Load all chat users on startup

Load all parties on startup

api/src/main/java/com/alttd/chat/managers/ChatUserManager.java

@@ -5,6 +5,7 @@ import com.alttd.chat.objects.ChatUser;
 import com.alttd.chat.objects.Mail;
 
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.List;
 import java.util.UUID;
 import java.util.concurrent.CompletableFuture;
@@ -16,6 +17,7 @@ public final class ChatUserManager {
 
     public static void initialize() {
         chatUsers = new ArrayList<>();
+        loadUsers();
     }
 
     public static void addUser(ChatUser user) {
@@ -32,11 +34,7 @@ public final class ChatUserManager {
                 return user;
             }
         }
-        ChatUser user = Queries.loadChatUser(uuid);
-        if(user == null) user = new ChatUser(uuid, -1, false, false);
-        Queries.saveUser(user);
-        chatUsers.add(user);
-        return user;
+        return Queries.loadChatUser(uuid);
     }
 
     public List<Mail> getUnReadMail(ChatUser user) {
@@ -44,4 +42,12 @@ public final class ChatUserManager {
                 .filter(Mail::isUnRead)
                 .collect(Collectors.toList());
     }
+
+    public static void loadUsers() {
+        Queries.loadChatUsers();
+    }
+
+    protected static List<ChatUser> getChatUsers() {
+        return Collections.unmodifiableList(chatUsers);
+    }
 }

api/src/main/java/com/alttd/chat/managers/PartyManager.java

@@ -0,0 +1,47 @@
+package com.alttd.chat.managers;
+
+import com.alttd.chat.database.Queries;
+import com.alttd.chat.objects.ChatUser;
+import com.alttd.chat.objects.Party;
+
+import java.util.ArrayList;
+import java.util.UUID;
+
+public class PartyManager {
+
+    private static ArrayList<Party> parties;
+
+    public static void initialize() {
+        parties = new ArrayList<>();
+        loadParties();
+    }
+
+    public static void addParty(Party party) {
+        parties.add(party);
+    }
+
+    public static void removeParty(Party party) {
+        parties.remove(party);
+    }
+
+    public static Party getParty(int id) {
+        for(Party party : parties) {
+            if(id == party.getPartyId()) {
+                return party;
+            }
+        }
+        return null;
+    }
+
+    public static Party getParty(UUID uuid) {
+        return getParty(ChatUserManager.getChatUser(uuid).getPartyId());
+    }
+
+    public static void loadParties() {
+        Queries.loadParties();
+        for (ChatUser chatUser : ChatUserManager.getChatUsers()) {
+            Party party = getParty(chatUser.getPartyId());
+            if (party != null) party.addUser(chatUser);
+        }
+    }
+}