Module: Associations

Included in:
BlocRecord::Base
Defined in:
lib/bloc_record/associations.rb

Instance Method Summary collapse

Instance Method Details

#belongs_to(association) ⇒ Object 



23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
 
# File 'lib/bloc_record/associations.rb', line 23

def belongs_to(association)
  define_method(association) do
    association_name = association.to_s
    row = self.class.connection.get_first_row <<-SQL
      SELECT * FROM #{association_name}
      WHERE id = #{self.send(association_name + "_id")}
    SQL

    class_name = association_name.classify.constantize

    if row
      data = Hash[class_name.columns.zip(row)]
      class_name.new(data)
    end
  end
end

#has_many(association) ⇒ Object 



5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
 
# File 'lib/bloc_record/associations.rb', line 5

def has_many(association)
  define_method(association) do
    rows = self.class.connection.execute <<-SQL
      SELECT * FROM #{association.to_s.singularize}
      WHERE #{self.class.table}_id = #{self.id}
    SQL

    class_name = association.to_s.classify.constantize
    collection = BlocRecord::Collection.new

    rows.each do |row|
      collection << class_name.new(Hash[class_name.columns.zip(row)])
    end

    collection
  end
end