Module: TypicalSituation::Operations

Included in:
TypicalSituation
Defined in:
lib/typical_situation/operations.rb

Overview

Model operations. Assume that we’re working w/ an ActiveRecord association collection.

Instance Method Summary collapse

Instance Method Details

#assign_resource(resource, attrs) ⇒ Object 



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# File 'lib/typical_situation/operations.rb', line 58

def assign_resource(resource, attrs)
  resource.assign_attributes(attrs)
end

#build_resource(attrs) ⇒ Object 



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# File 'lib/typical_situation/operations.rb', line 72

def build_resource(attrs)
  @resource = collection.build(attrs)
end

#create_resource(attrs) ⇒ Object 



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# File 'lib/typical_situation/operations.rb', line 68

def create_resource(attrs)
  @resource = collection.create(attrs)
end

#default_sorting_attribute ⇒ Object 



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# File 'lib/typical_situation/operations.rb', line 15

def default_sorting_attribute
  nil
end

#default_sorting_direction ⇒ Object 



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# File 'lib/typical_situation/operations.rb', line 19

def default_sorting_direction
  :asc
end

#destroy_resource(resource) ⇒ Object 



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# File 'lib/typical_situation/operations.rb', line 62

def destroy_resource(resource)
  resource.destroy
  collection.reload if resource.errors.empty?
  resource
end

#find_resource(param) ⇒ Object 



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# File 'lib/typical_situation/operations.rb', line 11

def find_resource(param)
  find_in_collection(param)
end

#get_resource ⇒ Object 



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# File 'lib/typical_situation/operations.rb', line 31

def get_resource
  if (@resource = find_resource(id_param))
    set_single_instance
    @resource
  else
    raise ActiveRecord::RecordNotFound, "Could not find #{model_class}( id:#{id_param.inspect} )"
  end
end

#get_resources ⇒ Object 



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# File 'lib/typical_situation/operations.rb', line 44

def get_resources
  @resources = paginate_resources(apply_sorting(scoped_resource))
  set_collection_instance
  @resources
end

#has_errors? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/typical_situation/operations.rb', line 40

def has_errors?
  !@resource.errors.empty?
end

#model_class ⇒ Object 



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# File 'lib/typical_situation/operations.rb', line 76

def model_class
  @model_class ||= model_type.to_s.camelize.constantize
end

#new_resource ⇒ Object 



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# File 'lib/typical_situation/operations.rb', line 50

def new_resource
  @resource = collection.build
end

#paginate_resources(resources) ⇒ Object 



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# File 'lib/typical_situation/operations.rb', line 23

def paginate_resources(resources)
  resources
end

#pagination_params ⇒ Object 



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# File 'lib/typical_situation/operations.rb', line 27

def pagination_params
  params.permit(:page, :per_page)
end

#scoped_resource ⇒ Object 



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# File 'lib/typical_situation/operations.rb', line 7

def scoped_resource
  collection
end

#serializable_resource(resource) ⇒ Object 



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# File 'lib/typical_situation/operations.rb', line 92

def serializable_resource(resource)
  resource
end

#serialize_resource(resource, options = {}) ⇒ Object 



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# File 'lib/typical_situation/operations.rb', line 80

def serialize_resource(resource, options = {})
  serializable_resource(resource).to_json(options.merge(root: include_root?))
end

#serialize_resources(resources) ⇒ Object 



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# File 'lib/typical_situation/operations.rb', line 84

def serialize_resources(resources)
  if include_root?
    return {plural_model_type => serializable_resource(resources)}
  end

  serializable_resource(resources).to_json(root: false)
end

#set_collection_instance ⇒ Object

Set the plural instance variable named after the model. Modules are delimited with “_”. Example: a MockApplePie resource collection is set to ivar @mock_apple_pies.



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# File 'lib/typical_situation/operations.rb', line 104

def set_collection_instance
  instance_variable_set(:"@#{model_type.to_s.gsub("/", "__").pluralize}", @resources)
end

#set_single_instance ⇒ Object

Set the singular instance variable named after the model. Modules are delimited with “_”. Example: a MockApplePie resource is set to ivar @mock_apple_pie.



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# File 'lib/typical_situation/operations.rb', line 98

def set_single_instance
  instance_variable_set(:"@#{model_type.to_s.gsub("/", "__")}", @resource)
end

#update_resource(resource, attrs) ⇒ Object 



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# File 'lib/typical_situation/operations.rb', line 54

def update_resource(resource, attrs)
  resource.update(attrs)
end