tasks tutorial complete

Author: Andreas Nordahl

Procfile

@@ -0,0 +1 @@
+web: target/start -Dhttp.port=${PORT} -DapplyEvolutions.default=true -Ddb.default.url=${DATABASE_URL} -Ddb.default.driver=org.postgresql.Driver

app/controllers/Application.java

@@ -1,14 +1,41 @@
 package controllers;
 
+import models.Task;
 import play.*;
+import play.data.Form;
 import play.mvc.*;
 
 import views.html.*;
 
 public class Application extends Controller {
-  
+
+    static Form<Task> taskForm = Form.form(Task.class);
+
     public static Result index() {
-        return ok(index.render("Your new application is ready."));
+        return redirect(routes.Application.tasks());
     }
-  
+
+    public static Result tasks() {
+        return ok(
+                views.html.index.render(Task.all(), taskForm)
+        );
+    }
+
+    public static Result newTask() {
+        Form<Task> filledForm = taskForm.bindFromRequest();
+        if(filledForm.hasErrors()) {
+            return badRequest(
+                    views.html.index.render(Task.all(), filledForm)
+            );
+        } else {
+            Task.create(filledForm.get());
+            return redirect(routes.Application.tasks());
+        }
+    }
+
+    public static Result deleteTask(Long id) {
+        Task.delete(id);
+        return redirect(routes.Application.tasks());
+    }
+
 }

app/models/Task.java

@@ -0,0 +1,35 @@
+package models;
+
+import play.data.validation.Constraints.Required;
+import play.db.ebean.Model;
+
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import java.util.List;
+
+@Entity
+public class Task extends Model {
+
+    @Id
+    public Long id;
+
+    @Required
+    public String label;
+
+    public static Finder<Long,Task> find = new Finder(
+            Long.class, Task.class
+    );
+
+    public static List<Task> all() {
+        return find.all();
+    }
+
+    public static void create(Task task) {
+        task.save();
+    }
+
+    public static void delete(Long id) {
+        find.ref(id).delete();
+    }
+
+}

app/views/index.scala.html

@@ -1,7 +1,31 @@
-@(message: String)
+@(tasks: List[Task], taskForm: Form[Task])
+
+@import helper._
+
+@main("Todo list") {
+
+<h1>@tasks.size() task(s)</h1>
+
+<ul>
+    @for(task <- tasks) {
+    <li>
+        @task.label
+
+        @form(routes.Application.deleteTask(task.id)) {
+        <input type="submit" value="Delete">
+        }
+    </li>
+    }
+</ul>
+
+<h2>Add a new task</h2>
+
+@form(routes.Application.newTask()) {
+
+@inputText(taskForm("label"))
+
+<input type="submit" value="Create">
 
-@main("Welcome to Play 2.1") {
-    
-    @play20.welcome(message, style = "Java")
-    
 }
+
+}

conf/application.conf

@@ -32,9 +32,9 @@ application.langs="en"
 # ~~~~~ 
 # You can declare as many datasources as you want.
 # By convention, the default datasource is named `default`
-#
-# db.default.driver=org.h2.Driver
-# db.default.url="jdbc:h2:mem:play"
+
+db.default.driver=org.h2.Driver
+db.default.url="jdbc:h2:mem:play"
 # db.default.user=sa
 # db.default.password=""
 #
@@ -50,8 +50,8 @@ application.langs="en"
 # ~~~~~
 # You can declare as many Ebean servers as you want.
 # By convention, the default server is named `default`
-#
-# ebean.default="models.*"
+
+ebean.default="models.*"
 
 # Logger
 # ~~~~~

conf/evolutions/default/1.sql

@@ -0,0 +1,26 @@
+# --- Created by Ebean DDL
+# To stop Ebean DDL generation, remove this comment and start using Evolutions
+
+# --- !Ups
+
+create table task (
+  id                        bigint not null,
+  label                     varchar(255),
+  constraint pk_task primary key (id))
+;
+
+create sequence task_seq;
+
+
+
+
+# --- !Downs
+
+SET REFERENTIAL_INTEGRITY FALSE;
+
+drop table if exists task;
+
+SET REFERENTIAL_INTEGRITY TRUE;
+
+drop sequence if exists task_seq;
+

conf/routes

@@ -5,5 +5,10 @@
 # Home page
 GET     /                           controllers.Application.index()
 
+# Tasks
+GET     /tasks                  controllers.Application.tasks()
+POST    /tasks                  controllers.Application.newTask()
+POST    /tasks/:id/delete       controllers.Application.deleteTask(id: Long)
+
 # Map static resources from the /public folder to the /assets URL path
 GET     /assets/*file               controllers.Assets.at(path="/public", file)

project/Build.scala

@@ -8,7 +8,8 @@ object ApplicationBuild extends Build {
   val appVersion      = "1.0-SNAPSHOT"
 
   val appDependencies = Seq(
-    // Add your project dependencies here,
+    "postgresql" % "postgresql" % "8.4-702.jdbc4",
+    
     javaCore,
     javaJdbc,
     javaEbean
@@ -18,4 +19,5 @@ object ApplicationBuild extends Build {
     // Add your own project settings here      
   )
 
+
 }