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0
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1 local Luan = require "luan:Luan.luan"
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2 local error = Luan.error
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4
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3 local ipairs = Luan.ipairs or error()
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4 local pairs = Luan.pairs or error()
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5 local Table = require "luan:Table.luan"
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6 local concat = Table.concat or error()
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5
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7 local is_empty = Table.is_empty or error()
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8 local size = Table.size or error()
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0
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9 local Io = require "luan:Io.luan"
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10 local Http = require "luan:http/Http.luan"
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11 local Shared = require "site:/lib/Shared.luan"
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12 local head = Shared.head or error()
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13 local header = Shared.header or error()
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4
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14 local User = require "site:/lib/User.luan"
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5
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15 local current_user = User.current or error()
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4
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16 local get_user_by_email = User.get_by_email or error()
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17 local Utils = require "site:/lib/Utils.luan"
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18 local to_set = Utils.to_set or error()
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19 local Db = require "site:/lib/Db.luan"
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20 local run_in_transaction = Db.run_in_transaction or error()
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21 local Chat = require "site:/lib/Chat.luan"
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22 local chat_search = Chat.search or error()
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8
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23 local Logging = require "luan:logging/Logging.luan"
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24 local logger = Logging.logger "chat.html"
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0
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25
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26
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4
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27 local function get_chat(with)
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28 local t = {}
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29 local ids = {}
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30 for email in pairs(with) do
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31 local with_user = get_user_by_email(email) or error()
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32 local id = with_user.id
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33 t[#t+1] = "+chat_user_ids:"..id
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34 ids[#ids+1] = id
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35 end
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36 local query = concat(t," ")
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8
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37 return run_in_transaction( function()
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4
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38 local chats = chat_search(query)
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39 local n = #chats
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40 if n == 0 then
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41 local chat = Chat.new{
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42 user_ids = ids
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43 }
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44 chat.save()
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45 return chat
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46 elseif n == 1 then
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47 return chats[1]
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48 else
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49 error("multiple chats for: "..query)
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50 end
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51 end )
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52 end
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53
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0
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54 return function()
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5
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55 local with = Http.request.parameters.with
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56 with = to_set(with)
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4
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57 local user = current_user()
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58 if user == nil then
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5
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59 local url = "/login.html"
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60 if not is_empty(with) then
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61 local t = {}
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62 for email in pairs(with) do
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63 t[#t+1] = "with="..email
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64 end
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65 url = url.."?"..concat(t,"&")
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66 end
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67 Http.response.send_redirect(url)
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4
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68 return
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69 end
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8
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70 local selected = nil
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5
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71 if not is_empty(with) then
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4
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72 with[user.email] = true
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5
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73 if size(with) > 1 then
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8
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74 selected = get_chat(with)
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5
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75 end
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4
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76 end
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77 local chats = user.get_chats()
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0
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78 Io.stdout = Http.response.text_writer()
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79 %>
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80 <!doctype html>
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81 <html>
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82 <head>
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83 <% head() %>
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7
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84 <style>
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85 body {
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86 height: 100vh;
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87 display: flex;
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88 flex-direction: column;
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89 }
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90 div[content] {
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91 margin-bottom: 0;
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92 display: flex;
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93 height: 100%;
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94 margin-left: calc(3% - 8px);
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95 }
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96 div[chats] {
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97 width: 250px;
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98 padding-right: 8px;
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99 }
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100 div[chats] > div {
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101 margin-top: 2px;
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102 margin-bottom: 2px;
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103 padding-top: 16px;
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104 padding-bottom: 16px;
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105 padding-left: 8px;
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106 padding-right: 8px;
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107 border-radius: 4px;
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108 }
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109 div[chats] > div:hover,
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110 div[chats] > div[selected] {
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111 background-color: LightBlue;
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112 }
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113 div[posts] {
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114 padding-left: 8px;
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115 border-left: 1px solid;
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116 }
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117 </style>
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118 <script>
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119 'use strict';
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120
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121 let currentChatId = null;
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122
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123 function selectChat(div) {
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124 let chatId = div.getAttribute('chat');
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125 if( chatId === currentChatId )
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126 return;
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127 let selected = div.parentNode.querySelector('[selected]');
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128 if( selected ) selected.removeAttribute('selected');
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129 div.setAttribute('selected','');
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130 ajax(`chat.js?chat=${chatId}`);
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131 }
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132 </script>
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0
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133 </head>
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134 <body>
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135 <% header() %>
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136 <div content>
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7
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137 <div chats>
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138 <%
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139 for _, chat in ipairs(chats) do
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140 %>
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141 <div chat="<%=chat.id%>" onclick="selectChat(this)"><%= chat.other_users_email(user) %></div>
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142 <%
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143 end
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144 %>
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145 </div>
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146 <div posts></div>
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0
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147 </div>
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148 </body>
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8
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149 <%
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150 if selected ~= nil then
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151 %>
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152 <script>
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153 let div = document.querySelector('div[chat="<%=selected.id%>"]');
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154 selectChat(div);
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155 </script>
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156 <%
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157 end
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158 %>
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0
|
159 </html>
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160 <%
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161 end
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