org.ednovo.gooru.controllers.BaseController.java Source code

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/////////////////////////////////////////////////////////////
//BaseController.java
//rest-v2-app
// Created by Gooru on 2014
// Copyright (c) 2014 Gooru. All rights reserved.
// http://www.goorulearning.org/
// Permission is hereby granted, free of charge, to any person      obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so,  subject to
// the following conditions:
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY  KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE    WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR  PURPOSE     AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR  COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
/////////////////////////////////////////////////////////////
package org.ednovo.gooru.controllers;

import java.util.List;

import javax.servlet.http.HttpServletRequest;

import org.apache.commons.lang.StringUtils;
import org.ednovo.gooru.application.util.SerializerUtil;
import org.ednovo.gooru.core.api.model.RequestMappingUri;
import org.ednovo.gooru.core.api.model.User;
import org.ednovo.gooru.core.api.model.UserGroupSupport;
import org.ednovo.gooru.core.constant.Constants;
import org.ednovo.gooru.core.constant.ParameterProperties;
import org.ednovo.gooru.core.exception.BadRequestException;
import org.ednovo.gooru.security.OperationAuthorizer;
import org.ednovo.goorucore.application.serializer.JsonDeserializer;
import org.json.JSONException;
import org.json.JSONObject;
import org.springframework.beans.factory.annotation.Autowired;

import com.fasterxml.jackson.core.type.TypeReference;

public class BaseController extends SerializerUtil implements ParameterProperties {

    @Autowired
    private OperationAuthorizer operationAuthorizer;

    protected static final String GOORU_SESSION_TOKEN = "gooru-session-token";

    protected static final String COOKIE_KEY_SERVICE_VERSION = "gooru-version";

    public static final String ERROR_INCLUDE[] = { "*.fieldError", "*.errorCount", "*.code", "*.defaultMessage",
            "*.field", "*.objectName", "*.rejectedValue" };

    protected static final String BLACK_LIST_WORD_RESPONSE_MESSAGE = "Remember:This is a search engine for learning. To ensure a safe search experience, Gooru does not provide any results for the search term you entered.";

    protected User getUser(HttpServletRequest request) {
        return (User) request.getAttribute(Constants.USER);
    }

    public OperationAuthorizer getOperationAuthorizer() {
        return operationAuthorizer;
    }

    public void setOperationAuthorizer(final OperationAuthorizer operationAuthorizer) {
        this.operationAuthorizer = operationAuthorizer;
    }

    public boolean hasUnrestrictedContentAccess() {
        return getOperationAuthorizer().hasUnrestrictedContentAccess();
    }

    public boolean hasPublishAccess() {
        return getOperationAuthorizer().hasPublishAccess();
    }

    public static String getValue(final String key, JSONObject json) throws Exception {
        try {
            if (json.isNull(key)) {
                return null;
            }
            return json.getString(key);

        } catch (JSONException e) {
            throw new BadRequestException("Input JSON parse failed!");
        }
    }

    public static JSONObject requestData(String data) {
        try {
            return data != null ? new JSONObject(data) : null;
        } catch (JSONException e) {
            throw new BadRequestException("Input JSON parse failed!");
        }
    }

    public static String[] getFields(String data) {
        final List<String> fields = JsonDeserializer.deserialize(data, new TypeReference<List<String>>() {
        });
        return fields.toArray(new String[fields.size()]);
    }

    public boolean hasSubOrgPermission(String contentOrganizationId) {
        String[] subOrgUids = UserGroupSupport.getUserOrganizationUids();
        if (subOrgUids != null && subOrgUids.length > 0) {
            for (String userSuborganizationId : subOrgUids) {
                if (contentOrganizationId.equals(userSuborganizationId)) {
                    return true;
                }
            }
        }
        return false;
    }

    public boolean isMobileDevice(HttpServletRequest request) {
        if (request == null || request.getHeader(USER_AGENT) == null
                || request.getHeader(USER_AGENT).indexOf(MOBILE) == -1) {
            return false;
        }
        return true;
    }

    public String generateUri(String uri, String id) {
        StringBuilder sb = new StringBuilder(StringUtils.substring(uri, 14));
        sb.append(RequestMappingUri.SEPARATOR).append(id);
        return sb.toString();
    }

    public String buildUri(String uri, String id) {
        StringBuilder sb = new StringBuilder(uri);
        sb.append(RequestMappingUri.SEPARATOR).append(id);
        return sb.toString();
    }

}