From e04371500a9dd469f02024f63ef39117f8a4d649 Mon Sep 17 00:00:00 2001
From: Vitaly Takmazov
Date: Tue, 2 Oct 2018 11:30:54 +0300
Subject: js cleanup

---
 juick-server/src/main/assets/scripts.js | 44 +++++++++++++++++++++++----------
 1 file changed, 31 insertions(+), 13 deletions(-)

(limited to 'juick-server')

diff --git a/juick-server/src/main/assets/scripts.js b/juick-server/src/main/assets/scripts.js
index af099674..8060bd71 100644
--- a/juick-server/src/main/assets/scripts.js
+++ b/juick-server/src/main/assets/scripts.js
@@ -175,7 +175,11 @@ function initWS() {
             }
         }
     };
-    setInterval(wsSendKeepAlive, 90000);
+    var keepAlive = setInterval(wsSendKeepAlive, 90000);
+    window.addEventListener('beforeunload', () => {
+        clearInterval(keepAlive);
+        ws.close();
+    })
 }
 
 function wsSendKeepAlive() {
@@ -277,7 +281,7 @@ function postformListener(formEl, ev) {
     if (ev.ctrlKey && (ev.keyCode == 10 || ev.keyCode == 13)) {
         let form = formEl.closest('form');
         if (!form.onsubmit || form.onsubmit()) {
-            form.dispatchEvent(new Event('submit'));
+            form.querySelector('input[type="submit"]').click();
         }
     }
 }
@@ -300,12 +304,19 @@ function newMessage(evt) {
     }
 }
 
+function handleErrors(response) {
+    if (!response.ok) {
+        throw Error(response.statusText);
+    }
+    return response;
+}
+
 function showCommentForm(mid, rid) {
     let reply = document.getElementById(rid);
     let formTarget = reply.querySelector('div.msg-cont .msg-comment-target');
     if (formTarget) {
         let formHtml = `
-            <form action="/comment" method="POST" enctype="multipart/form-data">
+            <form>
                 <input type="hidden" name="mid" value="${mid}">
                 <input type="hidden" name="rid" value="${rid}">
                 <div class="msg-comment">
@@ -342,13 +353,13 @@ function showCommentForm(mid, rid) {
                 return false;
             }
             submitButton.disabled = true;
-            e.preventDefault();
             let formData = new FormData(form);
             fetch('/api/comment' + '?hash=' + document.getElementById('body').getAttribute('data-hash'), {
                 method: 'POST',
                 body: formData,
                 credentials: 'omit'
-            }).then(response => {
+            }).then(handleErrors)
+              .then(response => {
                 if (response.ok) {
                     response.json().then(result => {
                         if (result.newMessage) {
@@ -362,6 +373,7 @@ function showCommentForm(mid, rid) {
             }).catch(error => {
                 alert(error.message);
             });
+            e.preventDefault();
         });
     }
     reply.querySelector('.msg-comment textarea').focus();
@@ -505,7 +517,8 @@ function openSocialWindow(a) {
 function checkUsername() {
     var uname = document.querySelector('#username').textContent,
         style = document.querySelector('#username').style;
-    fetch('//api.juick.com/users?uname=' + uname)
+    fetch('/api/users?uname=' + uname)
+        .then(handleErrors)
         .then(function () {
             style.background = '#FFCCCC';
         })
@@ -547,9 +560,9 @@ function likeMessage(e, mid) {
         fetch('/api/like?mid=' + mid
             + '&hash=' + document.getElementById('body').getAttribute('data-hash'), {
                 method: 'POST',
-                mode: 'cors',
                 credentials: 'omit'
             })
+            .then(handleErrors)
             .then(function (response) {
                 if (response.ok) {
                     e.closest('article').appendChild(resultMessage('OK!'));
@@ -566,9 +579,9 @@ function subscribeMessage(e, mid) {
     fetch('/api/subscribe?mid=' + mid
         + '&hash=' + document.getElementById('body').getAttribute('data-hash'), {
             method: 'POST',
-            mode: 'cors',
             credentials: 'omit'
         })
+        .then(handleErrors)
         .then(function (response) {
             if (response.ok) {
                 window.location.reload(true);
@@ -590,6 +603,7 @@ function setPopular(e, mid, popular) {
         + '&hash=' + document.getElementById('body').getAttribute('data-hash'), {
             credentials: 'same-origin'
         })
+        .then(handleErrors)
         .then(function () {
             e.closest('article').append(resultMessage('OK!'));
         });
@@ -601,6 +615,7 @@ function setPrivacy(e, mid) {
         + '&hash=' + document.getElementById('body').getAttribute('data-hash'), {
             credentials: 'same-origin'
         })
+        .then(handleErrors)
         .then(function () {
             e.closest('article').append(resultMessage('OK!'));
         });
@@ -609,8 +624,9 @@ function setPrivacy(e, mid) {
 
 function getTags() {
     fetch('/api/tags?hash=' + document.getElementById('body').getAttribute('data-hash'), {
-        credentials: 'same-origin'
+        credentials: 'omit'
     })
+        .then(handleErrors)
         .then(response => {
             return response.json();
         })
@@ -698,13 +714,13 @@ ready(function () {
             });
         });
         postmsg.addEventListener('submit', e => {
-            e.preventDefault();
             let formData = new FormData(postmsg);
             fetch('/api/post' + '?hash=' + document.getElementById('body').getAttribute('data-hash'), {
                 method: 'POST',
                 body: formData,
                 credentials: 'omit'
-            }).then(response => {
+            }).then(handleErrors)
+              .then(response => {
                 if (response.ok) {
                     response.json().then(result => {
                         if (result.newMessage) {
@@ -719,17 +735,18 @@ ready(function () {
             }).catch(error => {
                 alert(error.message);
             });
+            e.preventDefault();
         });
     }
     document.querySelectorAll('.pmmsg').forEach(pmmsg => {
         pmmsg.addEventListener('submit', e => {
-            e.preventDefault();
             let formData = new FormData(pmmsg);
             fetch('/api/pm' + '?hash=' + document.getElementById('body').getAttribute('data-hash'), {
                 method: 'POST',
                 body: formData,
                 credentials: 'omit'
-            }).then(response => {
+            }).then(handleErrors)
+              .then(response => {
                 if (response.ok) {
                     response.json().then(result => {
                         if (result.to) {
@@ -744,6 +761,7 @@ ready(function () {
             }).catch(error => {
                 alert(error.message);
             });
+            e.preventDefault();
         });
     });
 
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