Added TextChannel#getCachedHistory

modified the version

pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>de.joshicodes</groupId>
     <artifactId>rja</artifactId>
-    <version>1.0-alpha.9</version>
+    <version>1.0-alpha.9a</version>
 
     <description>
         Simple Java API for Revolt.

src/main/java/de/joshicodes/rja/event/message/MessageReceivedEvent.java

@@ -75,7 +75,7 @@ public MessageReceivedEvent handle(RJA rja, JsonObject object) {
         }
         rja.getChannelCache().stream().filter(c -> c.getId().equals(message.getChannelId())).findFirst().ifPresent(c -> {
             if(c instanceof TextChannel tc) {
-                TextChannel.updateLastMessageId(tc, message.getId());
+                tc.getCachedHistory().add(message.getId());
             }
         });
         return new MessageReceivedEvent(rja, author, message, textChannel);

src/main/java/de/joshicodes/rja/object/channel/TextChannel.java

@@ -6,6 +6,8 @@
 import de.joshicodes.rja.util.JsonUtil;
 
 import javax.annotation.Nullable;
+import java.util.ArrayList;
+import java.util.List;
 
 public abstract class TextChannel extends ServerChannel {
 
@@ -57,16 +59,14 @@ public String getId() {
                 return id;
             }
         };
-        tc.setLastMessageId(lastMessageId);
+        tc.cachedHistory = new ArrayList<>();
+        if(lastMessageId != null)
+            tc.cachedHistory.add(lastMessageId);
         return tc;
 
     }
 
-    private String lastMessageId;
-
-    public static void updateLastMessageId(TextChannel tc, String id) {
-        tc.setLastMessageId(id);
-    }
+    private List<String> cachedHistory;
 
     abstract public String getServerId();
     abstract public String getName();
@@ -76,7 +76,17 @@ public static void updateLastMessageId(TextChannel tc, String id) {
 
     @Nullable
     public String lastMessageId() {
-        return lastMessageId;
+        if(getCachedHistory().isEmpty()) {
+            return null;
+        }
+        if(getCachedHistory().size() > 1) {
+            return getCachedHistory().get(getCachedHistory().size() - 2);
+        }
+        return getCachedHistory().get(0);
+    }
+
+    public List<String> getCachedHistory() {
+        return cachedHistory;
     }
 
     abstract public boolean isNsfw();
@@ -99,8 +109,4 @@ public ChannelType getType() {
         return ChannelType.TEXT_CHANNEL;
     }
 
-    void setLastMessageId(String id) {
-        this.lastMessageId = id;
-    }
-
 }

src/main/java/de/joshicodes/rja/requests/rest/message/MessageSendRequest.java

@@ -20,7 +20,7 @@ public Message fetch(RJA rja, int responseCode, JsonElement data) {
         rja.cacheMessage(m);
         rja.getChannelCache().stream().filter(c -> c.getId().equals(m.getChannelId())).findFirst().ifPresent(c -> {
             if(c instanceof TextChannel tc) {
-                TextChannel.updateLastMessageId(tc, m.getId());
+                tc.getCachedHistory().add(m.getId());
             }
         });
         return m;