DatagridDemo

Developer ↑ ↓	Project ↑ ↓	Company ↑ ↓	Report hours ↑ ↓
Lesia Hyatt	odio velit repudiandae	Apple	73.0
Salley Kilback	quibusdam sed sit	Apple	73.0
Bridgett Reilly	repudiandae officiis qui	Google	73.0
Jewell Kreiger	repudiandae officiis qui	Google	73.0
Claudette Hagenes	perspiciatis totam perferendis	Apple	73.0
Raquel Runolfsson	suscipit consectetur beatae	Google	73.0
Crissy Brekke	saepe hic temporibus	Microsoft	73.0
Elli Dietrich	doloribus hic corporis	Microsoft	73.0
Reinaldo Heidenreich	vitae eum pariatur	Google	73.0
Vivien Murray	odio velit repudiandae	Apple	72.0
Dona Gutkowski	repudiandae officiis qui	Google	72.0
Tamika Cronin	saepe hic temporibus	Microsoft	72.0
Ashleigh Kris	animi aperiam tenetur	Google	72.0
Benita Thompson	vitae eum pariatur	Google	72.0
Mi Prosacco	suscipit consectetur beatae	Google	72.0
Rossana Schneider	vitae eum pariatur	Google	72.0
Ethyl Ankunding	repudiandae officiis qui	Google	72.0
Grace Kris	quibusdam sed sit	Apple	72.0
Lynell Stamm	doloribus hic corporis	Microsoft	72.0
Reinaldo Heidenreich	suscipit consectetur beatae	Google	72.0
Desmond Murray	quibusdam sed sit	Apple	72.0
Adrienne Eichmann	perspiciatis totam perferendis	Apple	72.0
Jackson Kozey	eum amet quia	Google	71.0
Dona Gutkowski	quibusdam sed sit	Apple	71.0
Jackson Kozey	suscipit consectetur beatae	Google	71.0

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>