implemented

- assigning new customer numbers to contacts that don`t have one
- updating customer number counter in company table

Signed-off-by: Stephan Richter <s.richter@srsoftware.de>

core/src/main/java/de/srsoftware/umbrella/core/api/CompanyService.java

@@ -15,4 +15,6 @@ public interface CompanyService {
 	Map<Long,Company> listCompaniesOf(UmbrellaUser user) throws UmbrellaException;
 
 	boolean membership(long companyId, long userId) throws UmbrellaException;
+
+	void saveNewCustomer(long companyId, String id);
 }

core/src/main/java/de/srsoftware/umbrella/core/api/ContactService.java

@@ -8,4 +8,8 @@ import java.util.Map;
 
 public interface ContactService {
 	Map<Long, Contact> listContactsOf(UmbrellaUser user) throws UmbrellaException;
+
+	Contact load(long userId, long contactId);
+
+	Contact save(Contact contact);
 }

core/src/main/java/de/srsoftware/umbrella/core/model/Contact.java

@@ -3,6 +3,7 @@ package de.srsoftware.umbrella.core.model;
 
 import static de.srsoftware.umbrella.core.Constants.*;
 import static de.srsoftware.umbrella.core.exceptions.UmbrellaException.missingFieldException;
+import static java.text.MessageFormat.format;
 
 import de.srsoftware.tools.Mappable;
 import java.sql.ResultSet;
@@ -10,7 +11,21 @@ import java.sql.SQLException;
 import java.util.Map;
 import org.json.JSONObject;
 
-public record Contact(long id, String vcard) implements Mappable {
+public class Contact implements Mappable{
+	private final static String X_CUSTOMER_NUMBER = "X-CUSTOMER-NUMBER";
+
+	private long id;
+	private String vcard;
+
+	public Contact(long id, String vcard){
+		this.id    = id;
+		this.vcard = vcard;
+	}
+
+	public long id(){
+		return id;
+	}
+
 	public static Contact of(ResultSet rs) throws SQLException {
 		return new Contact(rs.getLong(ID),rs.getString(DATA));
 	}
@@ -21,8 +36,24 @@ public record Contact(long id, String vcard) implements Mappable {
 		return new Contact(id,vcard.replace(from, to));
 	}
 
+	public Contact setCustomerNumber(String customerNumber) {
+		if (vcard.contains(X_CUSTOMER_NUMBER)) {
+			var pattern = format("^{0}:.*",X_CUSTOMER_NUMBER);
+			var replacement = format("{0}:{1}",X_CUSTOMER_NUMBER,customerNumber);
+			vcard = vcard.replaceAll(pattern,replacement);
+		} else {
+			var index = vcard.lastIndexOf("\n");
+			vcard = format("{0}\r\n{1}:{2}{3}",vcard.substring(0,index),X_CUSTOMER_NUMBER,customerNumber,vcard.substring(index));
+		}
+		return this;
+	}
+
 	@Override
 	public Map<String, Object> toMap() {
 		return Map.of(ID,id,VCARD,vcard);
 	}
+
+	public String vcard(){
+		return vcard;
+	}
 }