DatagridDemo

Developer ↑ ↓	Project ↑ ↓	Company ↑ ↓	Report hours ↑ ↓
Jeanne Witting	quibusdam sed sit	Apple	65.0
Jewell Kreiger	quibusdam sed sit	Apple	53.0
Jewell Swaniawski	quibusdam sed sit	Apple	50.0
Joelle Hodkiewicz	quibusdam sed sit	Apple	67.0
Johnny Spinka	quibusdam sed sit	Apple	47.0
Jon Lindgren	quibusdam sed sit	Apple	53.0
Juliana Hauck	quibusdam sed sit	Apple	56.0
Kaye Greenfelder	quibusdam sed sit	Apple	48.0
Kellie Cassin	quibusdam sed sit	Apple	70.0
Lesia Hyatt	quibusdam sed sit	Apple	55.0
Li Considine	quibusdam sed sit	Apple	50.0
Lillie Hamill	quibusdam sed sit	Apple	71.0
Lynell Stamm	quibusdam sed sit	Apple	67.0
Malvina Zulauf	quibusdam sed sit	Apple	61.0
Marna Ritchie	quibusdam sed sit	Apple	83.0
Maryanna Medhurst	quibusdam sed sit	Apple	48.0
Micheal Jenkins	quibusdam sed sit	Apple	86.0
Milagros Lemke	quibusdam sed sit	Apple	62.0
Mi Prosacco	quibusdam sed sit	Apple	67.0
Myriam Von	quibusdam sed sit	Apple	53.0
Myrtle O'Conner	quibusdam sed sit	Apple	73.0
Nelson Leannon	quibusdam sed sit	Apple	49.0
Ophelia Hermiston	quibusdam sed sit	Apple	85.0
Palmira Fay	quibusdam sed sit	Apple	56.0
Pearlie McGlynn	quibusdam sed sit	Apple	46.0

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