DatagridDemo

Developer ↑ ↓	Project ↑ ↓	Company ↑ ↓	Report hours ↑ ↓
Adrienne Eichmann	saepe hic temporibus	Microsoft	55.0
Alex Legros	saepe hic temporibus	Microsoft	49.0
Alise Rolfson	saepe hic temporibus	Microsoft	68.0
Almeta Adams	saepe hic temporibus	Microsoft	59.0
Arnita Smith	saepe hic temporibus	Microsoft	68.0
Ashleigh Kris	saepe hic temporibus	Microsoft	78.0
Awilda Schumm	saepe hic temporibus	Microsoft	103.0
Benita Thompson	saepe hic temporibus	Microsoft	44.0
Beverlee Auer	saepe hic temporibus	Microsoft	103.0
Blake Hoppe	saepe hic temporibus	Microsoft	48.0
Bok Wolf	saepe hic temporibus	Microsoft	37.0
Bong Witting	saepe hic temporibus	Microsoft	84.0
Bridgett Reilly	saepe hic temporibus	Microsoft	56.0
Brigid McLaughlin	saepe hic temporibus	Microsoft	36.0
Britney Ruecker	saepe hic temporibus	Microsoft	84.0
Carlota Gottlieb	saepe hic temporibus	Microsoft	65.0
Cathey Prohaska	saepe hic temporibus	Microsoft	27.0
Cherly Kovacek	saepe hic temporibus	Microsoft	31.0
Claudette Hagenes	saepe hic temporibus	Microsoft	37.0
Clifton Hintz	saepe hic temporibus	Microsoft	42.0
Crissy Brekke	saepe hic temporibus	Microsoft	90.0
Cristopher Dooley	saepe hic temporibus	Microsoft	74.0
Dahlia Hilll	saepe hic temporibus	Microsoft	34.0
Dania Crona	saepe hic temporibus	Microsoft	57.0
Deja Corkery	saepe hic temporibus	Microsoft	45.0

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