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10
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1 'use strict';
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2
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18
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3 let title = document.title;
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10
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4 let currentChatId = null;
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12
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5 let eventSource;
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30
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6 let lastUpdate;
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31
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7 let hasUnseen = false;
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35
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8 let userId;
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10
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9
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16
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10 function evalEvent(event) {
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17
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11 // console.log(event);
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16
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12 eval(event.data);
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13 }
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14
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15
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15 function setUserEventSource(userId) {
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16 let userEventSource = new EventSource(`${location.origin}/user/${userId}`);
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16
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17 userEventSource.onmessage = evalEvent;
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15
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18 }
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19
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10
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20 function selectChat(div) {
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27
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21 document.querySelector('div[content]').setAttribute('show','posts');
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10
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22 let chatId = div.getAttribute('chat');
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23 if( chatId === currentChatId )
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24 return;
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25 let selected = div.parentNode.querySelector('[selected]');
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26 if( selected ) selected.removeAttribute('selected');
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27 div.setAttribute('selected','');
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28 ajax(`get_chat.js?chat=${chatId}`);
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29 currentChatId = chatId;
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34
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30 let email = div.querySelector('[email]').textContent;
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31 history.replaceState(null,null,`?with=${email}`);
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12
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32
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33 if(eventSource) eventSource.close();
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34 eventSource = new EventSource(`${location.origin}/chat/${chatId}`);
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16
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35 eventSource.onmessage = evalEvent;
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12
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36 }
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37
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27
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38 function back() {
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39 document.querySelector('div[content]').setAttribute('show','chats');
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40 }
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41
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12
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42 function gotChat(html) {
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43 document.querySelector('div[posts]').innerHTML = html;
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19
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44 fixPosts();
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12
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45 document.querySelector('div[input] textarea').focus();
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46 document.querySelector('div[input]').scrollIntoView({block: 'end'});
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10
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47 }
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48
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49 function fixTextarea(event) {
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50 let textarea = event.target;
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51 textarea.style.height = 'initial';
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52 textarea.style.height = (textarea.scrollHeight+2) + 'px';
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53 textarea.scrollIntoViewIfNeeded(false);
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54 }
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55
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56 const isMobile = 'ontouchstart' in window || navigator.maxTouchPoints > 0 || navigator.msMaxTouchPoints > 0;
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57
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58 function addPost() {
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59 let textarea = document.querySelector('div[input] textarea');
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60 let text = textarea.value;
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61 if( text.trim() === '' )
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62 return;
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24
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63 ajax(`add_post.js?chat=${currentChatId}`,`content=${encodeURIComponent(text)}`);
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64 textarea.value = '';
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65 }
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66
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67 function textareaKey(event) {
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68 if( event.keyCode===13 && !event.shiftKey && !event.ctrlKey && !isMobile ) {
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69 event.preventDefault();
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70 addPost();
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71 }
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72 }
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73
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19
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74 function fixPosts() {
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35
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75 let divs = document.querySelectorAll('div[post][fix]');
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19
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76 for( let div of divs ) {
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35
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77 let whenSpan = div.querySelector('span[when]');
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78 whenSpan.textContent = new Date(Number(whenSpan.textContent)).toLocaleString();
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79 let textDiv = div.querySelector('div[text]');
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80 textDiv.innerHTML = urlsToLinks(textDiv.innerHTML);
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81 if( div.getAttribute('author') === userId )
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82 div.querySelector('span[pulldown]').innerHTML = document.querySelector('div[hidden] span[pulldown]').innerHTML;
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83 div.removeAttribute('fix');
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84 }
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10
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85 }
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11
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86
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87 function deleteChat() {
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20
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88 let dialog = document.querySelector('dialog[delete_chat]');
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89 openModal(dialog);
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90 }
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91
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92 function doDeleteChat(el) {
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93 closeModal(el);
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94 ajax(`delete_chat.js?chat=${currentChatId}`);
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95 }
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12
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96
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23
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97 let currentPostId;
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98
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99 function deletePost(postId) {
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100 currentPostId = postId;
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101 let dialog = document.querySelector('dialog[delete_post]');
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102 openModal(dialog);
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103 }
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104
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105 function doDeletePost(el) {
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106 closeModal(el);
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107 ajax(`delete_post.js?post=${currentPostId}`);
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108 }
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109
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110 function deleted(postId) {
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111 let div = document.querySelector(`div[post="${postId}"]`);
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112 if( div )
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113 div.outerHTML = '';
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114 }
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115
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24
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116 function editPost(postId) {
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117 ajax(`edit_post.js?post=${postId}`);
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118 }
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119
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120 function openEditPost(postId,text) {
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121 currentPostId = postId;
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122 let dialog = document.querySelector('dialog[edit_post]');
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123 let textarea = dialog.querySelector('textarea');
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124 textarea.value = text;
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125 openModal(dialog);
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126 }
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127
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128 function savePost(el) {
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129 let text = document.querySelector('dialog[edit_post] textarea').value;
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130 closeModal(el);
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131 ajax(`save_post.js?post=${currentPostId}`,`content=${encodeURIComponent(text)}`);
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132 }
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133
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134 function edited(postId,html) {
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135 let div = document.querySelector(`div[post="${postId}"]`);
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136 if( div ) {
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137 div.outerHTML = html;
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138 fixPosts();
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139 }
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140 }
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141
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12
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142 function added(html) {
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143 let input = document.querySelector('div[input]');
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144 input.insertAdjacentHTML('beforebegin',html);
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145 fixPosts();
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12
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146 input.scrollIntoView({block: 'end'});
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147 }
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15
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148
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30
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149 function getChats(chatId,updated) {
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15
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150 let first = document.querySelector('div[chat]');
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151 if( !first || first.getAttribute('chat') != chatId ) {
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152 // console.log('getChats');
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153 ajax('get_chats.js');
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154 }
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30
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155 if( updated )
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156 lastUpdate = updated;
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31
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157 if( !document.hasFocus() && !hasUnseen ) {
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158 document.title = title + ' *';
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159 notify();
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160 hasUnseen = true;
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161 }
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15
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162 }
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163
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164 function gotChats(html) {
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165 document.querySelector('div[chats]').innerHTML = html;
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166 if( currentChatId ) {
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167 let current = document.querySelector(`div[chat="${currentChatId}"]`);
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16
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168 if( current ) {
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169 current.setAttribute('selected','');
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170 current.scrollIntoViewIfNeeded(false);
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171 } else {
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172 currentChatId = null;
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173 document.querySelector('div[posts]').innerHTML = '';
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174 }
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15
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175 }
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176 }
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18
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177
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178 window.onfocus = function() {
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33
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179 // console.log('onfocus');
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18
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180 document.title = title;
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31
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181 hasUnseen = false;
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18
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182 };
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19
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183
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184 let urlRegex = /(^|\s)(https?:\/\/\S+)/g;
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185
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186 function urlsToLinks(text) {
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187 return text.replace( urlRegex, '$1<a href="$2">$2</a>' );
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188 }
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22
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189
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190 let currentPulldown = null;
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191 let newPulldown = null;
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192
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193 function clickMenu(clicked,display) {
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194 //console.log("clickMenu");
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195 let pulldown = clicked.parentNode.querySelector('div');
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196 if( pulldown !== currentPulldown ) {
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197 pulldown.style.display = display || "block";
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198 newPulldown = pulldown;
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199 window.onclick = function() {
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200 //console.log("window.onclick");
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201 if( currentPulldown ) {
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202 currentPulldown.style.display = "none";
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203 if( !newPulldown )
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204 window.onclick = null;
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205 }
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206 currentPulldown = newPulldown;
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207 newPulldown = null;
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208 };
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209 pulldown.scrollIntoViewIfNeeded(false);
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210 }
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211 }
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30
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212
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213 setInterval(function(){
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33
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214 showOnline();
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30
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215 ajax(`heartbeat.js?last_update=${lastUpdate}`);
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216 }, 10000 );
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30
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217
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31
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218 let sound = new Audio('/images/notify.mp3');
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219 function notify() {
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220 sound.play();
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221 }
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222
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33
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223 let online = {};
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224
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225 function setOnline(userId) {
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226 online[userId] = Date.now();
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227 }
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228
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229 function showOnline() {
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230 let old = Date.now() - 20000;
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231 for( let id of Object.keys(online) ) {
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232 if( online[id] < old )
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233 delete online[id];
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234 }
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235 let a = [];
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236 for( let id in online ) {
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237 a.push( `span[online="${id}"]` );
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238 }
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239 let style = document.querySelector('style[online]');
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240 if( a.length === 0 ) {
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241 style.innerHTML = '';
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242 } else {
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243 style.innerHTML = `
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244 ${a.join(', ')} {
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245 background-color: green;
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246 }
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247 ` ;
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248 }
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249 }
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