DatagridDemo

Developer ↑ ↓	Project ↑ ↓	Company ↑ ↓	Report hours ↑ ↓
Desmond Murray	quibusdam sed sit	Apple	72.0
Dona Gutkowski	quibusdam sed sit	Apple	57.0
Dorthey Turner	quibusdam sed sit	Apple	48.0
Elenora Brakus	quibusdam sed sit	Apple	64.0
Eleonore Wisozk	quibusdam sed sit	Apple	108.0
Elida Zulauf	quibusdam sed sit	Apple	57.0
Elisa Wintheiser	quibusdam sed sit	Apple	51.0
Elise Waelchi	quibusdam sed sit	Apple	64.0
Elli Dietrich	quibusdam sed sit	Apple	60.0
Elsa Goodwin	quibusdam sed sit	Apple	56.0
Ethyl Ankunding	quibusdam sed sit	Apple	74.0
Evangelina Pfeffer	quibusdam sed sit	Apple	65.0
Felisa Jaskolski	quibusdam sed sit	Apple	90.0
Flavia Will	quibusdam sed sit	Apple	46.0
German Murphy	quibusdam sed sit	Apple	80.0
Gonzalo Blanda	quibusdam sed sit	Apple	29.0
Grace Kris	quibusdam sed sit	Apple	90.0
Gwendolyn Satterfield	quibusdam sed sit	Apple	80.0
Huong McKenzie	quibusdam sed sit	Apple	33.0
Imelda Heidenreich	quibusdam sed sit	Apple	58.0
Isidro McCullough	quibusdam sed sit	Apple	38.0
Jackson Kozey	quibusdam sed sit	Apple	57.0
Jamie Stehr	quibusdam sed sit	Apple	59.0
Jamison Hagenes	quibusdam sed sit	Apple	42.0
Jarvis Ryan	quibusdam sed sit	Apple	58.0

Grid:

class TimeEntriesGrid < BaseGrid

  #
  # 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 => lambda {Project.all.map {|p| [p.name, p.id]}},
    :multiple => true,
    :include_blank => false
  ) do |value|
    self.where(:time_entries => {:project_id => value})
  end


  filter(:year, :enum,
         :select => lambda { TimeEntry.all.any? ? (TimeEntry.minimum(:date).year..TimeEntry.maximum(:date).year) : []},
    :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 => Date::MONTHNAMES[1..12].enum_for(:each_with_index).collect {|name, index| [name, index + 1]},
         :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)")

end

Controller:

class TimeEntriesController < ApplicationController

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

View:


<h3>Time Entries Grid</h3>


<div class="left">
  <%= datagrid_form_for @time_entries_grid, url: time_entries_path %>
  <br/>

  <%= datagrid_table(@time_entries_grid) %>
  <%= paginate @time_entries_grid.assets %>

</div>

<div class="right">
  <%= render :partial => "shared/source", :object => @time_entries_grid %>
</div>