Class: Analytics

Inherits:
Object
  • Object
show all
Defined in:
lib/mountain-goat/analytics.rb

Class Method Summary collapse

Class Method Details

.convert_date_to_javascript_time(item, dimension) ⇒ Object 



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# File 'lib/mountain-goat/analytics.rb', line 54

def self.convert_date_to_javascript_time(item, dimension)
  item.each do |i|
    date = i.send(dimension)
    i[dimension] = Time.utc(date.year, date.month, date.day).to_i * 1000
  end
end

.hash_color(str) ⇒ Object 



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# File 'lib/mountain-goat/analytics.rb', line 97

def self.hash_color(str)
   s = ( ( 7.times.map { str }.join.hash ** 2 ) % 2**24 ).to_s(16)
   (6 - s.length).times.map { "0" }.join << s
end

.insert_missing_dates_as_zero_through_today(item, dimension, start, valuemap) ⇒ Object 



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# File 'lib/mountain-goat/analytics.rb', line 21

def self.insert_missing_dates_as_zero_through_today(item, dimension, start, valuemap)
  #assume sorted object-- and that dates are on day-intervals
  
  result = []
  running_date = start #item[0].send(dimension)
  i = 0

  while running_date < ( Date.today + 1 )
    if i >= item.count
      break if running_date >= Date.today #skip missing data for today
      result.push( { dimension => running_date }.merge(valuemap) )
    else
      if running_date < item[i].send(dimension)
        result.push( { dimension => running_date }.merge(valuemap) )
      elsif running_date == item[i].send(dimension)
        map = { dimension => running_date }
        valuemap.each do |dim, val|
          map[dim] = item[i].send(dim)
        end
        result.push(map)
        i += 1
      else
        raise "Dates dont align on time"
        #running_date > item[i], we've run over the end of the list
      end
    end
    
    running_date = running_date + 1
  end
  
  result
end

.options_for_line_chart(h) ⇒ Object 



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# File 'lib/mountain-goat/analytics.rb', line 86

def self.options_for_line_chart(h)
  res = {}
  h.each do |k, v|
    title = k || "Direct"
    res.merge!( title => { :collection => v, :x => :x, :y => :y, :options => { :color => "##{hash_color( title )}" }} )
  end

  res
end

.options_for_pie_chart(h) ⇒ Object 



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# File 'lib/mountain-goat/analytics.rb', line 78

def self.options_for_pie_chart(h)
  res = {}
  h.each do |k, v|
    res.merge!( k => { :collection => [{ :x => 1, :val => v.to_i }], :x => :x, :y => :val, :options => { :color => "##{hash_color( k )}" } })
  end
  res
end

.options_for_titled_chart(h, t) ⇒ Object 



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# File 'lib/mountain-goat/analytics.rb', line 74

def self.options_for_titled_chart(h, t)
  { :collection => h, :x => :name, :y => :val }
end

.pivot(item, dimension) ⇒ Object

filters do

contains(:page_path, '/xxx')

end



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# File 'lib/mountain-goat/analytics.rb', line 11

def self.pivot(item, dimension)
  item.sort! do |x,y|
  #logger.warn "x: #{x.send(:date)}, y: #{y.send(:date)}"
    x.send(dimension) <=> y.send(dimension)
  end
  
  item
  #item.map { |res| { dimension => res.send(dimension), value => res.send(value) } }
end

.pivot_by_date(collection, start_date, end_date = Time.zone.now) ⇒ Object 



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# File 'lib/mountain-goat/analytics.rb', line 102

def self.pivot_by_date(collection, start_date, end_date = Time.zone.now)
  #assume sorted object-- and that dates are on day-intervals
  
  result = {}
  start_date -= 60 * 60 * 24 #no day 0??
  end_date += 60 * 60 * 30 #let's just push this forward a bit..
  
  running_date = Date.new(start_date.year, start_date.month, start_date.day) #item[0].send(dimension)
  end_date = Date.new(end_date.year, end_date.month, end_date.day) #item[0].send(dimension)
  indices = {}
  collection.each { |source,dates| indices.merge!({ source => 0 }); result[source] = [] }
  #puts indices.inspect
  while running_date < end_date
    collection.each do |source, value|
      #Get the index in the current channel
      i = indices[source]
      
      #Otherwise, let's count the dates
      v = 0
      v += 1 and i += 1 while i < value.length && value[i] > running_date && value[i] < (running_date + 1)
      
      #Store results back
      indices[source] = i
      result[source].push( { :x => running_date, :y => v } )
    end
    
    running_date = running_date + 1
  end

  #result.each { |s| s.sort }
  result
end

.pivot_hash_to_titled(map) ⇒ Object 



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# File 'lib/mountain-goat/analytics.rb', line 61

def self.pivot_hash_to_titled(map)
  res = []
  res_titles = {}
  i = 0
  
  map.each do |k,v|
    res.push( { :name => i, :val => v.to_i } )
    res_titles.merge!({ i => k })
  end
  
  [res, res_titles]
end