From 9a8c064b1a822129152b0dcf4203946967600a79 Mon Sep 17 00:00:00 2001
From: "moandji.ezana" <mwanji@gmail.com>
Date: Sun, 21 Oct 2012 02:21:39 +0200
Subject: [PATCH] Author can delete an essay

---
 .../tent/essayist/EssayServlet.java           | 32 ++++++++++++++++++-
 .../tent/essayist/partials/EssayLink.jamon    | 10 +++++-
 2 files changed, 40 insertions(+), 2 deletions(-)

diff --git a/src/main/java/com/moandjiezana/tent/essayist/EssayServlet.java b/src/main/java/com/moandjiezana/tent/essayist/EssayServlet.java
index 80239d6..5ad5a0e 100644
--- a/src/main/java/com/moandjiezana/tent/essayist/EssayServlet.java
+++ b/src/main/java/com/moandjiezana/tent/essayist/EssayServlet.java
@@ -1,5 +1,6 @@
 package com.moandjiezana.tent.essayist;
 
+import com.google.common.base.Throwables;
 import com.moandjiezana.tent.client.TentClient;
 import com.moandjiezana.tent.client.posts.Post;
 import com.moandjiezana.tent.client.users.Profile;
@@ -8,6 +9,7 @@ import com.moandjiezana.tent.essayist.tent.Entities;
 import java.io.IOException;
 
 import javax.inject.Inject;
+import javax.inject.Provider;
 import javax.inject.Singleton;
 import javax.servlet.ServletException;
 import javax.servlet.http.HttpServlet;
@@ -19,10 +21,12 @@ public class EssayServlet extends HttpServlet {
   
   private Templates templates;
   private Users users;
+  private Provider<EssayistSession> sessions;
 
   @Inject
-  public EssayServlet(Users users, Templates templates) {
+  public EssayServlet(Users users, Provider<EssayistSession> sessions, Templates templates) {
     this.users = users;
+    this.sessions = sessions;
     this.templates = templates;
   }
 
@@ -49,4 +53,30 @@ public class EssayServlet extends HttpServlet {
     
     templates.essay().render(resp.getWriter(), post, user.getProfile());
   }
+  
+  @Override
+  protected void doDelete(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
+    String[] parts = req.getPathInfo().split("/essay/");
+    String authorEntity = parts[0];
+    String fullAuthorEntity = Entities.expandFromUrl(authorEntity);
+    
+    User user = sessions.get().getUser();
+    
+    if (!fullAuthorEntity.equals(user.getProfile().getCore().getEntity())) {
+      resp.sendError(HttpServletResponse.SC_FORBIDDEN, "You are not permitted to delete this Essay.");
+      return;
+    }
+    
+    TentClient tentClient = new TentClient(user.getProfile());
+    tentClient.getAsync().setAccessToken(user.getAccessToken());
+    tentClient.getAsync().setRegistrationResponse(user.getRegistration());
+
+    try {
+      tentClient.getAsync().deletePost(parts[1]).get();
+    } catch (Exception e) {
+      Throwables.propagate(Throwables.getRootCause(e));
+    }
+    
+    resp.sendRedirect(req.getContextPath() + "/" + authorEntity + "/essays");
+  }
 }
diff --git a/src/main/templates/com/moandjiezana/tent/essayist/partials/EssayLink.jamon b/src/main/templates/com/moandjiezana/tent/essayist/partials/EssayLink.jamon
index fc13cdd..175247d 100644
--- a/src/main/templates/com/moandjiezana/tent/essayist/partials/EssayLink.jamon
+++ b/src/main/templates/com/moandjiezana/tent/essayist/partials/EssayLink.jamon
@@ -24,7 +24,15 @@ final EssayContent essayContent = essay.getContentAs(EssayContent.class);
 	</%if>
 	<div class="span10">
 		<h3><a href="<% jamonContext.contextPath %>/<% Entities.getForUrl(essay.getEntity()) %>/essay/<% essay.getId() %>"><% essayContent.getTitle() %></a></h3>
-		<%if profile != null %><a href="<% jamonContext.contextPath %>/<% Entities.getForUrl(essay.getEntity()) %>/essays"><% profile.getBasic() != null ? profile.getBasic().getName() : essay.getEntity() %></a></%if> <% dateFormat.format(new Date(essay.getPublishedAt() * 1000)) %>
+		<%if profile != null %><a href="<% jamonContext.contextPath %>/<% Entities.getForUrl(essay.getEntity()) %>/essays"><% Entities.getName(profile, essay.getEntity()) %></a></%if> <% dateFormat.format(new Date(essay.getPublishedAt() * 1000)) %>
 		<p class="bodyText"><% essayContent.getExcerpt() %></p>
+		<%if jamonContext.getCurrentUser().owns(essay) %>
+		<div>
+			<form action="<% jamonContext.contextPath %>/<% Entities.getForUrl(essay.getEntity()) %>/essay/<% essay.getId() %>" method="post">
+				<button class="btn btn-danger"><i class="icon-trash icon-white"></i> Delete</button>
+				<input type="hidden" name="_method" value="DELETE" />
+			</form>
+		</div>
+		</%if>
 	</div>
 </div>