Module: MongoMysqlRelations::ClassMethods

Defined in:
lib/mongo_mysql_relations.rb

Instance Method Summary collapse

Instance Method Details

#from_mysql_belongs_to(name, options = {}) ⇒ Object

Connection methods from mysql to mongoid



76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
 
# File 'lib/mongo_mysql_relations.rb', line 76

def from_mysql_belongs_to(name, options = {})
  object_class = options[:class] || name.to_s.titleize.delete(' ').constantize
  self.instance_eval do
    define_method(name) do |reload = false|
      if reload
        self.instance_variable_set("@#{name}", nil)
      end

      if self.instance_variable_get("@#{name}").blank? 
        self.instance_variable_set("@#{name}", object_class.where(:id => self.send("#{name}_id")).first)
      end

      self.instance_variable_get("@#{name}")
    end

    define_method("#{name}=") do |new_instance|
      self.send("#{name}_id=", new_instance.id)
      self.instance_variable_set("@#{name}", nil)
    end
  end
end

#from_mysql_has_many(name, options = {}) ⇒ Object 



98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
 
# File 'lib/mongo_mysql_relations.rb', line 98

def from_mysql_has_many(name, options = {})
  plural_name = name.to_s.pluralize
  foreign_key = options[:foreign_key] || "#{self.name.underscore}_id"
  object_class = options[:class] || name.to_s.singularize.titleize.delete(' ').constantize
  self.instance_eval do
    define_method(plural_name) do |reload = false|
      if reload
        self.instance_variable_set("@#{name}", nil)
      end

      if self.instance_variable_get("@#{name}").blank? 
        self.instance_variable_set("@#{name}", object_class.where(foreign_key => self.id))
      end

      self.instance_variable_get("@#{name}")
    end
  end
end

#from_mysql_has_one(name, options = {}) ⇒ Object 



117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
 
# File 'lib/mongo_mysql_relations.rb', line 117

def from_mysql_has_one(name, options = {})
  foreign_key = options[:foreign_key] || "#{self.name.underscore}_id"
  object_class = options[:class] || name.to_s.titleize.delete(' ').constantize
  self.instance_eval do
    define_method(name) do |reload = false|
      if reload
        self.instance_variable_set("@#{name}", nil)
      end

      if self.instance_variable_get("@#{name}").blank? 
        self.instance_variable_set("@#{name}", object_class.where(foreign_key => self.id).first)
      end

      self.instance_variable_get("@#{name}")
    end
  end
end

#to_mysql_belongs_to(name, options = {}) ⇒ Object

Connection methods from mongoid to mysql



13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
 
# File 'lib/mongo_mysql_relations.rb', line 13

def to_mysql_belongs_to(name, options = {})
  field "#{name}_id", type: Integer
  object_class = options[:class] || name.to_s.titleize.delete(' ').constantize
  self.instance_eval do
    define_method(name) do |reload = false|
      if reload
        self.instance_variable_set("@#{name}", nil)
      end

      if self.instance_variable_get("@#{name}").blank? 
        self.instance_variable_set("@#{name}", object_class.where(object_class.primary_key => self.send("#{name}_id")).first)
      end

      self.instance_variable_get("@#{name}")
    end

    define_method("#{name}=") do |new_instance|
      self.send("#{name}_id=", new_instance.id)
      self.instance_variable_set("@#{name}", nil)
    end
  end
end

#to_mysql_has_many(name, options = {}) ⇒ Object 



36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
 
# File 'lib/mongo_mysql_relations.rb', line 36

def to_mysql_has_many(name, options = {})
  plural_name = name.to_s.pluralize
  foreign_key = options[:foreign_key] || "#{self.name.underscore}_id"
  object_class = options[:class] || name.to_s.singularize.titleize.delete(' ').constantize
  self.instance_eval do
    define_method(plural_name) do |reload = false|
      if reload
        self.instance_variable_set("@#{name}", nil)
      end
      
      if self.instance_variable_get("@#{name}").blank? 
        self.instance_variable_set("@#{name}", object_class.where(foreign_key => self.id.to_s))
      end

      self.instance_variable_get("@#{name}")
    end
  end
end

#to_mysql_has_one(name, options = {}) ⇒ Object 



55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
 
# File 'lib/mongo_mysql_relations.rb', line 55

def to_mysql_has_one(name, options = {})
  foreign_key = options[:foreign_key] || "#{self.name.underscore}_id"
  object_class = options[:class] || name.to_s.titleize.delete(' ').constantize
  self.instance_eval do
    define_method(name) do |reload = false|
      if reload
        self.instance_variable_set("@#{name}", nil)
      end

      if self.instance_variable_get("@#{name}").blank? 
        self.instance_variable_set("@#{name}", object_class.where(foreign_key => self.id.to_s).first)
      end

      self.instance_variable_get("@#{name}")
    end
  end
end