Adding the chapter transition page to the training section.

3 files changed, 152 insertions, 0 deletions

diff --git a/src/com/p4square/grow/frontend/ChapterCompletePage.java b/src/com/p4square/grow/frontend/ChapterCompletePage.java
new file mode 100644
index 0000000..5cc4724
--- /dev/null
+++ b/src/com/p4square/grow/frontend/ChapterCompletePage.java
@@ -0,0 +1,149 @@
+/*
+ * Copyright 2013 Jesse Morgan
+ */
+
+package com.p4square.grow.frontend;
+
+import java.util.Map;
+
+import freemarker.template.Template;
+
+import org.restlet.data.MediaType;
+import org.restlet.data.Status;
+import org.restlet.representation.Representation;
+import org.restlet.representation.StringRepresentation;
+import org.restlet.ext.freemarker.TemplateRepresentation;
+
+import org.apache.log4j.Logger;
+
+import net.jesterpm.fmfacade.FreeMarkerPageResource;
+
+import net.jesterpm.fmfacade.json.JsonRequestClient;
+import net.jesterpm.fmfacade.json.JsonResponse;
+import net.jesterpm.fmfacade.json.ClientException;
+
+import com.p4square.grow.config.Config;
+
+/**
+ * This resource displays the transitional page between chapters.
+ *
+ * @author Jesse Morgan <jesse@jesterpm.net>
+ */
+public class ChapterCompletePage extends FreeMarkerPageResource {
+    private static final Logger LOG = Logger.getLogger(ChapterCompletePage.class);
+
+    private GrowFrontend mGrowFrontend;
+    private Config mConfig;
+    private JsonRequestClient mJsonClient;
+
+    private String mUserId;
+    private String mChapter;
+
+    @Override
+    public void doInit() {
+        super.doInit();
+
+        mGrowFrontend = (GrowFrontend) getApplication();
+        mConfig = mGrowFrontend.getConfig();
+
+        mJsonClient = new JsonRequestClient(getContext().getClientDispatcher());
+
+        mUserId = getRequest().getClientInfo().getUser().getIdentifier();
+
+        mChapter = getAttribute("chapter");
+    }
+
+    /**
+     * Return the login page.
+     */
+    @Override
+    protected Representation get() {
+        Template t = mGrowFrontend.getTemplate("templates/stage-complete.ftl");
+
+        try {
+            if (t == null) {
+                setStatus(Status.CLIENT_ERROR_NOT_FOUND);
+                return ErrorPage.TEMPLATE_NOT_FOUND;
+            }
+
+            Map<String, Object> root = getRootObject();
+
+            // Get the training summary
+            Map<String, Object> trainingRecord = null;
+            Map<String, Boolean> chapters = null;
+            {
+                JsonResponse response = backendGet("/accounts/" + mUserId + "/training");
+                if (response.getStatus().isSuccess()) {
+                    trainingRecord = response.getMap();
+                    chapters = (Map<String, Boolean>) trainingRecord.get("chapters");
+                }
+            }
+
+            // Verify they completed the chapter.
+            Boolean completed = chapters.get(mChapter);
+            if (completed == null || !completed) {
+                // Redirect back to training page...
+                String nextPage = mConfig.getString("dynamicRoot", "");
+                nextPage += "/account/training/" + mChapter;
+                getResponse().redirectSeeOther(nextPage);
+                return new StringRepresentation("Redirecting to " + nextPage);
+            }
+
+            // Find the next chapter
+            String nextChapter = null;
+            {
+                int min = Integer.MAX_VALUE;
+                for (Map.Entry<String, Boolean> chapter : chapters.entrySet()) {
+                    int index = chapterIndex(chapter.getKey());
+                    if (!chapter.getValue() && index < min) {
+                        min = index;
+                        nextChapter = chapter.getKey();
+                    }
+                }
+            }
+
+            root.put("stage", mChapter);
+            root.put("nextstage", nextChapter);
+            return new TemplateRepresentation(t, root, MediaType.TEXT_HTML);
+
+        } catch (Exception e) {
+            LOG.fatal("Could not render page: " + e.getMessage(), e);
+            setStatus(Status.SERVER_ERROR_INTERNAL);
+            return ErrorPage.RENDER_ERROR;
+        }
+    }
+
+    /**
+     * @return The backend endpoint URI
+     */
+    private String getBackendEndpoint() {
+        return mConfig.getString("backendUri", "riap://component/backend");
+    }
+
+    /**
+     * Helper method to send a GET to the backend.
+     */
+    private JsonResponse backendGet(final String uri) {
+        LOG.debug("Sending backend GET " + uri);
+
+        final JsonResponse response = mJsonClient.get(getBackendEndpoint() + uri);
+        final Status status = response.getStatus();
+        if (!status.isSuccess() && !Status.CLIENT_ERROR_NOT_FOUND.equals(status)) {
+            LOG.warn("Error making backend request for '" + uri + "'. status = " + response.getStatus().toString());
+        }
+
+        return response;
+    }
+
+    int chapterIndex(String chapter) {
+        if ("teacher".equals(chapter)) {
+            return 4;
+        } else if ("disciple".equals(chapter)) {
+            return 3;
+        } else if ("believer".equals(chapter)) {
+            return 2;
+        } else {
+            return 1;
+        }
+    }
+}
diff --git a/src/com/p4square/grow/frontend/GrowFrontend.java b/src/com/p4square/grow/frontend/GrowFrontend.java
index ce29794..dd953d5 100644
--- a/src/com/p4square/grow/frontend/GrowFrontend.java
+++ b/src/com/p4square/grow/frontend/GrowFrontend.java
@@ -112,6 +112,7 @@ public class GrowFrontend extends FMFacade {
         accountRouter.attach("/assessment/question/{questionId}", SurveyPageResource.class);
         accountRouter.attach("/assessment/results", AssessmentResultsPage.class);
         accountRouter.attach("/assessment", SurveyPageResource.class);
+        accountRouter.attach("/training/{chapter}/completed", ChapterCompletePage.class);
         accountRouter.attach("/training/{chapter}/videos/{videoId}.json", VideosResource.class);
         accountRouter.attach("/training/{chapter}", TrainingPageResource.class);
         accountRouter.attach("/training", TrainingPageResource.class);
diff --git a/src/templates/templates/stage-complete.ftl b/src/templates/templates/stage-complete.ftl
index 4861015..72dc780 100644
--- a/src/templates/templates/stage-complete.ftl
+++ b/src/templates/templates/stage-complete.ftl
@@ -50,7 +50,9 @@
 
     </@content>
 
+    <#if nextstage??>
     <div id="getstarted">
         <a class="greenbutton" href="${dynamicRoot}/account/training/${nextstage}">Continue GROWing &#x2799;</a>
     </div>
+    </#if>
 </@commonpage>