DatagridDemo

Developer ↑ ↓	Project ↑ ↓	Company ↑ ↓	Report hours ↑ ↓
Penney Schowalter	quibusdam sed sit	Apple	82.0
Raquel Runolfsson	quibusdam sed sit	Apple	53.0
Rebecca Rempel	quibusdam sed sit	Apple	58.0
Reinaldo Heidenreich	quibusdam sed sit	Apple	50.0
Rossana Schneider	quibusdam sed sit	Apple	73.0
Royce Spencer	quibusdam sed sit	Apple	92.0
Salley Kilback	quibusdam sed sit	Apple	45.0
Shane Glover	quibusdam sed sit	Apple	50.0
Shannon Botsford	quibusdam sed sit	Apple	60.0
Shara Labadie	quibusdam sed sit	Apple	81.0
Sixta Bashirian	quibusdam sed sit	Apple	43.0
Sylvester Hane	quibusdam sed sit	Apple	131.0
Tamera Bogan	quibusdam sed sit	Apple	21.0
Tami Gibson	quibusdam sed sit	Apple	71.0
Tamika Cronin	quibusdam sed sit	Apple	91.0
Terisa Ruecker	quibusdam sed sit	Apple	64.0
Tess Nikolaus	quibusdam sed sit	Apple	55.0
Thaddeus Stanton	quibusdam sed sit	Apple	68.0
Treena Wolf	quibusdam sed sit	Apple	29.0
Verla Friesen	quibusdam sed sit	Apple	99.0
Vernia Dietrich	quibusdam sed sit	Apple	62.0
Vivien Murray	quibusdam sed sit	Apple	50.0
Wen Daniel	quibusdam sed sit	Apple	62.0
Wiley Wuckert	quibusdam sed sit	Apple	66.0
Winfred Franecki	quibusdam sed sit	Apple	64.0

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>