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comparison examples/blog/src/lib/Post.luan @ 779:c38f6619feb9

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move blog into examples
author Franklin Schmidt <fschmidt@gmail.com>
date Sun, 28 Aug 2016 14:50:47 -0600
parents blog/src/lib/Post.luan@ca169567ce07
children bae2d0c2576c
comparison
equal deleted inserted replaced
778:305ffb00ebc1 779:c38f6619feb9
1 local Luan = require "luan:Luan.luan"
2 local error = Luan.error
3 local ipairs = Luan.ipairs or error()
4 local assert_string = Luan.assert_string or error()
5 local Time = require "luan:Time.luan"
6 local now = Time.now or error()
7 local String = require "luan:String.luan"
8 local trim = String.trim or error()
9 local Db = require "site:/lib/Db.luan"
10
11
12 local M = {}
13
14 local function from_doc(doc)
15 return M.new {
16 id = doc.id
17 subject = doc.subject
18 content = doc.content
19 date = doc.date
20 }
21 end
22
23 function M.new(this)
24 assert_string(this.subject)
25 assert_string(this.content)
26 this.date = this.date or now()
27
28 function this.save()
29 local doc = {
30 type = "post"
31 id = this.id
32 subject = this.subject
33 content = this.content
34 date = this.date
35 }
36 Db.save(doc)
37 this.id = doc.id
38 end
39
40 return this
41 end
42
43 function M.get_by_id(id)
44 local doc = Db.get_document("id:"..id)
45 return doc and from_doc(doc)
46 end
47
48 function M.get_all()
49 local docs = Db.search("type:post",1,1000,"id desc")
50 local posts = {}
51 for _, doc in ipairs(docs) do
52 posts[#posts+1] = from_doc(doc)
53 end
54 return posts
55 end
56
57 function M.search(query)
58 query = trim(query)
59 if #query == 0 then
60 return M.get_all()
61 end
62 local docs = Db.search(query,1,1000)
63 local posts = {}
64 for _, doc in ipairs(docs) do
65 posts[#posts+1] = from_doc(doc)
66 end
67 return posts
68 end
69
70 return M