Mercurial Hosting > linkmystyle
comparison src/save_pic_title.js.luan @ 0:8f4df159f06b
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author | Franklin Schmidt <fschmidt@gmail.com> |
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date | Fri, 11 Jul 2025 20:57:49 -0600 |
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-1:000000000000 | 0:8f4df159f06b |
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1 local Luan = require "luan:Luan.luan" | |
2 local error = Luan.error | |
3 local pairs = Luan.pairs or error() | |
4 local String = require "luan:String.luan" | |
5 local trim = String.trim or error() | |
6 local regex = String.regex or error() | |
7 local Parsers = require "luan:Parsers.luan" | |
8 local json_string = Parsers.json_string or error() | |
9 local Io = require "luan:Io.luan" | |
10 local Http = require "luan:http/Http.luan" | |
11 local Shared = require "site:/lib/Shared.luan" | |
12 local js_error = Shared.js_error or error() | |
13 local Pic = require "site:/lib/Pic.luan" | |
14 local User = require "site:/lib/User.luan" | |
15 local Db = require "site:/lib/Db.luan" | |
16 local run_in_transaction = Db.run_in_transaction or error() | |
17 local Logging = require "luan:logging/Logging.luan" | |
18 local logger = Logging.logger "save_pic_title.js" | |
19 | |
20 | |
21 local hashtags_regex = regex[[^(#?\w+\s*)*$]] | |
22 local hashtag_regex = regex[[\w+]] | |
23 | |
24 return function() | |
25 Io.stdout = Http.response.text_writer() | |
26 local user = User.current() or error() | |
27 local pic_id = Http.request.parameters.pic or error() | |
28 local title = Http.request.parameters.title or error() | |
29 title = trim(title) | |
30 local hashtags = Http.request.parameters.hashtags or error() | |
31 hashtags = trim(hashtags) | |
32 local is_hidden = Http.request.parameters.visible == nil | |
33 if not hashtags_regex.matches(hashtags) then | |
34 js_error("hashtags",[[Hashtags may only contain letters, numbers, underscores ("_"), and spaces to separate them]]) | |
35 return | |
36 end | |
37 local set = {} | |
38 for hashtag in hashtag_regex.gmatch(hashtags) do | |
39 set[hashtag] = true | |
40 end | |
41 hashtags = {} | |
42 for hashtag in pairs(set) do | |
43 hashtags[#hashtags+1] = hashtag | |
44 end | |
45 local pic | |
46 run_in_transaction( function() | |
47 pic = Pic.get_by_id(pic_id) | |
48 pic.user_id == user.id or error() | |
49 pic.title = title | |
50 pic.is_hidden = is_hidden | |
51 pic.hashtags = hashtags | |
52 pic.save() | |
53 end ) | |
54 js_error( "success", "Saved" ) | |
55 %> | |
56 document.querySelector('div[pic] img').title = <%=json_string(title)%>; | |
57 document.querySelector('div[hashtags]').innerHTML = <%=json_string(pic.hashtags_html("pics.html"))%>; | |
58 <% | |
59 end |