DatagridDemo

Developer ↑ ↓	Project ↑ ↓	Company ↑ ↓	Report hours ↑ ↓
Jeanne Witting	quibusdam sed sit	Apple	53.0
Jewell Kreiger	quibusdam sed sit	Apple	54.0
Jewell Swaniawski	quibusdam sed sit	Apple	57.0
Joelle Hodkiewicz	quibusdam sed sit	Apple	83.0
Johnny Spinka	quibusdam sed sit	Apple	47.0
Jon Lindgren	quibusdam sed sit	Apple	47.0
Juliana Hauck	quibusdam sed sit	Apple	84.0
Kaye Greenfelder	quibusdam sed sit	Apple	49.0
Kellie Cassin	quibusdam sed sit	Apple	81.0
Lesia Hyatt	quibusdam sed sit	Apple	58.0
Li Considine	quibusdam sed sit	Apple	71.0
Lillie Hamill	quibusdam sed sit	Apple	70.0
Lynell Stamm	quibusdam sed sit	Apple	119.0
Malvina Zulauf	quibusdam sed sit	Apple	44.0
Marna Ritchie	quibusdam sed sit	Apple	74.0
Maryanna Medhurst	quibusdam sed sit	Apple	88.0
Micheal Jenkins	quibusdam sed sit	Apple	89.0
Milagros Lemke	quibusdam sed sit	Apple	50.0
Mi Prosacco	quibusdam sed sit	Apple	73.0
Myriam Von	quibusdam sed sit	Apple	15.0
Myrtle O'Conner	quibusdam sed sit	Apple	63.0
Nelson Leannon	quibusdam sed sit	Apple	49.0
Ophelia Hermiston	quibusdam sed sit	Apple	50.0
Palmira Fay	quibusdam sed sit	Apple	77.0
Pearlie McGlynn	quibusdam sed sit	Apple	66.0

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