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org.openfact.email.freemarker.FreeMarkerEmailTemplateProvider Maven / Gradle / Ivy
package org.openfact.email.freemarker;
import org.keycloak.common.util.ObjectUtil;
import org.openfact.email.EmailException;
import org.openfact.email.EmailSenderProvider;
import org.openfact.email.EmailTemplateConfiguration;
import org.openfact.email.EmailTemplateProvider;
import org.openfact.models.DocumentModel;
import org.openfact.models.OrganizationModel;
import org.openfact.theme.*;
import org.openfact.theme.beans.MessageFormatterMethod;
import javax.ejb.Stateless;
import javax.inject.Inject;
import java.text.MessageFormat;
import java.util.*;
@Stateless
public class FreeMarkerEmailTemplateProvider implements EmailTemplateProvider {
@Inject
private FreeMarkerUtil freeMarker;
@Inject
@ThemeProviderType(type = ThemeProviderType.ProviderType.EXTENDING)
private ThemeProvider themeProvider;
@Inject
private EmailSenderProvider emailSender;
@Override
public void send(EmailTemplateConfiguration config, String subjectKey, String template, Map attributes) throws EmailException {
send(config, subjectKey, Collections.emptyList(), template, attributes);
}
private void send(EmailTemplateConfiguration config, String subjectKey, List subjectAttributes, String template, Map attributes) throws EmailException {
try {
OrganizationModel organization = config.getOrganization();
Theme theme = themeProvider.getTheme(organization.getEmailTheme(), Theme.Type.EMAIL);
Locale locale = organization.getDefaultLocale() != null ? new Locale(organization.getDefaultLocale()) : Locale.ENGLISH;
attributes.put("locale", locale);
Properties rb = theme.getMessages(locale);
attributes.put("msg", new MessageFormatterMethod(locale, rb));
String subject = new MessageFormat(rb.getProperty(subjectKey, subjectKey), locale).format(subjectAttributes.toArray());
String textTemplate = String.format("text/%s", template);
String textBody;
try {
textBody = freeMarker.processTemplate(attributes, textTemplate, theme);
} catch (final FreeMarkerException e) {
textBody = null;
}
String htmlTemplate = String.format("html/%s", template);
String htmlBody;
try {
htmlBody = freeMarker.processTemplate(attributes, htmlTemplate, theme);
} catch (final FreeMarkerException e) {
htmlBody = null;
}
send(config, subject, textBody, htmlBody);
} catch (Exception e) {
throw new EmailException("Failed to template email", e);
}
}
private void send(EmailTemplateConfiguration config, String subject, String textBody, String htmlBody) throws EmailException {
if (config.getAttachments() == null || config.getAttachments().isEmpty()) {
emailSender.send(config.getOrganization(), config.getUser(), subject, textBody, htmlBody);
} else {
emailSender.send(config.getOrganization(), config.getUser(), subject, textBody, htmlBody, config.getAttachments());
}
}
private String toCamelCase(String event) {
StringBuilder sb = new StringBuilder();
for (String s : event.toLowerCase().split("_")) {
sb.append(ObjectUtil.capitalize(s));
}
return sb.toString();
}
@Override
public void sendDocument(EmailTemplateConfiguration config, DocumentModel document) throws EmailException {
Map attributes = new HashMap();
attributes.put("organizationName", config.getOrganizationName());
StringBuilder subject = new StringBuilder();
if (config.getOrganizationDisplayName() != null) {
subject.append(config.getOrganizationDisplayName());
} else {
subject.append(config.getOrganizationName());
}
subject.append("/").append(toCamelCase(document.getDocumentType())).append(" ").append(document.getDocumentId());
send(config, subject.toString(), "document.ftl", attributes);
}
}
