DatagridDemo

Developer ↑ ↓	Project ↑ ↓	Company ↑ ↓	Report hours ↑ ↓
Penney Schowalter	quibusdam sed sit	Apple	79.0
Raquel Runolfsson	quibusdam sed sit	Apple	58.0
Rebecca Rempel	quibusdam sed sit	Apple	76.0
Reinaldo Heidenreich	quibusdam sed sit	Apple	51.0
Rossana Schneider	quibusdam sed sit	Apple	83.0
Royce Spencer	quibusdam sed sit	Apple	48.0
Salley Kilback	quibusdam sed sit	Apple	73.0
Shane Glover	quibusdam sed sit	Apple	98.0
Shannon Botsford	quibusdam sed sit	Apple	110.0
Shara Labadie	quibusdam sed sit	Apple	33.0
Sixta Bashirian	quibusdam sed sit	Apple	54.0
Sylvester Hane	quibusdam sed sit	Apple	62.0
Tamera Bogan	quibusdam sed sit	Apple	74.0
Tami Gibson	quibusdam sed sit	Apple	75.0
Tamika Cronin	quibusdam sed sit	Apple	63.0
Terisa Ruecker	quibusdam sed sit	Apple	76.0
Tess Nikolaus	quibusdam sed sit	Apple	104.0
Thaddeus Stanton	quibusdam sed sit	Apple	43.0
Treena Wolf	quibusdam sed sit	Apple	62.0
Verla Friesen	quibusdam sed sit	Apple	65.0
Vernia Dietrich	quibusdam sed sit	Apple	75.0
Vivien Murray	quibusdam sed sit	Apple	53.0
Wen Daniel	quibusdam sed sit	Apple	57.0
Wiley Wuckert	quibusdam sed sit	Apple	91.0
Winfred Franecki	quibusdam sed sit	Apple	95.0

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>