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4
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1 local Luan = require "luan:Luan.luan"
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2 local error = Luan.error
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3 local ipairs = Luan.ipairs or error()
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4 local Number = require "luan:Number.luan"
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5 local long = Number.long or error()
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6 local Time = require "luan:Time.luan"
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7 local time_now = Time.now or error()
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8 local Html = require "luan:Html.luan"
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9 local html_encode = Html.encode or error()
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10 local Db = require "site:/lib/Db.luan"
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5
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11 local run_in_transaction = Db.run_in_transaction or error()
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25
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12 local Ai_chat = require "site:/lib/ai/claude/Ai_chat.luan"
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16
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13 local languages = require "site:/lib/languages.luan"
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14 local Utils = require "site:/lib/Utils.luan"
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15 local get_first = Utils.get_first or error()
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25
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16 local Course = require "site:/lib/Course.luan"
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17 local get_course_by_id = Course.get_by_id or error()
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4
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18
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19
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20 local Chat = {}
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21
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22 local function from_doc(doc)
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23 doc.type == "chat" or error "wrong type"
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24 return Chat.new {
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25 id = doc.id
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26 user_id = doc.chat_user_id
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27 updated = doc.chat_updated
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24
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28 course_id = doc.course_id
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4
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29 name = doc.name
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5
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30 ai_thread = doc.ai_thread
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16
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31 language = doc.language
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32 language_region = doc.language_region
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4
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33 }
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34 end
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35
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36 local function to_doc(chat)
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37 return {
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38 type = "chat"
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39 id = chat.id
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40 chat_user_id = long(chat.user_id)
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41 chat_updated = long(chat.updated)
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24
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42 course_id = long(chat.course_id)
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4
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43 name = chat.name or error()
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25
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44 ai_thread = chat.ai_thread
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16
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45 language = chat.language or error()
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46 language_region = chat.language_region or error()
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4
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47 }
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48 end
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49
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16
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50 local function first_region(language)
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51 return get_first(languages[language].regions)
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52 end
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53
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4
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54 function Chat.new(chat)
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55 chat.updated = chat.updated or time_now()
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16
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56 chat.language_region = chat.language_region or first_region(chat.language)
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4
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57
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58 function chat.save()
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59 local doc = to_doc(chat)
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60 Db.save(doc)
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61 chat.id = doc.id
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62 end
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63
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5
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64 function chat.reload()
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65 return Chat.get_by_id(chat.id) or error(chat.id)
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66 end
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67
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4
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68 function chat.delete()
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69 Db.delete("id:"..chat.id)
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70 end
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71
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72 function chat.name_html()
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73 return html_encode(chat.name)
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74 end
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75
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25
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76 function chat.init_ai() -- return if added message
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77 if chat.ai_thread ~= nil then
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78 return false
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79 end
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80 local course = get_course_by_id(chat.course_id) or error()
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81 local ai_first_message = course.ai_first_message
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82 local ai_thread = Ai_chat.ask_first(course.ai_system_prompt,ai_first_message)
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13
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83 run_in_transaction( function()
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84 chat = chat.reload()
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85 chat.ai_thread = ai_thread
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86 chat.save()
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87 end )
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25
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88 return ai_first_message ~= nil
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89 end
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90
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91 function chat.output_system_prompt()
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92 Ai_chat.output_system_prompt(chat.ai_thread)
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93 end
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94
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95 function chat.output_messages_html()
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96 Ai_chat.output_messages_html(chat.language_region,chat.ai_thread)
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97 end
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98
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99 function chat.ask(input)
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100 local old_thread = chat.ai_thread
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101 local ai_thread = Ai_chat.ask_more(old_thread,input)
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102 run_in_transaction( function()
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103 chat = chat.reload()
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104 chat.ai_thread = ai_thread
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105 chat.save()
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106 end )
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107 return `Ai_chat.output_messages_html(chat.language_region,ai_thread,old_thread)`
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5
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108 end
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109
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21
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110 function chat.language_name()
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111 return languages[chat.language].name
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112 end
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113
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4
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114 return chat
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115 end
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116
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117 function Chat.search(query,sort,rows)
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118 rows = rows or 1000000
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119 local chats = {}
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120 local docs = Db.search(query,1,rows,{sort=sort})
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121 for _, doc in ipairs(docs) do
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122 chats[#chats+1] = from_doc(doc)
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123 end
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124 return chats
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125 end
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126
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127 function Chat.get_by_id(id)
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128 local doc = Db.get_document("id:"..id)
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129 return doc and doc.type=="chat" and from_doc(doc) or nil
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130 end
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131
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132 return Chat
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