DatagridDemo

Developer ↑ ↓	Project ↑ ↓	Company ↑ ↓	Report hours ↑ ↓
Adrienne Eichmann	quibusdam sed sit	Apple	33.0
Alex Legros	quibusdam sed sit	Apple	92.0
Alise Rolfson	quibusdam sed sit	Apple	48.0
Almeta Adams	quibusdam sed sit	Apple	47.0
Arnita Smith	quibusdam sed sit	Apple	40.0
Ashleigh Kris	quibusdam sed sit	Apple	57.0
Awilda Schumm	quibusdam sed sit	Apple	75.0
Benita Thompson	quibusdam sed sit	Apple	47.0
Beverlee Auer	quibusdam sed sit	Apple	61.0
Blake Hoppe	quibusdam sed sit	Apple	69.0
Bok Wolf	quibusdam sed sit	Apple	85.0
Bong Witting	quibusdam sed sit	Apple	58.0
Bridgett Reilly	quibusdam sed sit	Apple	95.0
Brigid McLaughlin	quibusdam sed sit	Apple	69.0
Britney Ruecker	quibusdam sed sit	Apple	54.0
Carlota Gottlieb	quibusdam sed sit	Apple	87.0
Cathey Prohaska	quibusdam sed sit	Apple	30.0
Cherly Kovacek	quibusdam sed sit	Apple	71.0
Claudette Hagenes	quibusdam sed sit	Apple	41.0
Clifton Hintz	quibusdam sed sit	Apple	52.0
Crissy Brekke	quibusdam sed sit	Apple	49.0
Cristopher Dooley	quibusdam sed sit	Apple	52.0
Dahlia Hilll	quibusdam sed sit	Apple	63.0
Dania Crona	quibusdam sed sit	Apple	78.0
Deja Corkery	quibusdam sed sit	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>