Class: CouchPotato::Database

Inherits:
Object
  • Object
show all
Defined in:
lib/couch_potato/database.rb

Defined Under Namespace

Classes: ValidationsFailedError

Instance Method Summary collapse

Constructor Details

#initialize(couchrest_database) ⇒ Database

Returns a new instance of Database.



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# File 'lib/couch_potato/database.rb', line 6

def initialize(couchrest_database)
  @database = couchrest_database
  begin
    couchrest_database.info
  rescue RestClient::ResourceNotFound
    raise "Database '#{couchrest_database.name}' does not exist."
  end
end

Instance Method Details

#destroy_document(document) ⇒ Object Also known as: destroy 



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# File 'lib/couch_potato/database.rb', line 38

def destroy_document(document)
  document.run_callbacks :before_destroy
  document._deleted = true
  database.delete_doc document.to_hash
  document.run_callbacks :after_destroy
  document._id = nil
  document._rev = nil
end

#inspect ⇒ Object 



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# File 'lib/couch_potato/database.rb', line 60

def inspect
  "#<CouchPotato::Database>"
end

#load_document(id) ⇒ Object Also known as: load 



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# File 'lib/couch_potato/database.rb', line 48

def load_document(id)
  raise "Can't load a document without an id (got nil)" if id.nil?
  begin
    instance = database.get(id)
    instance.database = self
    instance
  rescue(RestClient::ResourceNotFound)
    nil
  end
end

#save_document(document, validate = true) ⇒ Object Also known as: save 



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# File 'lib/couch_potato/database.rb', line 23

def save_document(document, validate = true)
  return true unless document.dirty?
  if document.new?
    create_document(document, validate)
  else
    update_document(document, validate)
  end
end

#save_document!(document) ⇒ Object Also known as: save! 



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# File 'lib/couch_potato/database.rb', line 33

def save_document!(document)
  save_document(document) || raise(ValidationsFailedError.new(document.errors.full_messages))
end

#view(spec) ⇒ Object 



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# File 'lib/couch_potato/database.rb', line 15

def view(spec)
  results = CouchPotato::View::ViewQuery.new(database,
    spec.design_document, spec.view_name, spec.map_function,
    spec.reduce_function).query_view!(spec.view_parameters)
  spec.process_results results
end