DatagridDemo

Developer ↑ ↓	Project ↑ ↓	Company ↑ ↓	Report hours ↑ ↓
Jeanne Witting	quibusdam sed sit	Apple	67.0
Jewell Kreiger	quibusdam sed sit	Apple	52.0
Jewell Swaniawski	quibusdam sed sit	Apple	71.0
Joelle Hodkiewicz	quibusdam sed sit	Apple	100.0
Johnny Spinka	quibusdam sed sit	Apple	73.0
Jon Lindgren	quibusdam sed sit	Apple	88.0
Juliana Hauck	quibusdam sed sit	Apple	92.0
Kaye Greenfelder	quibusdam sed sit	Apple	64.0
Kellie Cassin	quibusdam sed sit	Apple	27.0
Lesia Hyatt	quibusdam sed sit	Apple	49.0
Li Considine	quibusdam sed sit	Apple	56.0
Lillie Hamill	quibusdam sed sit	Apple	46.0
Lynell Stamm	quibusdam sed sit	Apple	58.0
Malvina Zulauf	quibusdam sed sit	Apple	31.0
Marna Ritchie	quibusdam sed sit	Apple	69.0
Maryanna Medhurst	quibusdam sed sit	Apple	68.0
Micheal Jenkins	quibusdam sed sit	Apple	71.0
Milagros Lemke	quibusdam sed sit	Apple	58.0
Mi Prosacco	quibusdam sed sit	Apple	70.0
Myriam Von	quibusdam sed sit	Apple	68.0
Myrtle O'Conner	quibusdam sed sit	Apple	93.0
Nelson Leannon	quibusdam sed sit	Apple	72.0
Ophelia Hermiston	quibusdam sed sit	Apple	56.0
Palmira Fay	quibusdam sed sit	Apple	30.0
Pearlie McGlynn	quibusdam sed sit	Apple	66.0

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>