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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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7
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4 local Table = require "luan:Table.luan"
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5 local concat = Table.concat or error()
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6 local is_empty = Table.is_empty or error()
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4
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7 local Time = require "luan:Time.luan"
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8 local time_now = Time.now or error()
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12
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9 local Http = require "luan:http/Http.luan"
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4
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10 local Db = require "site:/lib/Db.luan"
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11 local run_in_transaction = Db.run_in_transaction or error()
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12
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12 local Utils = require "site:/lib/Utils.luan"
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13 local base_url = Utils.base_url or error()
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4
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14
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15
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16 local Chat = {}
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17
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18 local function from_doc(doc)
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19 doc.type == "chat" or error "wrong type"
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20 return Chat.new {
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21 id = doc.id
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22 user_ids = doc.chat_user_ids
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23 updated = doc.chat_updated
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24 }
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25 end
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26
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27 local function to_doc(chat)
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28 return {
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29 type = "chat"
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30 id = chat.id
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31 chat_user_ids = chat.user_ids or error()
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32 chat_updated = chat.updated or error()
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33 }
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34 end
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35
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36 function Chat.new(chat)
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37 chat.updated = chat.updated or time_now()
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38
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39 function chat.save()
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40 local doc = to_doc(chat)
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41 Db.save(doc)
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42 chat.id = doc.id
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43 end
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44
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45 function chat.delete()
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46 run_in_transaction( function()
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47 local id = chat.id
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11
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48 Db.delete("post_chat_id:"..id)
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4
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49 Db.delete("id:"..id)
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50 end )
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51 end
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52
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7
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53 function chat.other_users_email(user)
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54 local User = require "site:/lib/User.luan"
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55 local get_user_by_id = User.get_by_id or error()
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56
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57 local my_id = user.id
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58 local t = {}
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59 for _, user_id in ipairs(chat.user_ids) do
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60 if user_id ~= my_id then
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61 local other_user = get_user_by_id(user_id) or error()
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62 t[#t+1] = other_user.email
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63 end
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64 end
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65 return concat( t, ", " )
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66 end
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67
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12
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68 function chat.http_push(message)
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69 local url = base_url().."/chat/"..chat.id
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70 Http.push(url,message)
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71 end
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72
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4
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73 return chat
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74 end
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75
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76 function Chat.search(query,sort,rows)
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77 rows = rows or 1000000
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78 local chats = {}
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79 local docs = Db.search(query,1,rows,{sort=sort})
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80 for _, doc in ipairs(docs) do
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81 chats[#chats+1] = from_doc(doc)
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82 end
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83 return chats
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84 end
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85
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7
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86 function Chat.get_by_id(id)
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87 local doc = Db.get_document("id:"..id)
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88 return doc and doc.type=="chat" and from_doc(doc) or nil
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89 end
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90
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4
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91 return Chat
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