diff --git a/src/main/java/de/anxietyprime/swajodel/JodelPost.java b/src/main/java/de/anxietyprime/swajodel/JodelPost.java
index 75ad871..97c7986 100644
--- a/src/main/java/de/anxietyprime/swajodel/JodelPost.java
+++ b/src/main/java/de/anxietyprime/swajodel/JodelPost.java
@@ -88,6 +88,7 @@ public class JodelPost {
         this.content = rs.getString("content");
         this.date = rs.getTimestamp("postdate");
         this.location = new Location(rs.getFloat("longitude"), rs.getFloat("latitude"));
+        this.reaction = Optional.of(rs.getBoolean("reaction"));
         this.reactions = new Reactions(rs.getLong("positive"), rs.getLong("negative"));
         this.parent = Optional.of(rs.getLong("parent"));
     }
@@ -102,10 +103,8 @@ public class JodelPost {
 		     @JsonProperty("content") String content,
 		     @JsonProperty("date") Timestamp date,
 		     @JsonProperty("location") Location location,
-             @JsonProperty("parent") Optional<Long> parent,
-             // TODO: getter from Keycloak
-             @JsonProperty("authorID") long author) {
-	this.authorID = author; // TODO: getter from Keycloak
+             @JsonProperty("parent") Optional<Long> parent) {
+	this.authorID = User.getUserID(); // TODO: getter from Keycloak
 	this.title = title;
 	this.content = content;
 	this.date = date;
diff --git a/src/main/java/de/anxietyprime/swajodel/Routes.java b/src/main/java/de/anxietyprime/swajodel/Routes.java
index bcf7bb8..4117b6e 100644
--- a/src/main/java/de/anxietyprime/swajodel/Routes.java
+++ b/src/main/java/de/anxietyprime/swajodel/Routes.java
@@ -75,10 +75,11 @@ public class Routes {
                           (SELECT * FROM comments inner join posts ON comments.child = posts.id) com
                               inner join targets ON targets.id = com.parent
                     )
-                    SELECT * FROM targets;""");
+                    SELECT targets.*, reactions.positive AS reaction FROM targets, reactions WHERE targets.id = reactions.post AND reactions.userid = (?);""");
 
             stmt.setObject(1, longitude);
             stmt.setObject(2, latitude);
+            stmt.setObject(3, User.getUserID());
 
             // query recursively for posts inside a 10km radius
             ResultSet rs = stmt.executeQuery();
@@ -179,9 +180,10 @@ public class Routes {
                           (SELECT * FROM comments inner join posts ON comments.child = posts.id) com
                               inner join targets ON targets.id = com.parent
                     )
-                    SELECT * FROM targets;""");
+                    SELECT targets.*, reactions.positive AS reaction FROM targets, reactions WHERE targets.id = reactions.post AND reactions.userid = (?);""");
 
             stmt.setObject(1, id);
+            stmt.setObject(2, User.getUserID());
 
             // query recursively for posts inside a 10km radius
             ResultSet rs = stmt.executeQuery();
@@ -320,9 +322,10 @@ public class Routes {
             c.setAutoCommit(false);
 
             // create a new statement
-            stmt = c.prepareStatement("UPDATE Posts SET deleted = now() WHERE id = ? AND deleted IS NULL");
+            stmt = c.prepareStatement("UPDATE Posts SET deleted = now() WHERE id = ? AND author = (?) AND deleted IS NULL");
 
             stmt.setObject(1, id);
+            stmt.setObject(2, User.getUserID());
 
             // insert delete time
             stmt.execute();