DatagridDemo

Developer ↑ ↓	Project ↑ ↓	Company ↑ ↓	Report hours ↑ ↓
Desmond Murray	quibusdam sed sit	Apple	66.0
Dona Gutkowski	quibusdam sed sit	Apple	33.0
Dorthey Turner	quibusdam sed sit	Apple	76.0
Elenora Brakus	quibusdam sed sit	Apple	69.0
Eleonore Wisozk	quibusdam sed sit	Apple	64.0
Elida Zulauf	quibusdam sed sit	Apple	55.0
Elisa Wintheiser	quibusdam sed sit	Apple	68.0
Elise Waelchi	quibusdam sed sit	Apple	96.0
Elli Dietrich	quibusdam sed sit	Apple	88.0
Elsa Goodwin	quibusdam sed sit	Apple	39.0
Ethyl Ankunding	quibusdam sed sit	Apple	49.0
Evangelina Pfeffer	quibusdam sed sit	Apple	62.0
Felisa Jaskolski	quibusdam sed sit	Apple	61.0
Flavia Will	quibusdam sed sit	Apple	65.0
German Murphy	quibusdam sed sit	Apple	38.0
Gonzalo Blanda	quibusdam sed sit	Apple	88.0
Grace Kris	quibusdam sed sit	Apple	62.0
Gwendolyn Satterfield	quibusdam sed sit	Apple	40.0
Huong McKenzie	quibusdam sed sit	Apple	52.0
Imelda Heidenreich	quibusdam sed sit	Apple	57.0
Isidro McCullough	quibusdam sed sit	Apple	59.0
Jackson Kozey	quibusdam sed sit	Apple	47.0
Jamie Stehr	quibusdam sed sit	Apple	82.0
Jamison Hagenes	quibusdam sed sit	Apple	56.0
Jarvis Ryan	quibusdam sed sit	Apple	49.0

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>