Scala Messages类代码示例

//设置package包名称以及导入依赖的类
package controllers

import javax.inject._

import models.{ContactDB, MongoConnector}
import play.api._
import play.api.i18n.Messages
import play.api.mvc._
import play.api.mvc.{Action, Controller, Flash, Request}
import play.api.data.Form
import play.api.data.Forms._
import play.api.data.Forms.{mapping, nonEmptyText}


import play.api.data.Forms.{longNumber, mapping, nonEmptyText}
import play.api.i18n.Messages.Implicits._
import play.api.Play.current
import scala.concurrent.ExecutionContext.Implicits.global



@Singleton
class ContactController  @Inject() extends Controller{

  val contactForm = Form(tuple(
    "Name" -> text,
      "Email" -> text,
      "Message" -> text
    ))

  def saveContact = Action {
    implicit request =>
      val newContactForm = contactForm.bindFromRequest()
      newContactForm.fold(success = {
        newContact =>
          //Create a contact object using form data
          val newContactID = ContactDB.findNextID()
          print(newContactID)
          println(newContact._2)
          val newContactRequest = new ContactDB(newContactID, newContact._1, newContact._2, newContact._3)

          //Insert into contact collection
          MongoConnector.collectionContact.insert(newContactRequest)
          Ok(views.html.home())
      }, hasErrors = {
        form =>
          Redirect(routes.ContactController.contact()).flashing(Flash(form.data) + ("error" -> Messages("contact.validation.errors")))
      })
      }

  def contact = Action {
    implicit request =>
      val form = if (request2flash.get("error").isDefined)
        contactForm.bind(request2flash.data)
      else
        contactForm
      Ok(views.html.contact(form))
  }


} 

//设置package包名称以及导入依赖的类
package controllers

import javax.inject.{Inject, Singleton}

import com.mohiva.play.silhouette.api.Silhouette
import forms.SignupForm
import play.api.i18n.{I18nSupport, Messages, MessagesApi}
import play.api.mvc.{Action, Controller, Flash}
import utils.auth.DefaultEnv


@Singleton
class SignupController @Inject()
(
  val messagesApi: MessagesApi,
  silhouette: Silhouette[DefaultEnv]
) extends Controller with I18nSupport {

  def createUser = Action { implicit request =>
    println("trying to create!")
    SignupForm.form.bindFromRequest.fold(
      hasErrors = { form =>
        Redirect(routes.SignupController.registerPage())
          .flashing(Flash(form.data) + ("error" -> Messages("validation.errors")))
      },
      success = { signupData =>
        println(s"creating a new user $signupData")
        Redirect(routes.BookmarkController.list())
      }
    )
  }

  
  def registerPage = silhouette.UnsecuredAction { implicit request =>
    Ok(views.html.users.register(SignupForm.form))
  }
} 

//设置package包名称以及导入依赖的类
package controllers

import javax.inject.Inject

import com.mohiva.play.silhouette.api._
import com.mohiva.play.silhouette.api.exceptions.ProviderException
import com.mohiva.play.silhouette.api.repositories.AuthInfoRepository
import com.mohiva.play.silhouette.api.util.{ Credentials, PasswordHasherRegistry, PasswordInfo }
import com.mohiva.play.silhouette.impl.providers.CredentialsProvider
import models.services.UserService
import play.api.i18n.{ I18nSupport, Messages, MessagesApi }
import play.api.libs.concurrent.Execution.Implicits._
import play.api.mvc.Controller
import utils.auth.{ DefaultEnv, WithProvider }

import scala.concurrent.Future

class ChangePasswordController @Inject() (
  val messagesApi: MessagesApi,
  silhouette: Silhouette[DefaultEnv],
  userService: UserService,
  credentialsProvider: CredentialsProvider,
  authInfoRepository: AuthInfoRepository,
  passwordHasherRegistry: PasswordHasherRegistry
)
  extends Controller with I18nSupport {

  def view = silhouette.SecuredAction(WithProvider[DefaultEnv#A](CredentialsProvider.ID)) { implicit request =>
    Ok(views.html.changePassword(new myform.MyChangePasswordForm(), request.identity))
  }

  def submit = silhouette.SecuredAction(WithProvider[DefaultEnv#A](CredentialsProvider.ID)).async { implicit request =>
    new myform.MyChangePasswordForm().bindFromRequest match {
      case form: myform.MyChangePasswordForm => Future.successful(BadRequest(views.html.changePassword(form, request.identity)))
      case data: myform.MyChangePasswordFormData => {
        val (currentPassword, newPassword) = (data.currentPassword, data.newPassword)
        val credentials = Credentials(request.identity.email.getOrElse(""), currentPassword)
        credentialsProvider.authenticate(credentials).flatMap { loginInfo =>
          val passwordInfo = passwordHasherRegistry.current.hash(newPassword)
          authInfoRepository.update[PasswordInfo](loginInfo, passwordInfo).map { _ =>
            Redirect(routes.ChangePasswordController.view()).flashing("success" -> Messages("password.changed"))
          }
        }.recover {
          case e: ProviderException =>
            Redirect(routes.ChangePasswordController.view()).flashing("error" -> Messages("current.password.invalid"))
        }
      }
    }
  }
} 

//设置package包名称以及导入依赖的类
package controllers

import java.util.UUID
import javax.inject.Inject

import com.mohiva.play.silhouette.api._
import com.mohiva.play.silhouette.api.repositories.AuthInfoRepository
import com.mohiva.play.silhouette.api.util.{ PasswordHasherRegistry, PasswordInfo }
import com.mohiva.play.silhouette.impl.providers.CredentialsProvider
import models.services.{ AuthTokenService, UserService }
import play.api.i18n.{ I18nSupport, Messages, MessagesApi }
import play.api.libs.concurrent.Execution.Implicits._
import play.api.mvc.Controller
import utils.auth.DefaultEnv

import scala.concurrent.Future

class ResetPasswordController @Inject() (
  val messagesApi: MessagesApi,
  silhouette: Silhouette[DefaultEnv],
  userService: UserService,
  authInfoRepository: AuthInfoRepository,
  passwordHasherRegistry: PasswordHasherRegistry,
  authTokenService: AuthTokenService
)
  extends Controller with I18nSupport {

  def view(token: UUID) = silhouette.UnsecuredAction.async { implicit request =>
    authTokenService.validate(token).map {
      case Some(authToken) => Ok(views.html.resetPassword(new myform.MyResetPasswordForm(), token))
      case None => Redirect(routes.SignInController.view()).flashing("error" -> Messages("invalid.reset.link"))
    }
  }

  def submit(token: UUID) = silhouette.UnsecuredAction.async { implicit request =>
    authTokenService.validate(token).flatMap {
      case Some(authToken) =>
        new myform.MyResetPasswordForm().bindFromRequest match {
          case form: myform.MyResetPasswordForm => Future.successful(BadRequest(views.html.resetPassword(form, token)))
          case data: myform.MyResetPasswordFormData => userService.retrieve(authToken.userID).flatMap {
            case Some(user) if user.loginInfo.providerID == CredentialsProvider.ID =>
              val passwordInfo = passwordHasherRegistry.current.hash(data.password)
              authInfoRepository.update[PasswordInfo](user.loginInfo, passwordInfo).map { _ =>
                Redirect(routes.SignInController.view()).flashing("success" -> Messages("password.reset"))
              }
            case _ => Future.successful(Redirect(routes.SignInController.view()).flashing("error" -> Messages("invalid.reset.link")))
          }
        }
      case None => Future.successful(Redirect(routes.SignInController.view()).flashing("error" -> Messages("invalid.reset.link")))
    }
  }
} 

//设置package包名称以及导入依赖的类
package controllers

import javax.inject.Inject

import com.mohiva.play.silhouette.api._
import com.mohiva.play.silhouette.impl.providers.CredentialsProvider
import models.services.{ AuthTokenService, UserService }
import models.daos._
import play.api.i18n.{ I18nSupport, Messages, MessagesApi }
import play.api.libs.concurrent.Execution.Implicits._
import play.api.libs.mailer.{ Email, MailerClient }
import play.api.mvc.Controller
import utils.auth.DefaultEnv

import scala.concurrent.Future

class ForgotPasswordController @Inject() (
  val messagesApi: MessagesApi,
  silhouette: Silhouette[DefaultEnv],
  userService: UserService,
  authTokenService: AuthTokenService,
  mailerClient: MailerClient,
  envDAO: EnvDAO
)
  extends Controller with I18nSupport {

  def view = silhouette.UnsecuredAction.async { implicit request =>
    Future.successful(Ok(views.html.forgotPassword(new myform.MyForgotPasswordForm())))
  }

  def submit = silhouette.UnsecuredAction.async { implicit request =>
    new myform.MyForgotPasswordForm().bindFromRequest match {
      case form: myform.MyForgotPasswordForm => Future.successful(BadRequest(views.html.forgotPassword(form)))
      case data: myform.MyForgotPasswordFormData => {
        val email = data.email
        val loginInfo = LoginInfo(CredentialsProvider.ID, email)
        val result = Redirect(routes.SignInController.view()).flashing("info" -> Messages("reset.email.sent"))
        userService.retrieve(loginInfo).flatMap {
          case Some(user) if user.email.isDefined =>
            authTokenService.create(user.userID).map { authToken =>
              val url = routes.ResetPasswordController.view(authToken.id).absoluteURL()
              println("url " + url)
              if (envDAO.getDosendmail) mailerClient.send(Email(
                subject = Messages("email.reset.password.subject"),
                from = Messages("email.from"),
                to = Seq(email),
                bodyText = Some(views.txt.emails.resetPassword(user, url).body),
                bodyHtml = Some(views.html.emails.resetPassword(user, url).body)
              ))
              result
            }
          case None => Future.successful(result)
        }
      }
    }
  }
} 

//设置package包名称以及导入依赖的类
package play.api.libs.json

import play.api.data.validation.ValidationError
import play.api.i18n.Messages

object RichJsError {

  def toI18NJson(e: JsError)(messages: Messages): JsObject = toI18NJson(e.errors)(messages)

  private def toI18NJson(errors: Seq[(JsPath, Seq[ValidationError])])(messages: Messages): JsObject = {
    val argsWrite = Writes.traversableWrites[Any](Writes.anyWrites)
    errors.foldLeft(Json.obj()) { (obj, error) =>
      obj ++ Json.obj(error._1.toJsonString -> error._2.foldLeft(Json.arr()) { (arr, err) =>
        arr :+ JsString( play.api.i18n.Messages(err.messages, err.args)(messages) )
      })
    }
  }

} 

//设置package包名称以及导入依赖的类
package controllers

import play.api.mvc._
import javax.inject.Inject
import play.api.i18n.{Messages, MessagesApi, I18nSupport}
import play.api.data.Form
import play.api.data.Forms.{mapping, longNumber, nonEmptyText}
import models.Product

class Products @Inject() (val messagesApi: MessagesApi) extends Controller with I18nSupport {
  def list = Action { implicit request =>
    val products = Product.findAll
    Ok(views.html.products.list(products))
  }

  def show(ean: Long) = Action {
    implicit request => Product.findByEan(ean).map {
      // rendering product details
      product => Ok(views.html.products.details(product))
    }.getOrElse(NotFound)  // return page 404
  }

  private val productForm: Form[Product] = Form(
    mapping(
      "ean" -> longNumber.verifying("validation.ean.duplicate", Product.findByEan(_).isEmpty),  // form? field? ????
      "name" -> nonEmptyText,
      "description" -> nonEmptyText
    )(Product.apply)(Product.unapply) // form? model ?? mapping
  )

  def save = Action {
    implicit request => val newProductForm = productForm.bindFromRequest()

    newProductForm.fold(
      hasErrors = {
        form => Redirect(routes.Products.newProduct()).
          flashing(Flash(form.data) + ("error" -> Messages("validation.errors")))
      },
      success = {
        newProduct => Product.add(newProduct)
        val message = Messages("products.new.success", newProduct.name)
        Redirect(routes.Products.show(newProduct.ean)).flashing("success" -> message)
      }
    )
  }

  def newProduct = Action {
    implicit request => val form = if (request2flash.get("error").isDefined)
      productForm.bind(request2flash.data)
    else
      productForm

    Ok(views.html.products.editProduct(form))
  }
} 

//设置package包名称以及导入依赖的类
package controllers

import javax.inject.Inject

import scala.concurrent.Future
import com.mohiva.play.silhouette.api.Silhouette
import play.api.libs.json._
import play.api.mvc._
import play.api.i18n.{I18nSupport, Messages, MessagesApi}
import models.User
import User._
import com.mohiva.play.silhouette.api.actions.SecuredErrorHandler
import utils.auth.CookieEnv

class RestApi @Inject() (
                          val messagesApi: MessagesApi,
                          val silhouette: Silhouette[CookieEnv]) extends Controller with I18nSupport {

  import silhouette._

  def profile = SecuredAction.async { implicit request =>
    val json = Json.toJson(request.identity.profileFor(request.authenticator.loginInfo).get)
    val prunedJson = json.transform(
      (__ \ 'loginInfo).json.prune andThen
        (__ \ 'passordInfo).json.prune andThen
        (__ \ 'oauth1Info).json.prune)
    prunedJson.fold(
      _ => Future.successful(InternalServerError(Json.obj("error" -> Messages("error.profileError")))),
      js => Future.successful(Ok(js))
    )
  }

  val errorHandler = new SecuredErrorHandler {
    override def onNotAuthenticated(implicit request: RequestHeader) = {
      Future.successful(Unauthorized(Json.obj("error" -> Messages("error.profileUnauth"))))
    }
    override def onNotAuthorized(implicit request: RequestHeader) = {
      Future.successful(Forbidden("local.not.authorized"))
    }
  }
} 

//设置package包名称以及导入依赖的类
package utils

import javax.inject.Inject

import scala.concurrent.Future
import scala.concurrent.duration._
import scala.language.postfixOps

import play.api.Configuration
import play.api.libs.concurrent.Execution.Implicits._
import play.api.i18n.Messages
import play.api.libs.mailer._

import models.Profile

class Mailer @Inject() (configuration:Configuration, mailer:MailerClient) {
  val from = configuration.getString("mail.from").get
  val replyTo = configuration.getString("mail.reply")

  def sendEmailAsync(recipients:String*)(subject:String, bodyHtml:Option[String], bodyText:Option[String]) = {
    Future {
      sendEmail(recipients:_*)(subject, bodyHtml, bodyText)
    } recover {
      case e => play.api.Logger.error("error sending email", e)
    }
  }

  def sendEmail(recipients:String*)(subject:String, bodyHtml:Option[String], bodyText:Option[String]) {
    val email = Email(subject = subject, from = from, to = recipients, bodyHtml = bodyHtml, bodyText = bodyText, replyTo = replyTo)
    mailer.send(email)
    ()
  }

  def welcome(profile:Profile, link:String)(implicit messages:Messages) = {
    sendEmailAsync(profile.email.get)(
      subject = Messages("mail.welcome.subject"),
      bodyHtml = Some(views.html.mails.welcome(profile.firstName.get, link).toString),
      bodyText = Some(views.html.mails.welcomeText(profile.firstName.get, link).toString)
    )
  }

  def resetPassword(email:String, link:String)(implicit messages:Messages) = {
    sendEmailAsync(email)(
      subject = Messages("mail.reset.subject"),
      bodyHtml = Some(views.html.mails.resetPassword(email, link).toString),
      bodyText = Some(views.html.mails.resetPasswordText(email, link).toString)
    )
  }
} 

//设置package包名称以及导入依赖的类
package utils

import javax.inject.{Inject, Provider}

import com.mohiva.play.silhouette.api.actions.SecuredErrorHandler
import play.api.http.DefaultHttpErrorHandler
import play.api.i18n.{I18nSupport, Messages, MessagesApi}
import play.api.mvc.Results._
import play.api.mvc.{RequestHeader, Result}
import play.api.routing.Router
import play.api.{Configuration, OptionalSourceMapper}

import scala.concurrent.Future
import controllers.{WebJarAssets, routes}

class ErrorHandler @Inject() (
                               val messagesApi: MessagesApi,
                               env: play.api.Environment,
                               config: Configuration,
                               sourceMapper: OptionalSourceMapper,
                               router: javax.inject.Provider[Router],
                               p: Provider[WebJarAssets])
  extends DefaultHttpErrorHandler(env, config, sourceMapper, router)
    with SecuredErrorHandler with I18nSupport {

  // https://www.playframework.com/documentation/2.5.x/Migration25#Handling-legacy-components
  implicit lazy val webJarAssets = p.get()

  override def onNotAuthenticated(implicit request: RequestHeader): Future[Result] =
    Future.successful(Redirect(routes.Auth.signIn()))

  override def onNotAuthorized(implicit request: RequestHeader): Future[Result] =
    Future.successful(Redirect(routes.Auth.signIn()).flashing("error" -> Messages("error.accessDenied")))

  override def onNotFound(request: RequestHeader, message: String): Future[Result] =
    Future.successful(Ok(views.html.errors.notFound(request)))

  override def onServerError(request:RequestHeader, exception:Throwable):Future[Result] =
    Future.successful(Ok(views.html.errors.serverError(request, exception)))
} 

//设置package包名称以及导入依赖的类
package utils

import javax.inject.Inject

import scala.concurrent.Future
import play.api._
import play.api.i18n.{I18nSupport, Messages, MessagesApi}
import play.api.mvc._
import Results.Ok
import akka.stream.Materializer
import play.api.http.HttpFilters
import play.filters.csrf.CSRFFilter
import controllers.routes

// If we configure play.http.forwarded.trustedProxies correctly, we don't need this filter... right? right!?

class HttpsOnlyFilter @Inject() (implicit val mat:Materializer, val messagesApi:MessagesApi) extends Filter with I18nSupport {
  def apply(nextFilter:RequestHeader => Future[Result])(request:RequestHeader):Future[Result] = {
    implicit val r = request
    request.headers.get("X-Forwarded-Proto").map {
      case "https" => nextFilter(request)
      case _ => Future.successful(Ok(views.html.errors.onlyHttpsAllowed()))
    }.getOrElse(nextFilter(request))
  }
}

class Filters @Inject() (
                          configuration:Configuration,
                          csrfFilter:CSRFFilter,
                          httpsOnlyFilter:HttpsOnlyFilter) extends HttpFilters {

  val map = Map("application.proxy.httpsOnly" -> httpsOnlyFilter)
  override def filters = csrfFilter +: map.foldRight[Seq[EssentialFilter]](Seq.empty) { case ((k,f),filters) =>
    configuration.getBoolean(k) collect {
      case true => f +: filters
    } getOrElse filters
  }
} 

//设置package包名称以及导入依赖的类
package v1.news

import javax.inject.Inject

import play.api.http.HttpVerbs
import play.api.i18n.{Messages, MessagesApi}
import play.api.mvc._
import play.api.http.HeaderNames

import scala.concurrent.{ExecutionContext, Future}


class CommentsAction @Inject()(messagesApi: MessagesApi)(
    implicit ec: ExecutionContext)
    extends ActionBuilder[CommentsRequest]
    with HttpVerbs {

  type CommentsRequestBlock[A] = CommentsRequest[A] => Future[Result]

  private val logger = org.slf4j.LoggerFactory.getLogger(this.getClass)

  override def invokeBlock[A](request: Request[A],
                              block: CommentsRequestBlock[A]): Future[Result] = {
    if (logger.isTraceEnabled()) {
      logger.trace(s"invokeBlock: request = $request")
    }

    val messages = messagesApi.preferred(request)
    val future = block(new CommentsRequest(request, messages))

    future.map { result =>
      request.method match {
        case GET | HEAD =>
          result.withHeaders("Cache-Control" -> s"max-age: 100")
        case other =>
          result
      }
    }
  }
} 

//设置package包名称以及导入依赖的类
package v1.post

import javax.inject.Inject

import play.api.http.HttpVerbs
import play.api.i18n.{Messages, MessagesApi}
import play.api.mvc._

import scala.concurrent.{ExecutionContext, Future}


class PostAction @Inject()(messagesApi: MessagesApi)(
    implicit ec: ExecutionContext)
    extends ActionBuilder[PostRequest]
    with HttpVerbs {

  type PostRequestBlock[A] = PostRequest[A] => Future[Result]

  private val logger = org.slf4j.LoggerFactory.getLogger(this.getClass)

  override def invokeBlock[A](request: Request[A],
                              block: PostRequestBlock[A]): Future[Result] = {
    if (logger.isTraceEnabled()) {
      logger.trace(s"invokeBlock: request = $request")
    }

    val messages = messagesApi.preferred(request)
    val future = block(new PostRequest(request, messages))

    future.map { result =>
      request.method match {
        case GET | HEAD =>
          result.withHeaders("Cache-Control" -> s"max-age: 100")
        case other =>
          result
      }
    }
  }
} 

//设置package包名称以及导入依赖的类
package controllers

import com.google.inject.Inject
import models.{Apartment, ApartmentForm}
import play.api.i18n.{Messages, I18nSupport, MessagesApi}
import play.api.mvc.{Action, Controller}
import services.ApartmentService

import scala.concurrent.Future
import scala.concurrent.ExecutionContext.Implicits._


class ApartmentController @Inject()(apartmentService: ApartmentService, val messagesApi: MessagesApi) extends Controller with I18nSupport with Secured {

  def dashboard = IsAuthenticated {
  username =>
     implicit request =>
      apartmentService.listAllApartments map {
        apartments => Ok(views.html.apartment(ApartmentForm.form, apartments))
      }
  }

  def addApartment() = Action.async { implicit request =>
    ApartmentForm.form.bindFromRequest.fold(
      errorForm => Future.successful(Ok(views.html.apartment(errorForm, Seq.empty[Apartment]))),
      data => {
        val newApartment = Apartment(0, data.name, data.rooms, data.area)
        apartmentService.addApartment(newApartment).map(res =>
          Redirect(routes.ApartmentController.dashboard()).flashing(Messages("flash.success") -> res)
        )
      })

  }

  def deleteApartment(id: Long) = Action.async { implicit request =>
    apartmentService.deleteApartment(id) map { res =>
      Redirect(routes.ApartmentController.dashboard())

    }

  }
} 

//设置package包名称以及导入依赖的类
package controllers

import com.google.inject.Inject
import models.{Tenant, TenantForm}
import play.api.i18n.{Messages, I18nSupport, MessagesApi}
import play.api.mvc.{Action, Controller}
import services.TenantService
import play.api.libs.concurrent.Execution.Implicits._

import scala.concurrent.Future


class TenantController @Inject()(tenantService: TenantService, val messagesApi: MessagesApi) extends Controller with I18nSupport with Secured {

  def dashboard = IsAuthenticated {
    username =>
     implicit request =>
      tenantService.listAllTenants map {
      tenants => Ok(views.html.tenant(TenantForm.form, tenants))
    }
  }

  def addTenant() = Action.async { implicit request =>
    TenantForm.form.bindFromRequest.fold(
      errorForm => Future.successful(Ok(views.html.tenant(errorForm, Seq.empty[Tenant]))),
      data => {
        val newTenant = Tenant(0, data.firstName, data.lastName, data.mobile, data.email)
        tenantService.addTenant(newTenant).map(res =>
          Redirect(routes.TenantController.dashboard()).flashing(Messages("flash.success") -> res)
        )
    })
  }

  def deleteTenant(id: Long) = Action.async { implicit request =>
    tenantService.deleteTenant(id) map { res =>
      Redirect(routes.TenantController.dashboard())

    }

  }

}