Examples with CourseEducationSubtypeDAO fi.otavanopisto.pyramus.dao.base.CourseEducationSubtypeDAO used on opensource projects

Example 1 with CourseEducationSubtypeDAO

use of fi.otavanopisto.pyramus.dao.base.CourseEducationSubtypeDAO in project pyramus by otavanopisto.

the class EditModuleJSONRequestController method process.

public void process(JSONRequestContext requestContext) {
    StaffMemberDAO userDAO = DAOFactory.getInstance().getStaffMemberDAO();
    ModuleDAO moduleDAO = DAOFactory.getInstance().getModuleDAO();
    CourseDescriptionDAO courseDescriptionDAO = DAOFactory.getInstance().getCourseDescriptionDAO();
    CourseDescriptionCategoryDAO descriptionCategoryDAO = DAOFactory.getInstance().getCourseDescriptionCategoryDAO();
    CourseEducationTypeDAO courseEducationTypeDAO = DAOFactory.getInstance().getCourseEducationTypeDAO();
    CourseEducationSubtypeDAO courseEducationSubtypeDAO = DAOFactory.getInstance().getCourseEducationSubtypeDAO();
    ModuleComponentDAO moduleComponentDAO = DAOFactory.getInstance().getModuleComponentDAO();
    EducationalTimeUnitDAO educationalTimeUnitDAO = DAOFactory.getInstance().getEducationalTimeUnitDAO();
    EducationTypeDAO educationTypeDAO = DAOFactory.getInstance().getEducationTypeDAO();
    EducationSubtypeDAO educationSubtypeDAO = DAOFactory.getInstance().getEducationSubtypeDAO();
    SubjectDAO subjectDAO = DAOFactory.getInstance().getSubjectDAO();
    TagDAO tagDAO = DAOFactory.getInstance().getTagDAO();
    DefaultsDAO defaultsDAO = DAOFactory.getInstance().getDefaultsDAO();
    CurriculumDAO curriculumDAO = DAOFactory.getInstance().getCurriculumDAO();
    Long moduleId = requestContext.getLong("moduleId");
    Module module = moduleDAO.findById(moduleId);
    Long version = requestContext.getLong("version");
    if (!module.getVersion().equals(version))
        throw new StaleObjectStateException(Module.class.getName(), module.getId());
    // Education types and subtypes submitted from the web page
    Map<Long, Vector<Long>> chosenEducationTypes = new HashMap<>();
    Enumeration<String> parameterNames = requestContext.getRequest().getParameterNames();
    while (parameterNames.hasMoreElements()) {
        String name = (String) parameterNames.nextElement();
        if (name.startsWith("educationType.")) {
            String[] nameElements = name.split("\\.");
            Long educationTypeId = new Long(nameElements[1]);
            Long educationSubtypeId = new Long(nameElements[2]);
            Vector<Long> v = chosenEducationTypes.containsKey(educationTypeId) ? chosenEducationTypes.get(educationTypeId) : new Vector<Long>();
            v.add(educationSubtypeId);
            if (!chosenEducationTypes.containsKey(educationTypeId)) {
                chosenEducationTypes.put(educationTypeId, v);
            }
        }
    }
    // Course Descriptions
    List<CourseDescriptionCategory> descriptionCategories = descriptionCategoryDAO.listUnarchived();
    Set<CourseDescription> nonExistingDescriptions = new HashSet<>();
    for (CourseDescriptionCategory cat : descriptionCategories) {
        String varName = "courseDescription." + cat.getId().toString();
        Long descriptionCatId = requestContext.getLong(varName + ".catId");
        String descriptionText = requestContext.getString(varName + ".text");
        CourseDescription oldDesc = courseDescriptionDAO.findByCourseAndCategory(module, cat);
        if (descriptionCatId != null && descriptionCatId.intValue() != -1) {
            // Description has been submitted from form
            if (oldDesc != null)
                courseDescriptionDAO.update(oldDesc, module, cat, descriptionText);
            else
                courseDescriptionDAO.create(module, cat, descriptionText);
        } else {
            // Description wasn't submitted from form, if it exists, it's marked for deletion
            if (oldDesc != null)
                nonExistingDescriptions.add(oldDesc);
        }
    }
    // Delete non existing descriptions
    for (CourseDescription desc : nonExistingDescriptions) {
        courseDescriptionDAO.delete(desc);
    }
    // Remove education types and subtypes
    List<CourseEducationType> courseEducationTypes = module.getCourseEducationTypes();
    for (int i = courseEducationTypes.size() - 1; i >= 0; i--) {
        CourseEducationType courseEducationType = courseEducationTypes.get(i);
        if (!chosenEducationTypes.containsKey(courseEducationType.getEducationType().getId())) {
            courseEducationTypeDAO.delete(courseEducationType);
        } else {
            Vector<Long> v = chosenEducationTypes.get(courseEducationType.getEducationType().getId());
            List<CourseEducationSubtype> courseEducationSubtypes = courseEducationType.getCourseEducationSubtypes();
            for (int j = courseEducationSubtypes.size() - 1; j >= 0; j--) {
                CourseEducationSubtype moduleEducationSubtype = courseEducationSubtypes.get(j);
                if (!v.contains(moduleEducationSubtype.getEducationSubtype().getId())) {
                    courseEducationType.removeSubtype(moduleEducationSubtype);
                }
            }
        }
    }
    for (Map.Entry<Long, Vector<Long>> entry : chosenEducationTypes.entrySet()) {
        EducationType educationType = educationTypeDAO.findById(entry.getKey());
        CourseEducationType courseEducationType;
        if (!module.contains(educationType)) {
            courseEducationType = courseEducationTypeDAO.create(module, educationType);
        } else {
            courseEducationType = module.getCourseEducationTypeByEducationTypeId(entry.getKey());
        }
        for (Long educationSubtypeId : entry.getValue()) {
            EducationSubtype educationSubtype = educationSubtypeDAO.findById(educationSubtypeId);
            if (!courseEducationType.contains(educationSubtype)) {
                courseEducationSubtypeDAO.create(courseEducationType, educationSubtype);
            }
        }
    }
    // Module components
    int rowCount = requestContext.getInteger("componentsTable.rowCount");
    for (int i = 0; i < rowCount; i++) {
        String colPrefix = "componentsTable." + i;
        String componentName = requestContext.getString(colPrefix + ".name");
        Double componentLength = requestContext.getDouble(colPrefix + ".length");
        String componentDescription = requestContext.getString(colPrefix + ".description");
        Long componentId = requestContext.getLong(colPrefix + ".componentId");
        // TODO Component length; should be just hours but it currently depends on the default time unit - ok?
        EducationalTimeUnit componentTimeUnit = defaultsDAO.getDefaults().getBaseTimeUnit();
        if (componentId == -1) {
            componentId = moduleComponentDAO.create(module, componentLength, componentTimeUnit, componentName, componentDescription).getId();
        } else {
            moduleComponentDAO.update(moduleComponentDAO.findById(componentId), componentLength, componentTimeUnit, componentName, componentDescription);
        }
    }
    // Module basic information
    Long subjectId = requestContext.getLong("subject");
    Subject subject = subjectDAO.findById(subjectId);
    Integer courseNumber = requestContext.getInteger("courseNumber");
    String name = requestContext.getString("name");
    String description = requestContext.getString("description");
    User loggedUser = userDAO.findById(requestContext.getLoggedUserId());
    Double moduleLength = requestContext.getDouble("moduleLength");
    Long moduleLengthTimeUnitId = requestContext.getLong("moduleLengthTimeUnit");
    Long maxParticipantCount = requestContext.getLong("maxParticipantCount");
    String tagsText = requestContext.getString("tags");
    List<Curriculum> allCurriculums = curriculumDAO.listUnarchived();
    Set<Curriculum> curriculums = new HashSet<>();
    for (Curriculum curriculum : allCurriculums) {
        if ("1".equals(requestContext.getString("curriculum." + curriculum.getId()))) {
            curriculums.add(curriculum);
        }
    }
    Set<Tag> tagEntities = new HashSet<>();
    if (!StringUtils.isBlank(tagsText)) {
        List<String> tags = Arrays.asList(tagsText.split("[\\ ,]"));
        for (String tag : tags) {
            if (!StringUtils.isBlank(tag)) {
                Tag tagEntity = tagDAO.findByText(tag.trim());
                if (tagEntity == null)
                    tagEntity = tagDAO.create(tag);
                tagEntities.add(tagEntity);
            }
        }
    }
    EducationalTimeUnit moduleLengthTimeUnit = educationalTimeUnitDAO.findById(moduleLengthTimeUnitId);
    moduleDAO.update(module, name, subject, courseNumber, moduleLength, moduleLengthTimeUnit, description, maxParticipantCount, loggedUser);
    moduleDAO.updateCurriculums(module, curriculums);
    // Tags
    moduleDAO.updateTags(module, tagEntities);
    requestContext.setRedirectURL(requestContext.getReferer(true));
}

Example 2 with CourseEducationSubtypeDAO

use of fi.otavanopisto.pyramus.dao.base.CourseEducationSubtypeDAO in project pyramus by otavanopisto.

the class CreateModuleJSONRequestController method process.

/**
 * Processes the request to create a module.
 *
 * @param requestContext The JSON request context
 */
public void process(JSONRequestContext requestContext) {
    StaffMemberDAO userDAO = DAOFactory.getInstance().getStaffMemberDAO();
    ModuleDAO moduleDAO = DAOFactory.getInstance().getModuleDAO();
    CourseDescriptionDAO descriptionDAO = DAOFactory.getInstance().getCourseDescriptionDAO();
    CourseDescriptionCategoryDAO descriptionCategoryDAO = DAOFactory.getInstance().getCourseDescriptionCategoryDAO();
    CourseEducationTypeDAO courseEducationTypeDAO = DAOFactory.getInstance().getCourseEducationTypeDAO();
    CourseEducationSubtypeDAO courseEducationSubtypeDAO = DAOFactory.getInstance().getCourseEducationSubtypeDAO();
    ModuleComponentDAO moduleComponentDAO = DAOFactory.getInstance().getModuleComponentDAO();
    EducationalTimeUnitDAO educationalTimeUnitDAO = DAOFactory.getInstance().getEducationalTimeUnitDAO();
    EducationTypeDAO educationTypeDAO = DAOFactory.getInstance().getEducationTypeDAO();
    EducationSubtypeDAO educationSubtypeDAO = DAOFactory.getInstance().getEducationSubtypeDAO();
    SubjectDAO subjectDAO = DAOFactory.getInstance().getSubjectDAO();
    TagDAO tagDAO = DAOFactory.getInstance().getTagDAO();
    DefaultsDAO defaultsDAO = DAOFactory.getInstance().getDefaultsDAO();
    CurriculumDAO curriculumDAO = DAOFactory.getInstance().getCurriculumDAO();
    String name = requestContext.getString("name");
    String description = requestContext.getString("description");
    Subject subject = subjectDAO.findById(requestContext.getLong("subject"));
    Integer courseNumber = requestContext.getInteger("courseNumber");
    User loggedUser = userDAO.findById(requestContext.getLoggedUserId());
    Long moduleLengthTimeUnitId = requestContext.getLong("moduleLengthTimeUnit");
    Long maxParticipantCount = requestContext.getLong("maxParticipantCount");
    EducationalTimeUnit moduleLengthTimeUnit = educationalTimeUnitDAO.findById(moduleLengthTimeUnitId);
    Double moduleLength = requestContext.getDouble("moduleLength");
    String tagsText = requestContext.getString("tags");
    List<Curriculum> allCurriculums = curriculumDAO.listUnarchived();
    Set<Curriculum> curriculums = new HashSet<>();
    for (Curriculum curriculum : allCurriculums) {
        if ("1".equals(requestContext.getString("curriculum." + curriculum.getId()))) {
            curriculums.add(curriculum);
        }
    }
    Set<Tag> tagEntities = new HashSet<>();
    if (!StringUtils.isBlank(tagsText)) {
        List<String> tags = Arrays.asList(tagsText.split("[\\ ,]"));
        for (String tag : tags) {
            if (!StringUtils.isBlank(tag)) {
                Tag tagEntity = tagDAO.findByText(tag.trim());
                if (tagEntity == null)
                    tagEntity = tagDAO.create(tag);
                tagEntities.add(tagEntity);
            }
        }
    }
    Module module = moduleDAO.create(name, subject, courseNumber, moduleLength, moduleLengthTimeUnit, description, maxParticipantCount, loggedUser);
    moduleDAO.updateCurriculums(module, curriculums);
    // Tags
    moduleDAO.updateTags(module, tagEntities);
    // Course Descriptions
    List<CourseDescriptionCategory> descriptionCategories = descriptionCategoryDAO.listUnarchived();
    for (CourseDescriptionCategory cat : descriptionCategories) {
        String varName = "courseDescription." + cat.getId().toString();
        Long descriptionCatId = requestContext.getLong(varName + ".catId");
        String descriptionText = requestContext.getString(varName + ".text");
        if (descriptionCatId != null && descriptionCatId.intValue() != -1) {
            descriptionDAO.create(module, cat, descriptionText);
        }
    }
    // Module components
    int rowCount = requestContext.getInteger("componentsTable.rowCount");
    for (int i = 0; i < rowCount; i++) {
        String colPrefix = "componentsTable." + i;
        String componentName = requestContext.getString(colPrefix + ".name");
        Double componentLength = requestContext.getDouble(colPrefix + ".length");
        String componentDescription = requestContext.getString(colPrefix + ".description");
        // TODO Component length; should be just hours but it currently depends on the default time unit - ok?
        EducationalTimeUnit componentTimeUnit = defaultsDAO.getDefaults().getBaseTimeUnit();
        moduleComponentDAO.create(module, componentLength, componentTimeUnit, componentName, componentDescription).getId();
    }
    // Education types and subtypes submitted from the web page
    Map<Long, Vector<Long>> chosenEducationTypes = new HashMap<>();
    Enumeration<String> parameterNames = requestContext.getRequest().getParameterNames();
    while (parameterNames.hasMoreElements()) {
        name = (String) parameterNames.nextElement();
        if (name.startsWith("educationType.")) {
            String[] nameElements = name.split("\\.");
            Long educationTypeId = new Long(nameElements[1]);
            Long educationSubtypeId = new Long(nameElements[2]);
            Vector<Long> v = chosenEducationTypes.containsKey(educationTypeId) ? chosenEducationTypes.get(educationTypeId) : new Vector<Long>();
            v.add(educationSubtypeId);
            if (!chosenEducationTypes.containsKey(educationTypeId)) {
                chosenEducationTypes.put(educationTypeId, v);
            }
        }
    }
    for (Map.Entry<Long, Vector<Long>> entry : chosenEducationTypes.entrySet()) {
        EducationType educationType = educationTypeDAO.findById(entry.getKey());
        CourseEducationType courseEducationType;
        if (!module.contains(educationType)) {
            courseEducationType = courseEducationTypeDAO.create(module, educationType);
        } else {
            courseEducationType = module.getCourseEducationTypeByEducationTypeId(entry.getKey());
        }
        for (Long educationSubtypeId : entry.getValue()) {
            EducationSubtype educationSubtype = educationSubtypeDAO.findById(educationSubtypeId);
            if (!courseEducationType.contains(educationSubtype)) {
                courseEducationSubtypeDAO.create(courseEducationType, educationSubtype);
            }
        }
    }
    String redirectURL = requestContext.getRequest().getContextPath() + "/modules/editmodule.page?module=" + module.getId();
    String refererAnchor = requestContext.getRefererAnchor();
    if (!StringUtils.isBlank(refererAnchor))
        redirectURL += "#" + refererAnchor;
    requestContext.setRedirectURL(redirectURL);
}

Example 3 with CourseEducationSubtypeDAO

use of fi.otavanopisto.pyramus.dao.base.CourseEducationSubtypeDAO in project pyramus by otavanopisto.

the class CoursesService method createCourse.

public CourseEntity createCourse(@WebParam(name = "moduleId") Long moduleId, @WebParam(name = "name") String name, @WebParam(name = "nameExtension") String nameExtension, @WebParam(name = "subjectId") Long subjectId, @WebParam(name = "courseNumber") Integer courseNumber, @WebParam(name = "beginDate") Date beginDate, @WebParam(name = "endDate") Date endDate, @WebParam(name = "courseLength") Double courseLength, @WebParam(name = "courseLengthTimeUnitId") Long courseLengthTimeUnitId, @WebParam(name = "description") String description, @WebParam(name = "creatingUserId") Long creatingUserId) {
    StaffMemberDAO userDAO = DAOFactory.getInstance().getStaffMemberDAO();
    CourseDAO courseDAO = DAOFactory.getInstance().getCourseDAO();
    ModuleDAO moduleDAO = DAOFactory.getInstance().getModuleDAO();
    CourseComponentDAO componentDAO = DAOFactory.getInstance().getCourseComponentDAO();
    CourseDescriptionDAO descriptionDAO = DAOFactory.getInstance().getCourseDescriptionDAO();
    CourseEducationTypeDAO educationTypeDAO = DAOFactory.getInstance().getCourseEducationTypeDAO();
    CourseEducationSubtypeDAO educationSubtypeDAO = DAOFactory.getInstance().getCourseEducationSubtypeDAO();
    EducationalTimeUnitDAO educationalTimeUnitDAO = DAOFactory.getInstance().getEducationalTimeUnitDAO();
    SubjectDAO subjectDAO = DAOFactory.getInstance().getSubjectDAO();
    DefaultsDAO defaultsDAO = DAOFactory.getInstance().getDefaultsDAO();
    Module module = moduleId == null ? null : moduleDAO.findById(moduleId);
    Subject subject = subjectId == null ? null : subjectDAO.findById(subjectId);
    EducationalTimeUnit courseLengthTimeUnit = courseLengthTimeUnitId == null ? null : educationalTimeUnitDAO.findById(courseLengthTimeUnitId);
    User creatingUser = userDAO.findById(creatingUserId);
    if (module != null) {
        name = name == null ? module.getName() : name;
        subject = subject == null ? module.getSubject() : subject;
        courseNumber = courseNumber == null ? module.getCourseNumber() : courseNumber;
        if (courseLength == null && module.getCourseLength() != null) {
            courseLength = module.getCourseLength().getUnits();
            courseLengthTimeUnit = module.getCourseLength().getUnit();
        }
        description = description == null ? module.getDescription() : description;
    }
    CourseState state = defaultsDAO.getDefaults().getInitialCourseState();
    CourseType type = null;
    // Course creation
    Course course = courseDAO.create(module, name, nameExtension, state, type, subject, courseNumber, beginDate, endDate, courseLength, courseLengthTimeUnit, null, null, null, null, null, null, description, null, null, null, null, creatingUser);
    validateEntity(course);
    if (module != null) {
        // Course Description copying from module to course
        descriptionDAO.copy(module, course);
        // Curriculums
        courseDAO.updateCurriculums(course, new HashSet<Curriculum>(module.getCurriculums()));
        // Components
        List<ModuleComponent> moduleComponents = module.getModuleComponents();
        if (moduleComponents != null) {
            for (ModuleComponent moduleComponent : moduleComponents) {
                EducationalLength educationalLength = moduleComponent.getLength();
                CourseComponent courseComponent = componentDAO.create(course, educationalLength == null ? null : educationalLength.getUnits(), educationalLength == null ? null : educationalLength.getUnit(), moduleComponent.getName(), moduleComponent.getDescription());
                validateEntity(courseComponent);
            }
        }
        // Education types
        List<CourseEducationType> typesInModule = module.getCourseEducationTypes();
        if (typesInModule != null) {
            for (CourseEducationType typeInModule : typesInModule) {
                CourseEducationType typeInCourse = educationTypeDAO.create(course, typeInModule.getEducationType());
                validateEntity(typeInCourse);
                // Education subtypes
                List<CourseEducationSubtype> subTypesInModule = typeInModule.getCourseEducationSubtypes();
                if (subTypesInModule != null) {
                    for (CourseEducationSubtype subtypeInModule : subTypesInModule) {
                        CourseEducationSubtype courseEducationSubtype = educationSubtypeDAO.create(typeInCourse, subtypeInModule.getEducationSubtype());
                        validateEntity(courseEducationSubtype);
                    }
                }
            }
        }
    }
    return EntityFactoryVault.buildFromDomainObject(course);
}

Example 4 with CourseEducationSubtypeDAO

use of fi.otavanopisto.pyramus.dao.base.CourseEducationSubtypeDAO in project pyramus by otavanopisto.

the class CoursesService method addCourseEducationSubtype.

public CourseEducationSubtypeEntity addCourseEducationSubtype(@WebParam(name = "courseEducationTypeId") Long courseEducationTypeId, @WebParam(name = "educationSubtypeId") Long educationSubtypeId) {
    CourseEducationTypeDAO educationTypeDAO = DAOFactory.getInstance().getCourseEducationTypeDAO();
    CourseEducationSubtypeDAO courseEducationSubtypeDAO = DAOFactory.getInstance().getCourseEducationSubtypeDAO();
    EducationSubtypeDAO educationSubtypeDAO = DAOFactory.getInstance().getEducationSubtypeDAO();
    CourseEducationType courseEducationType = educationTypeDAO.findById(courseEducationTypeId);
    EducationSubtype educationSubtype = educationSubtypeDAO.findById(educationSubtypeId);
    CourseEducationSubtype courseEducationSubtype = courseEducationSubtypeDAO.create(courseEducationType, educationSubtype);
    validateEntity(courseEducationSubtype);
    return EntityFactoryVault.buildFromDomainObject(courseEducationSubtype);
}

Example 5 with CourseEducationSubtypeDAO

use of fi.otavanopisto.pyramus.dao.base.CourseEducationSubtypeDAO in project pyramus by otavanopisto.

the class EditCourseJSONRequestController method process.

/**
 * Processes the request to edit a course.
 * The request should contain the following parameters:
 * <dl>
 *   <dt><code>name</code></dt>
 *   <dd>The name of the course.</dd>
 *   <dt><code>nameExtension</code></dt>
 *   <dd>The name extension of the course.</dd>
 *   <dt><code>state</code></dt>
 *   <dd>The ID of the initial course state.</dd>
 *   <dt><code>description</code></dt>
 *   <dd>The description of the course, in HTML.</dd>
 *   <dt><code>module</code></dt>
 *   <dd>The ID of the module the course is associated with.</dd>
 *   <dt><code>subject</code></dt>
 *   <dd>The ID of the subject of the course.</dd>
 *   <dt><code>courseNumber</code></dt>
 *   <dd>The course number of the course.</dd>
 *   <dt><code>beginDate</code></dt>
 *   <dd>The beginning date of the course, as a timestamp in ms.</dd>
 *   <dt><code>endDate</code></dt>
 *   <dd>The end date of the course, as a timestamp in ms.</dd>
 *   <dt><code>enrolmentTimeEnd</code></dt>
 *   <dd>The time when enrollment for the course ends, as a timestamp in ms.</dd>
 *   <dt><code>courseLength</code></dt>
 *   <dd>The length of the course, in units specified in <code>courseLengthTimeUnit</code>.</dd>
 *   <dt><code>courseLengthTimeUnit</code></dt>
 *   <dd>The ID of the time unit for the courses.</dd>
 *   <dt><code>maxParticipantCount</code></dt>
 *   <dd>The maximum number of participants for this course.</dd>
 *   <dt><code>distanceTeachingDays</code></dt>
 *   <dd>The number of days of distance teaching.</dd>
 *   <dt><code>localTeachingDays</code></dt>
 *   <dd>The number of days of local teaching.</dd>
 *   <dt><code>teachingHours</code></dt>
 *   <dd>The total number of teaching hours.</dd>
 *   <dt><code>planningHours</code></dt>
 *   <dd>The total number of hours used for planning.
 *   <dt><code>assessingHours</code></dt>
 *   <dd>The total number of hours used for assessing.
 *   <dt><code>tags</code></dt>
 *   <dd>The tags associated with the course, separated by spaces.</dd>
 * </dl>
 * The following are not single but multiple parameters, arranged
 * as collections of objects. Each parameter is defined by the
 * following scheme (zero indexed):<br/>
 * <code>
 * <i>collection name</i>.<i>property name</i>
 * </code>
 * or<br/>
 * <code>
 * <i>collection name</i>.<i>object index</i>.<i>property name</i>
 * </code>
 * <dl>
 *   <dt><code>courseDescription.*.catId</code></dt>
 *   <dd>The course description category ID to add the description to.
 *   <dt><code>courseDescription.*.text</code></dt>
 *   <dd>The description of the course.</dd>
 *   <dt><code>personnelTable.rowCount</code></dt>
 *   <dd>The number of personnel in the course.</dd>
 *   <dt><code>personnelTable.*.userId</code></dt>
 *   <dd>The ID of the user in the personnel table.</dd>
 *   <dt><code>personnelTable.*.roleId</code></dt>
 *   <dd>The role ID of the user in the personnel table.</dd>
 *   <dt><code>components.componentCount</code></dt>
 *   <dd>The number of course components in this course.</dd>
 *   <dt><code>components.*.0.name</code></dt>
 *   <dd>The name of the course component.</dd>
 *   <dt><code>components.*.0.length</code></dt>
 *   <dd>The length of the course component, in default time units.</dd>
 *   <dt><code>components.*.0.description</code></dt>
 *   <dd>The description of the course component.</dd>
 *   <dt><code>components.*.resourceCategoryCount</code></dt>
 *   <dd>The number of resource categories in the course component.</dd>
 *   <dt><code>components.*.*.resources.rowCount</code></dt>
 *   <dd>The number of resources in the resource category.</dd>
 *   <dt><code>components.*.*.resources.*.resourceId</code></dt>
 *   <dd>The ID of the resource.</dd>
 *   <dt><code>components.*.*.resources.*.quantity</code></dt>
 *   <dd>The quantity of the resource.</dd>
 *   <dt><code>components.*.*.resources.*.usage</code></dt>
 *   <dd>The usage of the resource.</dd>
 *   <dt><code>educationType.*.*</code></dt>
 *   <dd>The education types and subtypes (as numerical IDs) of the course.</dd>
 *   <dt><code>basicResourcesTable.rowCount</code></dt>
 *   <dd>The number of basic resources associated with the course.</dd>
 *   <dt><code>basicResourcesTable.*.hours</code></dt>
 *   <dd>The number of hours the resource is used.</dd>
 *   <dt><code>basicResourcesTable.*.hourlyCost</code></dt>
 *   <dd>The hourly cost of the resource.</dd>
 *   <dt><code>basicResourcesTable.*.units</code></dt>
 *   <dd>The number of units of the resource used.</dd>
 *   <dt><code>basicResourcesTable.*.unitCost</code></dt>
 *   <dd>The cost of a single unit of the resource.</dd>
 *   <dt><code>basicResourcesTable.*.resourceId</code></dt>
 *   <dd>The ID of the resource.</dd>
 *   <dt><code>studentResourcesTable.rowCount</code></dt>
 *   <dd>The number of student resources associated with the course.</dd>
 *   <dt><code>studentResourcesTable.*.hours</code></dt>
 *   <dd>The number of hours the resource is used.</dd>
 *   <dt><code>studentResourcesTable.*.hourlyCost</code></dt>
 *   <dd>The hourly cost of the resource.</dd>
 *   <dt><code>studentResourcesTable.*.unitCost</code></dt>
 *   <dd>The cost of a single unit of the resource.</dd>
 *   <dt><code>studentResourcesTable.*.resourceId</code></dt>
 *   <dd>The ID of the resource.</dd>
 *   <dt><code>gradeResourcesTable.rowCount</code></dt>
 *   <dd>The number of grade resources associated with the course.</dd>
 *   <dt><code>gradeResourcesTable.*.hours</code></dt>
 *   <dd>The number of hours the resource is used.</dd>
 *   <dt><code>gradeResourcesTable.*.hourlyCost</code></dt>
 *   <dd>The hourly cost of the resource.</dd>
 *   <dt><code>gradeResourcesTable.*.unitCost</code></dt>
 *   <dd>The cost of a single unit of the resource.</dd>
 *   <dt><code>gradeResourcesTable.*.resourceId</code></dt>
 *   <dd>The ID of the resource.</dd>
 *   <dt><code>otherCostsTable.rowCount</code></dt>
 *   <dd>The number of other costs associated with this course.</dd>
 *   <dt><code>otherCostsTable.*.name</code></dt>
 *   <dd>The name of the cost.</dd>
 *   <dt><code>otherCostsTable.*.count</code></dt>
 *   <dd>The amount of the cost.</dd>
 *   <dt><code>studentsTable.rowCount</code></dt>
 *   <dd>The number of students attending this course.</dd>
 *   <dt><code>studentsTable.*.studentId</code></dt>
 *   <dd>The ID of the student.</dd>
 *   <dt><code>studentsTable.*.enrolmentDate</code></dt>
 *   <dd>The enrollment date of the student, as a timestamp in ms.</dd>
 *   <dt><code>studentsTable.*.enrolmentType</code></dt>
 *   <dd>The ID of the enrollment type of the student.</dd>
 *   <dt><code>studentsTable.*.participationType</code></dt>
 *   <dd>The ID of the participation type of the student.</dd>
 *   <dt><code>studentsTable.*.lodging</code></dt>
 *   <dd><code>true</code> if the student is lodging on campus.</dd>
 *   <dt><code>studentsTable.*.optionality</code></dt>
 *   <dd>The optionality of the course for the student:
 *   <code>MANDATORY</code> or <code>OPTIONAL</code></dd>
 * </dl>
 *
 * @param requestContext The JSON request context
 */
public void process(JSONRequestContext requestContext) {
    StaffMemberDAO userDAO = DAOFactory.getInstance().getStaffMemberDAO();
    StudentDAO studentDAO = DAOFactory.getInstance().getStudentDAO();
    CourseDAO courseDAO = DAOFactory.getInstance().getCourseDAO();
    ResourceDAO resourceDAO = DAOFactory.getInstance().getResourceDAO();
    CourseDescriptionDAO courseDescriptionDAO = DAOFactory.getInstance().getCourseDescriptionDAO();
    CourseStudentDAO courseStudentDAO = DAOFactory.getInstance().getCourseStudentDAO();
    CourseStateDAO courseStateDAO = DAOFactory.getInstance().getCourseStateDAO();
    CourseParticipationTypeDAO participationTypeDAO = DAOFactory.getInstance().getCourseParticipationTypeDAO();
    CourseComponentResourceDAO componentResourceDAO = DAOFactory.getInstance().getCourseComponentResourceDAO();
    CourseEnrolmentTypeDAO enrolmentTypeDAO = DAOFactory.getInstance().getCourseEnrolmentTypeDAO();
    CourseComponentDAO componentDAO = DAOFactory.getInstance().getCourseComponentDAO();
    CourseStaffMemberDAO courseStaffMemberDAO = DAOFactory.getInstance().getCourseStaffMemberDAO();
    CourseStaffMemberRoleDAO courseStaffMemberRoleDAO = DAOFactory.getInstance().getCourseStaffMemberRoleDAO();
    CourseDescriptionDAO descriptionDAO = DAOFactory.getInstance().getCourseDescriptionDAO();
    CourseDescriptionCategoryDAO descriptionCategoryDAO = DAOFactory.getInstance().getCourseDescriptionCategoryDAO();
    OtherCostDAO otherCostDAO = DAOFactory.getInstance().getOtherCostDAO();
    BasicCourseResourceDAO basicCourseResourceDAO = DAOFactory.getInstance().getBasicCourseResourceDAO();
    StudentCourseResourceDAO studentCourseResourceDAO = DAOFactory.getInstance().getStudentCourseResourceDAO();
    GradeCourseResourceDAO gradeCourseResourceDAO = DAOFactory.getInstance().getGradeCourseResourceDAO();
    CourseEducationTypeDAO courseEducationTypeDAO = DAOFactory.getInstance().getCourseEducationTypeDAO();
    CourseEducationSubtypeDAO courseEducationSubtypeDAO = DAOFactory.getInstance().getCourseEducationSubtypeDAO();
    EducationalTimeUnitDAO educationalTimeUnitDAO = DAOFactory.getInstance().getEducationalTimeUnitDAO();
    EducationTypeDAO educationTypeDAO = DAOFactory.getInstance().getEducationTypeDAO();
    EducationSubtypeDAO educationSubtypeDAO = DAOFactory.getInstance().getEducationSubtypeDAO();
    SubjectDAO subjectDAO = DAOFactory.getInstance().getSubjectDAO();
    TagDAO tagDAO = DAOFactory.getInstance().getTagDAO();
    DefaultsDAO defaultsDAO = DAOFactory.getInstance().getDefaultsDAO();
    CourseTypeDAO courseTypeDAO = DAOFactory.getInstance().getCourseTypeDAO();
    CurriculumDAO curriculumDAO = DAOFactory.getInstance().getCurriculumDAO();
    ModuleDAO moduleDAO = DAOFactory.getInstance().getModuleDAO();
    OrganizationDAO organizationDAO = DAOFactory.getInstance().getOrganizationDAO();
    StaffMemberDAO staffMemberDAO = DAOFactory.getInstance().getStaffMemberDAO();
    Locale locale = requestContext.getRequest().getLocale();
    StaffMember loggedUser = staffMemberDAO.findById(requestContext.getLoggedUserId());
    Organization organization = organizationDAO.findById(requestContext.getLong("organizationId"));
    if (!UserUtils.canAccessOrganization(loggedUser, organization)) {
        throw new SmvcRuntimeException(PyramusStatusCode.UNAUTHORIZED, "Invalid organization.");
    }
    // Course basic information
    Long courseId = requestContext.getLong("course");
    Course course = courseDAO.findById(courseId);
    String name = requestContext.getString("name");
    String nameExtension = requestContext.getString("nameExtension");
    Long courseStateId = requestContext.getLong("state");
    Long courseTypeId = requestContext.getLong("type");
    Long maxParticipantCount = requestContext.getLong("maxParticipantCount");
    Date enrolmentTimeEnd = requestContext.getDate("enrolmentTimeEnd");
    CourseState courseState = courseStateId == null ? course.getState() : courseStateDAO.findById(courseStateId);
    CourseType courseType = courseTypeId != null ? courseTypeDAO.findById(courseTypeId) : null;
    String description = requestContext.getString("description");
    Subject subject = subjectDAO.findById(requestContext.getLong("subject"));
    Integer courseNumber = requestContext.getInteger("courseNumber");
    Date beginDate = requestContext.getDate("beginDate");
    Date endDate = requestContext.getDate("endDate");
    Double courseLength = requestContext.getDouble("courseLength");
    EducationalTimeUnit courseLengthTimeUnit = educationalTimeUnitDAO.findById(requestContext.getLong("courseLengthTimeUnit"));
    Double distanceTeachingDays = requestContext.getDouble("distanceTeachingDays");
    Double localTeachingDays = requestContext.getDouble("localTeachingDays");
    Double teachingHours = requestContext.getDouble("teachingHours");
    Double distanceTeachingHours = requestContext.getDouble("distanceTeachingHours");
    Double planningHours = requestContext.getDouble("planningHours");
    Double assessingHours = requestContext.getDouble("assessingHours");
    String tagsText = requestContext.getString("tags");
    BigDecimal courseFee = requestContext.getBigDecimal("courseFee");
    Currency courseFeeCurrency = requestContext.getCurrency("courseFeeCurrency");
    Long version = requestContext.getLong("version");
    if (!course.getVersion().equals(version))
        throw new StaleObjectStateException(Course.class.getName(), course.getId());
    List<Curriculum> allCurriculums = curriculumDAO.listUnarchived();
    Set<Curriculum> curriculums = new HashSet<>();
    for (Curriculum curriculum : allCurriculums) {
        if ("1".equals(requestContext.getString("curriculum." + curriculum.getId()))) {
            curriculums.add(curriculum);
        }
    }
    Set<Tag> tagEntities = new HashSet<>();
    if (!StringUtils.isBlank(tagsText)) {
        List<String> tags = Arrays.asList(tagsText.split("[\\ ,]"));
        for (String tag : tags) {
            if (!StringUtils.isBlank(tag)) {
                Tag tagEntity = tagDAO.findByText(tag.trim());
                if (tagEntity == null)
                    tagEntity = tagDAO.create(tag);
                tagEntities.add(tagEntity);
            }
        }
    }
    StaffMember staffMember = userDAO.findById(requestContext.getLoggedUserId());
    courseDAO.update(course, organization, name, nameExtension, courseState, courseType, subject, courseNumber, beginDate, endDate, courseLength, courseLengthTimeUnit, distanceTeachingDays, localTeachingDays, teachingHours, distanceTeachingHours, planningHours, assessingHours, description, maxParticipantCount, enrolmentTimeEnd, staffMember);
    courseDAO.updateCurriculums(course, curriculums);
    if (Role.ADMINISTRATOR.equals(loggedUser.getRole())) {
        Boolean isCourseTemplate = requestContext.getBoolean("isCourseTemplate");
        courseDAO.updateCourseTemplate(course, Boolean.TRUE.equals(isCourseTemplate));
    }
    Long moduleId = requestContext.getLong("moduleId");
    Long currentModuleId = course.getModule() != null ? course.getModule().getId() : null;
    if ((moduleId != null) && (!moduleId.equals(currentModuleId))) {
        Module module = moduleDAO.findById(moduleId);
        courseDAO.updateModule(course, module);
    }
    courseDAO.updateCourseFee(course, courseFee, courseFeeCurrency, staffMember);
    // Tags
    courseDAO.setCourseTags(course, tagEntities);
    // Education types and subtypes submitted from the web page
    Map<Long, Vector<Long>> chosenEducationTypes = new HashMap<>();
    Enumeration<String> parameterNames = requestContext.getRequest().getParameterNames();
    while (parameterNames.hasMoreElements()) {
        name = (String) parameterNames.nextElement();
        if (name.startsWith("educationType.")) {
            String[] nameElements = name.split("\\.");
            Long educationTypeId = new Long(nameElements[1]);
            Long educationSubtypeId = new Long(nameElements[2]);
            Vector<Long> v = chosenEducationTypes.containsKey(educationTypeId) ? chosenEducationTypes.get(educationTypeId) : new Vector<Long>();
            v.add(educationSubtypeId);
            if (!chosenEducationTypes.containsKey(educationTypeId)) {
                chosenEducationTypes.put(educationTypeId, v);
            }
        }
    }
    // Remove education types and subtypes
    List<CourseEducationType> courseEducationTypes = course.getCourseEducationTypes();
    for (int i = courseEducationTypes.size() - 1; i >= 0; i--) {
        CourseEducationType courseEducationType = courseEducationTypes.get(i);
        if (!chosenEducationTypes.containsKey(courseEducationType.getEducationType().getId())) {
            courseEducationTypeDAO.delete(courseEducationType);
        } else {
            Vector<Long> v = chosenEducationTypes.get(courseEducationType.getEducationType().getId());
            List<CourseEducationSubtype> courseEducationSubtypes = courseEducationType.getCourseEducationSubtypes();
            for (int j = courseEducationSubtypes.size() - 1; j >= 0; j--) {
                CourseEducationSubtype courseEducationSubtype = courseEducationSubtypes.get(j);
                if (!v.contains(courseEducationSubtype.getEducationSubtype().getId())) {
                    courseEducationType.removeSubtype(courseEducationSubtype);
                }
            }
        }
    }
    for (Map.Entry<Long, Vector<Long>> entry : chosenEducationTypes.entrySet()) {
        EducationType educationType = educationTypeDAO.findById(entry.getKey());
        CourseEducationType courseEducationType;
        if (!course.contains(educationType)) {
            courseEducationType = courseEducationTypeDAO.create(course, educationType);
        } else {
            courseEducationType = course.getCourseEducationTypeByEducationTypeId(entry.getKey());
        }
        for (Long educationSubtypeId : entry.getValue()) {
            EducationSubtype educationSubtype = educationSubtypeDAO.findById(educationSubtypeId);
            if (!courseEducationType.contains(educationSubtype)) {
                courseEducationSubtypeDAO.create(courseEducationType, educationSubtype);
            }
        }
    }
    // Course Descriptions
    List<CourseDescriptionCategory> descriptionCategories = descriptionCategoryDAO.listUnarchived();
    Set<CourseDescription> nonExistingDescriptions = new HashSet<>();
    for (CourseDescriptionCategory cat : descriptionCategories) {
        String varName = "courseDescription." + cat.getId().toString();
        Long descriptionCatId = requestContext.getLong(varName + ".catId");
        String descriptionText = requestContext.getString(varName + ".text");
        CourseDescription oldDesc = descriptionDAO.findByCourseAndCategory(course, cat);
        if (descriptionCatId != null && descriptionCatId.intValue() != -1) {
            // Description has been submitted from form
            if (oldDesc != null)
                descriptionDAO.update(oldDesc, course, cat, descriptionText);
            else
                descriptionDAO.create(course, cat, descriptionText);
        } else {
            // Description wasn't submitted from form, if it exists, it's marked for deletion
            if (oldDesc != null)
                nonExistingDescriptions.add(oldDesc);
        }
    }
    // Delete non existing descriptions
    for (CourseDescription desc : nonExistingDescriptions) {
        courseDescriptionDAO.delete(desc);
    }
    // Personnel
    Set<Long> existingIds = new HashSet<>();
    int rowCount = requestContext.getInteger("personnelTable.rowCount").intValue();
    for (int i = 0; i < rowCount; i++) {
        String colPrefix = "personnelTable." + i;
        Long courseUserId = requestContext.getLong(colPrefix + ".courseUserId");
        Long userId = requestContext.getLong(colPrefix + ".userId");
        Long roleId = requestContext.getLong(colPrefix + ".roleId");
        staffMember = userDAO.findById(userId);
        CourseStaffMemberRole role = courseStaffMemberRoleDAO.findById(roleId);
        if (courseUserId == -1) {
            courseUserId = courseStaffMemberDAO.create(course, staffMember, role).getId();
        } else {
            courseStaffMemberDAO.updateRole(courseStaffMemberDAO.findById(courseUserId), role);
        }
        existingIds.add(courseUserId);
    }
    List<CourseStaffMember> courseUsers = courseStaffMemberDAO.listByCourse(courseDAO.findById(courseId));
    for (CourseStaffMember courseUser : courseUsers) {
        if (!existingIds.contains(courseUser.getId())) {
            courseStaffMemberDAO.delete(courseUser);
        }
    }
    // Course components
    rowCount = requestContext.getInteger("components.componentCount").intValue();
    for (int i = 0; i < rowCount; i++) {
        String colPrefix = "components.component." + i;
        Long componentId = requestContext.getLong(colPrefix + ".0.componentId");
        String componentName = requestContext.getString(colPrefix + ".0.name");
        Double componentLength = requestContext.getDouble(colPrefix + ".0.length");
        String componentDescription = requestContext.getString(colPrefix + ".0.description");
        // TODO Component length; should be just hours but it currently depends on the default time unit - ok?
        EducationalTimeUnit componentTimeUnit = defaultsDAO.getDefaults().getBaseTimeUnit();
        CourseComponent courseComponent;
        if (componentId == -1) {
            courseComponent = componentDAO.create(course, componentLength, componentTimeUnit, componentName, componentDescription);
        } else {
            courseComponent = componentDAO.update(componentDAO.findById(componentId), componentLength, componentTimeUnit, componentName, componentDescription);
        }
        Long resourceCategoryCount = requestContext.getLong(colPrefix + ".resourceCategoryCount");
        for (int categoryIndex = 0; categoryIndex < resourceCategoryCount; categoryIndex++) {
            String resourcesPrefix = colPrefix + "." + categoryIndex + ".resources";
            Long resourcesCount = requestContext.getLong(resourcesPrefix + ".rowCount");
            for (int j = 0; j < resourcesCount; j++) {
                String resourcePrefix = resourcesPrefix + "." + j;
                Long id = requestContext.getLong(resourcePrefix + ".id");
                Long resourceId = requestContext.getLong(resourcePrefix + ".resourceId");
                Resource resource = resourceDAO.findById(resourceId);
                Double usagePercent;
                if (resource.getResourceType() == ResourceType.MATERIAL_RESOURCE) {
                    usagePercent = requestContext.getDouble(resourcePrefix + ".quantity") * 100;
                } else {
                    usagePercent = requestContext.getDouble(resourcePrefix + ".usage");
                }
                if (id == -1) {
                    componentResourceDAO.create(courseComponent, resource, usagePercent);
                } else {
                    CourseComponentResource courseComponentResource = componentResourceDAO.findById(id);
                    componentResourceDAO.updateUsagePercent(courseComponentResource, usagePercent);
                }
            }
        }
    }
    // Basic course resources
    existingIds = new HashSet<>();
    rowCount = requestContext.getInteger("basicResourcesTable.rowCount").intValue();
    for (int i = 0; i < rowCount; i++) {
        String colPrefix = "basicResourcesTable." + i;
        Double hours = requestContext.getDouble(colPrefix + ".hours");
        if (hours == null) {
            hours = 0.0;
        }
        MonetaryAmount hourlyCost = new MonetaryAmount();
        hourlyCost.setAmount(requestContext.getDouble(colPrefix + ".hourlyCost"));
        Integer units = requestContext.getInteger(colPrefix + ".units");
        MonetaryAmount unitCost = new MonetaryAmount();
        unitCost.setAmount(requestContext.getDouble(colPrefix + ".unitCost"));
        Long resourceId = requestContext.getLong(colPrefix + ".resourceId");
        Resource resource = resourceDAO.findById(resourceId);
        Long basicResourceId = requestContext.getLong(colPrefix + ".basicResourceId");
        if (basicResourceId == -1) {
            basicResourceId = basicCourseResourceDAO.create(course, resource, hours, hourlyCost, units, unitCost).getId();
        } else {
            basicCourseResourceDAO.update(basicCourseResourceDAO.findById(basicResourceId), hours, hourlyCost, units, unitCost);
        }
        existingIds.add(basicResourceId);
    }
    List<BasicCourseResource> basicCourseResources = basicCourseResourceDAO.listByCourse(course);
    for (BasicCourseResource basicCourseResource : basicCourseResources) {
        if (!existingIds.contains(basicCourseResource.getId())) {
            basicCourseResourceDAO.delete(basicCourseResource);
        }
    }
    // Student course resources
    existingIds = new HashSet<>();
    rowCount = requestContext.getInteger("studentResourcesTable.rowCount").intValue();
    for (int i = 0; i < rowCount; i++) {
        String colPrefix = "studentResourcesTable." + i;
        Double hours = requestContext.getDouble(colPrefix + ".hours");
        if (hours == null) {
            hours = 0.0;
        }
        MonetaryAmount hourlyCost = new MonetaryAmount();
        hourlyCost.setAmount(requestContext.getDouble(colPrefix + ".hourlyCost"));
        MonetaryAmount unitCost = new MonetaryAmount();
        hourlyCost.setAmount(requestContext.getDouble(colPrefix + ".unitCost"));
        Long resourceId = requestContext.getLong(colPrefix + ".resourceId");
        Resource resource = resourceDAO.findById(resourceId);
        Long studentResourceId = requestContext.getLong(colPrefix + ".studentResourceId");
        if (studentResourceId == -1) {
            studentResourceId = studentCourseResourceDAO.create(course, resource, hours, hourlyCost, unitCost).getId();
        } else {
            studentCourseResourceDAO.update(studentCourseResourceDAO.findById(studentResourceId), hours, hourlyCost, unitCost);
        }
        existingIds.add(studentResourceId);
    }
    List<StudentCourseResource> studentCourseResources = studentCourseResourceDAO.listByCourse(course);
    for (StudentCourseResource studentCourseResource : studentCourseResources) {
        if (!existingIds.contains(studentCourseResource.getId())) {
            studentCourseResourceDAO.delete(studentCourseResource);
        }
    }
    // Grade course resources
    existingIds = new HashSet<>();
    rowCount = requestContext.getInteger("gradeResourcesTable.rowCount").intValue();
    for (int i = 0; i < rowCount; i++) {
        String colPrefix = "gradeResourcesTable." + i;
        Double hours = requestContext.getDouble(colPrefix + ".hours");
        if (hours == null) {
            hours = 0.0;
        }
        MonetaryAmount hourlyCost = new MonetaryAmount();
        hourlyCost.setAmount(requestContext.getDouble(colPrefix + ".hourlyCost"));
        MonetaryAmount unitCost = new MonetaryAmount();
        unitCost.setAmount(requestContext.getDouble(colPrefix + ".unitCost"));
        Long resourceId = requestContext.getLong(colPrefix + ".resourceId");
        Resource resource = resourceDAO.findById(resourceId);
        Long gradeResourceId = requestContext.getLong(colPrefix + ".gradeResourceId");
        if (gradeResourceId == -1) {
            gradeResourceId = gradeCourseResourceDAO.create(course, resource, hours, hourlyCost, unitCost).getId();
        } else {
            gradeCourseResourceDAO.update(gradeCourseResourceDAO.findById(gradeResourceId), hours, hourlyCost, unitCost);
        }
        existingIds.add(gradeResourceId);
    }
    List<GradeCourseResource> gradeCourseResources = gradeCourseResourceDAO.listByCourse(course);
    for (GradeCourseResource gradeCourseResource : gradeCourseResources) {
        if (!existingIds.contains(gradeCourseResource.getId())) {
            gradeCourseResourceDAO.delete(gradeCourseResource);
        }
    }
    // Other costs
    existingIds = new HashSet<>();
    rowCount = requestContext.getInteger("otherCostsTable.rowCount").intValue();
    for (int i = 0; i < rowCount; i++) {
        String colPrefix = "otherCostsTable." + i;
        name = requestContext.getString(colPrefix + ".name");
        MonetaryAmount cost = new MonetaryAmount();
        cost.setAmount(requestContext.getDouble(colPrefix + ".cost"));
        Long otherCostId = requestContext.getLong(colPrefix + ".otherCostId");
        if (otherCostId == -1) {
            otherCostId = otherCostDAO.create(course, name, cost).getId();
        } else {
            otherCostDAO.update(otherCostDAO.findById(otherCostId), name, cost);
        }
        existingIds.add(otherCostId);
    }
    List<OtherCost> otherCosts = otherCostDAO.listByCourse(course);
    for (OtherCost otherCost : otherCosts) {
        if (!existingIds.contains(otherCost.getId())) {
            otherCostDAO.delete(otherCost);
        }
    }
    // Students
    existingIds = new HashSet<>();
    rowCount = requestContext.getInteger("studentsTable.rowCount");
    for (int i = 0; i < rowCount; i++) {
        String colPrefix = "studentsTable." + i;
        Long studentId = requestContext.getLong(colPrefix + ".studentId");
        Long courseStudentId = requestContext.getLong(colPrefix + ".courseStudentId");
        Date enrolmentDate = requestContext.getDate(colPrefix + ".enrolmentDate");
        Long enrolmentTypeId = requestContext.getLong(colPrefix + ".enrolmentType");
        Long participationTypeId = requestContext.getLong(colPrefix + ".participationType");
        Boolean lodging = requestContext.getBoolean(colPrefix + ".lodging");
        CourseEnrolmentType enrolmentType = enrolmentTypeId != null ? enrolmentTypeDAO.findById(enrolmentTypeId) : null;
        CourseParticipationType participationType = participationTypeId != null ? participationTypeDAO.findById(participationTypeId) : null;
        CourseStudent courseStudent;
        CourseOptionality optionality = (CourseOptionality) requestContext.getEnum(colPrefix + ".optionality", CourseOptionality.class);
        if (courseStudentId == -1) {
            /* New student */
            Student student = studentDAO.findById(studentId);
            String organizationName = null;
            String additionalInfo = null;
            Room room = null;
            BigDecimal lodgingFee = null;
            Currency lodgingFeeCurrency = null;
            BigDecimal reservationFee = null;
            Currency reservationFeeCurrency = null;
            if (course.isCourseTemplate()) {
                throw new SmvcRuntimeException(PyramusStatusCode.UNDEFINED, Messages.getInstance().getText(locale, "generic.errors.cannotAddStudentsToCourseTemplate"));
            }
            try {
                courseStudent = courseStudentDAO.create(course, student, enrolmentType, participationType, enrolmentDate, lodging, optionality, null, organizationName, additionalInfo, room, lodgingFee, lodgingFeeCurrency, reservationFee, reservationFeeCurrency, Boolean.FALSE);
            } catch (DuplicateCourseStudentException dcse) {
                throw new SmvcRuntimeException(PyramusStatusCode.UNDEFINED, Messages.getInstance().getText(locale, "generic.errors.duplicateCourseStudent", new Object[] { student.getFullName() }));
            }
        } else {
            boolean modified = new Integer(1).equals(requestContext.getInteger(colPrefix + ".modified"));
            if (modified) {
                /* Existing student */
                Student student = studentDAO.findById(studentId);
                courseStudent = courseStudentDAO.findById(courseStudentId);
                try {
                    courseStudentDAO.update(courseStudent, student, enrolmentType, participationType, enrolmentDate, lodging, optionality);
                } catch (DuplicateCourseStudentException dcse) {
                    throw new SmvcRuntimeException(PyramusStatusCode.UNDEFINED, Messages.getInstance().getText(locale, "generic.errors.duplicateCourseStudent", new Object[] { student.getFullName() }));
                }
            }
        }
    }
    processSignupStudyProgrammes(requestContext, course, loggedUser);
    processSignupStudentGroups(requestContext, course, loggedUser);
    requestContext.setRedirectURL(requestContext.getReferer(true));
}