org.etudes.mneme.tool.PoolPropertiesView.java Source code

Introduction

Here is the source code for org.etudes.mneme.tool.PoolPropertiesView.java

Source

/**********************************************************************************
 * $URL$
 * $Id$
 ***********************************************************************************
 *
 * Copyright (c) 2008, 2012 Etudes, Inc.
 * 
 * Portions completed before September 1, 2008
 * Copyright (c) 2007, 2008 The Regents of the University of Michigan & Foothill College, ETUDES Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 **********************************************************************************/

package org.etudes.mneme.tool;

import java.io.IOException;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.etudes.ambrosia.api.Context;
import org.etudes.ambrosia.util.ControllerImpl;
import org.etudes.mneme.api.AssessmentPermissionException;
import org.etudes.mneme.api.Pool;
import org.etudes.mneme.api.PoolService;
import org.sakaiproject.tool.api.ToolManager;
import org.sakaiproject.util.Web;

/**
 * The /pool_properties view for the mneme tool.
 */
public class PoolPropertiesView extends ControllerImpl {
    /** Our log. */
    private static Log M_log = LogFactory.getLog(PoolPropertiesView.class);

    /** Pool Service */
    protected PoolService poolService = null;

    /** tool manager reference. */
    protected ToolManager toolManager = null;

    /**
     * Shutdown.
     */
    public void destroy() {
        M_log.info("destroy()");
    }

    /**
     * {@inheritDoc}
     */
    public void get(HttpServletRequest req, HttpServletResponse res, Context context, String[] params)
            throws IOException {
        // pools sort, pool id
        if (params.length != 4) {
            throw new IllegalArgumentException();
        }

        String poolsSort = params[2];
        String pid = params[3];

        // get the pool
        Pool pool = this.poolService.getPool(pid);
        if (pool == null) {
            // redirect to error
            res.sendRedirect(res.encodeRedirectURL(Web.returnUrl(req, "/error/" + Errors.invalid)));
            return;
        }

        // check that the user can manage this pool
        if (!this.poolService.allowManagePools(pool.getContext())) {
            // redirect to error
            res.sendRedirect(res.encodeRedirectURL(Web.returnUrl(req, "/error/" + Errors.unauthorized)));
            return;
        }

        context.put("poolsSortCode", poolsSort);
        context.put("pool", pool);
        new CKSetup().setCKCollectionAttrib(getDocsPath(), toolManager.getCurrentPlacement().getContext());

        // render
        uiService.render(ui, context);
    }

    /**
     * Final initialization, once all dependencies are set.
     */
    public void init() {
        super.init();
        M_log.info("init()");
    }

    /**
     * {@inheritDoc}
     */
    public void post(HttpServletRequest req, HttpServletResponse res, Context context, String[] params)
            throws IOException {
        // pools sort, pool id
        if (params.length != 4)
            throw new IllegalArgumentException();
        String poolsSort = params[2];
        String pid = params[3];

        // get the pool
        Pool pool = this.poolService.getPool(pid);
        if (pool == null) {
            // redirect to error
            res.sendRedirect(res.encodeRedirectURL(Web.returnUrl(req, "/error/" + Errors.invalid)));
            return;
        }

        // if we start out, we are coming from an add
        boolean mint = pool.getMint();

        // check that the user can manage this pool
        if (!this.poolService.allowManagePools(pool.getContext())) {
            // redirect to error
            res.sendRedirect(res.encodeRedirectURL(Web.returnUrl(req, "/error/" + Errors.unauthorized)));
            return;
        }

        // read the form
        context.put("pool", pool);
        String destination = uiService.decode(req, context);

        try {
            this.poolService.savePool(pool);
        } catch (AssessmentPermissionException e) {
            // redirect to error
            res.sendRedirect(res.encodeRedirectURL(Web.returnUrl(req, "/error/" + Errors.unauthorized)));
            return;
        }

        // change destination to edit if this is new
        if (mint) {
            // make sure we were not deleted
            pool = this.poolService.getPool(pid);
            if (pool != null) {
                // send them to edit pool
                destination = "/pool_edit/" + pool.getId() + "/-/-/-" + destination;
            }
        }

        res.sendRedirect(res.encodeRedirectURL(Web.returnUrl(req, destination)));
    }

    /**
     * @param poolService
     *        the poolService to set
     */
    public void setPoolService(PoolService poolService) {
        this.poolService = poolService;
    }

    /**
     * @param toolManager
     *        the toolManager to set
     */
    public void setToolManager(ToolManager toolManager) {
        this.toolManager = toolManager;
    }
}