annotate src/chat.js @ 41:2a4c83ce3deb

public chat
author Franklin Schmidt <fschmidt@gmail.com>
date Mon, 11 Aug 2025 07:58:32 +0900
parents 2737eeedc1d5
children 1d9d9786d76f
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1 'use strict';
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2
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3 let chat;
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5 function setChat(newChat) {
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6 let audioChanged = chat && (chat.language_region != newChat.language_region || chat.voice != newChat.voice);
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7 chat = newChat;
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8 document.querySelector('[content] [name]').textContent = chat.name;
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9 if(audioChanged) {
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10 let lang = `lang=${chat.language_region}&`;
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11 let voice = `voice=${chat.voice}&`;
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12 let audios = document.querySelectorAll('audio[src]');
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13 for( let audio of audios ) {
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14 let src = audio.src;
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15 src = src.replace(/lang=[^&]+&/,lang);
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16 src = src.replace(/voice=[^&]+&/,voice);
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17 audio.src = src;
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18 }
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19 }
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20 }
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22 function editChat(name) {
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23 let dialog = document.querySelector('dialog[edit]');
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24 dialog.querySelector('input[name=name]').value = chat.name;
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25 dialog.querySelector('select[name=language_region]').value = chat.language_region;
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26 dialog.querySelector('select[name=voice]').value = chat.voice;
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27 dialog.querySelector('input[name=show_text]').checked = chat.show_text;
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28 dialog.querySelector('input[name=autoplay]').checked = chat.autoplay;
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29 dialog.querySelector('input[name=is_private]').checked = chat.is_private;
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30 dialog.showModal();
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31 }
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33 function saveChat(form) {
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34 closeModal(form);
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35 ajaxForm('save_chat.js',form);
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36 }
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38 function deleteChat() {
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39 let dialog = document.querySelector('dialog[delete]');
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40 dialog.showModal();
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41 }
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43 function doDeleteChat(el) {
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44 closeModal(el);
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45 ajax(`delete_chat.js?chat=${chat.id}`);
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46 }
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48 function systemPrompt() {
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49 let dialog = document.querySelector('dialog[system_prompt]');
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50 dialog.showModal();
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51 }
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52
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53 function showWaitingAiIcon() {
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54 document.querySelector('[waiting-ai-icon]').style.display = 'block';
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55 }
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57 function hideWaitingAiIcon() {
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58 document.querySelector('[waiting-ai-icon]').style.display = 'none';
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59 }
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61 function playLastMessage() {
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62 let audios = document.querySelectorAll('[messages] audio');
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63 if( audios.length >= 1 ) {
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64 let audio = audios[audios.length-1];
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65 audio.play();
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66 }
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67 }
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69 function handleChatMarkdown() {
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70 handleMarkdown(chat.language_region,chat.voice);
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71 }
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72
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73 function scrollToEnd() {
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74 window.scrollTo(0, document.body.scrollHeight);
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75 }
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77 function updateAi(html) {
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78 hideWaitingAiIcon();
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79 document.querySelector('div[messages]').insertAdjacentHTML('beforeend',html);
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80 handleChatMarkdown();
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81 document.querySelector('textarea').focus();
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82 scrollToEnd();
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83 if( chat.autoplay )
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84 playLastMessage();
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85 }
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87 const isMobile = 'ontouchstart' in window || navigator.maxTouchPoints > 0 || navigator.msMaxTouchPoints > 0;
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88
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89 function textareaKey(event) {
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90 if( event.keyCode===13 && !event.shiftKey && !event.ctrlKey && !isMobile ) {
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91 event.preventDefault();
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92 askAi();
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93 }
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94 }
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96 let audio;
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98 function fixTextarea(textarea) {
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99 textarea.style.height = 'initial';
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100 textarea.style.height = (textarea.scrollHeight+2) + 'px';
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101 textarea.parentNode.scrollIntoViewIfNeeded(false);
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102 if( !audio )
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103 audio = document.querySelector('div[buttons] audio');
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104 audio.src = `/tts.mp3?lang=${chat.language_region}&voice=${chat.voice}&text=${encodeURIComponent(textarea.value)}`;
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105 }
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107 function askAi() {
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108 let input = document.querySelector('textarea');
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109 let url = `ai_ask.js?chat=${chat.id}&input=${encodeURIComponent(input.value)}`;
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110 ajax(url);
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111 input.value = '';
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112 fixTextarea(input);
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113 showWaitingAiIcon();
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114 }
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117 function setText(text) {
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118 let textarea = document.querySelector('textarea');
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119 textarea.value = text;
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120 fixTextarea(textarea);
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121 }
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123 let recorder = null;
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124 let chunks;
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125
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126 function startRecording() {
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127 chunks = [];
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128 function record(stream) {
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129 recorder = new MediaRecorder( stream, { mimeType: 'audio/webm;codecs=opus' } );
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130 recorder.ondataavailable = function(event) {
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131 chunks.push(event.data);
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132 };
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133 recorder.onstop = function(event) {
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134 recorder = null;
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135 let blob = new Blob(chunks, { type: 'audio/webm' });
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136 let formData = new FormData();
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137 formData.append('audio', blob, 'recording.webm');
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138 ajax('stt.js',formData);
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139 document.querySelector('button[record]').textContent = 'Record';
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140 };
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141 recorder.start();
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142 }
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143 navigator.mediaDevices.getUserMedia({ audio: { channelCount: 1 } }).then(record);
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144 document.querySelector('button[record]').textContent = 'Stop Recording';
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145 }
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146
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147 function toggleRecording() {
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148 if( recorder === null ) {
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149 startRecording();
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150 } else {
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151 recorder.stop();
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152 }
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153 }