1 files changed, 97 insertions, 0 deletions
diff --git a/src/main/java/de/pixart/messenger/entities/Edit.java b/src/main/java/de/pixart/messenger/entities/Edit.java
new file mode 100644
index 000000000..ab96949a0
--- /dev/null
+++ b/src/main/java/de/pixart/messenger/entities/Edit.java
@@ -0,0 +1,97 @@
+package de.pixart.messenger.entities;
+
+import org.json.JSONArray;
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class Edit {
+
+    private final String editedId;
+    private final String serverMsgId;
+
+    Edit(String editedId, String serverMsgId) {
+        this.editedId = editedId;
+        this.serverMsgId = serverMsgId;
+    }
+
+    static String toJson(List<Edit> edits) throws JSONException {
+        JSONArray jsonArray = new JSONArray();
+        for (Edit edit : edits) {
+            jsonArray.put(edit.toJson());
+        }
+        return jsonArray.toString();
+    }
+
+    static boolean wasPreviouslyEditedRemoteMsgId(List<Edit> edits, String remoteMsgId) {
+        for (Edit edit : edits) {
+            if (edit.editedId != null && edit.editedId.equals(remoteMsgId)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    static boolean wasPreviouslyEditedServerMsgId(List<Edit> edits, String serverMsgId) {
+        for (Edit edit : edits) {
+            if (edit.serverMsgId != null && edit.serverMsgId.equals(serverMsgId)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    private static Edit fromJson(JSONObject jsonObject) throws JSONException {
+        String edited = jsonObject.has("edited_id") ? jsonObject.getString("edited_id") : null;
+        String serverMsgId = jsonObject.has("server_msg_id") ? jsonObject.getString("server_msg_id") : null;
+        return new Edit(edited, serverMsgId);
+    }
+
+    static List<Edit> fromJson(String input) {
+        final ArrayList<Edit> list = new ArrayList<>();
+        if (input == null) {
+            return list;
+        }
+        try {
+            final JSONArray jsonArray = new JSONArray(input);
+            for (int i = 0; i < jsonArray.length(); ++i) {
+                list.add(fromJson(jsonArray.getJSONObject(i)));
+            }
+            return list;
+        } catch (JSONException e) {
+            return list;
+        }
+    }
+
+    private JSONObject toJson() throws JSONException {
+        JSONObject jsonObject = new JSONObject();
+        jsonObject.put("edited_id", editedId);
+        jsonObject.put("server_msg_id", serverMsgId);
+        return jsonObject;
+    }
+
+    String getEditedId() {
+        return editedId;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+
+        Edit edit = (Edit) o;
+
+        if (editedId != null ? !editedId.equals(edit.editedId) : edit.editedId != null)
+            return false;
+        return serverMsgId != null ? serverMsgId.equals(edit.serverMsgId) : edit.serverMsgId == null;
+    }
+
+    @Override
+    public int hashCode() {
+        int result = editedId != null ? editedId.hashCode() : 0;
+        result = 31 * result + (serverMsgId != null ? serverMsgId.hashCode() : 0);
+        return result;
+    }
+}
+\ No newline at end of file