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2
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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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3
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4 local range = Luan.range or error()
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2
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5 local to_string = Luan.to_string or error()
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6 local get_local_only = Luan.get_local_only or error()
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7 local set_local_only = Luan.set_local_only or error()
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3
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8 local String = require "luan:String.luan"
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9 local sub_string = String.sub or error()
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10 local Math = require "luan:Math.luan"
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11 local random = Math.random or error()
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12 local Table = require "luan:Table.luan"
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13 local concat = Table.concat or error()
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2
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14 local Lucene = require "luan:lucene/Lucene.luan"
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15 local lucene_quote = Lucene.quote or error()
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16 local Http = require "luan:http/Http.luan"
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17 local Db = require "site:/lib/Db.luan"
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3
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18 local run_in_transaction = Db.run_in_transaction or error()
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4
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19 local Chat = require "site:/lib/Chat.luan"
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30
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20 local chat_search = Chat.search or error()
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33
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21 local Utils = require "site:/lib/Utils.luan"
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22 local list_to_set = Utils.list_to_set or error()
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23 local set_to_list = Utils.set_to_list or error()
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2
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24 local Logging = require "luan:logging/Logging.luan"
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25 local logger = Logging.logger "User"
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26
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27
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28 local User = {}
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29
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30 local function from_doc(doc)
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31 doc.type == "user" or error "wrong type"
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32 return User.new {
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33 id = doc.id
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34 email = doc.user_email
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35 password = doc.password
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36 }
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37 end
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38
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39 local function to_doc(user)
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40 return {
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41 type = "user"
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42 id = user.id
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43 user_email = user.email
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44 password = user.password
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45 }
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46 end
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47
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48 function User.new(user)
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49
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50 function user.save()
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51 local doc = to_doc(user)
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52 Db.save(doc)
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53 user.id = doc.id
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54 end
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55
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4
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56 function user.delete()
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57 run_in_transaction( function()
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58 local id = user.id
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30
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59 local chats = chat_search("chat_user_ids:"..id)
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4
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60 for _, chat in ipairs(chats) do
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61 chat.delete()
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62 end
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63 Db.delete("id:"..id)
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64 end )
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2
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65 end
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66
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67 function user.login()
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68 local id = to_string(user.id)
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69 Http.response.set_persistent_cookie("user",id)
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70 Http.response.set_persistent_cookie("password",user.password)
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71 Http.request.cookies.user = id
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72 Http.request.cookies.password = user.password or error()
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73 end
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74
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30
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75 function user.last_update()
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76 local chats = chat_search( "chat_user_ids:"..user.id, "chat_updated desc", 1 )
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77 local n = #chats
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78 if n == 0 then
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79 return 0
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80 elseif n == 1 then
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81 return chats[1].updated
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82 else error() end
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83 end
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84
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33
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85 function user.chatting_with_ids()
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86 local my_id = user.id
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87 local user_ids = list_to_set{}
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88 local chats = chat_search( "chat_user_ids:"..my_id )
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89 for _, chat in ipairs(chats) do
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90 for _, user_id in ipairs(chat.user_ids) do
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91 user_ids[user_id] = true
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92 end
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93 end
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94 user_ids[my_id] = false
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95 return set_to_list(user_ids)
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96 end
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97
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2
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98 return user
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99 end
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100
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101 local function get_by_id(id)
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102 local doc = Db.get_document("id:"..id)
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103 return doc and doc.type=="user" and from_doc(doc) or nil
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104 end
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105 User.get_by_id = get_by_id
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106
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3
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107 local password_chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
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108 do
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109 local t = {}
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110 for i in range(1,#password_chars) do
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111 t[#t+1] = sub_string(password_chars,i,i)
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112 end
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113 password_chars = t
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114 end
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115
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116 local function new_password()
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117 local n = #password_chars
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118 local t = {}
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119 for _ in range(1,10) do
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120 t[#t+1] = password_chars[random(n)]
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121 end
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122 return concat(t)
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123 end
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124
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4
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125 local function get_by_email(email)
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126 local doc = Db.get_document("user_email:"..lucene_quote(email))
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127 return doc and from_doc(doc)
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128 end
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129 User.get_by_email = get_by_email
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130
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3
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131 function User.get_or_create_by_email(email)
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132 return run_in_transaction( function()
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4
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133 local user = get_by_email(email)
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134 if user == nil then
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135 user = User.new{
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3
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136 email = email
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137 password = new_password()
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138 }
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139 user.save()
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140 end
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4
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141 return user
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3
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142 end )
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2
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143 end
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144
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145 function User.search(query,sort,rows)
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146 rows = rows or 1000000
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147 local users = {}
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148 local docs = Db.search(query,1,rows,{sort=sort})
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149 for _, doc in ipairs(docs) do
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150 users[#users+1] = from_doc(doc)
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151 end
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152 return users
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153 end
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154
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3
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155 local function current()
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2
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156 local user = get_local_only(User,"current")
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157 if user == nil then
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158 local id = Http.request.cookies.user
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159 local password = Http.request.cookies.password
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160 if id == nil or password == nil then
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161 user = "nil"
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162 else
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163 user = get_by_id(id)
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3
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164 if user == nil or user.password ~= password then
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2
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165 user = "nil"
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166 end
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167 end
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168 set_local_only(User,"current",user)
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169 end
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170 return user ~= "nil" and user or nil
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171 end
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3
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172 User.current = current
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2
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173
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174 function User.current_required()
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3
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175 local user = current()
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2
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176 user or Http.response.send_redirect "/login.html"
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177 return user
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178 end
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179
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180 return User
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