Done ticket GEPAFINBE-39

pom.xml

@@ -179,6 +179,12 @@
 		    <version>5.3.0</version>
 		</dependency>
 		
+		<dependency>
+			<groupId>com.mailgun</groupId>
+			<artifactId>mailgun-java</artifactId>
+			<version>1.0.2</version>
+		</dependency>
+		
 		<dependency>
     <groupId>org.apache.santuario</groupId>
     <artifactId>xmlsec</artifactId>

src/main/java/net/gepafin/tendermanagement/constants/GepafinConstant.java

@@ -199,6 +199,7 @@ public class GepafinConstant {
 	public static final String DELEGATION_NOT_FOUND = "delegation.not.found";
 	public static final String USER_COMPANY_RELATION_NOT_FOUND = "user.company.relation.not.found";
 	public static final String DELEGATION_DELETE_SUCCESS = "delegation.delete.success";
+	public static final String HH_MM_SS = "HH:mm:ss";
 
 }
 

src/main/java/net/gepafin/tendermanagement/dao/ApplicationDao.java

@@ -3,6 +3,7 @@ package net.gepafin.tendermanagement.dao;
 import net.gepafin.tendermanagement.config.Translator;
 import net.gepafin.tendermanagement.constants.GepafinConstant;
 import net.gepafin.tendermanagement.entities.*;
+import net.gepafin.tendermanagement.entities.SystemEmailTemplatesEntity.SystemEmailTemplatesEntityTypeEnum;
 import net.gepafin.tendermanagement.enums.ApplicationStatusTypeEnum;
 import net.gepafin.tendermanagement.enums.DocumentSourceTypeEnum;
 import net.gepafin.tendermanagement.enums.RoleStatusEnum;
@@ -14,16 +15,20 @@ import net.gepafin.tendermanagement.repositories.*;
 import net.gepafin.tendermanagement.service.CallService;
 import net.gepafin.tendermanagement.service.DocumentService;
 import net.gepafin.tendermanagement.service.FormService;
+import net.gepafin.tendermanagement.service.SystemEmailTemplatesService;
 import net.gepafin.tendermanagement.util.DateTimeUtil;
 import net.gepafin.tendermanagement.util.FieldValidator;
+import net.gepafin.tendermanagement.util.MailUtil;
 import net.gepafin.tendermanagement.util.Utils;
 import net.gepafin.tendermanagement.util.Validator;
 import net.gepafin.tendermanagement.web.rest.api.errors.CustomValidationException;
 import net.gepafin.tendermanagement.web.rest.api.errors.ResourceNotFoundException;
 import net.gepafin.tendermanagement.web.rest.api.errors.Status;
+
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
 import org.springframework.data.jpa.domain.Specification;
 import org.springframework.stereotype.Component;
 
@@ -76,6 +81,19 @@ public class ApplicationDao {
     @Autowired
     private ProtocolRepository protocolRepository;
     
+    @Autowired
+    private SystemEmailTemplatesService systemEmailTemplatesService;
+    
+    @Autowired
+    private MailUtil mailUtil;
+    
+    @Value("${default_System_Receiver_Email}")
+	private String defaultSystemReceiverEmail;
+    
+    @Value("${gepafin_email}")
+	private String gepafinEmail;
+
+
 
     public ApplicationResponseBean createApplication(ApplicationRequestBean applicationRequestBean, UserEntity userEntity, Long formId, Long applicationId) {
         FormEntity formEntity = formService.validateForm(formId);
@@ -516,7 +534,7 @@ public class ApplicationDao {
         }
     }
 
-    public ApplicationResponse  updateApplicationStatus(Long applicationId, ApplicationStatusTypeEnum status) {
+    public ApplicationResponse updateApplicationStatus(UserEntity userEntity, Long applicationId, ApplicationStatusTypeEnum status) {
         ApplicationEntity applicationEntity = validateApplication(applicationId);
 
         if(Boolean.TRUE.equals(applicationEntity.getStatus().equals(status.getValue()))){
@@ -547,6 +565,8 @@ public class ApplicationDao {
             applicationEntity.setProtocol(protocolEntity);
             applicationEntity.setStatus(ApplicationStatusTypeEnum.SUBMIT.getValue());
             applicationEntity.setSubmissionDate(DateTimeUtil.DateServerToUTC(LocalDateTime.now()));
+            sendMailToUserAndCompany(userEntity, applicationEntity);
+            sendMailTodefaultSystemAndGepafin(userEntity, applicationEntity);
         } else {
             applicationEntity.setStatus(status.getValue());
         }
@@ -555,7 +575,7 @@ public class ApplicationDao {
         return getApplicationResponse(applicationEntity);
     }
 
-    public Integer calculateProgress(Long totalSteps, Long completedSteps) {
+	public Integer calculateProgress(Long totalSteps, Long completedSteps) {
         if (FieldValidator.isNullOrZero(totalSteps)) {
             throw new CustomValidationException(Status.BAD_REQUEST,Translator.toLocale(GepafinConstant.TOTAL_STEPS_NOT_BE_ZERO));
         }
@@ -639,4 +659,64 @@ public class ApplicationDao {
         protocolRepository.save(protocolEntity);
         return protocolEntity;
     }
+
+	private void sendMailToUserAndCompany(UserEntity userEntity, ApplicationEntity applicationEntity) {
+		CallEntity call =applicationEntity.getCall();
+		CompanyEntity company = applicationEntity.getCompany();
+		ProtocolEntity protocol = applicationEntity.getProtocol(); 
+		SystemEmailTemplateResponse systemEmailTemplateResponse = systemEmailTemplatesService
+				.retrieveTemplateByTypeAndCall(SystemEmailTemplatesEntityTypeEnum.APPLICATION_SUBMISSION_TO_USER_AND_COMPANY,
+						call, null);
+		
+		// Create the map for subject placeholders
+		Map<String, String> subjectPlaceholders = new HashMap<>();
+		subjectPlaceholders.put("{{call_name}}", call.getName());
+		subjectPlaceholders.put("{{company_name}}", company.getCompanyName());
+
+		// Create the map for body placeholders
+		Map<String, String> bodyPlaceholders = new HashMap<>();
+		bodyPlaceholders.put("{{call_name}}", call.getName());
+		bodyPlaceholders.put("{{protocol_number}}", protocol.getProtocolNumber().toString());
+		bodyPlaceholders.put("{{date}}", DateTimeUtil.formatLocalDateTime(protocol.getCreatedDate(), GepafinConstant.YYYY_MM_DD_SLASH));
+		bodyPlaceholders.put("{{time}}", DateTimeUtil.parseLocalTimeToString(protocol.getTime(), GepafinConstant.HH_MM_SS));
+
+		// Replace placeholders in the subject and body
+		String subject = Utils.replacePlaceholders(systemEmailTemplateResponse.getSubject(), subjectPlaceholders);
+		String body = Utils.replacePlaceholders(systemEmailTemplateResponse.getHtmlContent(), bodyPlaceholders);
+
+		
+		mailUtil.sendByMailGun(subject, body, List.of(userEntity.getEmail()), null);
+		mailUtil.sendByMailGun(subject, body, List.of(applicationEntity.getCompany().getEmail()), null);
+
+	}
+	
+	private void sendMailTodefaultSystemAndGepafin(UserEntity userEntity, ApplicationEntity applicationEntity) {
+		CallEntity call =applicationEntity.getCall();
+		CompanyEntity company = applicationEntity.getCompany();
+		ProtocolEntity protocol = applicationEntity.getProtocol(); 
+		SystemEmailTemplateResponse systemEmailTemplateResponse = systemEmailTemplatesService
+				.retrieveTemplateByTypeAndCall(SystemEmailTemplatesEntityTypeEnum.APPLICATION_SUBMISSION_TO_GEPAFIN,
+						call, null);
+		
+		// Create the map for subject placeholders
+		Map<String, String> subjectPlaceholders = new HashMap<>();
+		subjectPlaceholders.put("{{call_name}}", call.getName());
+		subjectPlaceholders.put("{{company_name}}", company.getCompanyName());
+
+		// Create the map for body placeholders
+		Map<String, String> bodyPlaceholders = new HashMap<>();
+		bodyPlaceholders.put("{{call_name}}", call.getName());
+		bodyPlaceholders.put("{{protocol_number}}", protocol.getProtocolNumber().toString());
+		bodyPlaceholders.put("{{date}}", DateTimeUtil.formatLocalDateTime(protocol.getCreatedDate(), GepafinConstant.YYYY_MM_DD_SLASH));
+		bodyPlaceholders.put("{{time}}", DateTimeUtil.parseLocalTimeToString(protocol.getTime(), GepafinConstant.HH_MM_SS));
+
+		// Replace placeholders in the subject and body
+		String subject = Utils.replacePlaceholders(systemEmailTemplateResponse.getSubject(), subjectPlaceholders);
+		String body = Utils.replacePlaceholders(systemEmailTemplateResponse.getHtmlContent(), bodyPlaceholders);
+
+		
+		mailUtil.sendByMailGun(subject, body, List.of(defaultSystemReceiverEmail), null);
+		mailUtil.sendByMailGun(subject, body, List.of(gepafinEmail), null);
+
+	}
 }

src/main/java/net/gepafin/tendermanagement/dao/SystemEmailTemplatesDao.java

@@ -0,0 +1,116 @@
+package net.gepafin.tendermanagement.dao;
+
+import java.util.HashMap;
+import java.util.Locale;
+import java.util.Map;
+
+import org.apache.commons.lang3.StringUtils;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Component;
+
+import net.gepafin.tendermanagement.entities.CallEntity;
+import net.gepafin.tendermanagement.entities.SystemEmailTemplatesEntity;
+import net.gepafin.tendermanagement.entities.SystemEmailTemplatesEntity.SystemEmailTemplatesEntityTypeEnum;
+import net.gepafin.tendermanagement.model.response.SystemEmailTemplateResponse;
+import net.gepafin.tendermanagement.repositories.SystemEmailTemplatesRespository;
+import net.gepafin.tendermanagement.util.Utils;
+
+@Component
+public class SystemEmailTemplatesDao {
+	
+	@Autowired
+	private SystemEmailTemplatesRespository systemEmailTemplatesRespository;
+	
+	@Value("${fe.base.url}")
+	private String feBaseUrl;
+	
+	
+	public SystemEmailTemplateResponse retrieveTemplate(SystemEmailTemplatesEntityTypeEnum type, CallEntity call, Locale language) {
+		SystemEmailTemplatesEntity dbSystemEmailTemplatesEntity = null;
+		if(call != null){
+//			dbSystemEmailTemplatesEntity = systemEmailTemplatesRespository
+//					.findByTypeAndCallId(type.getValue(), call.getId());
+		}
+		if(dbSystemEmailTemplatesEntity == null){
+			dbSystemEmailTemplatesEntity = systemEmailTemplatesRespository
+					.findByType(type.getValue());
+		}
+
+		SystemEmailTemplateResponse systemEmailTemplateResponse = replaceHtmlContant(dbSystemEmailTemplatesEntity, call, language, Boolean.TRUE);
+		return systemEmailTemplateResponse;
+	}
+	
+	private SystemEmailTemplateResponse replaceHtmlContant(SystemEmailTemplatesEntity dbSystemEmailTemplatesEntity,
+			CallEntity call, Locale language1, Boolean isDefaultReplace) {
+		String language = null;
+		String htmlContent = dbSystemEmailTemplatesEntity.getHtmlContent();
+		String subject = dbSystemEmailTemplatesEntity.getSubject();
+
+		if (language1 == null) {
+//			language = getLanguage(LocaleContextHolder.getLocale());
+			language="italian";
+		}else{
+			language="italian";
+		}
+		Map<String, String> languageMap = new HashMap<>();
+		String jsonContent = dbSystemEmailTemplatesEntity.getJson();
+		if (Boolean.FALSE.equals(StringUtils.isEmpty(jsonContent))) {
+			Map<String, Map<String, String>> jsonMap = Utils.parseJsonContent(jsonContent);
+			if (jsonMap != null && jsonMap.containsKey(language)) {
+				languageMap = jsonMap.get(language);
+				htmlContent = replacePlaceholders(htmlContent, languageMap);
+				subject = replaceSubjectPlaceholders(subject, languageMap);
+
+			}
+		}
+		if(Boolean.TRUE.equals(StringUtils.isEmpty(subject))){
+			subject = "";
+		}
+
+		
+		htmlContent = replacePlatformLinkPlaceholder(call, htmlContent, languageMap);
+		SystemEmailTemplateResponse systemEmailTemplateResponse = new SystemEmailTemplateResponse();
+		systemEmailTemplateResponse.setHtmlContent(htmlContent);
+		systemEmailTemplateResponse.setSubject(subject);
+		systemEmailTemplateResponse.setJsonMap(languageMap);
+		return systemEmailTemplateResponse;
+	}
+	
+	
+	
+//	private String getLanguage(Locale locale) {
+//		return switch (locale.getLanguage()) {
+//			case "en" -> "english";
+//			case "it" -> "italian";
+//			default -> "italian";
+//		};
+//	}
+
+	private String replacePlaceholders(String htmlContent, Map<String, String> languageMap) {
+		for (Map.Entry<String, String> entry : languageMap.entrySet()) {
+			htmlContent = htmlContent.replace("{{" + entry.getKey() + "}}", entry.getValue());
+		}
+		return htmlContent;
+	}
+
+	private String replaceSubjectPlaceholders(String subject, Map<String, String> languageMap) {
+		if(languageMap.containsKey("subject") && subject != null){
+			String value = languageMap.get("subject");
+			subject = subject.replace("{{subject}}", value);
+			return subject;
+		}
+		return "";
+	}
+	private String replacePlatformLinkPlaceholder(CallEntity call, String htmlContent,
+			Map<String, String> languageMap) {
+		String platformLink = feBaseUrl;
+		
+//		if(hubEntity != null && Boolean.FALSE.equals(isEmpty(hubEntity.getDomainName()))){
+//			platformLink = hubEntity.getDomainName();
+//		}
+		htmlContent = htmlContent.replace("{{platform_link}}", platformLink);
+		return htmlContent;
+	}
+
+}

src/main/java/net/gepafin/tendermanagement/entities/SystemEmailTemplatesEntity.java

@@ -0,0 +1,56 @@
+package net.gepafin.tendermanagement.entities;
+
+import com.fasterxml.jackson.annotation.JsonValue;
+
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.JoinColumn;
+import jakarta.persistence.ManyToOne;
+import jakarta.persistence.Table;
+import lombok.Data;
+
+@Entity
+@Table(name = "system_email_template")
+@Data
+public class SystemEmailTemplatesEntity extends BaseEntity {
+	
+
+	@Column(name = "TEMPLATE_NAME")
+	private String templateName;
+
+	@Column(name = "TYPE")
+	private String type;
+
+	@Column(name = "HTML_CONTENT", columnDefinition = "TEXT")
+	private String htmlContent;
+	
+	@Column(name = "SUBJECT")
+	private String subject;
+
+	@Column(name = "JSON", columnDefinition = "TEXT")
+	private String json;
+
+	@Column(name = "SYSTEM")
+	private Boolean system;
+	
+    @Column(name ="IS_DELETED", nullable = false)
+    private Boolean isDeleted = false;
+    
+	public enum SystemEmailTemplatesEntityTypeEnum {
+
+		APPLICATION_SUBMISSION_TO_USER_AND_COMPANY("APPLICATION_SUBMISSION_TO_USER_AND_COMPANY"),
+		APPLICATION_SUBMISSION_TO_GEPAFIN("APPLICATION_SUBMISSION_TO_GEPAFIN");
+		
+		private String value;
+
+		SystemEmailTemplatesEntityTypeEnum(String value) {
+			this.value = value;
+		}
+
+		@JsonValue
+		public String getValue() {
+			return value;
+		}
+	}
+
+}

src/main/java/net/gepafin/tendermanagement/model/response/SystemEmailTemplateResponse.java

@@ -0,0 +1,16 @@
+package net.gepafin.tendermanagement.model.response;
+
+import java.util.Map;
+
+import lombok.Data;
+
+@Data
+public class SystemEmailTemplateResponse {
+
+    String htmlContent;
+
+    String subject;
+
+    Map<String, String> jsonMap;
+
+}

src/main/java/net/gepafin/tendermanagement/repositories/SystemEmailTemplatesRespository.java

@@ -0,0 +1,17 @@
+package net.gepafin.tendermanagement.repositories;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.query.Param;
+
+import net.gepafin.tendermanagement.entities.SystemEmailTemplatesEntity;
+
+public interface SystemEmailTemplatesRespository extends JpaRepository<SystemEmailTemplatesEntity, Long> {
+
+//	@Query("select s from SystemEmailTemplatesEntity s where s.type=:type and s.call.id=:callId and s.isDeleted =false and s.system = false")
+//	SystemEmailTemplatesEntity findByTypeAndCallId(@Param("type") String type, @Param("callId") Long callId);
+
+	@Query("select s from SystemEmailTemplatesEntity s where s.type=:type and s.isDeleted =false and s.system = true")
+	SystemEmailTemplatesEntity findByType(@Param("type") String type);
+
+}

src/main/java/net/gepafin/tendermanagement/service/SystemEmailTemplatesService.java

@@ -0,0 +1,13 @@
+package net.gepafin.tendermanagement.service;
+
+import java.util.Locale;
+
+import net.gepafin.tendermanagement.entities.CallEntity;
+import net.gepafin.tendermanagement.entities.SystemEmailTemplatesEntity.SystemEmailTemplatesEntityTypeEnum;
+import net.gepafin.tendermanagement.model.response.SystemEmailTemplateResponse;
+
+public interface SystemEmailTemplatesService {
+	
+	SystemEmailTemplateResponse retrieveTemplateByTypeAndCall(SystemEmailTemplatesEntityTypeEnum type, CallEntity call, Locale language);
+
+}

src/main/java/net/gepafin/tendermanagement/service/impl/ApplicationServiceImpl.java

@@ -78,7 +78,8 @@ public class ApplicationServiceImpl implements ApplicationService {
     @Override
     @Transactional(rollbackFor = Exception.class)
     public ApplicationResponse updateApplicationStatus(HttpServletRequest request, Long applicationId, ApplicationStatusTypeEnum status) {
-    	return applicationDao.updateApplicationStatus(applicationId, status);
+    	UserEntity userEntity = validator.validateUser(request);
+    	return applicationDao.updateApplicationStatus(userEntity, applicationId, status);
     	
     }
 

src/main/java/net/gepafin/tendermanagement/service/impl/SystemEmailTemplatesServiceImpl.java

@@ -0,0 +1,27 @@
+package net.gepafin.tendermanagement.service.impl;
+
+import java.util.Locale;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import net.gepafin.tendermanagement.dao.SystemEmailTemplatesDao;
+import net.gepafin.tendermanagement.entities.CallEntity;
+import net.gepafin.tendermanagement.entities.SystemEmailTemplatesEntity.SystemEmailTemplatesEntityTypeEnum;
+import net.gepafin.tendermanagement.model.response.SystemEmailTemplateResponse;
+import net.gepafin.tendermanagement.service.SystemEmailTemplatesService;
+
+@Service
+public class SystemEmailTemplatesServiceImpl implements SystemEmailTemplatesService {
+	
+	@Autowired
+	private SystemEmailTemplatesDao systemEmailTemplatesDao;
+	
+	
+	@Override
+	public SystemEmailTemplateResponse retrieveTemplateByTypeAndCall(SystemEmailTemplatesEntityTypeEnum type, CallEntity call, Locale language) {
+     return  systemEmailTemplatesDao.retrieveTemplate(type, call, language);
+	}
+	
+
+}

src/main/java/net/gepafin/tendermanagement/util/DateTimeUtil.java

@@ -92,4 +92,20 @@ public class DateTimeUtil {
 		DateTimeFormatter formatter = DateTimeFormatter.ofPattern(pattern);
 		return LocalDateTime.parse(dateTimeStr, formatter);
 	}
+	
+	public static String parseLocalTimeToString(LocalTime time, String format) {
+        DateTimeFormatter formatter = DateTimeFormatter.ofPattern(format);
+        return time.format(formatter);
+    }
+
+    // Method 2: Convert String and format to LocalTime
+    public static LocalTime parseStringToLocalTime(String timeString, String format) {
+        try {
+            DateTimeFormatter formatter = DateTimeFormatter.ofPattern(format);
+            return LocalTime.parse(timeString, formatter);
+        } catch (DateTimeParseException e) {
+            System.out.println("Invalid time format: " + e.getMessage());
+            return null;
+        }
+    }
 }

src/main/java/net/gepafin/tendermanagement/util/MailUtil.java

@@ -0,0 +1,78 @@
+package net.gepafin.tendermanagement.util;
+
+import java.util.Arrays;
+import java.util.List;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.core.env.Environment;
+import org.springframework.stereotype.Component;
+import org.springframework.util.CollectionUtils;
+
+import com.mailgun.api.v3.MailgunMessagesApi;
+import com.mailgun.client.MailgunClient;
+
+@Component
+public class MailUtil {
+
+	@Value("${apiKey}")
+	private String apiKeyValue;
+
+	@Value("${mailGun_user}")
+	private String mailGunUser;
+
+	@Value("${mailGun_apiKey}")
+	private String mailGunApiKey;
+
+	@Value("${mailGun_domainName}")
+	private String mailGunDomainName;
+
+	@Value("${mailGun_base_url}")
+	private String mailGunBaseUrl;
+
+	@Value("${isMailSendingEnabled}")
+	private String isEmailSendingEnabled;
+
+	@Autowired
+	private Environment environment;
+
+	public Boolean isTestProfileActivated() {
+		String[] activeProfiles = environment.getActiveProfiles();
+		return Arrays.stream(activeProfiles).anyMatch("test"::equals);
+	}
+
+	public void sendMailByMailGunAPI(List<String> recipents, List<String> CC, List<String> BCC, String subject,
+			String body, String replyTo) {
+		if (Boolean.FALSE.equals(Boolean.parseBoolean(isEmailSendingEnabled))) {
+			return;
+		}
+
+		MailgunMessagesApi mailgunMessagesApi = MailgunClient.config(mailGunBaseUrl, mailGunApiKey)
+				.createApi(MailgunMessagesApi.class);
+
+		String mailFrom = mailGunUser;
+
+		com.mailgun.model.message.Message.MessageBuilder temp = com.mailgun.model.message.Message.builder()
+				.replyTo(replyTo).from(mailFrom).to(recipents).subject(subject).html(body);
+
+		if (Boolean.FALSE.equals(CollectionUtils.isEmpty(CC))) {
+			temp.cc(CC);
+		}
+
+		if (Boolean.FALSE.equals(CollectionUtils.isEmpty(BCC))) {
+			temp.bcc(BCC);
+		}
+
+		if (Boolean.FALSE.equals(isTestProfileActivated())) {
+			com.mailgun.model.message.Message message = temp.build();
+			mailgunMessagesApi.sendMessage(mailGunDomainName, message);
+		}
+
+	}
+
+	public void sendByMailGun(String subject, String body, List<String> receiverEmails, String replyTo) {
+		sendMailByMailGunAPI(receiverEmails, null, null, subject, body, replyTo);
+		
+	}
+
+}

src/main/java/net/gepafin/tendermanagement/util/Utils.java

@@ -5,6 +5,7 @@ import java.lang.reflect.Type;
 import java.nio.charset.StandardCharsets;
 import java.security.SecureRandom;
 import java.util.Base64;
+import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.function.Consumer;
@@ -276,4 +277,30 @@ public class Utils {
 		}
 	}
 
+	public static  Map<String, Map<String, String>> parseJsonContent(String jsonContent) {
+		ObjectMapper objectMapper = new ObjectMapper();
+		try {
+			return mapper.readValue(jsonContent, HashMap.class);
+		} catch (Exception exception) {
+			log.error(exception.getMessage());
+		}
+		return new HashMap<>();
+	}
+	
+	// Utility method to replace placeholders with their values, handling nulls
+	public static String replacePlaceholders(String text, Map<String, String> placeholders) {
+	    if (text == null) {
+	        return "";
+	    }
+	    for (Map.Entry<String, String> entry : placeholders.entrySet()) {
+	        text = replaceNull(text, entry.getKey(), entry.getValue());
+	    }
+	    return text;
+	}
+
+	// Method to safely replace nulls with an empty string or a default value
+	private static String replaceNull(String text, String target, String replacement) {
+	    return text.replace(target, replacement != null ? replacement : "");
+	}
+
 }

src/main/resources/application-dev.properties

@@ -8,3 +8,4 @@ spring.datasource.driver-class-name=org.postgresql.Driver
 spring.h2.console.enabled=true
 
 isVatCheckGloballyDisabled = false
+isMailSendingEnabled = true

src/main/resources/application-production.properties

@@ -14,3 +14,4 @@ fe.base.url=http://bandi.gepafin.it
 #SPID configuration
 spid.ipd.base.url=https://login.regione.umbria.it
 active.profile.folder=production
+isMailSendingEnabled = true

src/main/resources/application.properties

@@ -50,3 +50,15 @@ vatCheckNewToken: 66026bd891a51044e90e08c4
 spid.ipd.base.url=https://federatest.umbriadigitale.it
 active.profile.folder=dev
 
+# MailGun API Key
+mailGun_apiKey= 398e3dea1911fe941af261906ec99362-07e2c238-8094421f
+mailGun_user=comunicazione@paghiamoci.ai
+mailGun_domainName=paghiamoci.ai
+mailGun_base_url=https://api.eu.mailgun.net/
+# SendinBlue API key
+apiKey=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
+#senderEmail=mailer@bflows.net
+isMailSendingEnabled = false
+default_System_Receiver_Email=attivazione@bflows.net
+gepafin_email=bandi@pec.gepafin.it
+

src/main/resources/db/changelog/db.changelog-1.0.0.xml

@@ -973,4 +973,29 @@
         </addColumn>
     </changeSet>
     
+	<changeSet id="10-10-2024_1" author="Rajesh Khore">
+	    <createTable tableName="system_email_template">
+		    <column name="id" type="INTEGER" autoIncrement="true">
+                <constraints nullable="false" primaryKey="true"
+                             primaryKeyName="system_email_template_pkey" />
+            </column>
+	        <column name="TEMPLATE_NAME" type="VARCHAR(255)"/>
+	        <column name="TYPE" type="VARCHAR(255)"/>
+	        <column name="HTML_CONTENT" type="TEXT"/>
+	        <column name="SUBJECT" type="TEXT"/>
+	        <column name="JSON" type="TEXT"/>
+	        <column name="SYSTEM" type="BOOLEAN"/>
+	        <column name="IS_DELETED" type="BOOLEAN" defaultValueBoolean="true">
+	            <constraints nullable="false"/>
+	        </column>
+	        <column name="created_date" type="TIMESTAMP WITHOUT TIME ZONE"/>
+            <column name="updated_date" type="TIMESTAMP WITHOUT TIME ZONE"/>
+	    </createTable>
+	</changeSet>
+	
+	<changeSet id="10-10-2024_2" author="Rajesh Khore">
+		<sqlFile dbms="postgresql"
+	                 path="db/dump/insert_system_email_template_for_application_submission.sql" />
+    </changeSet>
+    
 </databaseChangeLog>

src/main/resources/db/dump/insert_system_email_template_for_application_submission.sql

@@ -0,0 +1,34 @@
+INSERT INTO gepafin_schema.system_email_template (id, template_name, "type", html_content, subject, "json", "system", is_deleted, created_date, updated_date) VALUES(1, 'Application submission template to beneficiary and company', 'APPLICATION_SUBMISSION_TO_USER_AND_COMPANY', '<html>
+<body style="font-family: Arial, sans-serif; color: #333; line-height: 1.6;">
+    <div style="padding: 20px; border: 1px solid #ddd; border-radius: 8px; max-width: 600px; margin: auto;">
+        <p>Buongiorno,</p>
+        <p>
+            Si comunica che, in riferimento alla domanda di concessione di
+            Finanziamento agevolato a valere sul Fondo prestiti 
+            <strong>{{call_name}}</strong> di cui all''oggetto, la stessa è stata
+            regolarmente acquisita ed è stata registrata con Protocollo n. 
+            <strong>{{protocol_number}}</strong> del <strong>{{date}}</strong> alle 
+            <strong>{{time}}</strong>.
+        </p>
+        <p>Distinti Saluti,</p>
+        <p>
+            <strong>Gepafin S.p.a.</strong>
+        </p>
+    </div>
+</body>
+</html>', 'BANDO {{call_name}} - Domanda di concessione di finanziamento agevolato {{company_name}}', NULL, true, false, '2024-10-10 16:10:31.035', '2024-10-11 10:09:23.037');
+INSERT INTO gepafin_schema.system_email_template (id, template_name, "type", html_content, subject, "json", "system", is_deleted, created_date, updated_date) VALUES(2, 'Application submission template to gepafin', 'APPLICATION_SUBMISSION_TO_GEPAFIN', '<html>
+<body style="font-family: Arial, sans-serif; color: #333; line-height: 1.6;">
+    <div style="padding: 20px; border: 1px solid #ddd; border-radius: 8px; max-width: 600px; margin: auto;">
+        <p>
+            In riferimento alla domanda di concessione di Finanziamento agevolato a valere sul Fondo prestiti
+            <strong>{{call_name}}</strong> di cui all’oggetto, la stessa è stata regolarmente acquisita ed è stata
+            registrata con Protocollo n. <strong>{{protocol_number}}</strong> del <strong>{{date}}</strong> e <strong>{{time}}</strong>.
+        </p>
+        <p>Distinti Saluti,</p>
+        <p>
+            <strong>Gepafin S.p.a.</strong>
+        </p>
+    </div>
+</body>
+</html>', 'BANDO {{call_name}} - Domanda di concessione di finanziamento agevolato {{company_name}}', NULL, true, false, '2024-10-10 16:10:31.035', '2024-10-11 10:09:57.224');