class Reparty::Report::ActiveRecord

Attributes

field[R]
model[R]
operation[R]

Public Class Methods

new(*args, &block) click to toggle source
Calls superclass method Reparty::Report::new
# File lib/reparty/report/active_record.rb, line 9
def initialize(*args, &block)
  super(args.shift, args.shift)

  if args.first.is_a?(Symbol)
    @model = Kernel.const_get(args.first.to_s.capitalize)
  elsif args.first.is_a?(::ActiveRecord::Relation)
    @model = args.first
  else
    raise "Report::ActiveRecord: model undefined"
  end

  @operation = args.fetch(1, :count)
  @field = :created_at

  if args.last.is_a?(Hash)
    @field = args.last.fetch(:field, @field)
  end

  @color = "#85bdad"
end

Public Instance Methods

attach(attachments) click to toggle source
# File lib/reparty/report/active_record.rb, line 30
def attach(attachments)
  @graph = @operation == :total ? build_daily_area_graph : build_daily_bar_graph

  @graph.data(@model.to_s.pluralize, daily_dataset, @graph.colors[@@color_index])
  @@color_index = (@@color_index + 1) % @graph.colors.length

  attachments.inline["#{self.hash}.png"] = @graph.to_blob
end
daily_dataset() click to toggle source
# File lib/reparty/report/active_record.rb, line 39
def daily_dataset
  if @operation == :total
    6.downto(0).map { |x| @model.where("#{@field.to_s} < ?", DateTime.now.utc.at_midnight-x).send(:count, @field) }
  else
    7.downto(1).map { |x| @model.where("DATE(#{@field.to_s}) = ?", DateTime.now.utc.to_date-x).send(@operation, @field) }
  end
end
total() click to toggle source
# File lib/reparty/report/active_record.rb, line 52
def total
  op = @operation == :total ? :count : @operation
  @model.send(op, @field)
end
yesterday() click to toggle source
# File lib/reparty/report/active_record.rb, line 47
def yesterday
  op = @operation == :total ? :count : @operation
  @model.where("DATE(#{@field.to_s}) = ?", DateTime.now.utc.to_date-1).send(op, @field)
end