Class: Ricordami::Query

Inherits:
Object
  • Object
show all
Defined in:
lib/ricordami/query.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(runner, builder = nil) ⇒ Query

Returns a new instance of Query.



5
6
7
8
9
 
# File 'lib/ricordami/query.rb', line 5

def initialize(runner, builder = nil)
  @expressions = []
  @runner = runner
  @builder = builder || runner
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(meth, *args, &blk) ⇒ Object (private) 



64
65
66
 
# File 'lib/ricordami/query.rb', line 64

def method_missing(meth, *args, &blk)
  all.send(meth, *args, &blk)
end

Instance Attribute Details

#builder ⇒ Object (readonly)

Returns the value of attribute builder.



3
4
5
 
# File 'lib/ricordami/query.rb', line 3

def builder
  @builder
end

#expressions ⇒ Object (readonly)

Returns the value of attribute expressions.



3
4
5
 
# File 'lib/ricordami/query.rb', line 3

def expressions
  @expressions
end

#runner ⇒ Object (readonly)

Returns the value of attribute runner.



3
4
5
 
# File 'lib/ricordami/query.rb', line 3

def runner
  @runner
end

#sort_by ⇒ Object (readonly)

Returns the value of attribute sort_by.



3
4
5
 
# File 'lib/ricordami/query.rb', line 3

def sort_by
  @sort_by
end

#sort_dir ⇒ Object (readonly)

Returns the value of attribute sort_dir.



3
4
5
 
# File 'lib/ricordami/query.rb', line 3

def sort_dir
  @sort_dir
end

Instance Method Details

#build(attributes = {}) ⇒ Object 



39
40
41
42
43
44
45
46
 
# File 'lib/ricordami/query.rb', line 39

def build(attributes = {})
  initial_values = {}
  expressions.each do |operation, filters|
    next unless operation == :and
    initial_values.merge!(filters)
  end
  obj = builder.new(initial_values.merge(attributes))
end

#create(attributes = {}) ⇒ Object 



48
49
50
 
# File 'lib/ricordami/query.rb', line 48

def create(attributes = {})
  build(attributes).tap { |obj| obj.save }
end

#sort(attribute, dir = :asc_alpha) ⇒ Object 



31
32
33
34
35
36
37
 
# File 'lib/ricordami/query.rb', line 31

def sort(attribute, dir = :asc_alpha)
  unless [:asc_alpha, :asc_num, :desc_alpha, :desc_num].include?(dir)
    raise ArgumentError.new("sorting direction #{dir.inspect} is invalid")
  end
  @sort_by, @sort_dir = attribute, dir
  self
end