DatagridDemo

Developer ↑ ↓	Project ↑ ↓	Company ↑ ↓	Report hours ↑ ↓
Desmond Murray	quibusdam sed sit	Apple	67.0
Dona Gutkowski	quibusdam sed sit	Apple	92.0
Dorthey Turner	quibusdam sed sit	Apple	59.0
Elenora Brakus	quibusdam sed sit	Apple	75.0
Eleonore Wisozk	quibusdam sed sit	Apple	76.0
Elida Zulauf	quibusdam sed sit	Apple	70.0
Elisa Wintheiser	quibusdam sed sit	Apple	32.0
Elise Waelchi	quibusdam sed sit	Apple	61.0
Elli Dietrich	quibusdam sed sit	Apple	71.0
Elsa Goodwin	quibusdam sed sit	Apple	34.0
Ethyl Ankunding	quibusdam sed sit	Apple	72.0
Evangelina Pfeffer	quibusdam sed sit	Apple	50.0
Felisa Jaskolski	quibusdam sed sit	Apple	88.0
Flavia Will	quibusdam sed sit	Apple	69.0
German Murphy	quibusdam sed sit	Apple	41.0
Gonzalo Blanda	quibusdam sed sit	Apple	63.0
Grace Kris	quibusdam sed sit	Apple	80.0
Gwendolyn Satterfield	quibusdam sed sit	Apple	63.0
Huong McKenzie	quibusdam sed sit	Apple	73.0
Imelda Heidenreich	quibusdam sed sit	Apple	37.0
Isidro McCullough	quibusdam sed sit	Apple	58.0
Jackson Kozey	quibusdam sed sit	Apple	62.0
Jamie Stehr	quibusdam sed sit	Apple	71.0
Jamison Hagenes	quibusdam sed sit	Apple	68.0
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>