DatagridDemo

Developer ↑ ↓	Project ↑ ↓	Company ↑ ↓	Report hours ↑ ↓
Huong McKenzie	perspiciatis totam perferendis	Apple	71.0
Crissy Brekke	saepe hic temporibus	Microsoft	71.0
Jackson Kozey	repudiandae officiis qui	Google	71.0
Arnita Smith	odio velit repudiandae	Apple	71.0
Joelle Hodkiewicz	saepe hic temporibus	Microsoft	71.0
Awilda Schumm	vitae eum pariatur	Google	71.0
Jarvis Ryan	saepe hic temporibus	Microsoft	71.0
Thaddeus Stanton	quibusdam sed sit	Apple	71.0
Palmira Fay	animi aperiam tenetur	Google	71.0
Ashleigh Kris	quibusdam sed sit	Apple	71.0
Shara Labadie	doloribus hic corporis	Microsoft	71.0
Vivien Murray	quibusdam sed sit	Apple	71.0
Lesia Hyatt	animi aperiam tenetur	Google	71.0
Beverlee Auer	doloribus hic corporis	Microsoft	71.0
Elsa Goodwin	repudiandae officiis qui	Google	71.0
Elise Waelchi	suscipit consectetur beatae	Google	72.0
Deja Corkery	vitae eum pariatur	Google	72.0
Micheal Jenkins	vitae eum pariatur	Google	72.0
Treena Wolf	doloribus hic corporis	Microsoft	72.0
Lynell Stamm	vitae eum pariatur	Google	72.0
Thaddeus Stanton	doloribus hic corporis	Microsoft	72.0
Bok Wolf	quibusdam sed sit	Apple	72.0
Imelda Heidenreich	saepe hic temporibus	Microsoft	72.0
Raquel Runolfsson	doloribus hic corporis	Microsoft	72.0
Benita Thompson	odio velit repudiandae	Apple	72.0

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>