DatagridDemo

Developer ↑ ↓	Project ↑ ↓	Company ↑ ↓	Report hours ↑ ↓
Adrienne Eichmann	saepe hic temporibus	Microsoft	32.0
Alex Legros	saepe hic temporibus	Microsoft	40.0
Alise Rolfson	saepe hic temporibus	Microsoft	84.0
Almeta Adams	saepe hic temporibus	Microsoft	49.0
Arnita Smith	saepe hic temporibus	Microsoft	56.0
Ashleigh Kris	saepe hic temporibus	Microsoft	89.0
Awilda Schumm	saepe hic temporibus	Microsoft	92.0
Benita Thompson	saepe hic temporibus	Microsoft	65.0
Beverlee Auer	saepe hic temporibus	Microsoft	76.0
Blake Hoppe	saepe hic temporibus	Microsoft	53.0
Bok Wolf	saepe hic temporibus	Microsoft	63.0
Bong Witting	saepe hic temporibus	Microsoft	59.0
Bridgett Reilly	saepe hic temporibus	Microsoft	81.0
Brigid McLaughlin	saepe hic temporibus	Microsoft	105.0
Britney Ruecker	saepe hic temporibus	Microsoft	57.0
Carlota Gottlieb	saepe hic temporibus	Microsoft	50.0
Cathey Prohaska	saepe hic temporibus	Microsoft	85.0
Cherly Kovacek	saepe hic temporibus	Microsoft	77.0
Claudette Hagenes	saepe hic temporibus	Microsoft	59.0
Clifton Hintz	saepe hic temporibus	Microsoft	63.0
Crissy Brekke	saepe hic temporibus	Microsoft	83.0
Cristopher Dooley	saepe hic temporibus	Microsoft	54.0
Dahlia Hilll	saepe hic temporibus	Microsoft	68.0
Dania Crona	saepe hic temporibus	Microsoft	76.0
Deja Corkery	saepe hic temporibus	Microsoft	44.0

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>