Module: Quiver::Mapper

Defined in:
lib/quiver/mapper.rb,
lib/quiver/mapper/hook.rb,
lib/quiver/mapper/soft_delete.rb,
lib/quiver/mapper/mapper_result.rb,
lib/quiver/mapper/not_found_error.rb,
lib/quiver/mapper/simple_query_builder.rb

Defined Under Namespace

Modules: ClassMethods, Hook, SoftDelete Classes: MapperResult, NotFoundError, SimpleQueryBuilder

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(host) ⇒ Object 



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# File 'lib/quiver/mapper.rb', line 3

def self.included(host)
  host.send(:extend, ClassMethods)
end

Instance Method Details

#all ⇒ Object 



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# File 'lib/quiver/mapper.rb', line 121

def all
  query({})
end

#count ⇒ Object 



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# File 'lib/quiver/mapper.rb', line 174

def count
  adapter.count
end

#filter(params) ⇒ Object 



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# File 'lib/quiver/mapper.rb', line 178

def filter(params)
  SimpleQueryBuilder.new(self).filter(params)
end

#find(pk) ⇒ Object 



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# File 'lib/quiver/mapper.rb', line 112

def find(pk)
  adapter.find(pk).when(
    success: -> (attributes, result) {
      Quiver::Mapper::MapperResult.new { |e| hydrate(attributes) }
    },
    failure: -> (errors, result) { result }
  )
end

#hard_delete(model) ⇒ Object 



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# File 'lib/quiver/mapper.rb', line 125

def hard_delete(model)
  self.class.parents[-2]::Mappers.transaction do |transaction|
    attributes = dehydrate(model)

    Quiver::Mapper::MapperResult.new(nil, nil, {adapter_op: :hard_delete}) do |errors|
      adapter.hard_delete(attributes, transaction).when(
        success: -> (attributes, result) {
          {}
        },
        failure: -> (adapter_errors, result) { errors.add(adapter_errors); nil }
      )
    end
  end
end

#initialize(adapter_type = nil) ⇒ Object 



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# File 'lib/quiver/mapper.rb', line 72

def initialize(adapter_type=nil)
  adapter_type ||= self.class.parents[-2]::Application.default_adapter_type
  self.adapter_type = adapter_type
  self.adapter = self.class.send(:adapter_for, adapter_type).new
end

#paginate(params) ⇒ Object 



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# File 'lib/quiver/mapper.rb', line 186

def paginate(params)
  SimpleQueryBuilder.new(self).paginate(params)
end

#restore(model) ⇒ Object 



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# File 'lib/quiver/mapper.rb', line 157

def restore(model)
  self.class.parents[-2]::Mappers.transaction do |transaction|
    model.deleted_at = nil

    attributes = dehydrate(model)

    Quiver::Mapper::MapperResult.new(nil, nil, {adapter_op: :restore}) do |errors|
      adapter.update(attributes, transaction).when(
        success: -> (attributes, result) {
          hydrate(attributes)
        },
        failure: -> (adapter_errors, result) { errors.add(adapter_errors); nil }
      )
    end
  end
end

#save(model) ⇒ Object 



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# File 'lib/quiver/mapper.rb', line 78

def save(model)
  self.class.parents[-2]::Mappers.transaction do |transaction|
    hooks = self.class.send(:hooks) || []

    if self.class.type_attribute
      type_key = model.send(self.class.type_attribute)
    end

    if hooks.is_a?(Hash)
      hooks = hooks[type_key.to_sym] || []
    end

    hooks = hooks.map(&:new)

    model = hooks.inject(model) do |model, hook|
      hook.before_save(model)
    end

    if model.persisted_by.include?(adapter_type)
      result = update(model, transaction)
    else
      result = create(model, transaction)

      if result.success?
        # model.persisted_by!(adapter_type)
      end
    end

    hooks.inject(result) do |result, hook|
      hook.after_save(result)
    end
  end
end

#soft_delete(model) ⇒ Object 



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# File 'lib/quiver/mapper.rb', line 140

def soft_delete(model)
  self.class.parents[-2]::Mappers.transaction do |transaction|
    model.deleted_at = Time.now

    attributes = dehydrate(model)

    Quiver::Mapper::MapperResult.new(nil, nil, {adapter_op: :soft_delete}) do |errors|
      adapter.update(attributes, transaction).when(
        success: -> (attributes, result) {
          hydrate(attributes)
        },
        failure: -> (adapter_errors, result) { errors.add(adapter_errors); nil }
      )
    end
  end
end

#sort(params) ⇒ Object 



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# File 'lib/quiver/mapper.rb', line 182

def sort(params)
  SimpleQueryBuilder.new(self).sort(params)
end