Class: Reportinator::HelperArrayFunction

Inherits:
ArrayFunction show all
Defined in:
lib/reportinator/functions/array/helper.rb

Constant Summary collapse

PREFIXES = 
[">strf", ">offset", ">title", ">sum"]
INTERVALS = 
{
  days: {start: "at_beginning_of_day", end: "at_end_of_day"},
  weeks: {start: "at_beginning_of_week", end: "at_end_of_week"},
  months: {start: "at_beginning_of_month", end: "at_end_of_month"},
  years: {start: "at_beginning_of_year", end: "at_end_of_year"}
}

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from ArrayFunction

accepts?, #get, #set_attributes

Methods inherited from Function

parse, #parse_and_execute_value, #parse_value, #prefixes

Methods inherited from Base

config, #config, logger, #logger

Methods included from Helpers

#merge_hash, #merge_hash!, #symbolize_attributes

Instance Attribute Details

#parsed_target ⇒ Object 



64
65
66
 
# File 'lib/reportinator/functions/array/helper.rb', line 64

def parsed_target
  @parsed_target ||= parse_target
end

#parsed_values ⇒ Object 



73
74
75
 
# File 'lib/reportinator/functions/array/helper.rb', line 73

def parsed_values
  @parsed_values ||= values.map { |value| parse_value(value) }
end

Instance Method Details

#calculate_offset(time, offset, interval, snap) ⇒ Object 



43
44
45
46
47
48
49
50
51
52
 
# File 'lib/reportinator/functions/array/helper.rb', line 43

def calculate_offset(time, offset, interval, snap)
  interval = (interval.present? ? interval : :months)
  interval = interval.to_s.pluralize.to_sym
  return "Invalid Interval" unless INTERVALS.include? interval
  interval_data = INTERVALS[interval]
  snap = false unless interval_data.include? snap
  output = time.advance({interval => offset})
  output = output.send(interval_data[snap]) if snap.present?
  output
end

#output ⇒ Object 



14
15
16
17
18
19
20
 
# File 'lib/reportinator/functions/array/helper.rb', line 14

def output
  return parse_strftime if prefix == ">strf"
  return parse_offset if prefix == ">offset"
  return parse_title if prefix == ">title"
  return parse_sum if prefix == ">sum"
  element
end

#parse_offset ⇒ Object 



33
34
35
36
37
38
39
40
41
 
# File 'lib/reportinator/functions/array/helper.rb', line 33

def parse_offset
  time = target_to_time
  return "Invalid Time" if time.nil?
  offset = parsed_values[0]
  return "Missing Offset" unless offset.present?
  interval = parsed_values[1]
  snap = parsed_values[2]
  calculate_offset(time, offset, interval, snap)
end

#parse_strftime ⇒ Object 



26
27
28
29
30
31
 
# File 'lib/reportinator/functions/array/helper.rb', line 26

def parse_strftime
  time = target_to_time
  return "Invalid Time" if time.nil?
  return "Invalid Format" unless parsed_values[0].instance_of? String
  time.strftime parsed_values[0]
end

#parse_sum ⇒ Object 



59
60
61
62
 
# File 'lib/reportinator/functions/array/helper.rb', line 59

def parse_sum
  sum_values = parsed_values.append parsed_target
  sum_values.sum { |value| parse_value("!n #{value}") }
end

#parse_target ⇒ Object 



68
69
70
71
 
# File 'lib/reportinator/functions/array/helper.rb', line 68

def parse_target
  formatted_target = (target.instance_of?(String) ? target.strip : target)
  parse_value(formatted_target)
end

#parse_title ⇒ Object 



54
55
56
57
 
# File 'lib/reportinator/functions/array/helper.rb', line 54

def parse_title
  to_join = [parsed_target] + parsed_values
  to_join.join(" ").titleize
end

#target_to_time ⇒ Object 



22
23
24
 
# File 'lib/reportinator/functions/array/helper.rb', line 22

def target_to_time
  parsed_target.to_s.to_time
end