DatagridDemo

Developer ↑ ↓	Project ↑ ↓	Company ↑ ↓	Report hours ↑ ↓
Desmond Murray	quibusdam sed sit	Apple	72.0
Dona Gutkowski	quibusdam sed sit	Apple	71.0
Dorthey Turner	quibusdam sed sit	Apple	53.0
Elenora Brakus	quibusdam sed sit	Apple	50.0
Eleonore Wisozk	quibusdam sed sit	Apple	42.0
Elida Zulauf	quibusdam sed sit	Apple	86.0
Elisa Wintheiser	quibusdam sed sit	Apple	55.0
Elise Waelchi	quibusdam sed sit	Apple	53.0
Elli Dietrich	quibusdam sed sit	Apple	71.0
Elsa Goodwin	quibusdam sed sit	Apple	58.0
Ethyl Ankunding	quibusdam sed sit	Apple	49.0
Evangelina Pfeffer	quibusdam sed sit	Apple	84.0
Felisa Jaskolski	quibusdam sed sit	Apple	121.0
Flavia Will	quibusdam sed sit	Apple	66.0
German Murphy	quibusdam sed sit	Apple	63.0
Gonzalo Blanda	quibusdam sed sit	Apple	55.0
Grace Kris	quibusdam sed sit	Apple	72.0
Gwendolyn Satterfield	quibusdam sed sit	Apple	40.0
Huong McKenzie	quibusdam sed sit	Apple	61.0
Imelda Heidenreich	quibusdam sed sit	Apple	67.0
Isidro McCullough	quibusdam sed sit	Apple	79.0
Jackson Kozey	quibusdam sed sit	Apple	53.0
Jamie Stehr	quibusdam sed sit	Apple	77.0
Jamison Hagenes	quibusdam sed sit	Apple	38.0
Jarvis Ryan	quibusdam sed sit	Apple	86.0

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>