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Flowcentral Notification Module
/*
* Copyright 2021-2024 FlowCentral Technologies Limited.
*
* 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 com.flowcentraltech.flowcentral.notification.business;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.regex.Pattern;
import com.flowcentraltech.flowcentral.application.business.AppletUtilities;
import com.flowcentraltech.flowcentral.application.util.ApplicationEntityNameParts;
import com.flowcentraltech.flowcentral.application.util.ApplicationNameUtils;
import com.flowcentraltech.flowcentral.common.business.AbstractFlowCentralService;
import com.flowcentraltech.flowcentral.common.business.FileAttachmentProvider;
import com.flowcentraltech.flowcentral.common.constants.RecordStatus;
import com.flowcentraltech.flowcentral.common.data.Attachment;
import com.flowcentraltech.flowcentral.common.data.Recipient;
import com.flowcentraltech.flowcentral.configuration.constants.NotifMessageFormat;
import com.flowcentraltech.flowcentral.configuration.constants.NotifType;
import com.flowcentraltech.flowcentral.configuration.data.ModuleInstall;
import com.flowcentraltech.flowcentral.notification.constants.NotificationChannelPropertyConstants;
import com.flowcentraltech.flowcentral.notification.constants.NotificationHostServerConstants;
import com.flowcentraltech.flowcentral.notification.constants.NotificationInboxStatus;
import com.flowcentraltech.flowcentral.notification.constants.NotificationModuleErrorConstants;
import com.flowcentraltech.flowcentral.notification.constants.NotificationModuleNameConstants;
import com.flowcentraltech.flowcentral.notification.constants.NotificationModuleSysParamConstants;
import com.flowcentraltech.flowcentral.notification.constants.NotificationOutboxStatus;
import com.flowcentraltech.flowcentral.notification.data.ChannelMessage;
import com.flowcentraltech.flowcentral.notification.data.NotifChannelDef;
import com.flowcentraltech.flowcentral.notification.data.NotifLargeTextDef;
import com.flowcentraltech.flowcentral.notification.data.NotifLargeTextParamDef;
import com.flowcentraltech.flowcentral.notification.data.NotifLargeTextWrapper;
import com.flowcentraltech.flowcentral.notification.data.NotifMessage;
import com.flowcentraltech.flowcentral.notification.data.NotifTemplateDef;
import com.flowcentraltech.flowcentral.notification.data.NotifTemplateParamDef;
import com.flowcentraltech.flowcentral.notification.data.NotifTemplateWrapper;
import com.flowcentraltech.flowcentral.notification.entities.NotificationChannel;
import com.flowcentraltech.flowcentral.notification.entities.NotificationChannelProp;
import com.flowcentraltech.flowcentral.notification.entities.NotificationChannelQuery;
import com.flowcentraltech.flowcentral.notification.entities.NotificationInbox;
import com.flowcentraltech.flowcentral.notification.entities.NotificationLargeText;
import com.flowcentraltech.flowcentral.notification.entities.NotificationLargeTextParam;
import com.flowcentraltech.flowcentral.notification.entities.NotificationLargeTextParamQuery;
import com.flowcentraltech.flowcentral.notification.entities.NotificationLargeTextQuery;
import com.flowcentraltech.flowcentral.notification.entities.NotificationOutbox;
import com.flowcentraltech.flowcentral.notification.entities.NotificationOutboxAttachment;
import com.flowcentraltech.flowcentral.notification.entities.NotificationOutboxError;
import com.flowcentraltech.flowcentral.notification.entities.NotificationOutboxQuery;
import com.flowcentraltech.flowcentral.notification.entities.NotificationRecipient;
import com.flowcentraltech.flowcentral.notification.entities.NotificationTemplate;
import com.flowcentraltech.flowcentral.notification.entities.NotificationTemplateParam;
import com.flowcentraltech.flowcentral.notification.entities.NotificationTemplateParamQuery;
import com.flowcentraltech.flowcentral.notification.entities.NotificationTemplateQuery;
import com.flowcentraltech.flowcentral.notification.util.DynamicNotifLargeTextInfo;
import com.flowcentraltech.flowcentral.notification.util.DynamicNotifTemplateInfo;
import com.flowcentraltech.flowcentral.notification.util.NotifLargeTextInfo;
import com.flowcentraltech.flowcentral.notification.util.NotificationCodeGenUtils;
import com.tcdng.unify.common.util.StringToken;
import com.tcdng.unify.core.UnifyException;
import com.tcdng.unify.core.annotation.Component;
import com.tcdng.unify.core.annotation.Configurable;
import com.tcdng.unify.core.annotation.Periodic;
import com.tcdng.unify.core.annotation.PeriodicType;
import com.tcdng.unify.core.annotation.Transactional;
import com.tcdng.unify.core.constant.FrequencyUnit;
import com.tcdng.unify.core.criterion.Update;
import com.tcdng.unify.core.data.FactoryMap;
import com.tcdng.unify.core.data.Listable;
import com.tcdng.unify.core.data.MapValueStore;
import com.tcdng.unify.core.data.ParameterizedStringGenerator;
import com.tcdng.unify.core.data.ValueStoreReader;
import com.tcdng.unify.core.security.TwoWayStringCryptograph;
import com.tcdng.unify.core.task.TaskMonitor;
import com.tcdng.unify.core.util.CalendarUtils;
import com.tcdng.unify.core.util.DataUtils;
import com.tcdng.unify.core.util.ReflectUtils;
import com.tcdng.unify.core.util.StringUtils;
/**
* Default notification business service implementation.
*
* @author FlowCentral Technologies Limited
* @since 1.0
*/
@Transactional
@Component(NotificationModuleNameConstants.NOTIFICATION_MODULE_SERVICE)
public class NotificationModuleServiceImpl extends AbstractFlowCentralService implements NotificationModuleService {
private static final String SEND_NOTIFICATION_LOCK = "notif::sendnotification-lock";
private static final List NOTIFICATION_TYPE_LIST = Arrays.asList(NotifType.EMAIL, NotifType.SMS);
private static final String PAGE_BREAK = Pattern.quote("[page-break]");
@Configurable
private AppletUtilities au;
@Configurable
private FileAttachmentProvider fileAttachmentProvider;
@Configurable
private TwoWayStringCryptograph twoWayStringCryptograph;
private Map messagingChannels;
private final FactoryMap templates;
private final FactoryMap largeTexts;
private final FactoryMap tenantChannelInfos;
public NotificationModuleServiceImpl() {
this.messagingChannels = new HashMap();
this.templates = new FactoryMap(true)
{
@Override
protected boolean stale(String name, NotifTemplateDef notifTemplateDef) throws Exception {
return isStale(new NotificationTemplateQuery(), notifTemplateDef);
}
@Override
protected NotifTemplateDef create(String longName, Object... params) throws Exception {
ApplicationEntityNameParts nameParts = ApplicationNameUtils.getApplicationEntityNameParts(longName);
NotificationTemplate notificationTemplate = environment().list(new NotificationTemplateQuery()
.applicationName(nameParts.getApplicationName()).name(nameParts.getEntityName()));
if (notificationTemplate == null) {
throw new UnifyException(NotificationModuleErrorConstants.CANNOT_FIND_NOTIFICATION_TEMPLATE,
longName);
}
List paramList = new ArrayList();
for (NotificationTemplateParam templateParam : notificationTemplate.getParamList()) {
paramList.add(new NotifTemplateParamDef(templateParam.getName(), templateParam.getLabel()));
}
final String subject = resolveApplicationMessage(notificationTemplate.getSubject());
final String template = resolveApplicationMessage(notificationTemplate.getTemplate());
return new NotifTemplateDef(notificationTemplate.getNotificationType(),
notificationTemplate.getEntity(), subject, template,
notificationTemplate.getMessageFormat(), paramList, longName,
notificationTemplate.getDescription(), notificationTemplate.getId(),
notificationTemplate.getVersionNo());
}
};
this.largeTexts = new FactoryMap(true)
{
@Override
protected boolean stale(String name, NotifLargeTextDef notifLargeTextDef) throws Exception {
return isStale(new NotificationLargeTextQuery(), notifLargeTextDef);
}
@Override
protected NotifLargeTextDef create(String longName, Object... params) throws Exception {
ApplicationEntityNameParts nameParts = ApplicationNameUtils.getApplicationEntityNameParts(longName);
NotificationLargeText notificationLargeText = environment().list(new NotificationLargeTextQuery()
.applicationName(nameParts.getApplicationName()).name(nameParts.getEntityName()));
if (notificationLargeText == null) {
throw new UnifyException(NotificationModuleErrorConstants.CANNOT_FIND_NOTIFICATION_LARGETEXT,
longName);
}
List paramList = new ArrayList();
for (NotificationLargeTextParam largeTextParam : notificationLargeText.getParamList()) {
paramList.add(new NotifLargeTextParamDef(largeTextParam.getName(), largeTextParam.getLabel()));
}
final int fontSizeInPixels = DataUtils.convert(int.class,
notificationLargeText.getFontSizeInPixels());
final List> bodyTokenList = StringUtils
.breakdownParameterizedString(notificationLargeText.getBody(), PAGE_BREAK);
return new NotifLargeTextDef(notificationLargeText.getEntity(),
notificationLargeText.getFontFamily(), fontSizeInPixels, bodyTokenList, paramList, longName,
notificationLargeText.getDescription(), notificationLargeText.getId(),
notificationLargeText.getVersionNo());
}
};
this.tenantChannelInfos = new FactoryMap()
{
@Override
protected TenantChannelInfo create(Long tenantId, Object... params) throws Exception {
return new TenantChannelInfo(tenantId);
}
};
}
private static final Class[] NOTIF_TEMPLATE_WRAPPER_PARAMS_0 = { NotifTemplateDef.class };
private static final Class[] NOTIF_LARGETEXT_WRAPPER_PARAMS_0 = { NotifLargeTextDef.class };
private static final Class[] NOTIF_LARGETEXT_WRAPPER_PARAMS_1 = { NotifLargeTextDef.class, Map.class };
@Override
public void clearDefinitionsCache() throws UnifyException {
logDebug("Clearing definitions cache...");
templates.clear();
largeTexts.clear();
logDebug("Definitions cache clearing successfully completed.");
}
@Override
public T wrapperOfNotifTemplate(Class wrapperType) throws UnifyException {
final String templateName = ReflectUtils.getPublicStaticStringConstant(wrapperType,
NotificationCodeGenUtils.TEMPLATE_NAME);
final NotifTemplateDef notifTemplateDef = getNotifTemplateDef(templateName);
return ReflectUtils.newInstance(wrapperType, NOTIF_TEMPLATE_WRAPPER_PARAMS_0, notifTemplateDef);
}
@Override
public T wrapperOfNotifLargeText(Class wrapperType) throws UnifyException {
final String largeTextName = ReflectUtils.getPublicStaticStringConstant(wrapperType,
NotificationCodeGenUtils.LARGETEXT_NAME);
final NotifLargeTextDef notifLargeTextDef = getNotifLargeTextDef(largeTextName);
return ReflectUtils.newInstance(wrapperType, NOTIF_LARGETEXT_WRAPPER_PARAMS_0, notifLargeTextDef);
}
@Override
public T wrapperOfNotifLargeText(Class wrapperType,
Map parameters) throws UnifyException {
final String largeTextName = ReflectUtils.getPublicStaticStringConstant(wrapperType,
NotificationCodeGenUtils.LARGETEXT_NAME);
final NotifLargeTextDef notifLargeTextDef = getNotifLargeTextDef(largeTextName);
return ReflectUtils.newInstance(wrapperType, NOTIF_LARGETEXT_WRAPPER_PARAMS_1, notifLargeTextDef, parameters);
}
@Override
public int countNotifTemplatesByModule(String moduleName) throws UnifyException {
return environment().countAll(new NotificationTemplateQuery().moduleName(moduleName));
}
@Override
public int countNotifLargeTextsByModule(String moduleName) throws UnifyException {
return environment().countAll(new NotificationLargeTextQuery().moduleName(moduleName));
}
@Override
public List getEntityNotifLargeTexts(String entityName) throws UnifyException {
List largeTexts = environment().listAll(new NotificationLargeTextQuery()
.entity(entityName).addSelect("applicationName", "name", "description"));
if (!DataUtils.isBlank(largeTexts)) {
List infos = new ArrayList();
for (NotificationLargeText largeText : largeTexts) {
infos.add(new NotifLargeTextInfo(ApplicationNameUtils.getApplicationEntityLongName(
largeText.getApplicationName(), largeText.getName()), largeText.getDescription()));
}
return infos;
}
return Collections.emptyList();
}
@Override
public List generateNotifTemplateInfos(String basePackage, String moduleName)
throws UnifyException {
List templates = environment()
.listAll(new NotificationTemplateQuery().moduleName(moduleName).addSelect("applicationName", "name"));
if (!DataUtils.isBlank(templates)) {
List resultList = new ArrayList();
for (NotificationTemplate template : templates) {
final String templateClassName = NotificationCodeGenUtils
.generateUtilitiesTemplateWrapperClassName(basePackage, moduleName, template.getName());
final List paramNames = environment().valueList(String.class, "name",
new NotificationTemplateParamQuery().notificationTemplateId(template.getId()));
resultList.add(new DynamicNotifTemplateInfo(ApplicationNameUtils.getApplicationEntityLongName(
template.getApplicationName(), template.getName()), templateClassName, paramNames));
}
return resultList;
}
return Collections.emptyList();
}
@Override
public List generateNotifLargeTextInfos(String basePackage, String moduleName)
throws UnifyException {
List largeTexts = environment()
.listAll(new NotificationLargeTextQuery().moduleName(moduleName).addSelect("applicationName", "name"));
if (!DataUtils.isBlank(largeTexts)) {
List resultList = new ArrayList();
for (NotificationLargeText largeText : largeTexts) {
final String largeTextClassName = NotificationCodeGenUtils
.generateUtilitiesLargeTextWrapperClassName(basePackage, moduleName, largeText.getName());
final List paramNames = environment().valueList(String.class, "name",
new NotificationLargeTextParamQuery().notifLargeTextId(largeText.getId()));
resultList.add(new DynamicNotifLargeTextInfo(ApplicationNameUtils.getApplicationEntityLongName(
largeText.getApplicationName(), largeText.getName()), largeTextClassName, paramNames));
}
return resultList;
}
return Collections.emptyList();
}
@Override
public List findNotificationTemplates(NotificationTemplateQuery query) throws UnifyException {
return environment().listAll(query);
}
@Override
public List findNotificationTemplatesByApplicationId(Long applicationId) throws UnifyException {
List templateList = environment().listAll(new NotificationTemplateQuery()
.applicationId(applicationId).addSelect("applicationName", "name", "description"));
return ApplicationNameUtils.getListableList(templateList);
}
@Override
public List findNotificationTemplatesByEntity(String entity) throws UnifyException {
List templateList = environment().listAll(
new NotificationTemplateQuery().entity(entity).addSelect("applicationName", "name", "description"));
return ApplicationNameUtils.getListableList(templateList);
}
@Override
public NotificationTemplate findNotificationTemplate(Long notifTemplateId) throws UnifyException {
return environment().find(NotificationTemplate.class, notifTemplateId);
}
@Override
public List findCustomNotificationTemplateIdList(String applicationName) throws UnifyException {
return environment().valueList(Long.class, "id",
new NotificationTemplateQuery().applicationName(applicationName).isCustom());
}
@Override
public NotificationLargeText findNotificationLargeText(Long notifLargeTextId) throws UnifyException {
return environment().find(NotificationLargeText.class, notifLargeTextId);
}
@Override
public List findCustomNotificationLargeTextIdList(String applicationName) throws UnifyException {
return environment().valueList(Long.class, "id",
new NotificationLargeTextQuery().applicationName(applicationName).isCustom());
}
@Override
public NotifTemplateDef getNotifTemplateDef(String templateName) throws UnifyException {
return templates.get(templateName);
}
@Override
public NotifLargeTextDef getNotifLargeTextDef(String largeTextName) throws UnifyException {
return largeTexts.get(largeTextName);
}
@Override
public void sendNotification(NotifMessage notifMessage) throws UnifyException {
NotifType notifType = notifMessage.getNotifType();
NotifMessageFormat format = notifMessage.getFormat();
if (notifMessage.isUseTemplate()) {
NotifTemplateDef notifTemplateDef = getNotifTemplateDef(notifMessage.getTemplate());
notifType = notifTemplateDef.getNotifType();
format = notifTemplateDef.getFormat();
}
if (NotifType.SYSTEM.equals(notifType)) {
dispatchSystemNotification(notifMessage);
} else {
MessageParts messageParts = getMessageParts(notifMessage);
NotificationOutbox notification = new NotificationOutbox();
notification.setTenantId(getUserTenantId());
notification.setImportance(notifMessage.getImportance());
notification.setFrom(notifMessage.getFrom());
notification.setType(notifType);
notification.setExpiryDt(null);
notification.setNextAttemptDt(notifMessage.isWithSendDelayInMinutes()
? CalendarUtils.getDateWithFrequencyOffset(getNow(), FrequencyUnit.MINUTE,
notifMessage.getSendDelayInMinutes())
: getNow());
notification.setSubject(messageParts.getSubject());
notification.setStatus(NotificationOutboxStatus.NOT_SENT);
notification.setFormat(format);
notification.setMessage(messageParts.getBody());
// Recipients
List recipientList = new ArrayList();
for (Recipient recipient : notifMessage.getRecipients()) {
NotificationRecipient notifRecipient = new NotificationRecipient();
notifRecipient.setType(recipient.getType());
notifRecipient.setRecipientName(recipient.getName());
notifRecipient.setRecipientContact(recipient.getContact());
recipientList.add(notifRecipient);
}
notification.setRecipientList(recipientList);
// Attachments
List attachmentList = new ArrayList();
for (Attachment attachment : notifMessage.getAttachments()) {
NotificationOutboxAttachment notifAttachment = new NotificationOutboxAttachment();
notifAttachment.setName(attachment.getName());
notifAttachment.setTitle(attachment.getTitle());
notifAttachment.setType(attachment.getType());
notifAttachment.setData(attachment.getData());
attachmentList.add(notifAttachment);
}
notification.setAttachmentList(attachmentList);
// Create outgoing notification
environment().create(notification);
}
}
@Periodic(PeriodicType.NORMAL)
public void sendNotifications(TaskMonitor taskMonitor) throws UnifyException {
if (au.system().getSysParameterValue(boolean.class, NotificationModuleSysParamConstants.NOTIFICATION_ENABLED)
&& tryGrabLock(SEND_NOTIFICATION_LOCK)) {
logDebug("Lock required to send notifications successfully grabbed...");
try {
final int maxBatchSize = au.system().getSysParameterValue(int.class,
NotificationModuleSysParamConstants.NOTIFICATION_MAX_BATCH_SIZE);
final int maxAttempts = au.system().getSysParameterValue(int.class,
NotificationModuleSysParamConstants.NOTIFICATION_MAXIMUM_TRIES);
final int retryMinutes = au.system().getSysParameterValue(int.class,
NotificationModuleSysParamConstants.NOTIFICATION_RETRY_MINUTES);
final Date now = environment().getNow();
for (NotifType notifType : NOTIFICATION_TYPE_LIST) {
for (Long tenantId : au.system().getPrimaryMappedTenantIds()) {
logDebug("Checking [{0}] notifications for tenant with id [{1}]...", notifType, tenantId);
if (environment().countAll(new NotificationChannelQuery().notifType(notifType)
.tenantId(tenantId).status(RecordStatus.ACTIVE)) > 0) {
logDebug("Sending [{0}] notifications for tenant with id [{1}]...", notifType, tenantId);
TenantChannelInfo tenantChannelInfo = tenantChannelInfos.get(tenantId);
final NotifChannelDef notifChannelDef = tenantChannelInfo
.getNotificationChannelDef(notifType);
if (notifChannelDef.isThrottled()) {
logDebug("Throttling detected for [{0}] and tenant with id [{1}]...",
notifChannelDef.getName(), tenantId);
if (notifChannelDef.isThrottledAndIsNotDue(now)) {
logDebug("Throttling not due an skipped for [{0}] and tenant with id [{1}].",
notifChannelDef.getName(), tenantId);
continue;
}
logDebug("Applying throttle at the rate of [{0}] messages per minute...",
notifChannelDef.getMessagesPerMinute());
}
try {
final int localMaxBatchSize = notifChannelDef.isThrottled()
? notifChannelDef.getMessagesPerMinute()
: (notifChannelDef.isProp(NotificationChannelPropertyConstants.MAX_BATCH_SIZE)
? notifChannelDef.getPropValue(int.class,
NotificationChannelPropertyConstants.MAX_BATCH_SIZE)
: maxBatchSize);
final int localMaxAttempts = notifChannelDef
.isProp(NotificationChannelPropertyConstants.MAX_TRIES)
? notifChannelDef.getPropValue(int.class,
NotificationChannelPropertyConstants.MAX_TRIES)
: maxAttempts;
final int localRetryMinutes = notifChannelDef
.isProp(NotificationChannelPropertyConstants.RETRY_MINUTES)
? notifChannelDef.getPropValue(int.class,
NotificationChannelPropertyConstants.RETRY_MINUTES)
: retryMinutes;
if (localMaxBatchSize > 0) {
logDebug(
"Parameters for sending notifications extracted. MaxBatchSize = [{0}], MaxAttempts = [{1}], RetryMinutes = [{2}]",
localMaxBatchSize, localMaxAttempts, localRetryMinutes);
List pendingNotificationIdList = environment().valueList(Long.class, "id",
new NotificationOutboxQuery().type(notifType).due(now)
.status(NotificationOutboxStatus.NOT_SENT)
.setLimit(localMaxBatchSize));
logDebug("Sending [{0}] notifications via channel [{1}]...",
pendingNotificationIdList.size(), notifChannelDef.getDescription());
if (!DataUtils.isBlank(pendingNotificationIdList)) {
NotificationMessagingChannel channel = getNotificationMessagingChannel(
notifType);
ChannelMessage[] messages = getChannelMessages(tenantId,
pendingNotificationIdList);
channel.sendMessages(notifChannelDef, messages);
for (ChannelMessage message : messages) {
final int attempts = message.getAttempts() + 1;
Update update = new Update().add("attempts", attempts);
if (message.isSent()) {
update.add("sentDt", now);
update.add("status", NotificationOutboxStatus.SENT);
} else {
if (attempts >= localMaxAttempts || !message.isRetry()) {
update.add("status", NotificationOutboxStatus.ABORTED);
} else {
Date nextAttemptDt = CalendarUtils.getNowWithFrequencyOffset(now,
FrequencyUnit.MINUTE, localRetryMinutes);
update.add("nextAttemptDt", nextAttemptDt);
}
}
environment().updateById(NotificationOutbox.class, message.getOriginId(),
update);
if (message.isWithError()) {
NotificationOutboxError error = new NotificationOutboxError();
error.setNotificationId(message.getOriginId());
error.setError(message.getError());
environment().create(error);
}
}
}
}
} catch (Exception e) {
logSevere(e);
} finally {
if (notifChannelDef.isThrottled()) {
NotificationChannel notificationChannel = environment()
.find(new NotificationChannelQuery().name(notifChannelDef.getName())
.tenantId(tenantId));
Date nextTransmissionOn = CalendarUtils.getNowWithFrequencyOffset(now,
FrequencyUnit.MINUTE, 1);
notificationChannel.setNextTransmissionOn(nextTransmissionOn);
environment().updateByIdVersion(notificationChannel);
}
commitTransactions();
}
}
}
}
} finally {
releaseLock(SEND_NOTIFICATION_LOCK);
logDebug("Lock required to send notifications successfully released...");
}
}
}
@Override
protected void doInstallModuleFeatures(ModuleInstall moduleInstall) throws UnifyException {
}
private NotificationMessagingChannel getNotificationMessagingChannel(NotifType type) throws UnifyException {
NotificationMessagingChannel channel = messagingChannels.get(type);
if (channel == null) {
switch (type) {
case EMAIL:
channel = (NotificationMessagingChannel) getComponent(
NotificationModuleNameConstants.EMAILMESSAGINGCHANNEL);
break;
case SMS:
channel = (NotificationMessagingChannel) getComponent(
NotificationModuleNameConstants.SMSMESSAGINGCHANNEL);
break;
case SYSTEM:
default:
break;
}
if (channel == null) {
throw new UnifyException(NotificationModuleErrorConstants.NOTIFICATION_CHANNEL_NOT_AVAILABLE, type);
}
messagingChannels.put(type, channel);
}
return channel;
}
private ChannelMessage[] getChannelMessages(Long tenantId, List pendingNotificationIdList)
throws UnifyException {
final boolean htmlFormatSupported = au.system().getSysParameterValue(boolean.class,
NotificationModuleSysParamConstants.NOTIFICATION_HTML_EMAILS_ENABLED);
List messages = new ArrayList();
for (Long notificationId : pendingNotificationIdList) {
NotificationOutbox notification = environment().find(NotificationOutbox.class, notificationId);
final NotifMessageFormat format = htmlFormatSupported ? notification.getFormat()
: NotifMessageFormat.PLAIN_TEXT;
ChannelMessage.Builder cmb = ChannelMessage.newBuilder(format, notification.getId())
.subject(notification.getSubject()).message(notification.getMessage())
.attempts(notification.getAttempts());
// Recipients
for (NotificationRecipient notificationRecipient : notification.getRecipientList()) {
cmb.addRecipient(notificationRecipient.getType(), notificationRecipient.getRecipientName(),
notificationRecipient.getRecipientContact());
}
// Attachments
for (NotificationOutboxAttachment attachment : notification.getAttachmentList()) {
cmb.addAttachment(attachment.getType(), attachment.getName(), attachment.getTitle(),
attachment.getData());
}
messages.add(cmb.build());
}
return DataUtils.toArray(ChannelMessage.class, messages);
}
private void dispatchSystemNotification(NotifMessage notifMessage) throws UnifyException {
final NotifType notifType = notifMessage.isUseTemplate()
? getNotifTemplateDef(notifMessage.getTemplate()).getNotifType()
: notifMessage.getNotifType();
if (!notifType.isSystem()) {
throw new UnifyException(NotificationModuleErrorConstants.CANNOT_SEND_NOTIFICATION_TYPE_THROUGH_CHANNEL,
notifType, NotifType.SYSTEM);
}
MessageParts messageParts = getMessageParts(notifMessage);
NotificationInbox notificationInbox = new NotificationInbox();
notificationInbox.setSubject(messageParts.getSubject());
notificationInbox.setActionLink(null);
notificationInbox.setActionTarget(null);
notificationInbox.setStatus(NotificationInboxStatus.NOT_READ);
notificationInbox.setMessage(messageParts.getBody());
for (Recipient recipient : notifMessage.getRecipients()) {
notificationInbox.setUserLoginId(recipient.getName());
environment().create(notificationInbox);
}
}
private MessageParts getMessageParts(NotifMessage notifMessage) throws UnifyException {
ValueStoreReader valueStoreReader = new MapValueStore(notifMessage.getParams()).getReader();
List subjectTokenList = null;
List templateTokenList = null;
if (notifMessage.isUseTemplate()) {
NotifTemplateDef notifTemplateDef = templates.get(notifMessage.getTemplate());
subjectTokenList = notifTemplateDef.getSubjectTokenList();
templateTokenList = notifTemplateDef.getTemplateTokenList();
} else {
subjectTokenList = notifMessage.getSubjectTokenList();
templateTokenList = notifMessage.getTemplateTokenList();
}
ParameterizedStringGenerator sgenerator = au.getStringGenerator(valueStoreReader, subjectTokenList);
ParameterizedStringGenerator bgenerator = au.getStringGenerator(valueStoreReader, templateTokenList);
String subject = sgenerator.generate();
String body = bgenerator.generate();
return new MessageParts(subject, body);
}
private class MessageParts {
private final String subject;
private final String body;
public MessageParts(String subject, String body) {
this.subject = subject;
this.body = body;
}
public String getSubject() {
return subject;
}
public String getBody() {
return body;
}
}
private class TenantChannelInfo {
private final FactoryMap channelDefsByType;
private final FactoryMap channelDefsByName;
private final Long tenantId;
public TenantChannelInfo(Long _tenantId) {
this.tenantId = _tenantId;
channelDefsByType = new FactoryMap(true)
{
@Override
protected boolean stale(NotifType type, NotifChannelDef notifChannelDef) throws Exception {
return (environment().value(long.class, "versionNo", new NotificationChannelQuery()
.tenantId(tenantId).id(notifChannelDef.getId())) > notifChannelDef.getVersion());
}
@Override
protected NotifChannelDef create(NotifType type, Object... params) throws Exception {
String name = environment().value(String.class, "name",
new NotificationChannelQuery().notifType(type).tenantId(tenantId));
return channelDefsByName.get(name);
}
};
channelDefsByName = new FactoryMap(true)
{
@Override
protected boolean stale(String name, NotifChannelDef notifChannelDef) throws Exception {
return (environment().value(long.class, "versionNo", new NotificationChannelQuery()
.tenantId(tenantId).id(notifChannelDef.getId())) > notifChannelDef.getVersion());
}
@Override
protected NotifChannelDef create(String name, Object... params) throws Exception {
NotificationChannel notificationChannel = environment()
.list(new NotificationChannelQuery().name(name).tenantId(tenantId));
if (notificationChannel == null) {
throw new UnifyException(
NotificationModuleErrorConstants.NOTIFICATION_CHANNEL_WITH_NAME_UNKNOWN, name);
}
NotifChannelDef.Builder ncdb = NotifChannelDef.newBuilder(
notificationChannel.getNotificationType(), notificationChannel.getSenderName(),
notificationChannel.getSenderContact(), notificationChannel.getNextTransmissionOn(),
DataUtils.convert(int.class, notificationChannel.getMessagesPerMinute()), name,
notificationChannel.getDescription(), notificationChannel.getId(),
notificationChannel.getVersionNo());
for (NotificationChannelProp notifChannelProp : notificationChannel.getChannelPropList()) {
String val = notifChannelProp.getValue();
if (NotificationHostServerConstants.PASSWORD_PROPERTY.equals(notifChannelProp.getName())) {
val = twoWayStringCryptograph.decrypt(val);
}
ncdb.addPropDef(notifChannelProp.getName(), val);
}
return ncdb.build();
}
};
}
public NotifChannelDef getNotificationChannelDef(NotifType type) throws UnifyException {
return channelDefsByType.get(type);
}
}
}