Doh! Sorry about that - im using a bunch of implicit conversions that I wrote for my specific application (as I had beef with not being able to configure the root node of the response xml generically - im still looking for a good solution to this but here's what I have)
Stick this in the same file: http://gist.github.com/137066 Hope that helps Cheers, Tim On Jun 27, 6:51 pm, fbettag <fr...@bett.ag> wrote: > This looks alot cleaner than my try. Anyhow, using the update/create > in one method is only useful if you give your db-objects something > like a unique key identifier in form of a string. > Since mine only consist of an id, name (with spaces and trash-chars), > content and a mappedlocale, i am not sure if it is so good to simply > create an entry for id 50234 just because somebody tries to "update" > it ;) > I hope you get my draft. > > Also this irritates me: > // user methods > def listUsers(): LiftResponse = { > val users = User.findAll.flatMap(_.toXml) > // XmlResponse(wrapXmlBody("users",users.open_!)) > ("users",users) > } > > NetBeans shows me an Error that ("users",users) is a type mismatch. > found: (java.lang.String, List[scala.xml.Node]) > required: net.liftweb.http.LiftResponse (obvious) > > I tried something like this, but understanding Box[] and making the > best of it still gives me headaches: > val obj: Content = if (inContentid == "new") new Content; > else Content.find(By(Content.id, inContentid.toLong)); > > Also NetBeans always complains that wrapXmlBody was not found. I > googled for it but i really couldn't find anything to it which would > have turned up the import path i'd have to use. > > best regards > > On Jun 27, 11:33 am, Timothy Perrett <timo...@getintheloop.eu> wrote: > > > > > I read your post with interest - having built quite a large ROA with > > Lift. Here's what I have with a simple bit of REST user management: > > > def dispatch: LiftRules.DispatchPF = { > > // user methods > > case Req("api" :: "users" :: Nil, "", GetRequest) => () => > > listUsers() > > case Req("api" :: "user" :: user :: Nil, "", GetRequest) => () => > > showUser(user) > > case r @ Req("api" :: "user" :: user :: Nil, "", PutRequest) => () > > => addOrUpdateUser(user, r) > > case Req("api" :: "user" :: user :: Nil, "", DeleteRequest) => () > > => deleteUser(user) > > .... > > } > > > // user methods > > def listUsers(): LiftResponse = { > > val users = User.findAll.flatMap(_.toXml) > > // XmlResponse(wrapXmlBody("users",users.open_!)) > > ("users",users) > > } > > > def showUser(inUsername: String): LiftResponse = { > > val user: Box[NodeSeq] = for(user <- User.find(By(User.username, > > inUsername))) yield user.toXml > > ("users",user) > > } > > > def addOrUpdateUser(inUsername: String, req: Req): LiftResponse = { > > var user = User.find(By(User.username, inUsername)) openOr new > > User > > user.username(inUsername) > > req.xml match { > > case Full(<user>{paramaters @ _*}</user>) => { > > for(paramater <- paramaters){ > > paramater match { > > case <firstname>{firstname}</firstname> => user.firstName > > (firstname) > > case <lastname>{lastname}</lastname> => user.lastName > > (lastname) > > case <email>{email}</email> => user.email(email) > > case <superuser>{superuser}</superuser> => user.superUser > > (superuser.text.toBoolean) > > case <active>{active}</active> => user.active > > (active.text.toBoolean) > > case <password>{password}</password> => user.password > > (password.text) > > case _ => > > } > > } > > try { > > user.save > > CreatedResponse(wrapXmlBody("user",user.toXml), "text/xml") > > } catch { > > case e => Log.error("Could not save user", e); > > InternalServerErrorResponse() > > } > > } > > case _ => Log.error("Request was malformed"); BadResponse() > > } > > } > > > The main difference is that I see no need for seperate add and update > > methods - generally speaking the semantics are the same in rest. For > > instance: > > > GET - /users (lists all the users) > > GET - /user/timperrett (displays just timperrett user) > > PUT - /user/timperrett (if no user exists, create a new one, > > otherwise, update the existing one) > > > This is a fairly pure ROA, if you have url's like /user/add/timperrett > > - that is less REST and more RPC action based servicing. > > > Thoughts? > > > Cheers, Tim > > > On Jun 27, 5:15 am, fbettag <fr...@bett.ag> wrote: > > > > Hey guys, > > > > i've been playing around with REST all night, the list, add and delete > > > is working great so far. > > > The problem is, that upon update, it returns me an empty page and > > > doesn't run through the update functionality. > > > Any ideas what the problem in my update method might be? > > > > This is what i got from the samples of the liftweb sources: > > > > object Layouts { > > > // Register the Layouts webservice with the dispatcher > > > def init() { > > > LiftRules.dispatch.append(NamedPF("Layouts WebService") { > > > case Req("layouts" :: "list" :: Nil, _, > > > GetRequest) => > > > () => Full(list()) > > > > case Req("layouts" :: "add" :: Nil, _, rt) > > > if rt == GetRequest || rt == PostRequest > > > || rt == PutRequest => > > > () => Full(add()) > > > > case Req("layouts" :: "update" :: Nil, _, rt) > > > if rt == GetRequest || rt == PostRequest > > > || rt == PutRequest => > > > () => Full(update()) > > > > case Req("layouts" :: "delete" :: Nil, _, rt) > > > if rt == GetRequest || rt == PostRequest || rt == > > > DeleteRequest > > > => > > > () => Full(delete()) > > > }) > > > } > > > > // List all Layouts as XML > > > def list(): XmlResponse = > > > XmlResponse( > > > <results> > > > { > > > Layout.findAll.map(_.toXml) > > > } > > > </results> > > > ) > > > > // extract the parameters, create the layout > > > // return the appropriate response > > > def add(): LiftResponse = > > > (for { > > > name <- S.param("name") ?~ "name parameter > > > missing" > > > layout <- S.param("layout") ?~ "layout content > > > missing" > > > language <- S.param("language") ?~ "language > > > parameter missing" > > > } yield { > > > val l = > > > Layout.create.name(name).layout(layout).language(language) > > > l.save > > > }) match { > > > case Full(success) => XmlResponse(<add > > > success={success.toString}/>) > > > > case Failure(msg, _, _) => > > > NotAcceptableResponse(msg) > > > case _ => NotFoundResponse() > > > } > > > > // extract the parameters, create the layout > > > // return the appropriate response > > > def update(): LiftResponse = > > > (for { > > > id <- S.param("id") ?~ "id parameter missing" > > > name <- S.param("name") > > > layout <- S.param("layout") > > > language <- S.param("language") > > > } yield { > > > var l = Layout.findAll(By(Layout.id, > > > id.toLong)).first > > > if (name != "") l.name(name) > > > if (layout != "") l.layout(layout) > > > if (language != "") l.language(language) > > > l.save > > > }) match { > > > case Full(success) => XmlResponse(<update success= > > > {success.toString}/>) > > > case Failure(msg, _, _) => > > > NotAcceptableResponse(msg) > > > case _ => NotFoundResponse() > > > } > > > > // extract the parameters, delete the layout > > > // return the appropriate response > > > def delete(): LiftResponse = > > > (for { > > > id <- S.param("id") ?~ "id parameter missing" > > > } yield { > > > Layout.findAll(By(Layout.id, > > > id.toLong)).first.delete_! > > > }) match { > > > case Full(success) => XmlResponse(<delete success= > > > {success.toString}/>) > > > case Failure(msg, _, _) => > > > NotAcceptableResponse(msg) > > > case _ => NotFoundResponse() > > > } > > > > } > > > > The Idea is to create a Scala/Liftweb based CMS which is administrated > > > over a jQuery Window Interface. So a user can manage everything (and > > > see live-changes on the page) without having an extra Browser-Window > > > for the administration interface open. > > > > Authentication isn't builtin yet tho ;) I'll get to that when the bare > > > system is working. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Lift" group. To post to this group, send email to liftweb@googlegroups.com To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/liftweb?hl=en -~----------~----~----~----~------~----~------~--~---
