DatagridDemo

Developer ↑ ↓	Project ↑ ↓	Company ↑ ↓	Report hours ↑ ↓
Jeanne Witting	quibusdam sed sit	Apple	64.0
Jewell Kreiger	quibusdam sed sit	Apple	46.0
Jewell Swaniawski	quibusdam sed sit	Apple	73.0
Joelle Hodkiewicz	quibusdam sed sit	Apple	52.0
Johnny Spinka	quibusdam sed sit	Apple	54.0
Jon Lindgren	quibusdam sed sit	Apple	71.0
Juliana Hauck	quibusdam sed sit	Apple	70.0
Kaye Greenfelder	quibusdam sed sit	Apple	63.0
Kellie Cassin	quibusdam sed sit	Apple	61.0
Lesia Hyatt	quibusdam sed sit	Apple	45.0
Li Considine	quibusdam sed sit	Apple	73.0
Lillie Hamill	quibusdam sed sit	Apple	53.0
Lynell Stamm	quibusdam sed sit	Apple	67.0
Malvina Zulauf	quibusdam sed sit	Apple	46.0
Marna Ritchie	quibusdam sed sit	Apple	100.0
Maryanna Medhurst	quibusdam sed sit	Apple	48.0
Micheal Jenkins	quibusdam sed sit	Apple	76.0
Milagros Lemke	quibusdam sed sit	Apple	56.0
Mi Prosacco	quibusdam sed sit	Apple	45.0
Myriam Von	quibusdam sed sit	Apple	82.0
Myrtle O'Conner	quibusdam sed sit	Apple	56.0
Nelson Leannon	quibusdam sed sit	Apple	48.0
Ophelia Hermiston	quibusdam sed sit	Apple	88.0
Palmira Fay	quibusdam sed sit	Apple	62.0
Pearlie McGlynn	quibusdam sed sit	Apple	91.0

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>