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