implemented listing of list members

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

@@ -5,8 +5,10 @@ import org.slf4j.LoggerFactory;
 
 import java.sql.SQLException;
 import java.util.ArrayList;
+import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.stream.Collectors;
 
 import static de.srsoftware.widerhall.Constants.*;
 import static de.srsoftware.widerhall.Constants.STATE;
@@ -59,6 +61,27 @@ public class ListMember {
         return list;
     }
 
+    public static Map<User,Integer> of(String listEmail) throws SQLException {
+        var rs = Database.open()
+                .query("SELECT * FROM "+TABLE_NAME)
+                .where(LIST_EMAIL,listEmail)
+                .exec();
+        var temp = new HashMap<String,Integer>();
+        while (rs.next()) temp.put(rs.getString(USER_EMAIL),rs.getInt(STATE));
+        var result = new HashMap<User,Integer>();
+        User.loadAll(temp.keySet())
+                .stream()
+                .forEach(user -> result.put(user,temp.get(user.email())));
+        return result;
+    }
+
+    public static String stateText(int state) {
+        var words = new ArrayList<String>();
+        if ((state & STATE_OWNER) > 0) words.add("owener");
+        if ((state & STATE_SUBSCRIBER) > 0) words.add("subscriber");
+        return String.join(", ",words);
+    }
+
     private ListMember save() throws SQLException {
         Database.open().insertInto(TABLE_NAME)
                 .values(Map.of(LIST_EMAIL,listEmail,

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

@@ -8,10 +8,7 @@ import java.security.InvalidKeyException;
 import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.time.LocalDate;
-import java.util.ArrayList;
+import java.util.*;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
 
 import static de.srsoftware.widerhall.data.Database.*;
 import static de.srsoftware.widerhall.Constants.*;
@@ -50,6 +47,22 @@ public class User {
         Database.open().query(sql.toString()).run();
     }
 
+    public static List<User> loadAll(Collection<String> emails) throws SQLException {
+        var rs = Database.open()
+                .query("SELECT * FROM "+TABLE_NAME)
+                .where(EMAIL,emails)
+                .exec();
+        var list = new ArrayList<User>();
+        while (rs.next()){
+            var email = rs.getString(EMAIL);
+            var name = rs.getString(NAME);
+            var salt = rs.getString(SALT);
+            var hashedPass = rs.getString(HASHED_PASS);
+            list.add(new User(email,name,salt,hashedPass));
+        }
+        return list;
+    }
+
     public String email() {
         return email;
     }

src/main/java/de/srsoftware/widerhall/web/Rest.java

@@ -12,9 +12,11 @@ import javax.servlet.http.HttpServlet;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 import java.io.IOException;
+import java.io.Serializable;
 import java.sql.SQLException;
 import java.util.List;
 import java.util.Map;
+import java.util.stream.Collectors;
 
 import static de.srsoftware.widerhall.Constants.*;
 import static de.srsoftware.widerhall.Util.t;
@@ -25,8 +27,10 @@ public class Rest extends HttpServlet {
     private static final String LIST_DISABLE = "list/disable";
     private static final String LIST_ENABLE = "list/enable";
     private static final String LIST_HIDE = "list/hide";
+    private static final String LIST_MEMBERS = "list/members";
     private static final String LIST_SHOW = "list/show";
     private static final String USER_LIST = "user/list";
+    private static final String MEMBERS = "members";
 
     @Override
     protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
@@ -98,6 +102,9 @@ public class Rest extends HttpServlet {
                 case LIST_HIDE:
                     json.putAll(hideList(listEmail,user,true));
                     break;
+                case LIST_MEMBERS:
+                    json.putAll(listMembers(listEmail,user));
+                    break;
                 case LIST_SHOW:
                     json.putAll(hideList(listEmail,user,false));
                     break;
@@ -117,6 +124,27 @@ public class Rest extends HttpServlet {
         }
     }
 
+    private Map<String, Object> listMembers(String listEmail, User user) {
+        if (user.is(ADMIN) || ListMember.listsOwnedBy(user).contains(listEmail)) {
+            try {
+                var members = ListMember.of(listEmail)
+                        .entrySet()
+                        .stream()
+                        .map(entry -> Map.of(
+                                EMAIL,entry.getKey().email(),
+                                NAME,entry.getKey().name(),
+                                STATE,ListMember.stateText(entry.getValue())
+                                ))
+                        .toList();
+                return Map.of(MEMBERS,members);
+            } catch (SQLException e) {
+                LOG.error("Failed to load member list: ",e);
+                return Map.of("error",t("Failed to load member list '{}'",listEmail));
+            }
+        }
+        return Map.of("error",t("You are not allowed to list members '{}'",listEmail));
+    }
+
     private Map enableList(String listEmail, User user, boolean enable) {
         if (user.is(ADMIN) || ListMember.listsOwnedBy(user).contains(listEmail)){
             try {
@@ -126,10 +154,8 @@ public class Rest extends HttpServlet {
                 LOG.error("Failed to enable/disable mailing list: ",e);
                 return Map.of("error",t("Failed to update list '{}'",listEmail));
             }
-
-        } else {
-            return Map.of("error",t("You are not allowed to edit '{}'",listEmail));
         }
+        return Map.of("error",t("You are not allowed to edit '{}'",listEmail));
     }
 
     private Map<String, String> hideList(String listEmail, User user, boolean hide) {

src/main/java/de/srsoftware/widerhall/web/Web.java

@@ -33,6 +33,7 @@ public class Web extends HttpServlet {
     private static final String REGISTER = "register";
     private static final String SUBSCRIBE = "subscribe";
     private static final String RELOAD = "reload";
+    private static final String INSPECT = "inspect";
     private static final String IMAP_HOST = "imap_host";
     private static final String IMAP_PORT = "imap_port";
     private static final String IMAP_USER = "imap_user";
@@ -144,7 +145,6 @@ public class Web extends HttpServlet {
         User user = o instanceof User ? (User) o : null;
         var data = new HashMap<String,Object>();
         if (user != null) data.put(USER,user.safeMap());
-
         var path = req.getPathInfo();
         path = (path == null || path.equals("/")) ? INDEX : path.substring(1);
         String notes = null;
@@ -183,6 +183,8 @@ public class Web extends HttpServlet {
         }
 
         if (user != null){
+            var list = req.getParameter(LIST);
+            if (list != null) data.put(LIST,req.getParameter(LIST));
             data.put(NOTES,notes);
             return loadTemplate(path,data,resp);
         }

static/templates/inspect.st

@@ -0,0 +1,16 @@
+<!DOCTYPE html>
+<html>
+    <head>
+        <meta charset="utf-8" />
+        <script src="jquery"></script>
+        <script src="js"></script>
+        <link rel="stylesheet" href="css" />
+    </head>
+    <body id="login">
+        «navigation()»
+        «userinfo()»
+        «messages()»
+        <h1>Widerhall '«data.list»' Details</h1>
+        «listmembers()»
+    </body>
+</html>

static/templates/js.st

@@ -22,6 +22,10 @@ function loadListList(){
     $.getJSON('/api/list/list', showListList);
 }
 
+function loadMembers(listEmail){
+    $.post('/api/list/members',{list:listEmail},showMembers,'json');
+}
+
 function loadUserList(){
     $.getJSON('/api/user/list', showUserList);
 }
@@ -34,10 +38,6 @@ function showList(listEmail){
     $.post('/api/list/show',{list:listEmail},showListResult,'json');
 }
 
-
-
-
-
 function showListAdminList(data){
     for (let i in data.lists){
         let list = data.lists[i];
@@ -108,6 +108,18 @@ function showListResult(result){
     alert("Api call did not return result");
 }
 
+function showMembers(data){
+    for (let i in data.members){
+        let member = data.members[i];
+        let row = $('<tr/>');
+        $('<td/>').text(member.name).appendTo(row);
+        $('<td/>').text(member.email).appendTo(row);
+        $('<td/>').text(member.state).appendTo(row);
+
+        row.appendTo('#memberlist');
+    }
+}
+
 function showUserList(data){
     for (let i in data.users){
         let user = data.users[i];

static/templates/listmembers.st

@@ -0,0 +1,13 @@
+<fieldset>
+    <legend>Members of «data.list»</legend>
+    <table id="memberlist">
+        <tr>
+            <th>Name</th>
+            <th>Email</th>
+            <th>State</th>
+        </tr>
+    </table>
+    <script type="text/javascript">
+        loadMembers('«data.list»');
+    </script>
+</fieldset>