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10
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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 Number = require "luan:Number.luan"
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5 local long = Number.long or error()
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6 local Db = require "site:/lib/Db.luan"
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23
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7 local run_in_transaction = Db.run_in_transaction or error()
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10
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8
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9
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10 local Post = {}
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11
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12 local function from_doc(doc)
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13 doc.type == "post" or error "wrong type"
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14 return Post.new {
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15 id = doc.id
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16 chat_id = doc.post_chat_id
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17 author_id = doc.author_id
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18 date = doc.date
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19 content = doc.content
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20 }
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21 end
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22
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23 local function to_doc(post)
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24 return {
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25 type = "post"
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26 id = post.id
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27 post_chat_id = long(post.chat_id)
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28 author_id = long(post.author_id)
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29 date = long(post.date)
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30 content = post.content or error()
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31 }
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32 end
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33
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34 function Post.new(post)
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35 function post.save()
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36 local doc = to_doc(post)
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37 Db.save(doc)
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38 post.id = doc.id
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39 end
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40
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23
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41 function post.delete()
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42 run_in_transaction( function()
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43 local id = post.id
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44 Db.delete("id:"..id)
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45 end )
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46 end
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47
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10
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48 return post
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49 end
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50
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51 function Post.search(query,sort,rows)
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52 rows = rows or 1000000
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53 local posts = {}
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54 local docs = Db.search(query,1,rows,{sort=sort})
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55 for _, doc in ipairs(docs) do
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56 posts[#posts+1] = from_doc(doc)
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57 end
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58 return posts
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59 end
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60
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23
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61 function Post.get_by_id(id)
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62 local doc = Db.get_document("id:"..id)
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63 return doc and doc.type=="post" and from_doc(doc) or nil
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64 end
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65
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10
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66 return Post
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