DatagridDemo

Developer ↑ ↓	Project ↑ ↓	Company ↑ ↓	Report hours ↑ ↓
Jeanne Witting	quibusdam sed sit	Apple	33.0
Jewell Kreiger	quibusdam sed sit	Apple	59.0
Jewell Swaniawski	quibusdam sed sit	Apple	55.0
Joelle Hodkiewicz	quibusdam sed sit	Apple	51.0
Johnny Spinka	quibusdam sed sit	Apple	67.0
Jon Lindgren	quibusdam sed sit	Apple	51.0
Juliana Hauck	quibusdam sed sit	Apple	77.0
Kaye Greenfelder	quibusdam sed sit	Apple	80.0
Kellie Cassin	quibusdam sed sit	Apple	69.0
Lesia Hyatt	quibusdam sed sit	Apple	64.0
Li Considine	quibusdam sed sit	Apple	68.0
Lillie Hamill	quibusdam sed sit	Apple	66.0
Lynell Stamm	quibusdam sed sit	Apple	112.0
Malvina Zulauf	quibusdam sed sit	Apple	64.0
Marna Ritchie	quibusdam sed sit	Apple	59.0
Maryanna Medhurst	quibusdam sed sit	Apple	33.0
Micheal Jenkins	quibusdam sed sit	Apple	30.0
Milagros Lemke	quibusdam sed sit	Apple	72.0
Mi Prosacco	quibusdam sed sit	Apple	66.0
Myriam Von	quibusdam sed sit	Apple	81.0
Myrtle O'Conner	quibusdam sed sit	Apple	73.0
Nelson Leannon	quibusdam sed sit	Apple	72.0
Ophelia Hermiston	quibusdam sed sit	Apple	71.0
Palmira Fay	quibusdam sed sit	Apple	53.0
Pearlie McGlynn	quibusdam sed sit	Apple	82.0

Grid:

class TimeEntriesGrid < ApplicationGrid

  #
  # 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 => :project_id_select,
    :multiple => true,
    :include_blank => false
  ) do |value|
    self.where(:time_entries => {:project_id => value})
  end


  filter(
    :year, :enum,
    :select => :year_select,
    :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 => :month_select,
    :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)")

  protected

  def year_select
    TimeEntry.all.any? ? (TimeEntry.minimum(:date).year..TimeEntry.maximum(:date).year) : []
  end
  def month_select
    Date::MONTHNAMES[1..12].enum_for(:each_with_index).collect {|name, index| [name, index + 1]}
  end

  def project_id_select
    Project.all.map {|p| [p.name, p.id]}
  end
end

Controller:

class TimeEntriesController < ApplicationController

  def index
    @time_entries_grid = TimeEntriesGrid.new(params[:g]) do |scope|
      scope.page(params[:page] )
    end
  end
end

View:

.grid-index-grid
  %div{class: 'overflow-x-auto p-4'}
    = datagrid_form_with model: @time_entries_grid, url: time_entries_path
    %br/
    = datagrid_table(@time_entries_grid)
    = paginate @time_entries_grid.assets, window: 2
  %div
    = render :partial => "shared/source", :object => @time_entries_grid