I am trying to permit upload of a profile photo to go with a member. My
edit method is below. (I'm using id numbers in the URL, which explains
the first part of the code. Sue me.)
The problem is that no matter where I move the damn Model.merge() call,
I get one of two outcomes on persisting a new object, neither of them
salutary:
1. I end up with an image file named image_0.jpg. This despite calling
merge *before* I determine the file name. So why is the ID still 0 after
the merge?
2. I end up with two (2) new members!
It works fine on edit, so currently my workaround is to create a new
member, then go back and upload the photo. But surely there is a way
around this... I just can't seem to wrap my head around this detached stuff.
def edit (xhtml : NodeSeq) : NodeSeq = {
val member = S.param("id").openOr("new") match {
case "new" => new Member()
case id => Model.createNamedQuery[Member]("findMemberById",
"id" -> getId(id)).findOne match {
case Full(m) => m
case _ => S.error("Cannot find member with id #" + id)
redirectTo("/admin/members/")
}
}
def addOrUpdate () = {
val f = for (
ul <- theUpload.is;
uf <- Box.legacyNullTest(ul)
) yield uf
if (member.nameLast.length == 0) {
S.error("The member's last name cannot be blank")
} else {
Model.merge(member)
Model.flush()
f match {
case Full(p) => if (p.mimeType.contains("image/")) {
member.fileSize = p.file.length
member.mimeType = p.mimeType
member.fileName = "image_" +
member.id.toString + "." +
member.mimeType.replaceAll("image/","").
replaceAll("jpeg", "jpg")
Model.merge(member)
Model.flush()
val fos: FileOutputStream = new FileOutputStream(
absolutePath() + "images/profile/" +
member.fileName
)
fos.write(p.file)
fos.close()
}
case _ =>
}
redirectTo("/admin/members/")
}
}
bind("member", xhtml,
"name" -> FocusOnLoad(SHtml.text(member.name, member.name = _,
("size", "24"))),
"fileUpload" -> SHtml.fileUpload(u => theUpload(Full(u))),
"submit" -> SHtml.submit("Save", addOrUpdate)
)
}
Any and all ideas appreciated.
Chas.
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