Class: Effective::Attribute

Inherits:
Object
  • Object
show all
Defined in:
app/models/effective/attribute.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(obj, type = nil, klass: nil) ⇒ Attribute

We also use this class to do value parsing in Datatables. In that case it will be initialized with just a ‘name’



19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
 
# File 'app/models/effective/attribute.rb', line 19

def initialize(obj, type = nil, klass: nil)
  @klass = klass

  if obj.present? && type.present?
    @name = obj.to_s
    @type = type.to_sym
  end

  @type ||= (
    case obj
    when :boolean     ; :boolean
    when :currency    ; :currency
    when :date        ; :date
    when :datetime    ; :datetime
    when :decimal     ; :decimal
    when :duration    ; :duration
    when :email       ; :email
    when :integer     ; :integer
    when :percent     ; :percent
    when :percentage  ; :percent
    when :phone       ; :phone
    when :price       ; :price
    when :nil         ; :nil
    when :resource    ; :resource
    when :string      ; :string
    when :text        ; :text
    when :time        ; :time
    when FalseClass   ; :boolean
    when (defined?(Integer) ? Integer : Fixnum) ; :integer
    when Float        ; :decimal
    when NilClass     ; :nil
    when String       ; :string
    when TrueClass    ; :boolean
    when ActiveSupport::TimeWithZone  ; :datetime
    when Date                         ; :date
    when ActiveRecord::Base           ; :resource
    when :belongs_to                  ; :belongs_to
    when :belongs_to_polymorphic      ; :belongs_to_polymorphic
    when :has_many                    ; :has_many
    when :has_and_belongs_to_many     ; :has_and_belongs_to_many
    when :has_one                     ; :has_one
    when :effective_addresses         ; :effective_addresses
    when :effective_obfuscation       ; :effective_obfuscation
    when :effective_roles             ; :effective_roles
    else
      raise "unsupported type for #{obj}"
    end
  )
end

Instance Attribute Details

#klass ⇒ Object

Returns the value of attribute klass.



3
4
5
 
# File 'app/models/effective/attribute.rb', line 3

def klass
  @klass
end

#name ⇒ Object

Returns the value of attribute name.



3
4
5
 
# File 'app/models/effective/attribute.rb', line 3

def name
  @name
end

#type ⇒ Object

Returns the value of attribute type.



3
4
5
 
# File 'app/models/effective/attribute.rb', line 3

def type
  @type
end

Class Method Details

.parse_written(input) ⇒ Object

This parses the written attributes



6
7
8
9
10
11
12
 
# File 'app/models/effective/attribute.rb', line 6

def self.parse_written(input)
  input = input.to_s

  if (scanned = input.scan(/^\W*(\w+)\W*:(\w+)/).first).present?
    new(*scanned)
  end
end

Instance Method Details

#<=>(other) ⇒ Object 



157
158
159
 
# File 'app/models/effective/attribute.rb', line 157

def <=>(other)
  name <=> other.name
end

#==(other) ⇒ Object 



161
162
163
 
# File 'app/models/effective/attribute.rb', line 161

def ==(other)
  name == other.name && type == other.type
end

#human_name ⇒ Object 



153
154
155
 
# File 'app/models/effective/attribute.rb', line 153

def human_name
  name.humanize
end

#parse(value, name: nil) ⇒ Object 



69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
 
# File 'app/models/effective/attribute.rb', line 69

def parse(value, name: nil)
  case type
  when :boolean
    [true, 'true', 't', '1'].include?(value)
  when :date, :datetime
    if (digits = value.to_s.scan(/(\d+)/).flatten).present?
      date = if digits.first.length == 4  # 2017-01-10
        Time.zone.local(*digits)
      else # 01/10/2016
        year = digits.find { |d| d.length == 4}
        digits = [year] + (digits - [year])
        Time.zone.local(*digits)
      end

      name.to_s.start_with?('end_') ? date.end_of_day : date
    end
  when :time
    if (digits = value.to_s.scan(/(\d+)/).flatten).present?
      now = Time.zone.now
      Time.zone.local(now.year, now.month, now.day, *digits)
    end
  when :decimal, :currency
    (value.kind_of?(String) ? value.gsub(/[^0-9|\-|\.]/, '') : value).to_f
  when :duration
    if value.to_s.include?('h')
      (hours, minutes) = (value.to_s.gsub(/[^0-9|\-|h]/, '').split('h'))
      (hours.to_i * 60) + ((hours.to_i < 0) ? -(minutes.to_i) : minutes.to_i)
    else
      value.to_s.gsub(/[^0-9|\-|h]/, '').to_i
    end
  when :effective_obfuscation
    klass.respond_to?(:deobfuscate) ? klass.deobfuscate(value) : value.to_s
  when :effective_roles
    EffectiveRoles.roles.include?(value.to_sym) ? value : EffectiveRoles.roles_for(value)
  when :integer
    (value.kind_of?(String) ? value.gsub(/\D/, '') : value).to_i
  when :percent # Integer * 1000. Percentage to 3 digits.
    value.kind_of?(Integer) ? value : (value.to_s.gsub(/[^0-9|\-|\.]/, '').to_f * 1000.0).round
  when :phone
    digits = value.to_s.gsub(/\D/, '').chars
    digits = (digits.first == '1' ? digits[1..10] : digits[0..9]) # Throw away a leading 1

    return nil unless digits.length == 10

    "(#{digits[0..2].join}) #{digits[3..5].join}-#{digits[6..10].join}"
  when :integer
    (value.kind_of?(String) ? value.gsub(/\D/, '') : value).to_i
  when :nil
    value.presence
  when :price # Integer * 100. Number of cents.
    value.kind_of?(Integer) ? value : (value.to_s.gsub(/[^0-9|\-|\.]/, '').to_f * 100.0).round
  when :string, :text, :email
    value.to_s
  when :belongs_to_polymorphic
    value.to_s
  when :belongs_to, :has_many, :has_and_belongs_to_many, :has_one, :resource, :effective_addresses  # Returns an Array of ints, an Int or String
    if value.kind_of?(Integer) || value.kind_of?(Array)
      value
    else
      digits = value.to_s.gsub(/[^0-9|,]/, '') # '87' or '87,254,300' or 'something'

      if digits == value || digits.length == 10
        if klass.respond_to?(:deobfuscate)
          digits.split(',').map { |str| klass.deobfuscate(str).to_i }
        else
          digits.split(',').map { |str| str.to_i }
        end
      else
        value.to_s
      end
    end
  else
    raise "unsupported type #{type}"
  end
end

#present? ⇒ Boolean

Returns:

  • (Boolean) 


149
150
151
 
# File 'app/models/effective/attribute.rb', line 149

def present?
  name.present? || type.present?
end

#to_s ⇒ Object 



145
146
147
 
# File 'app/models/effective/attribute.rb', line 145

def to_s
  name
end