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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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73
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6 let lastUpdate = Date.now();
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35
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7 let userId;
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63
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8 let filebinUrl;
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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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59
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20 function selectChat(chatId) {
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48
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21 document.querySelector('div[chat_content]').setAttribute('show','posts');
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10
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22 if( chatId === currentChatId )
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23 return;
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59
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24 let div = document.querySelector(`div[chat="${chatId}"]`);
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10
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25 let selected = div.parentNode.querySelector('[selected]');
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26 if( selected ) selected.removeAttribute('selected');
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27 div.setAttribute('selected','');
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28 ajax(`get_chat.js?chat=${chatId}`);
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29 currentChatId = chatId;
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59
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30 history.replaceState(null,null,`?chat=${chatId}`);
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53
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31 clearUnread();
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12
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32
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33 if(eventSource) eventSource.close();
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34 eventSource = new EventSource(`${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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48
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39 document.querySelector('div[chat_content]').setAttribute('show','chats');
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27
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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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77 let whenSpan = div.querySelector('span[when]');
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39
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78 whenSpan.textContent = new Date(Number(whenSpan.textContent)).toLocaleString([],{dateStyle:'short',timeStyle:'short'});
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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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19
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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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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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11
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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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38
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99 function getPostId(el) {
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100 while(true) {
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101 let postId = el.getAttribute('post');
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102 if( postId )
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103 return postId;
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104 el = el.parentNode;
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105 }
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106 }
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107
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108 function deletePost(el) {
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109 currentPostId = getPostId(el);
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23
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110 let dialog = document.querySelector('dialog[delete_post]');
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111 openModal(dialog);
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112 }
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113
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114 function doDeletePost(el) {
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115 closeModal(el);
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116 ajax(`delete_post.js?post=${currentPostId}`);
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117 }
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118
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119 function deleted(postId) {
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120 let div = document.querySelector(`div[post="${postId}"]`);
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121 if( div )
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122 div.outerHTML = '';
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123 }
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124
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38
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125 function editPost(el) {
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126 ajax(`edit_post.js?post=${getPostId(el)}`);
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24
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127 }
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128
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129 function openEditPost(postId,text) {
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130 currentPostId = postId;
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131 let dialog = document.querySelector('dialog[edit_post]');
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132 let textarea = dialog.querySelector('textarea');
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133 textarea.value = text;
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134 openModal(dialog);
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135 }
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136
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137 function savePost(el) {
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138 let text = document.querySelector('dialog[edit_post] textarea').value;
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139 closeModal(el);
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140 ajax(`save_post.js?post=${currentPostId}`,`content=${encodeURIComponent(text)}`);
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141 }
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142
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143 function edited(postId,html) {
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144 let div = document.querySelector(`div[post="${postId}"]`);
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145 if( div ) {
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146 div.outerHTML = html;
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147 fixPosts();
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148 }
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149 }
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150
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12
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151 function added(html) {
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152 let input = document.querySelector('div[input]');
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153 input.insertAdjacentHTML('beforebegin',html);
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19
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154 fixPosts();
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155 input.scrollIntoView({block: 'end'});
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54
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156 ajax(`added.js?chat=${currentChatId}`);
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40
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157 if( document.hasFocus() )
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158 ajax('active.js');
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12
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159 }
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15
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160
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30
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161 function getChats(chatId,updated) {
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162 let first = document.querySelector('div[chat]');
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53
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163 if( !first || first.getAttribute('chat') !== chatId ) {
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15
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164 // console.log('getChats');
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165 ajax('get_chats.js');
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53
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166 } else if( first && currentChatId !== chatId ) {
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167 incUnread(first);
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15
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168 }
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30
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169 if( updated )
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170 lastUpdate = updated;
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40
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171 if( !document.hasFocus() ) {
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31
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172 document.title = title + ' *';
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173 }
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15
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174 }
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175
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176 function gotChats(html) {
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177 document.querySelector('div[chats]').innerHTML = html;
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178 if( currentChatId ) {
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179 let current = document.querySelector(`div[chat="${currentChatId}"]`);
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16
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180 if( current ) {
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181 current.setAttribute('selected','');
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182 current.scrollIntoViewIfNeeded(false);
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61
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183 clearUnread();
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16
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184 } else {
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185 currentChatId = null;
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186 document.querySelector('div[posts]').innerHTML = '';
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187 }
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15
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188 }
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189 }
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18
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190
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191 window.onfocus = function() {
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33
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192 // console.log('onfocus');
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18
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193 document.title = title;
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40
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194 ajax('active.js');
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195 };
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19
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196
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197 let urlRegex = /(^|\s)(https?:\/\/\S+)/g;
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198 let filebinUrlRegex = /(^|\s)(https:\/\/filebin.net\/[0-9a-f]+\/(\S+))/g;
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199
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200 function urlsToLinks(text) {
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201 text = text.replace( filebinUrlRegex, '$1<a target="_blank" href="$2">$3</a>' );
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202 text = text.replace( urlRegex, '$1<a target="_blank" href="$2">$2</a>' );
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203 return text;
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19
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204 }
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22
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205
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206 let currentPulldown = null;
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207 let newPulldown = null;
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208
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209 function clickMenu(clicked,display) {
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210 //console.log("clickMenu");
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211 let pulldown = clicked.parentNode.querySelector('div');
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212 if( pulldown !== currentPulldown ) {
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213 pulldown.style.display = display || "block";
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214 newPulldown = pulldown;
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215 window.onclick = function() {
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216 //console.log("window.onclick");
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217 if( currentPulldown ) {
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218 currentPulldown.style.display = "none";
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219 if( !newPulldown )
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220 window.onclick = null;
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221 }
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222 currentPulldown = newPulldown;
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223 newPulldown = null;
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224 };
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225 pulldown.scrollIntoViewIfNeeded(false);
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226 }
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227 }
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30
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228
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42
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229 function heartbeat() {
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230 ajax(`heartbeat.js?last_update=${lastUpdate}`);
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42
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231 }
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232
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233 setInterval( heartbeat, 10000 );
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234 heartbeat();
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235
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33
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236 let online = {};
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237
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238 function showOnline() {
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42
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239 let old = Date.now() - 70000;
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72
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240 let spans = document.querySelectorAll('span[online]');
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241 for( let span of spans ) {
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242 let id = span.getAttribute('online');
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73
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243 let wasOnline = online[id];
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244 let isOnline = !!wasOnline && wasOnline > old;
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245 span.setAttribute('is_online',isOnline);
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33
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246 }
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247 }
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53
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248
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249 function clearUnread() {
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250 let span = document.querySelector(`div[chat="${currentChatId}"] span[unread]`);
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251 span.setAttribute('unread','0');
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252 span.textContent = '0';
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253 }
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254
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255 function incUnread(div) {
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256 let span = div.querySelector('span[unread]');
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257 let n = parseInt(span.getAttribute('unread')) + 1;
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258 span.setAttribute('unread',n);
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259 span.textContent = n;
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260 }
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56
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261
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262 function invite() {
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263 let email = document.querySelector('input[type=email]').value;
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264 ajax(`invite.js?email=${encodeURIComponent(email)}`);
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265 }
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266
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267 function openInvite(email) {
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268 let dialog = document.querySelector('dialog[invite]');
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269 let span = dialog.querySelector('span[email]');
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270 span.textContent = email;
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271 openModal(dialog);
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272 }
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60
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273
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274 function gotoInvite(el) {
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275 let email = document.querySelector('dialog[invite] span[email]').textContent;
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276 closeModal(el);
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277 location = `chat?with=${email}`;
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278 ajax(`save_post.js?post=${currentPostId}`,`content=${encodeURIComponent(text)}`);
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279 }
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63
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280
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281 function uploadFile() {
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282 document.querySelector('input[type="file"]').click();
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283 }
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284
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285 function addFileUrl(url) {
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286 let textarea = document.querySelector('div[input] textarea');
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287 let text = textarea.value;
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288 if( /\S$/.test(text) )
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289 text += ' ';
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290 text += url;
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291 textarea.value = text;
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292 }
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293
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294 function uploadToFilebin(fileName,fileContent) {
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295 //console.log(fileContent.byteLength);
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296 let request = new XMLHttpRequest();
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297 let url = filebinUrl + fileName;
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298 request.open( 'POST', url );
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299 request.onload = function() {
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300 if( request.status !== 201 ) {
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301 let err = 'upload failed: ' + request.status;
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302 if( request.responseText ) {
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303 err += '\n' + request.responseText;
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304 }
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305 console.log(err);
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306 ajax( '/error_log.js', 'err='+encodeURIComponent(err) );
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307 return;
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308 }
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309 addFileUrl(url);
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310 };
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311 request.send(fileContent);
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312 }
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313
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314 function loadedFile(input) {
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315 let file = input.files[0];
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316 input.value = null;
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317 console.log(file);
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318 let reader = new FileReader();
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319 reader.onload = function() {
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320 uploadToFilebin(file.name,reader.result);
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321 };
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322 reader.readAsArrayBuffer(file);
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323 }
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65
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324
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73
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325 let times = [
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326 {
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327 time: 1000*60*60*24,
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328 unit: 'day'
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329 },
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330 {
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331 time: 1000*60*60,
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332 unit: 'hour'
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333 },
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334 {
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335 time: 1000*60,
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336 unit: 'minute'
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337 }
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338 ];
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339
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340 function ago(time) {
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341 for( let t of times ) {
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342 let n = Math.floor(time / t.time);
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343 if( n > 0 ) {
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344 let s = `${n} ${t.unit}`;
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345 if( n > 1 )
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346 s = s + 's';
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347 return s + ' ago';
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348 }
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349 }
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350 return 'just now';
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351 end
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352 }
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353
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65
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354 function openPeople() {
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355 let dialog = document.querySelector('dialog[people]');
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73
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356 let spans = dialog.querySelectorAll('span[last_seen]');
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357 let now = Date.now();
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358 let old = now - 70000;
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359 for( let span of spans ) {
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360 let id = span.getAttribute('last_seen');
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361 let s;
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362 let lastOnline = online[id];
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363 if( !lastOnline ) {
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364 s = '';
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365 } else if( lastOnline > old ) {
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366 s = 'Active now';
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367 } else {
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368 s = 'Last seen ' + ago(now - lastOnline);
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369 }
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370 console.log(`${id} ${s}`);
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371 span.textContent = s;
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372 }
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65
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373 openModal(dialog);
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374 }
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