus	Microsoft	79.0
Crissy Brekke	saepe hic temporibus	Microsoft	40.0
Cristopher Dooley	saepe hic temporibus	Microsoft	143.0
Dahlia Hilll	saepe hic temporibus	Microsoft	54.0
Dania Crona	saepe hic temporibus	Microsoft	80.0
Deja Corkery	saepe hic temporibus	Microsoft	49.0

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