implement formatted post preview

src/application/controller/api/post/preview.php

@@ -0,0 +1,44 @@
+<?php
+
+$response = [
+  'success' => false,
+  'message' => _('Internal server error'),
+  'filter'  => '',
+  'format'  => '',
+];
+
+if (isset($_SESSION['userName'])) {
+
+  if (isset($_POST['message'])) {
+
+    $filter = Filter::post($_POST['message']);
+    $format = Format::post($filter);
+
+    $response = [
+      'success' => true,
+      'message' => _('Success'),
+      'filter'  => $filter,
+      'format'  => $format,
+    ];
+  } else {
+
+    $response = [
+      'success' => false,
+      'message' => _('Message required'),
+      'filter'  => '',
+      'format'  => '',
+    ];
+  }
+
+} else {
+
+  $response = [
+    'success' => false,
+    'message' => _('Session expired. Please, reload the page.'),
+    'filter'  => '',
+    'format'  => '',
+  ];
+}
+
+header('Content-Type: application/json; charset=utf-8');
+echo json_encode($response);

src/application/view/common/module/post.phtml

@@ -1,13 +1,18 @@
 <div class="modulePost" id="modulePost">
   <form action="/" method="POST" name="post">
     <div class="avatar">
-      <img src="" alt="" />
+      <img src="" alt="" id="modulePostAvatar" />
     </div>
     <div class="message">
-      <textarea name="post" placeholder="<?php echo _('Enter your post...') ?>"></textarea>
+      <textarea name="post" placeholder="<?php echo _('Enter your post...') ?>" id="modulePostMessage"></textarea>
+    </div>
+    <div class="preview" id="modulePostPreview">
+    <div class="title">
+      <i class="bi bi-chat-right-dots" title="<?php echo _('Preview') ?>"></i>
+    </div>
+    <div class="text"></div>
     </div>
     <div class="action">
-      <div class="button" onclick="ModulePost.add()"><?php echo _('Send') ?></div>
+      <div class="button" id="modulePostSend"><?php echo _('Send') ?></div>
     </div>
-  </form>
 </div>

src/bootstrap.php

@@ -101,6 +101,9 @@ if (isset($_GET['_route_'])) {
       case 'api/post/get':
         require(PROJECT_DIR . '/application/controller/api/post/get.php');
       break;
+      case 'api/post/preview':
+        require(PROJECT_DIR . '/application/controller/api/post/preview.php');
+      break;
       case 'api/follow/total':
         require(PROJECT_DIR . '/application/controller/api/follow/total.php');
       break;

src/public/css/template/default/module/post.css

@@ -51,6 +51,28 @@
   height: 90px;
 }
 
+.modulePost .preview {
+  color: #ccd3df;
+  font-size: 12px;
+  border-top: 1px #4d5666 solid;
+  display: none;
+}
+
+.modulePost .preview .title {
+  float: left;
+  padding: 16px;
+  width: 78px;
+  text-align: center;
+}
+
+.modulePost .preview .title i {
+  margin: 0 auto
+}
+
+.modulePost .preview .text {
+  padding: 16px 16px 16px 90px;
+}
+
 .modulePost .button {
   float: right;
   padding: 6px 16px;
@@ -65,9 +87,3 @@
 .modulePost .button:hover {
   background-color: #437baa
 }
-
-.modulePost .content {
-  background: rgb(89,99,116);
-  border-radius: 3px;
-  padding: 16px;
-}

src/public/js/home.js

@@ -2,7 +2,6 @@ $(document).ready(function() {
 
   // Init modules
   ModuleMenu.init('/');
-  ModulePost.init('#modulePost');
   ModuleFeed.load('#moduleFeed', true);
   //ModuleUsers.load('#moduleUsers', true);
 

src/system/helper/filter.php

@@ -2,25 +2,31 @@
 
 class Filter {
 
-  public static function userName(mixed $userName) {
+  public static function userName(mixed $string) {
 
-    return preg_replace('/[^a-zA-Z0-9_]+/u', '', $userName);
+    $string = preg_replace('/[^a-zA-Z0-9_]+/u', '', $string);
+
+    $string = mb_substr($string, 0, 16);
+
+    return $string;
   }
 
-  public static function userPrivateKey(mixed $userPrivateKey) {
+  public static function userPrivateKey(mixed $string) {
 
-    return preg_replace('/[^a-zA-Z0-9_]+/u', '', $userPrivateKey);
+    return preg_replace('/[^a-zA-Z0-9_]+/u', '', $string);
   }
 
-  public static function blockHash(mixed $blockHash) {
+  public static function blockHash(mixed $string) {
 
-    return preg_replace('/[^a-zA-Z0-9]+/u', '', $blockHash);
+    return preg_replace('/[^a-zA-Z0-9]+/u', '', $string);
   }
 
   public static function fullName(string $string) {
 
     $string = preg_replace('/[^\s\w]+/u', '', $string);
 
+    $string = mb_substr($string, 0, 200);
+
     return $string;
   }
 
@@ -28,6 +34,8 @@ class Filter {
 
     $string = preg_replace('/[^\s\w\.\,]+/u', '', $string);
 
+    $string = mb_substr($string, 0, 200);
+
     return $string;
   }
 
@@ -35,6 +43,8 @@ class Filter {
 
     $string = preg_replace('/[^\w\?\&\=\.\:\/]+/u', '', $string);
 
+    $string = mb_substr($string, 0, 200);
+
     return $string;
   }
 
@@ -42,6 +52,8 @@ class Filter {
 
     $string = preg_replace('/[^\w\-]+/u', '', $string);
 
+    $string = mb_substr($string, 0, 200);
+
     return $string;
   }
 
@@ -49,12 +61,25 @@ class Filter {
 
     $string = preg_replace('/[^\w]+/u', '', $string);
 
+    $string = mb_substr($string, 0, 200);
+
     return $string;
   }
 
   public static function bio(string $string) {
 
-    $string = preg_replace('/[^\s\w\.\,\:\;\@\#\-\_\~\*\/]+/u', '', $string);
+    $string = preg_replace('/[^\s\w\.\,\:\;\@\#\-\_\~\*\/\(\)\[\]]+/u', '', $string);
+
+    $string = mb_substr($string, 0, 500);
+
+    return $string;
+  }
+
+  public static function post(string $string) {
+
+    $string = preg_replace('/[^\s\w\.\,\:\;\@\#\-\_\~\*\/\(\)\[\]]+/u', '', $string);
+
+    $string = mb_substr($string, 0, 140);
 
     return $string;
   }

src/system/helper/format.php

@@ -45,8 +45,10 @@ class Format {
     }
   }
 
-  // Profile
-  public static function bio(string $string) {
+  public static function post(string $string) {
+
+    $string = html_entity_decode($string, ENT_QUOTES, 'UTF-8');
+    $string = htmlentities($string, ENT_QUOTES, 'UTF-8');
 
     $string = preg_replace("|([\s])\*([\S]+)\*([\s]?)|i", "$1<b>$2</b>$3", $string);
     $string = preg_replace("|([\s])\~([\S]+)\~([\s]?)|i", "$1<i>$2</i>$3", $string);