started working on templates and api

src/main/java/de/srsoftware/widerhall/data/User.java

@@ -1,16 +1,23 @@
 package de.srsoftware.widerhall.data;
 
 import de.srsoftware.widerhall.Util;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
+import java.io.Serializable;
 import java.security.InvalidKeyException;
 import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.time.LocalDate;
+import java.util.ArrayList;
+import java.util.List;
 import java.util.Map;
 
+import static de.srsoftware.widerhall.Util.t;
 import static de.srsoftware.widerhall.data.Database.*;
 
 public class User {
+    private static final Logger LOG = LoggerFactory.getLogger(User.class);
     private static Database database = Database.open();
     private String email, salt, hashedPass, name;
 
@@ -51,7 +58,50 @@ public class User {
         throw new InvalidKeyException();
     }
 
-    private static boolean noUsers() throws SQLException {
+    public String email() {
+        return email;
+    }
+
+
+    public String hashedPassword() {
+        return hashedPass;
+    }
+
+    public boolean is(String test){
+        if (test == null) return false;
+        return test.equals(name) || test.equals(email);
+    }
+
+    public static List<User> list() {
+        var userList = new ArrayList<User>();
+        try {
+            var rs = database.query("SELECT * FROM Users").exec();
+            while (rs.next()){
+                var email = rs.getString(EMAIL);
+                var name = rs.getString(NAME);
+                var salt = rs.getString(SALT);
+                var hashedPassword = rs.getString(HASHED_PASS);
+                userList.add(new User(email,name,salt,hashedPassword));
+            }
+        } catch (SQLException e) {
+            LOG.warn("Error loading user list!",e);
+        }
+        return userList;
+    }
+
+    public Map<String,String> map() {
+        return Map.of(EMAIL,email,NAME,name);
+    }
+
+    private boolean matching(String password) {
+        return hashedPass.equals(Util.sha256(password+salt));
+    }
+
+    public String name() {
+        return name;
+    }
+
+    public static boolean noUsers() throws SQLException {
         var rs = database.query("SELECT count(*) FROM users").exec();
         try {
             if (rs.next()) {
@@ -63,10 +113,6 @@ public class User {
         return false;
     }
 
-    private boolean matching(String password) {
-        return hashedPass.equals(Util.sha256(password+salt));
-    }
-
     private User save() throws SQLException {
         database.insertInto("Users")
                 .values(Map.of(EMAIL,email,NAME,name,SALT,salt,HASHED_PASS,hashedPass))
@@ -74,7 +120,4 @@ public class User {
         return this;
     }
 
-    public Map<String,String> map() {
-        return Map.of(EMAIL,email,NAME,name);
-    }
 }