/
EmailRecipientsServiceImpl.java
83 lines (77 loc) · 3.27 KB
/
EmailRecipientsServiceImpl.java
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/*
* Copyright © 2015 The Gravitee team (http://gravitee.io)
*
* 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 io.gravitee.rest.api.service.impl;
import static java.util.function.Predicate.not;
import io.gravitee.apim.core.template.TemplateProcessor;
import io.gravitee.apim.core.template.TemplateProcessorException;
import io.gravitee.rest.api.model.UserEntity;
import io.gravitee.rest.api.service.EmailRecipientsService;
import io.gravitee.rest.api.service.UserService;
import io.gravitee.rest.api.service.common.ExecutionContext;
import java.util.Arrays;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.Set;
import java.util.regex.Pattern;
import java.util.stream.Collectors;
import lombok.AllArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
import org.springframework.stereotype.Component;
@Component
@AllArgsConstructor
@Slf4j
public class EmailRecipientsServiceImpl implements EmailRecipientsService {
public static final Pattern SPLIT_PATTERN = Pattern.compile("[,;\\s]");
private final TemplateProcessor templateProcessor;
private final UserService userService;
@Override
public Set<String> processTemplatedRecipients(Collection<String> templatedRecipientsEmail, final Map<String, Object> templateData) {
return templatedRecipientsEmail
.stream()
.flatMap(splittableRecipientsStr ->
Arrays
.stream(SPLIT_PATTERN.split(splittableRecipientsStr))
.filter(not(String::isEmpty))
.map(recipient -> {
if (recipient.contains("$")) {
try {
return Optional.ofNullable(templateProcessor.processInlineTemplate(recipient, templateData));
} catch (TemplateProcessorException e) {
log.error("Error while processing template '{}' skipping this email", recipient, e);
return Optional.<String>empty();
}
}
return Optional.of(recipient);
})
)
.flatMap(Optional::stream)
.filter(not(StringUtils::isEmpty))
.collect(Collectors.toSet());
}
@Override
public Set<String> filterRegisteredUser(ExecutionContext executionContext, Collection<String> recipientsEmail) {
return recipientsEmail
.stream()
.map(email -> userService.findByEmail(executionContext, email))
.flatMap(Optional::stream)
.filter(UserEntity::optedIn)
.map(UserEntity::getEmail)
.collect(Collectors.toSet());
}
}