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|
package app
import cask.internal.Router
import com.typesafe.config.ConfigFactory
import io.getquill.{SnakeCase, SqliteJdbcContext}
import scalatags.Text.all._
import scalatags.Text.tags2
object TodoServer extends cask.MainRoutes{
val tmpDb = java.nio.file.Files.createTempDirectory("todo-cask-sqlite")
object ctx extends SqliteJdbcContext(
SnakeCase,
ConfigFactory.parseString(
s"""{"driverClassName":"org.sqlite.JDBC","jdbcUrl":"jdbc:sqlite:$tmpDb/file.db"}"""
)
)
class transactional extends cask.Decorator{
class TransactionFailed(val value: Router.Result.Error) extends Exception
def wrapFunction(pctx: cask.Request, delegate: Delegate): OuterReturned = {
try ctx.transaction(
delegate(Map()) match{
case Router.Result.Success(t) => Router.Result.Success(t)
case e: Router.Result.Error => throw new TransactionFailed(e)
}
)
catch{case e: TransactionFailed => e.value}
}
}
case class Todo(id: Int, checked: Boolean, text: String)
ctx.executeAction(
"""CREATE TABLE todo (
| id INTEGER PRIMARY KEY AUTOINCREMENT,
| checked BOOLEAN,
| text TEXT
|);
|""".stripMargin
)
ctx.executeAction(
"""INSERT INTO todo (checked, text) VALUES
|(1, 'Get started with Cask'),
|(0, 'Profit!');
|""".stripMargin
)
import ctx._
@transactional
@cask.post("/list/:state")
def list(state: String) = renderBody(state).render
@transactional
@cask.post("/add/:state")
def add(state: String, request: cask.Request) = {
val body = new String(request.readAllBytes())
run(query[Todo].insert(_.checked -> lift(false), _.text -> lift(body)).returning(_.id))
renderBody(state).render
}
@transactional
@cask.post("/delete/:state/:index")
def delete(state: String, index: Int) = {
run(query[Todo].filter(_.id == lift(index)).delete)
renderBody(state).render
}
@transactional
@cask.post("/toggle/:state/:index")
def toggle(state: String, index: Int) = {
run(query[Todo].filter(_.id == lift(index)).update(p => p.checked -> !p.checked))
renderBody(state).render
}
@transactional
@cask.post("/clear-completed/:state")
def clearCompleted(state: String) = {
run(query[Todo].filter(_.checked).delete)
renderBody(state).render
}
@transactional
@cask.post("/toggle-all/:state")
def toggleAll(state: String) = {
val next = run(query[Todo].filter(_.checked).size) != 0
run(query[Todo].update(_.checked -> !lift(next)))
renderBody(state).render
}
def renderBody(state: String) = {
val filteredTodos = state match{
case "all" => run(query[Todo]).sortBy(-_.id)
case "active" => run(query[Todo].filter(!_.checked)).sortBy(-_.id)
case "completed" => run(query[Todo].filter(_.checked)).sortBy(-_.id)
}
frag(
header(cls := "header",
h1("todos"),
input(cls := "new-todo", placeholder := "What needs to be done?", autofocus := "")
),
tags2.section(cls := "main",
input(
id := "toggle-all",
cls := "toggle-all",
`type` := "checkbox",
if (run(query[Todo].filter(_.checked).size != 0)) checked else ()
),
label(`for` := "toggle-all","Mark all as complete"),
ul(cls := "todo-list",
for(todo <- filteredTodos) yield li(
if (todo.checked) cls := "completed" else (),
div(cls := "view",
input(
cls := "toggle",
`type` := "checkbox",
if (todo.checked) checked else (),
data("todo-index") := todo.id
),
label(todo.text),
button(cls := "destroy", data("todo-index") := todo.id)
),
input(cls := "edit", value := todo.text)
)
)
),
footer(cls := "footer",
span(cls := "todo-count",
strong(run(query[Todo].filter(!_.checked).size).toInt),
" items left"
),
ul(cls := "filters",
li(cls := "todo-all",
a(if (state == "all") cls := "selected" else (), "All")
),
li(cls := "todo-active",
a(if (state == "active") cls := "selected" else (), "Active")
),
li(cls := "todo-completed",
a(if (state == "completed") cls := "selected" else (), "Completed")
)
),
button(cls := "clear-completed","Clear completed")
)
)
}
@transactional
@cask.get("/")
def index() = {
cask.Response(
"<!doctype html>" + html(lang := "en",
head(
meta(charset := "utf-8"),
meta(name := "viewport", content := "width=device-width, initial-scale=1"),
tags2.title("Template • TodoMVC"),
link(rel := "stylesheet", href := "/static/index.css")
),
body(
tags2.section(cls := "todoapp", renderBody("all")),
footer(cls := "info",
p("Double-click to edit a todo"),
p("Created by ",
a(href := "http://todomvc.com","Li Haoyi")
),
p("Part of ",
a(href := "http://todomvc.com","TodoMVC")
)
),
script(src := "/static/app.js")
)
)
)
}
@cask.staticResources("/static")
def static() = "todo"
initialize()
}
|
