annotate src/chat.js @ 32:d34d709a7a8e

region
author Franklin Schmidt <fschmidt@gmail.com>
date Sun, 03 Aug 2025 18:43:17 -0600
parents 1e7d855afde3
children 0fb3488a017d
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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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21
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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.showModal();
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28 }
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30 function saveChat(form) {
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31 closeModal(form);
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32 ajaxForm('save_chat.js',form);
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33 }
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35 function deleteChat() {
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36 let dialog = document.querySelector('dialog[delete]');
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37 dialog.showModal();
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38 }
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40 function doDeleteChat(el) {
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41 closeModal(el);
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42 ajax(`delete_chat.js?chat=${chat.id}`);
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43 }
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45 function systemPrompt() {
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46 let dialog = document.querySelector('dialog[system_prompt]');
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47 dialog.showModal();
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48 }
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49
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50 function showWaitingAiIcon() {
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51 document.querySelector('[waiting-ai-icon]').style.display = 'block';
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52 }
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54 function hideWaitingAiIcon() {
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55 document.querySelector('[waiting-ai-icon]').style.display = 'none';
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56 }
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58 function playLastMessage() {
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59 let audios = document.querySelectorAll('[messages] audio');
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60 if( audios.length >= 1 ) {
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61 let audio = audios[audios.length-1];
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62 audio.play();
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63 }
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64 }
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65
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66 function handleChatMarkdown() {
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67 handleMarkdown(chat.language_region,chat.voice);
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68 }
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70 function scrollToEnd() {
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71 window.scrollTo(0, document.body.scrollHeight);
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72 }
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74 function updateAi(html) {
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75 hideWaitingAiIcon();
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76 document.querySelector('div[messages]').insertAdjacentHTML('beforeend',html);
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77 handleChatMarkdown();
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78 document.querySelector('textarea').focus();
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79 scrollToEnd();
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80 playLastMessage();
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81 }
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82
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83 const isMobile = 'ontouchstart' in window || navigator.maxTouchPoints > 0 || navigator.msMaxTouchPoints > 0;
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84
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85 function textareaKey(event) {
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86 if( event.keyCode===13 && !event.shiftKey && !event.ctrlKey && !isMobile ) {
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87 event.preventDefault();
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88 askAi();
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89 }
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90 }
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92 let audio;
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93
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94 function fixTextarea(textarea) {
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95 textarea.style.height = 'initial';
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96 textarea.style.height = (textarea.scrollHeight+2) + 'px';
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97 textarea.parentNode.scrollIntoViewIfNeeded(false);
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98 if( !audio )
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99 audio = document.querySelector('div[buttons] audio');
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100 audio.src = `/tts.mp3?lang=${chat.language_region}&voice=${chat.voice}&text=${encodeURIComponent(textarea.value)}`;
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101 }
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103 function askAi() {
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104 let input = document.querySelector('textarea');
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105 let url = `ai_ask.js?chat=${chat.id}&input=${encodeURIComponent(input.value)}`;
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106 ajax(url);
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107 input.value = '';
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108 fixTextarea(input);
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109 showWaitingAiIcon();
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110 }
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112
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113 function setText(text) {
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114 let textarea = document.querySelector('textarea');
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115 textarea.value = text;
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116 fixTextarea(textarea);
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117 }
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118
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119 let recorder = null;
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120 let chunks;
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121
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122 function startRecording() {
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123 chunks = [];
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124 function record(stream) {
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125 recorder = new MediaRecorder( stream, { mimeType: 'audio/webm;codecs=opus' } );
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126 recorder.ondataavailable = function(event) {
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127 chunks.push(event.data);
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128 };
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129 recorder.onstop = function(event) {
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130 recorder = null;
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131 let blob = new Blob(chunks, { type: 'audio/webm' });
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132 let formData = new FormData();
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133 formData.append('audio', blob, 'recording.webm');
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134 ajax('stt.js',formData);
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135 document.querySelector('button[record]').textContent = 'Record';
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136 };
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137 recorder.start();
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138 }
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139 navigator.mediaDevices.getUserMedia({ audio: { channelCount: 1 } }).then(record);
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140 document.querySelector('button[record]').textContent = 'Stop Recording';
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141 }
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143 function toggleRecording() {
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144 if( recorder === null ) {
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145 startRecording();
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146 } else {
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147 recorder.stop();
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148 }
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149 }