DatagridDemo

Developer ↑ ↓	Project ↑ ↓	Company ↑ ↓	Report hours ↑ ↓
Adrienne Eichmann	saepe hic temporibus	Microsoft	81.0
Alex Legros	saepe hic temporibus	Microsoft	88.0
Alise Rolfson	saepe hic temporibus	Microsoft	64.0
Almeta Adams	saepe hic temporibus	Microsoft	87.0
Arnita Smith	saepe hic temporibus	Microsoft	40.0
Ashleigh Kris	saepe hic temporibus	Microsoft	71.0
Awilda Schumm	saepe hic temporibus	Microsoft	55.0
Benita Thompson	saepe hic temporibus	Microsoft	58.0
Beverlee Auer	saepe hic temporibus	Microsoft	78.0
Blake Hoppe	saepe hic temporibus	Microsoft	88.0
Bok Wolf	saepe hic temporibus	Microsoft	61.0
Bong Witting	saepe hic temporibus	Microsoft	78.0
Bridgett Reilly	saepe hic temporibus	Microsoft	52.0
Brigid McLaughlin	saepe hic temporibus	Microsoft	67.0
Britney Ruecker	saepe hic temporibus	Microsoft	84.0
Carlota Gottlieb	saepe hic temporibus	Microsoft	65.0
Cathey Prohaska	saepe hic temporibus	Microsoft	94.0
Cherly Kovacek	saepe hic temporibus	Microsoft	62.0
Claudette Hagenes	saepe hic temporibus	Microsoft	57.0
Clifton Hintz	saepe hic temporibus	Microsoft	63.0
Crissy Brekke	saepe hic temporibus	Microsoft	73.0
Cristopher Dooley	saepe hic temporibus	Microsoft	79.0
Dahlia Hilll	saepe hic temporibus	Microsoft	55.0
Dania Crona	saepe hic temporibus	Microsoft	95.0
Deja Corkery	saepe hic temporibus	Microsoft	73.0

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>