DatagridDemo

Developer ↑ ↓	Project ↑ ↓	Company ↑ ↓	Report hours ↑ ↓
Adrienne Eichmann	saepe hic temporibus	Microsoft	59.0
Alex Legros	saepe hic temporibus	Microsoft	49.0
Alise Rolfson	saepe hic temporibus	Microsoft	38.0
Almeta Adams	saepe hic temporibus	Microsoft	25.0
Arnita Smith	saepe hic temporibus	Microsoft	74.0
Ashleigh Kris	saepe hic temporibus	Microsoft	49.0
Awilda Schumm	saepe hic temporibus	Microsoft	90.0
Benita Thompson	saepe hic temporibus	Microsoft	53.0
Beverlee Auer	saepe hic temporibus	Microsoft	76.0
Blake Hoppe	saepe hic temporibus	Microsoft	77.0
Bok Wolf	saepe hic temporibus	Microsoft	31.0
Bong Witting	saepe hic temporibus	Microsoft	63.0
Bridgett Reilly	saepe hic temporibus	Microsoft	59.0
Brigid McLaughlin	saepe hic temporibus	Microsoft	20.0
Britney Ruecker	saepe hic temporibus	Microsoft	74.0
Carlota Gottlieb	saepe hic temporibus	Microsoft	35.0
Cathey Prohaska	saepe hic temporibus	Microsoft	101.0
Cherly Kovacek	saepe hic temporibus	Microsoft	17.0
Claudette Hagenes	saepe hic temporibus	Microsoft	66.0
Clifton Hintz	saepe hic temporibus	Microsoft	59.0
Crissy Brekke	saepe hic temporibus	Microsoft	71.0
Cristopher Dooley	saepe hic temporibus	Microsoft	44.0
Dahlia Hilll	saepe hic temporibus	Microsoft	109.0
Dania Crona	saepe hic temporibus	Microsoft	76.0
Deja Corkery	saepe hic temporibus	Microsoft	68.0

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>