Adding a resource to delete an assessment.20131118a

1 files changed, 99 insertions, 0 deletions

diff --git a/src/com/p4square/grow/frontend/AssessmentResetPage.java b/src/com/p4square/grow/frontend/AssessmentResetPage.java
new file mode 100644
index 0000000..95d5990
--- /dev/null
+++ b/src/com/p4square/grow/frontend/AssessmentResetPage.java
@@ -0,0 +1,99 @@
+/*
+ * 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 page delete's the current user's assessment.
+ *
+ * @author Jesse Morgan <jesse@jesterpm.net>
+ */
+public class AssessmentResetPage extends FreeMarkerPageResource {
+    private static final Logger LOG = Logger.getLogger(AssessmentResetPage.class);
+
+    private GrowFrontend mGrowFrontend;
+    private Config mConfig;
+    private JsonRequestClient mJsonClient;
+
+    private String mUserId;
+
+    @Override
+    public void doInit() {
+        super.doInit();
+
+        mGrowFrontend = (GrowFrontend) getApplication();
+        mConfig = mGrowFrontend.getConfig();
+
+        mJsonClient = new JsonRequestClient(getContext().getClientDispatcher());
+
+        mUserId = getRequest().getClientInfo().getUser().getIdentifier();
+    }
+
+    /**
+     * Return the login page.
+     */
+    @Override
+    protected Representation get() {
+        try {
+            // Get the assessment results
+            JsonResponse response = backendDelete("/accounts/" + mUserId + "/assessment");
+            if (!response.getStatus().isSuccess()) {
+                setStatus(Status.SERVER_ERROR_INTERNAL);
+                return ErrorPage.BACKEND_ERROR;
+            }
+
+            String nextPage = mConfig.getString("dynamicRoot", "")
+                    + "/account/assessment/question/first";
+            getResponse().redirectSeeOther(nextPage);
+            return new StringRepresentation("Redirecting to " + nextPage);
+
+        } 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 backendDelete(final String uri) {
+        LOG.debug("Sending backend GET " + uri);
+
+        final JsonResponse response = mJsonClient.delete(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;
+    }
+}