Class: Flexirest::Base

Inherits:
Object
  • Object
show all
Includes:
Associations, AttributeParsing, Caching, Callbacks, Configuration, Mapping, Recording, Validation
Defined in:
lib/flexirest/base.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Associations

included

Methods included from Recording

included

Methods included from Caching

included

Methods included from Validation

#_errors, #full_error_messages, included, #valid?

Methods included from Callbacks

included

Methods included from Configuration

included

Methods included from Mapping

included

Constructor Details

#initialize(attrs = {}) ⇒ Base

Returns a new instance of Base.

Raises:

  • (Exception) 


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# File 'lib/flexirest/base.rb', line 21

def initialize(attrs={})
  @attributes = {}
  @dirty_attributes = Hash.new

  raise Exception.new("Cannot instantiate Base class") if self.class.name == "Flexirest::Base"

  attrs.each do |attribute_name, attribute_value|
    attribute_name = attribute_name.to_sym
    @attributes[attribute_name] = parse_date?(attribute_name) ? parse_attribute_value(attribute_value) : attribute_value
    @dirty_attributes[attribute_name] = [nil, attribute_value]
  end
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(name, *args) ⇒ Object 



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# File 'lib/flexirest/base.rb', line 128

def method_missing(name, *args)
  if name.to_s[-1,1] == "="
    name = name.to_s.chop.to_sym
    _set_attribute(name, args.first)
  else
    name_sym = name.to_sym
    name = name.to_s

    if @attributes.has_key? name_sym
      @attributes[name_sym]
    else
      if name[/^lazy_/] && mapped = self.class._mapped_method(name_sym)
        if mapped[:method] != :delete
          raise ValidationFailedException.new unless valid?
        end

        request = Request.new(mapped, self, args.first)
        Flexirest::LazyLoader.new(request)
      elsif mapped = self.class._mapped_method(name_sym)
        if mapped[:method] != :delete
          raise ValidationFailedException.new unless valid?
        end

        request = Request.new(mapped, self, args.first)
        request.call
      elsif name[/_was$/] and @attributes.has_key? (name.sub(/_was$/,'').to_sym)
        k = (name.sub(/_was$/,'').to_sym)
        @dirty_attributes[k][0]
      elsif name[/^reset_.*!$/] and @attributes.has_key? (name.sub(/^reset_/,'').sub(/!$/,'').to_sym)
        k = (name.sub(/^reset_/,'').sub(/!$/,'').to_sym)
        _reset_attribute(k)
      elsif self.class.whiny_missing
        raise NoAttributeException.new("Missing attribute #{name_sym}")
      else
        nil
      end
    end
  end
end

Instance Attribute Details

#_etag ⇒ Object

Returns the value of attribute _etag.



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# File 'lib/flexirest/base.rb', line 13

def _etag
  @_etag
end

#_headers ⇒ Object

Returns the value of attribute _headers.



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# File 'lib/flexirest/base.rb', line 14

def _headers
  @_headers
end

#_status ⇒ Object

Returns the value of attribute _status.



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# File 'lib/flexirest/base.rb', line 12

def _status
  @_status
end

Class Method Details

._lazy_request(request, method = :get, params = nil, options = {}) ⇒ Object 



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# File 'lib/flexirest/base.rb', line 77

def self._lazy_request(request, method = :get, params = nil, options = {})
  Flexirest::LazyLoader.new(prepare_direct_request(request, method, options), params)
end

._plain_request(request, method = :get, params = nil, options = {}) ⇒ Object 



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# File 'lib/flexirest/base.rb', line 73

def self._plain_request(request, method = :get, params = nil, options = {})
  prepare_direct_request(request, method, options.merge(plain:true)).call(params)
end

._request(request, method = :get, params = nil, options = {}) ⇒ Object 



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# File 'lib/flexirest/base.rb', line 69

def self._request(request, method = :get, params = nil, options = {})
  prepare_direct_request(request, method, options).call(params)
end

._request_for(method_name, *args) ⇒ Object 



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# File 'lib/flexirest/base.rb', line 90

def self._request_for(method_name, *args)
  if mapped = self._mapped_method(method_name)
    params = (args.first.is_a?(Hash) ? args.first : nil)
    request = Request.new(mapped, self, params)
    request
  else
    nil
  end
end

.prepare_direct_request(request, method = :get, options = {}) ⇒ Object 



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# File 'lib/flexirest/base.rb', line 81

def self.prepare_direct_request(request, method = :get, options={})
  unless request.is_a? Flexirest::Request
    options[:plain] ||= false
    options[:direct] ||= true
    request = Flexirest::Request.new({ url: request, method: method, options: options }, self)
  end
  request
end

Instance Method Details

#[](key) ⇒ Object 



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# File 'lib/flexirest/base.rb', line 100

def [](key)
  @attributes[key.to_sym]
end

#[]=(key, value) ⇒ Object 



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# File 'lib/flexirest/base.rb', line 104

def []=(key, value)
  _set_attribute(key, value)
end

#_attributes ⇒ Object 



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# File 'lib/flexirest/base.rb', line 38

def _attributes
  @attributes
end

#_clean! ⇒ Object 



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# File 'lib/flexirest/base.rb', line 34

def _clean!
  @dirty_attributes = Hash.new
end

#_copy_from(result) ⇒ Object 



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# File 'lib/flexirest/base.rb', line 42

def _copy_from(result)
  @attributes = result._attributes
  @_status = result._status
end

#changed ⇒ Object

Returns an array of changed fields



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# File 'lib/flexirest/base.rb', line 56

def changed
  @dirty_attributes.keys
end

#changed? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/flexirest/base.rb', line 51

def changed?
  dirty?
end

#changes ⇒ Object

Returns hash of old and new vaules for each changed field



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# File 'lib/flexirest/base.rb', line 61

def changes
  @dirty_attributes
end

#dirty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/flexirest/base.rb', line 47

def dirty?
  @dirty_attributes.size > 0
end

#each ⇒ Object 



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# File 'lib/flexirest/base.rb', line 108

def each
  @attributes.each do |key, value|
    yield key, value
  end
end

#errors ⇒ Object 



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# File 'lib/flexirest/base.rb', line 65

def errors
  @attributes[:errors] || (_errors != {} ? _errors : nil)
end

#inspect ⇒ Object 



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# File 'lib/flexirest/base.rb', line 114

def inspect
  inspection = if @attributes.any?
                 @attributes.collect { |key, value|
                   "#{key}: #{value_for_inspect(value)}"
                 }.compact.join(", ")
               else
                 "[uninitialized]"
               end
  inspection += "#{"," if @attributes.any?} ETag: #{@_etag}" unless @_etag.nil?
  inspection += "#{"," if @attributes.any?} Status: #{@_status}" unless @_status.nil?
  inspection += " (unsaved: #{@dirty_attributes.keys.map(&:to_s).join(", ")})" if @dirty_attributes.any?
  "#<#{self.class} #{inspection}>"
end

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

Returns:

  • (Boolean) 


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# File 'lib/flexirest/base.rb', line 168

def respond_to_missing?(method_name, include_private = false)
  @attributes.has_key? method_name.to_sym
end

#to_hash ⇒ Object 



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# File 'lib/flexirest/base.rb', line 172

def to_hash
  output = {}
  @attributes.each do |key, value|
    if value.is_a? Flexirest::Base
      output[key.to_s] = value.to_hash
    elsif value.is_a? Array
      output[key.to_s] = value.map(&:to_hash)
    else
      output[key.to_s] = value
    end
  end
  output
end

#to_json ⇒ Object 



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# File 'lib/flexirest/base.rb', line 186

def to_json
  output = to_hash
  output.to_json
end