Class: Graphiti::Serializer

Inherits:
JSONAPI::Serializable::Resource
  • Object
show all
Includes:
Extensions::BooleanAttribute, Extensions::ExtraAttribute, SerializableHash, SerializableTempId
Defined in:
lib/graphiti/serializer.rb

Class Method Summary collapse

Instance Method Summary collapse

Methods included from SerializableHash

#polymorphic_subclass?, #remote_resource?, #to_hash

Methods included from Extensions::ExtraAttribute

included

Methods included from Extensions::BooleanAttribute

included

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(id) ⇒ Object

Allow access to resource methods



77
78
79
80
81
82
83
 
# File 'lib/graphiti/serializer.rb', line 77

def method_missing(id, ...)
  if @resource.respond_to?(id, true)
    @resource.send(id, ...)
  else
    super
  end
end

Class Method Details

.inherited(klass) ⇒ Object 



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
 
# File 'lib/graphiti/serializer.rb', line 21

def self.inherited(klass)
  super
  klass.class_eval do
    extend JSONAPI::Serializable::Resource::ConditionalFields

    # See #requested_relationships
    def self.relationship(name, options = {}, &block)
      prev = Util::Hash.deep_dup(field_condition_blocks)
      super
      self.field_condition_blocks = prev
      # _register_condition mutates the hash, which ancestors share by
      # reference until reassigned - copy first so the guard doesn't leak.
      self.relationship_condition_blocks = Util::Hash.deep_dup(relationship_condition_blocks)
      _register_condition(relationship_condition_blocks, name, options)
    end

    # NB - avoid clobbering includes when sparse fieldset
    # https://github.com/jsonapi-rb/jsonapi-serializable/pull/102
    #
    # We also override this method to ensure attributes and relationships
    # have separate condition blocks. This way an attribute and
    # relationship can have the same name, and the attribute can be
    # conditional without affecting the relationship.
    def requested_relationships(fields)
      @_relationships.select do |k, _|
        _conditionally_included?(self.class.relationship_condition_blocks, k)
      end
    end
  end
end

Instance Method Details

#as_jsonapi(kwargs = {}) ⇒ Object 



69
70
71
72
73
74
 
# File 'lib/graphiti/serializer.rb', line 69

def as_jsonapi(kwargs = {})
  super(**kwargs).tap do |hash|
    strip_relationships!(hash) if strip_relationships?
    add_links!(hash)
  end
end

#cursor ⇒ Object 



52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
 
# File 'lib/graphiti/serializer.rb', line 52

def cursor
  starting_offset = 0
  page_param = @proxy.query.pagination
  if (page_number = page_param[:number])
    page_size = page_param[:size] || @resource.default_page_size
    starting_offset = (page_number - 1) * page_size
  end

  if (cursor = page_param[:after])
    starting_offset = cursor[:offset]
  end

  current_offset = @object.instance_variable_get(:@__graphiti_index)
  offset = starting_offset + current_offset + 1 # (+ 1 b/c o-base index)
  Base64.encode64({offset: offset}.to_json).chomp
end

#respond_to_missing?(method_name, include_private = true) ⇒ Boolean

Returns:

  • (Boolean) 


85
86
87
 
# File 'lib/graphiti/serializer.rb', line 85

def respond_to_missing?(method_name, include_private = true)
  @resource.respond_to?(method_name, include_private) || super
end