Module: ActiveRecord::Persistence

Included in:
Base
Defined in:
lib/jun/active_record/persistence.rb

Defined Under Namespace

Modules: ClassMethods

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(klass) ⇒ Object 



5
6
7
 
# File 'lib/jun/active_record/persistence.rb', line 5

def self.included(klass)
  klass.extend(ClassMethods)
end

Instance Method Details

#new_record? ⇒ Boolean

Returns:

  • (Boolean) 


52
53
54
 
# File 'lib/jun/active_record/persistence.rb', line 52

def new_record?
  @new_record
end

#persisted? ⇒ Boolean

Returns:

  • (Boolean) 


56
57
58
 
# File 'lib/jun/active_record/persistence.rb', line 56

def persisted?
  !new_record?
end

#save ⇒ Object 



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
 
# File 'lib/jun/active_record/persistence.rb', line 26

def save
  if new_record?
    result = self.class.connection.execute(
      <<~SQL
        INSERT INTO #{self.class.table_name}
        (#{@attributes.keys.join(",")})
        VALUES (#{@attributes.values.map { |v| "'#{v}'" }.join(",")})
        RETURNING *;
      SQL
    )

    @attributes[self.class.primary_key] = result.first[self.class.primary_key]
    @new_record = false
  else
    self.class.connection.execute(
      <<~SQL
        UPDATE #{self.class.table_name}
        SET #{@attributes.map { |k, v| "#{k} = #{v.nil? ? 'NULL' : "'#{v}'"}" }.join(",")}
        WHERE id = #{id};
      SQL
    )
  end

  true
end