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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 Time = require "luan:Time.luan"
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5 local time_now = Time.now or error()
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6 local Db = require "site:/lib/Db.luan"
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7 local run_in_transaction = Db.run_in_transaction or error()
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8
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9
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10 local Chat = {}
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11
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12 local function from_doc(doc)
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13 doc.type == "chat" or error "wrong type"
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14 return Chat.new {
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15 id = doc.id
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16 user_ids = doc.chat_user_ids
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17 updated = doc.chat_updated
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18 }
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19 end
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20
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21 local function to_doc(chat)
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22 return {
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23 type = "chat"
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24 id = chat.id
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25 chat_user_ids = chat.user_ids or error()
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26 chat_updated = chat.updated or error()
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27 }
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28 end
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29
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30 function Chat.new(chat)
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31 chat.updated = chat.updated or time_now()
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32
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33 function chat.save()
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34 local doc = to_doc(chat)
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35 Db.save(doc)
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36 chat.id = doc.id
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37 end
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38
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39 function chat.delete()
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40 run_in_transaction( function()
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41 local id = chat.id
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42 -- Db.delete("chat_user_ids:"..id)
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43 Db.delete("id:"..id)
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44 end )
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45 end
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46
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47 return chat
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48 end
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49
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50 function Chat.search(query,sort,rows)
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51 rows = rows or 1000000
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52 local chats = {}
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53 local docs = Db.search(query,1,rows,{sort=sort})
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54 for _, doc in ipairs(docs) do
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55 chats[#chats+1] = from_doc(doc)
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56 end
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57 return chats
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58 end
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59
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60 return Chat
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