DatagridDemo

Developer ↑ ↓	Project ↑ ↓	Company ↑ ↓	Report hours ↑ ↓
Jeanne Witting	quibusdam sed sit	Apple	31.0
Jewell Kreiger	quibusdam sed sit	Apple	56.0
Jewell Swaniawski	quibusdam sed sit	Apple	67.0
Joelle Hodkiewicz	quibusdam sed sit	Apple	47.0
Johnny Spinka	quibusdam sed sit	Apple	51.0
Jon Lindgren	quibusdam sed sit	Apple	64.0
Juliana Hauck	quibusdam sed sit	Apple	78.0
Kaye Greenfelder	quibusdam sed sit	Apple	58.0
Kellie Cassin	quibusdam sed sit	Apple	53.0
Lesia Hyatt	quibusdam sed sit	Apple	81.0
Li Considine	quibusdam sed sit	Apple	87.0
Lillie Hamill	quibusdam sed sit	Apple	43.0
Lynell Stamm	quibusdam sed sit	Apple	67.0
Malvina Zulauf	quibusdam sed sit	Apple	13.0
Marna Ritchie	quibusdam sed sit	Apple	81.0
Maryanna Medhurst	quibusdam sed sit	Apple	52.0
Micheal Jenkins	quibusdam sed sit	Apple	98.0
Milagros Lemke	quibusdam sed sit	Apple	66.0
Mi Prosacco	quibusdam sed sit	Apple	66.0
Myriam Von	quibusdam sed sit	Apple	54.0
Myrtle O'Conner	quibusdam sed sit	Apple	40.0
Nelson Leannon	quibusdam sed sit	Apple	74.0
Ophelia Hermiston	quibusdam sed sit	Apple	52.0
Palmira Fay	quibusdam sed sit	Apple	54.0
Pearlie McGlynn	quibusdam sed sit	Apple	96.0

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>