/**
* Copyright © 2016-2017 The Thingsboard Authors
*
* 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.thingsboard.server.extensions.core.action.mail;
import lombok.extern.slf4j.Slf4j;
import org.apache.velocity.Template;
import org.apache.velocity.VelocityContext;
import org.apache.velocity.runtime.parser.ParseException;
import org.springframework.util.StringUtils;
import org.thingsboard.server.common.msg.device.ToDeviceActorMsg;
import org.thingsboard.server.common.msg.session.ToDeviceMsg;
import org.thingsboard.server.extensions.api.component.Action;
import org.thingsboard.server.extensions.api.plugins.PluginAction;
import org.thingsboard.server.extensions.api.plugins.msg.PluginToRuleMsg;
import org.thingsboard.server.extensions.api.plugins.msg.ResponsePluginToRuleMsg;
import org.thingsboard.server.extensions.api.plugins.msg.RuleToPluginMsg;
import org.thingsboard.server.extensions.api.rules.RuleContext;
import org.thingsboard.server.extensions.api.rules.RuleProcessingMetaData;
import org.thingsboard.server.extensions.api.rules.SimpleRuleLifecycleComponent;
import org.thingsboard.server.extensions.core.utils.VelocityUtils;
import java.util.Optional;
/**
* @author Andrew Shvayka
*/
@Action(name = "Send Mail Action", descriptor = "SendMailActionDescriptor.json", configuration = SendMailActionConfiguration.class)
@Slf4j
public class SendMailAction extends SimpleRuleLifecycleComponent implements PluginAction<SendMailActionConfiguration> {
private SendMailActionConfiguration configuration;
private Optional<Template> fromTemplate;
private Optional<Template> toTemplate;
private Optional<Template> ccTemplate;
private Optional<Template> bccTemplate;
private Optional<Template> subjectTemplate;
private Optional<Template> bodyTemplate;
@Override
public void init(SendMailActionConfiguration configuration) {
this.configuration = configuration;
try {
fromTemplate = toTemplate(configuration.getFromTemplate(), "From Template");
toTemplate = toTemplate(configuration.getToTemplate(), "To Template");
ccTemplate = toTemplate(configuration.getCcTemplate(), "Cc Template");
bccTemplate = toTemplate(configuration.getBccTemplate(), "Bcc Template");
subjectTemplate = toTemplate(configuration.getSubjectTemplate(), "Subject Template");
bodyTemplate = toTemplate(configuration.getBodyTemplate(), "Body Template");
} catch (ParseException e) {
log.error("Failed to create templates based on provided configuration!", e);
throw new RuntimeException("Failed to create templates based on provided configuration!", e);
}
}
private Optional<Template> toTemplate(String source, String name) throws ParseException {
if (!StringUtils.isEmpty(source)) {
return Optional.of(VelocityUtils.create(source, name));
} else {
return Optional.empty();
}
}
@Override
public Optional<RuleToPluginMsg<?>> convert(RuleContext ctx, ToDeviceActorMsg toDeviceActorMsg, RuleProcessingMetaData metadata) {
String sendFlag = configuration.getSendFlag();
if (StringUtils.isEmpty(sendFlag) || (Boolean) metadata.get(sendFlag).orElse(Boolean.FALSE)) {
VelocityContext context = VelocityUtils.createContext(metadata);
SendMailActionMsg.SendMailActionMsgBuilder builder = SendMailActionMsg.builder();
fromTemplate.ifPresent(t -> builder.from(VelocityUtils.merge(t, context)));
toTemplate.ifPresent(t -> builder.to(VelocityUtils.merge(t, context)));
ccTemplate.ifPresent(t -> builder.cc(VelocityUtils.merge(t, context)));
bccTemplate.ifPresent(t -> builder.bcc(VelocityUtils.merge(t, context)));
subjectTemplate.ifPresent(t -> builder.subject(VelocityUtils.merge(t, context)));
bodyTemplate.ifPresent(t -> builder.body(VelocityUtils.merge(t, context)));
return Optional.of(new SendMailRuleToPluginActionMsg(toDeviceActorMsg.getTenantId(), toDeviceActorMsg.getCustomerId(), toDeviceActorMsg.getDeviceId(),
builder.build()));
} else {
return Optional.empty();
}
}
@Override
public Optional<ToDeviceMsg> convert(PluginToRuleMsg<?> response) {
if (response instanceof ResponsePluginToRuleMsg) {
return Optional.of(((ResponsePluginToRuleMsg) response).getPayload());
}
return Optional.empty();
}
@Override
public boolean isOneWayAction() {
return true;
}
}