Yesod.Helpers.Crud

Documentation

class ToForm a => Item a where

An entity which can be displayed by the Crud subsite.

Methods

itemTitle :: a -> String

The title of an entity, to be displayed in the list of all entities.

data Crud master item

Defines all of the CRUD operations (Create, Read, Update, Delete) necessary to implement this subsite. When using the Yesod.Form module and ToForm typeclass, you can probably just use defaultCrud.

Constructors

Crud

Fields

crudSelect :: GHandler (Crud master item) master [(Key item, item)]

crudReplace :: Key item -> item -> GHandler (Crud master item) master ()

crudInsert :: item -> GHandler (Crud master item) master (Key item)

crudGet :: Key item -> GHandler (Crud master item) master (Maybe item)

crudDelete :: Key item -> GHandler (Crud master item) master ()

Instances

(Yesod master, Item item, SinglePiece (Key item)) => YesodSubSite (Crud master item) master

data CrudRoute

Constructors

CrudListR

CrudAddR

CrudEditR String

CrudDeleteR String

Instances

Eq CrudRoute

Read CrudRoute

Show CrudRoute

defaultCrud :: (PersistEntity i, PersistBackend (YesodDB a (GHandler (Crud a i) a)), YesodPersist a) => a -> Crud a i

A default Crud value which relies about persistent and Yesod.Form.