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it works!

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fiatjaf 2023-03-23 21:04:53 -03:00
parent fa7c9b632a
commit 570ee55359
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1 changed files with 79 additions and 50 deletions
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129
src/main/scala/Main.scala
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@ -1,3 +1,4 @@
import cats.data.*
import cats.effect.*
import cats.effect.syntax.all.*
import cats.syntax.all.*
@ -9,64 +10,92 @@ import calico.html.io.{*, given}
import calico.syntax.*
import snow.*
object Store {
def apply(window: Window[IO]): Resource[IO, Store] = {
val key = "nak-input"
for {
inputRef <- SignallingRef[IO].of("").toResource
_ <- Resource.eval {
OptionT(window.localStorage.getItem(key))
.foreachF(inputRef.set(_))
}
_ <- window.localStorage
.events(window)
.foreach {
case Storage.Event.Updated(`key`, _, value, _) =>
inputRef.set(value)
case _ => IO.unit
}
.compile
.drain
.background
_ <- inputRef.discrete
.foreach(input => IO.cede *> window.localStorage.setItem(key, input))
.compile
.drain
.background
} yield new Store(inputRef)
}
}
case class Store(input: SignallingRef[IO, String])
object Main extends IOWebApp {
def render: Resource[IO, HtmlDivElement[IO]] = {
div(
cls := "flex w-full h-full flex-col items-center justify-center",
h1(cls := "px-1 py-2 text-lg", "nostr army knife"),
def render: Resource[IO, HtmlDivElement[IO]] = Store(window).flatMap {
store =>
div(
cls := "flex justify-center my-3"
// button(cls := buttonCls, "generate event", onClick --> (_.foreach(_ => ))),
),
input()
)
cls := "flex w-full h-full flex-col items-center justify-center",
h1(cls := "px-1 py-2 text-lg", "nostr army knife"),
div(
cls := "flex justify-center my-3"
// button(cls := buttonCls, "generate event", onClick --> (_.foreach(_ => ))),
),
input(store),
result(store)
)
}
def input(): Resource[IO, HtmlDivElement[IO]] =
SignallingRef[IO]
.of("")
.toResource
.flatMap { input =>
div(
cls := "w-full",
div(
cls := "w-full flex justify-center",
textArea.withSelf { self =>
(
cls := "w-2/3 max-h-96 p-3",
styleAttr := "min-height: 200px",
placeholder := "paste something nostric",
onInput --> (_.foreach(_ => self.value.get.flatMap(input.set))),
value <-- input
)
}
def input(store: Store): Resource[IO, HtmlDivElement[IO]] =
div(
cls := "w-full",
div(
cls := "w-full flex justify-center",
textArea.withSelf { self =>
(
cls := "w-2/3 max-h-96 p-3",
styleAttr := "min-height: 200px",
placeholder := "paste something nostric",
onInput --> (_.foreach(_ =>
self.value.get.flatMap(store.input.set)
)),
value <-- store.input
)
)
}
}
)
)
def result(): Resource[IO, HtmlDivElement[IO]] =
SignallingRef[IO]
.of("")
.toResource
.flatMap { input =>
div(
cls := "w-full flex justify-center",
input.map(inp =>
if inp.trim() == "" then ""
else
decode[Event](inp) match {
case Right(event) => event.toString
case Left(err: io.circe.DecodingFailure) =>
err.pathToRootString match {
case Some(path) => s"field $path is missing or wrong"
case None => s"decoding ${err.pathToRootString}"
}
case Left(err: io.circe.ParsingFailure) =>
"not valid JSON"
def result(store: Store): Resource[IO, HtmlDivElement[IO]] =
div(
cls := "w-full flex justify-center",
store.input.map { input =>
if input.trim() == "" then ""
else
decode[Event](input) match {
case Right(event) => event.toString
case Left(err: io.circe.DecodingFailure) =>
err.pathToRootString match {
case Some(path) => s"field $path is missing or wrong"
case None => s"decoding ${err.pathToRootString}"
}
)
)
case Left(err: io.circe.ParsingFailure) =>
"not valid JSON"
}
}
)
val buttonCls =
"bg-blue-500 hover:bg-blue-700 text-white font-bold py-2 mx-2 px-4 rounded"