#80 better view for student

#78 fix db communication
fix merge errors

gemeinsamforschen/src/main/java/unipotsdam/gf/modules/peer2peerfeedback/peerfeedback/Controller/PeerFeedbackController.java

@@ -15,7 +15,7 @@ public class PeerFeedbackController {
 
         // create a new id if we found no id.
         String uuid = UUID.randomUUID().toString();
-        // while (existsfeedbackId(uuid)) {            //Todo: existsfeedbackId
+        // while (existsfeedbackId(uuid)) {
         //     uuid = UUID.randomUUID().toString();
         //  }
 
@@ -23,49 +23,24 @@ public class PeerFeedbackController {
         MysqlConnect connection = new MysqlConnect();
         connection.connect();
 
+        MysqlConnect connection1 = new MysqlConnect();
+        connection1.connect();
+
         // build and execute request
         String request = "INSERT INTO peerfeedback (`id`, `reciever`, `sender`, `text`, `category`, `filename`) VALUES (?,?,?,?,?,?);";
         connection.issueInsertOrDeleteStatement(request, uuid, feedback.getFeedbackreceiver(), feedback.getFeedbacksender(), feedback.getText(), feedback.getFeedbackcategory(), feedback.getFilename());
 
+        String req = "UPDATE peerfeedback SET reciever =(SELECT token FROM users WHERE name=?) WHERE reciever=?";
+        connection1.issueUpdateStatement(req, feedback.getFeedbackreceiver(), feedback.getFeedbackreceiver());
         // close connection
         connection.close();
+        connection1.close();
 
         // return Response.ok().build();
         //return null;
 
     }
 
-    //@Override
-    public Peer2PeerFeedback getPeer2PeerFeedback(String id) {
-
-        // establish connection
-        MysqlConnect connection = new MysqlConnect();
-        connection.connect();
-
-        // build and execute request
-        String request = "SELECT * FROM peerfeedback WHERE id = ?;";
-        VereinfachtesResultSet rs = connection.issueSelectStatement(request, id);
-        System.out.print(rs);
-
-        if (rs.next()) {
-
-            Peer2PeerFeedback feedback = getPeerfeedbackFromResultSet(rs);
-
-            // close connection
-            connection.close();
-            System.out.print(feedback);
-
-            return feedback;
-       } else {
-
-            // close connection
-            connection.close();
-           System.out.print("null");
-           return null;
-       }
-
-    }
-
     public ArrayList<Peer2PeerFeedback> getAllFeedbacks(String reciever) {
 
         ArrayList<Peer2PeerFeedback> feedbacks = new ArrayList<>();
@@ -77,6 +52,7 @@ public class PeerFeedbackController {
         // build and execute request
         String request = "SELECT * FROM peerfeedback WHERE reciever= ?;";
         VereinfachtesResultSet rs = connection.issueSelectStatement(request, reciever);
+        System.out.print("rs:"+rs);
 
         while (rs.next()) {
             feedbacks.add(getPeerfeedbackFromResultSet(rs));
@@ -102,53 +78,90 @@ public class PeerFeedbackController {
         VereinfachtesResultSet rs = connection.issueSelectStatement(request);
 
         while (rs.next()) {
-            users.add(getUserFromResultSet(rs));
+            users.add(getUserFromResultSet(rs)+"+"+getTokenFromResultSet(rs));
         }
 
         // close connection
         connection.close();
-        System.out.print(users);
+        System.out.print("userscontroller:"+users);
         return users;
 
     }
 
-    public void getTokenforFeedback(String user) {
+    public boolean getTokenforFeedback(String user) {
+
+        System.out.print("getTokencontroller:"+user);
 
         // establish connection
         MysqlConnect connection = new MysqlConnect();
         connection.connect();
 
         // build and execute request
-        //String request = "SELECT * FROM users WHERE isStudent= 1";
-        //VereinfachtesResultSet rs = connection.issueSelectStatement(request);
+        /**String request = "UPDATE\n" +
+                "  peerfeedback\n" +
+                "SET\n" +
+                "  reciever = (\n" +
+                "    SELECT\n" +
+                "      token\n" +
+                "    FROM\n" +
+                "      users\n" +
+                "    WHERE\n" +
+                "      name = ?\n" +
+                "  ) WHERE reciever = ?";*/
+        String request = "UPDATE peerfeedback SET reciever =(SELECT token FROM users WHERE name=?) WHERE reciever=?";
+        //VereinfachtesResultSet rs = connection.issueSelectStatement(request, user); (SELECT token FROM users WHERE name=?)
+        //connection.issueInsertOrDeleteStatement(request, user);
+        connection.issueUpdateStatement(request, user, user);
+
+        // close connection
+        System.out.print("token");
+        connection.close();
+
+        return true;
+
+    }
+
+    public boolean checkFeedback(String checkFeedback) {
+
+        // establish connection
+        MysqlConnect connection = new MysqlConnect();
+        connection.connect();
+
         // build and execute request
-        String request = "INSERT INTO peerfeedback (, , reciever, , , , ) SELECT token FROM users WHERE isStudent= 1 AND name=?";
-        VereinfachtesResultSet rs = connection.issueSelectStatement(request, user);
+        String request = "SELECT * FROM peerfeedback WHERE sender = ?;";
+        VereinfachtesResultSet rs = connection.issueSelectStatement(request, checkFeedback);
+        System.out.print(rs);
+
+        if (rs!=null) {
+            System.out.print("true");
+            // close connection
+            connection.close();
 
+            return true;
 
-        /**while (rs.next()) {
-            token.add(getTokenFromResultSet(rs));
-        }*/
+        } else {
+            System.out.print("false");
+            // close connection
+            connection.close();
 
-        // close connection
-        connection.close();
-        System.out.print("token");
-        //return token;
+            return false;
+        }
 
     }
 
+
     private Peer2PeerFeedback getPeerfeedbackFromResultSet(VereinfachtesResultSet rs) {
 
         String id = rs.getString("id");
         long timestamp = rs.getTimestamp(2).getTime();
-        String reciever = rs.getString("reciever");
+        String category = rs.getString("category");
+        String rec = rs.getString("text");
         String sender = rs.getString("sender");
-        String text = rs.getString("text");
-        Object category = rs.getObject("category");
+        String txt = rs.getString("reciever");
         String filename = rs.getString("filename");
 
         //return new Peer2PeerFeedback("id", 1234, Category.TITEL, "reciever", "sender", "test", "filename");
-        return new Peer2PeerFeedback(id,timestamp,Category.TITEL,reciever, sender, text, filename);
+        return new Peer2PeerFeedback(id,timestamp,Category.valueOf(category),rec, sender, txt, filename);
     }
 
     private String getUserFromResultSet(VereinfachtesResultSet rs) {
@@ -162,4 +175,10 @@ public class PeerFeedbackController {
         String token = rs.getString("token");
         return new String(token);
     }
+
+    private String getCheckFromResultSet(VereinfachtesResultSet rs) {
+
+        String check = rs.getString("token");
+        return new String(check);
+    }
 }

gemeinsamforschen/src/main/java/unipotsdam/gf/modules/peer2peerfeedback/peerfeedback/View/PeerFeedbackView.java

@@ -20,9 +20,6 @@ public class PeerFeedbackView {
     public Response createPeerfeedback( @FormParam("id") String id, @FormParam("timestamp") Long timestamp, @FormParam("category") Category category,
                                         @FormParam("student") String sender, @FormParam("reciever") String reciever,  @FormParam("text") String text, @FormParam("filename") String filename) {
 
-        System.out.print("id="+id +"time="+timestamp +"cat="+category +
-                "sender="+sender +"reciever="+reciever +"text="+text +"fn"+filename);
-
         //Peer2PeerFeedback feedback = new Peer2PeerFeedback(id, timestamp, Category.TITEL, sender, text, reciever, filename);
         Peer2PeerFeedback f = new Peer2PeerFeedback();
         f.setID(id);
@@ -50,7 +47,7 @@ public class PeerFeedbackView {
 
         PeerFeedbackController controller = new PeerFeedbackController();
         ArrayList<Peer2PeerFeedback> fd = controller.getAllFeedbacks(sender);
-        System.out.print(fd);
+        System.out.print("getallfd:"+fd);
         return Response.ok(fd).build();
     }
 
@@ -61,20 +58,34 @@ public class PeerFeedbackView {
 
         PeerFeedbackController controller = new PeerFeedbackController();
         ArrayList<String> users = controller.getUserforFeedback();
-        System.out.print(users);
+        System.out.print("usersview:"+users);
         return Response.ok(users).build();
     }
 
-    @POST
-    //@Produces(MediaType.APPLICATION_JSON)
-    @Path("{getToken}")
+    @GET
+    @Produces(MediaType.APPLICATION_JSON)
+    @Path("/checkFeedback/{checkFeedback}")
+    public Response checkFeedback(@PathParam("checkFeedback") String checkFeedback){
+
+        System.out.print("sendcf:"+checkFeedback);
+        PeerFeedbackController controller = new PeerFeedbackController();
+        Boolean check = controller.checkFeedback(checkFeedback);
+        System.out.print("checkcf:"+check);
+        return Response.ok(check).build();
+    }
+
+    @GET
+    @Produces(MediaType.APPLICATION_JSON)
+    @Path("/getToken/{getToken}")
     public Response getToken(@PathParam("getToken") String user){
 
+        System.out.print("getToken:"+user);
         PeerFeedbackController controller = new PeerFeedbackController();
-        controller.getTokenforFeedback(user);
-        System.out.print(user);
-        return Response.ok().build();
+        Boolean checktoken = controller.getTokenforFeedback(user);
+        System.out.print("getToken:"+checktoken);
+        return Response.ok(checktoken).build();
     }
 
 
+
 }

gemeinsamforschen/src/main/webapp/core/overview-student.js

@@ -8,4 +8,7 @@ $(document).ready(function(){
     $('#enrollProject').on('click', function(){
         location.href="enrollProject.jsp?token="+getUserTokenFromUrl();
     });
+    $('.viewfeedback').click(function () {
+        location.href="viewfeedback.jsp?token="+getUserTokenFromUrl();
+    });
 });
\ No newline at end of file

gemeinsamforschen/src/main/webapp/feedback/css/viewfeedback.css

@@ -52,3 +52,138 @@
     width: 100%;
 }
 
+.container{max-width:1170px; margin:auto;}
+img{ max-width:100%;}
+.inbox_people {
+    background: #f8f8f8 none repeat scroll 0 0;
+    float: left;
+    overflow: hidden;
+    width: 40%; border-right:1px solid #c4c4c4;
+}
+.inbox_msg {
+    border: 1px solid #c4c4c4;
+    clear: both;
+    overflow: hidden;
+}
+.top_spac{ margin: 20px 0 0;}
+
+
+.recent_heading {float: left; width:40%;}
+.srch_bar {
+    display: inline-block;
+    text-align: right;
+    width: 60%;
+}
+.headind_srch{ padding:10px 29px 10px 20px; overflow:hidden; border-bottom:1px solid #c4c4c4;}
+
+.recent_heading h4 {
+    color: #05728f;
+    font-size: 21px;
+    margin: auto;
+}
+.srch_bar input{ border:1px solid #cdcdcd; border-width:0 0 1px 0; width:80%; padding:2px 0 4px 6px; background:none;}
+.srch_bar .input-group-addon button {
+    background: rgba(0, 0, 0, 0) none repeat scroll 0 0;
+    border: medium none;
+    padding: 0;
+    color: #707070;
+    font-size: 18px;
+}
+.srch_bar .input-group-addon { margin: 0 0 0 -27px;}
+
+.chat_ib h5{ font-size:15px; color:#464646; margin:0 0 8px 0;}
+.chat_ib h5 span{ font-size:13px; float:right;}
+.chat_ib p{ font-size:14px; color:#989898; margin:auto}
+.chat_img {
+    float: left;
+    width: 11%;
+}
+.chat_ib {
+    float: left;
+    padding: 0 0 0 15px;
+    width: 88%;
+}
+
+.chat_people{ overflow:hidden; clear:both;}
+.chat_list {
+    border-bottom: 1px solid #c4c4c4;
+    margin: 0;
+    padding: 18px 16px 10px;
+}
+.inbox_chat { height: 550px; overflow-y: scroll;}
+
+.active_chat{ background:#ebebeb;}
+
+.incoming_msg_img {
+    display: inline-block;
+    width: 6%;
+}
+.received_msg {
+    display: inline-block;
+    padding: 0 0 0 10px;
+    vertical-align: top;
+    width: 92%;
+}
+.received_withd_msg p {
+    background: #ebebeb none repeat scroll 0 0;
+    border-radius: 3px;
+    color: #646464;
+    font-size: 14px;
+    margin: 0;
+    padding: 5px 10px 5px 12px;
+    width: 100%;
+}
+.time_date {
+    color: #747474;
+    display: block;
+    font-size: 12px;
+    margin: 8px 0 0;
+}
+.received_withd_msg { width: 57%;}
+.mesgs {
+    float: left;
+    padding: 30px 15px 0 25px;
+    width: 60%;
+}
+
+.sent_msg p {
+    background: #05728f none repeat scroll 0 0;
+    border-radius: 3px;
+    font-size: 14px;
+    margin: 0; color:#fff;
+    padding: 5px 10px 5px 12px;
+    width:100%;
+}
+.outgoing_msg{ overflow:hidden; margin:26px 0 26px;}
+.sent_msg {
+    float: right;
+    width: 46%;
+}
+.input_msg_write input {
+    background: rgba(0, 0, 0, 0) none repeat scroll 0 0;
+    border: medium none;
+    color: #4c4c4c;
+    font-size: 15px;
+    min-height: 48px;
+    width: 100%;
+}
+
+.type_msg {border-top: 1px solid #c4c4c4;position: relative;}
+.msg_send_btn {
+    background: #05728f none repeat scroll 0 0;
+    border: medium none;
+    border-radius: 50%;
+    color: #fff;
+    cursor: pointer;
+    font-size: 17px;
+    height: 33px;
+    position: absolute;
+    right: 0;
+    top: 11px;
+    width: 33px;
+}
+.messaging { padding: 0 0 50px 0;}
+.msg_history {
+    height: 516px;
+    overflow-y: auto;
+}
\ No newline at end of file

gemeinsamforschen/src/main/webapp/feedback/js/givepeerfeedback.js

@@ -30,6 +30,10 @@ $(document).ready(function() {
     $('#project').val(project);
     $('#name').val(name);
 
+    $('.viewfeedback').click(function () {
+        location.href="viewfeedback.jsp?token="+getUserTokenFromUrl();
+    });
+
     new InscrybMDE({
         element: document.getElementById("editor"),
         spellChecker: false,
@@ -41,38 +45,50 @@ $(document).ready(function() {
     var cln_user = user.cloneNode(true);
     document.getElementById("journalform").appendChild(cln_user);
 
+    var getToken = document.getElementById("user").textContent;
+    //var checkFeedback = document.getElementById("user").textContent;
+
+    //var i = document.getElementById("defaultCheck1").onclick.valueOf();
+    //console.log("i:"+i);
+
     console.log(student);
-    console.log(user);
+    console.log(getToken);
+
+    var checkFeedback = student;
+    console.log(checkFeedback);
 
     $.ajax({
-        url: "../rest/peerfeedback/save" //+ student
+        url: "../rest/peerfeedback/save", //+ student
     }).then(function (data) {
         $('#editor').append(data.descriptionMD);
 
-       /** //TODO preselet in select tags
-        new InscrybMDE({
-            element: document.getElementById("editor"),
-            spellChecker: false,
-            forceSync: true,
-        });*/
+        console.log("save:"+data);
 
-        console.log(data);
-       //location.href="give-feedback.jsp?token=" + getUserTokenFromUrl();
-       //alert("Feedback wurde gesendet!");
     });
 
+    /**$.ajax({
+        url: "../rest/peerfeedback/getToken/" +getToken,
+    }).then(function (data) {
+        console.log("getToken-js:"+data);
+    });*/
+
     $.ajax({
         url: "../rest/peerfeedback/getUsers" //+ student
     }).then(function (data) {
-        console.log(data);
+        console.log("getUsers:"+data);
         loadUsers(data);
     });
 
+    /**$.ajax({
+        url: "../rest/peerfeedback/getToken/" +getToken
+    }).then(function (data) {
+        console.log("getToken:"+data);
+    });*/
+
     $.ajax({
-        url: "../rest/peerfeedback/getToken" + user //+ student
+        url: "../rest/peerfeedback/checkFeedback/" +checkFeedback
     }).then(function (data) {
-        console.log(data);
-        //loadUsers(data);
+        console.log("checkFeedback:"+data);
     });
 
     function loadUsers(data) {
@@ -90,4 +106,16 @@ $(document).ready(function() {
         }
 
     }
+
+    function getUsername(name) {
+        let query = data;
+        let vars = query.split("+");
+        for (let i = 0; i < vars.length; i++) {
+            let pair = vars[i].split("=");
+            if (pair[0] === name) {
+                return pair[1];
+            }
+        }
+        return (false);
+    }
 })
\ No newline at end of file

gemeinsamforschen/src/main/webapp/feedback/js/viewpeerfeedback.js

@@ -3,17 +3,17 @@ var student = getQueryVariable("token");
 var project = getQueryVariable("projectId");
 var name = getQueryVariable("user");
 
-console.log(name);
+
 
 $(document).ready(function(){
     $('#student').val(student);
     $('#project').val(project);
     //$('#name').val(name);
 
-    var user = document.getElementById("user");
+    /**var user = document.getElementById("user");
     user.setAttribute("name", document.getElementById("user").textContent);
     var cln_user = user.cloneNode(true);
-    document.getElementById("filter-feedbacks").appendChild(cln_user);
+    document.getElementById("filter-feedbacks").appendChild(cln_user);*/
 
 
     console.log(student);
@@ -29,7 +29,7 @@ $(document).ready(function(){
 
         }).then(function (data) {
             //$('#editor').append(data.descriptionMD);
-
+            console.log(data);
             loadFeedback(data);
             console.log("function1");
 
@@ -38,42 +38,109 @@ $(document).ready(function(){
 
             console.log(data);
         });
+
+    $.ajax({
+        url: "../rest/peerfeedback/getUsers" //+ student
+    }).then(function (data) {
+        console.log("getUsers:"+data);
+        //loadUsers(data);
+    });
    // }
     function loadFeedback(data) {
         for (var feedback in data) {
 
             var newdiv = document.createElement("div");
-            newdiv.className = "feedback-container";
+            newdiv.className = "incoming_msg";
+            var newdiv4 = document.createElement("div");
+            newdiv4.className = "chat_img";
+            var newdiv5 = document.createElement("img");
+            newdiv5.src = "https://ptetutorials.com/images/user-profile.png";
+            newdiv4.appendChild(newdiv5);
+
+            var newdiv2 = document.createElement("div");
+            newdiv2.className = "received_msg";
+            var newdiv3 = document.createElement("div");
+            newdiv3.className = "received_withd_msg";
             var newp = document.createElement("p");
-            newp.insertAdjacentHTML('beforeend',data[feedback].text)
-            newdiv.appendChild(newp);
+            //newp.className = "received_withd_msg";
+            newp.insertAdjacentHTML('beforeend', data[feedback].text)
+            var newspan = document.createElement("span");
+            newspan.insertAdjacentHTML('beforeend',timestampToDateString(data[feedback].timestamp));
+
+            newdiv.insertBefore(newdiv4, newdiv.childNodes[0]);
+            newdiv.appendChild(newdiv2);
+            newdiv2.appendChild(newdiv3);
+            newdiv3.appendChild(newp);
+            //newdiv.appendChild(newdiv4);
+
+            newp.appendChild(newspan);
 
             //newdiv.insertAdjacentHTML('beforeend',data[feedback].text);
             //newdiv.className = "feedback-container";
 
 
             // füge das neu erstellte Element und seinen Inhalt ins DOM ein
-            var currentdiv = document.getElementById("div1");
+            var currentdiv = document.getElementById("msg_history");
             currentdiv.appendChild(newdiv);
-
-        }};
+        }
+    }
 
         function loadFeedbackSender(data) {
 
             for (var feedback in data) {
-            var newdiv = document.createElement("div");
-
-            newdiv.insertAdjacentHTML('beforeend',data[feedback].feedbacksender);
-            newdiv.className = "feedback-container";
-
-            var currentdiv = document.getElementById("senderlist");
-            currentdiv.appendChild(newdiv);
+                var newdiv = document.createElement("div");
+                newdiv.className = "chat_list";
+                var newdiv2 = document.createElement("div");
+                newdiv2.className = "chat_people";
+                var newdiv4 = document.createElement("div");
+                newdiv4.className = "chat_img";
+                var newdiv5 = document.createElement("img");
+                newdiv5.src = "https://ptetutorials.com/images/user-profile.png";
+                newdiv4.appendChild(newdiv5);
+                var newdiv3 = document.createElement("div");
+                newdiv3.className = "chat_ib";
+                var newh = document.createElement("h5");
+                newh.insertAdjacentHTML('beforeend', data[feedback].feedbacksender)
+                var newspan = document.createElement("span");
+                newspan.className = "chat_date";
+                newspan.insertAdjacentHTML('beforeend',timestampToDateString(data[feedback].timestamp));
+
+                newdiv.insertBefore(newdiv4, newdiv.childNodes[0]);
+                newdiv.appendChild(newdiv2);
+                newdiv2.appendChild(newdiv3);
+                newdiv3.appendChild(newh);
+
+                newh.appendChild(newspan);
+
+                var currentdiv = document.getElementById("inbox_chat");
+                currentdiv.appendChild(newdiv);
+
+                var username = getUsername(data);
+                console.log("username:"+username);
+
+            }
+        }
 
+    function getUsername(data) {
+        console.log("getusername:"+data);
+        var query = data.split(",");
+        //var vars = query.split(",");
+        console.log(query);
+        for (let i = 0; i < query.length; i++) {
+            let pair = query[i].split("+");
+            console.log(pair[i]);
+            if (pair[0] === data) {
+                return pair[1];
+            }
         }
+        return (false);
+    }
 
         //timestampToDateString(data[feedback].timestamp)
     function timestampToDateString(timestamp) {
         var date = new Date(timestamp);
         return date.toLocaleString("de-DE");
-    }};
+    }
+
+
 })
\ No newline at end of file

gemeinsamforschen/src/main/webapp/give-feedback.jsp

@@ -25,12 +25,10 @@
                 <tr>
                     <h2> Gib dein Feedback ein!</h2>
                     <div class="line-spacer"></div>
-                    <p><span> Datei zum Feedback: SelectedFile.pdf </span></p>
-                    <p class="text-primary"><span> Kategorie: Untersuchungskonzept </span></p>
                     <hr />
                     <div class="form-check">
                         <input class="form-check-input" type="checkbox" value="" id="defaultCheck1">
-                        <label class="form-check-label" for="defaultCheck1">
+                        <label class="form-check-label" for="defaultCheck1" id="Check1">
                             Das fand ich gut
                         </label>
                     </div>

gemeinsamforschen/src/main/webapp/journal/create-journal.jsp

@@ -8,9 +8,9 @@
 
     <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/inscrybmde@1.11.3/dist/inscrybmde.min.css">
     <script src="https://cdn.jsdelivr.net/npm/inscrybmde@1.11.3/dist/inscrybmde.min.js"></script>
-    <link rel="stylesheet" type="text/css" href="css/create-journal.css">
+    <link rel="stylesheet" type="text/css" href="journal/css/create-journal.css">
     <omniDependencies:omniDependencies hierarchy="1"/>
-    <script src="js/create-journal.js"></script>
+    <script src="journal/js/create-journal.js"></script>
 </head>
 
 <body>

gemeinsamforschen/src/main/webapp/view-feedback.jsp

@@ -17,12 +17,11 @@
     <menu:menu hierarchy="1"/>
     <div class="page-content-wrapper">
         <headLine:headLine/>
-        <div>
+       <%-- <div>
             <div>Feedback Nachrichten</div>
             <table>
                 <tr>
                         <hr>
-
                         <td  id="filter-feedbacks" class="feedback-table">
 
                             <input type="hidden" name="peerfeedbackID" id="peerfeedbackID-input" value=""/>
@@ -41,26 +40,16 @@
                                     <span class="time-right">11:00</span>
                                 </div>
                                 </div>
-
-
                         </td>
-
-
                         <td id="view-feedbacks" class="feedback-table">
-
                             <div style="overflow: auto">
-
                             <div class="feedback-container">
                                 <p>Hello. How are you today?</p>
                                 <span class="time-right">11:00</span>
                             </div>
-
                             <div id="div1"></div>
-
                             </div>
                         </td>
-
-
                 </tr>
             </table>
             <hr>
@@ -71,7 +60,33 @@
                     window.history.back();
                 }
             </script>
-        </div>
+        </div>--%>
+        <div class="container">
+            <h3 class=" text-center">Feedback Nachrichten</h3>
+            <div class="messaging">
+                <div class="inbox_msg">
+                    <div class="inbox_people">
+                        <div class="headind_srch">
+                            <div class="recent_heading">
+                                <h4>Übersicht</h4>
+                            </div>
+                        </div>
+                        <div class="inbox_chat" id="inbox_chat">
+                        </div>
+                    </div>
+                    <div class="mesgs">
+                        <div class="msg_history" id="msg_history">
+                        </div>
+                    </div>
+                </div>
+            </div></div>
+        <button class="btn btn-secondary" onclick="goBack()">Zur&uuml;ck</button>
+
+        <script>
+            function goBack() {
+                window.history.back();
+            }
+        </script>
     </div>
 </div>
 </body>

gemeinsamforschen/src/scripts/dbschema/updatepeerfeedback.sql

+UPDATE
+  peerfeedback
+SET
+  reciever = (
+    SELECT
+      token
+    FROM
+      users
+    WHERE
+      name = "kathi"
+  ) WHERE reciever = "kathi"
\ No newline at end of file