Digits-delete WOD

app/controllers/Application.java

@@ -60,4 +60,15 @@ public static Result postContact() {
     }
 
   }
+
+  /**
+   * Deletes corresponding ID from ContactDB.
+   * @param id The id to delete.
+   * @return Index page.
+   */
+  public static Result deleteContact(long id) {
+    ContactDB.deleteContact(id);
+
+    return ok(Index.render(ContactDB.getContacts()));
+  }
 }

app/models/ContactDB.java

@@ -53,4 +53,19 @@ public static Contact getContact(long id) {
     }
   }
 
+  /**
+   * Deletes a specified id from the contacts Map.
+   * @param id The ID to delete.
+   */
+  public static void deleteContact(long id) {
+    Contact contact = contacts.get(id);
+
+    if (contact == null) {
+      throw new RuntimeException("Passed a bogus id: " + id);
+    }
+    else {
+      contacts.remove(id);
+    }
+  }
+
 }

app/views/Index.scala.html

@@ -16,7 +16,8 @@ <h1>Current Contacts</h1>
         <td>@contact.getFirstName()</td>
         <td>@contact.getLastName()</td>
         <td>@contact.getTelephone()</td>
-        <td><a href="@routes.Application.newContact(contact.getId())">Edit</a></td>
+        <td><a class="btn btn-warning btn-xs" href="@routes.Application.newContact(contact.getId())">Edit</a></td>
+        <td><a class="btn btn-danger btn-xs" href="@routes.Application.deleteContact(contact.getId())">Delete</a></td>
       </tr>
     }
 

conf/routes

@@ -6,6 +6,7 @@
 GET     /                           controllers.Application.index()
 GET     /newcontact                 controllers.Application.newContact(id: Long ?= 0)
 POST    /newcontact                 controllers.Application.postContact()
+GET     /delete                      controllers.Application.deleteContact(id: Long)
 
 # Map static resources from the /public folder to the /assets URL path
 GET     /assets/*file               controllers.Assets.at(path="/public", file)