--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/save_pic_title.js.luan	Fri Jul 11 20:57:49 2025 -0600
@@ -0,0 +1,59 @@
+local Luan = require "luan:Luan.luan"
+local error = Luan.error
+local pairs = Luan.pairs or error()
+local String = require "luan:String.luan"
+local trim = String.trim or error()
+local regex = String.regex or error()
+local Parsers = require "luan:Parsers.luan"
+local json_string = Parsers.json_string or error()
+local Io = require "luan:Io.luan"
+local Http = require "luan:http/Http.luan"
+local Shared = require "site:/lib/Shared.luan"
+local js_error = Shared.js_error or error()
+local Pic = require "site:/lib/Pic.luan"
+local User = require "site:/lib/User.luan"
+local Db = require "site:/lib/Db.luan"
+local run_in_transaction = Db.run_in_transaction or error()
+local Logging = require "luan:logging/Logging.luan"
+local logger = Logging.logger "save_pic_title.js"
+
+
+local hashtags_regex = regex[[^(#?\w+\s*)*$]]
+local hashtag_regex = regex[[\w+]]
+
+return function()
+	Io.stdout = Http.response.text_writer()
+	local user = User.current() or error()
+	local pic_id = Http.request.parameters.pic or error()
+	local title = Http.request.parameters.title or error()
+	title = trim(title)
+	local hashtags = Http.request.parameters.hashtags or error()
+	hashtags = trim(hashtags)
+	local is_hidden = Http.request.parameters.visible == nil
+	if not hashtags_regex.matches(hashtags) then
+		js_error("hashtags",[[Hashtags may only contain letters, numbers, underscores ("_"), and spaces to separate them]])
+		return
+	end
+	local set = {}
+	for hashtag in hashtag_regex.gmatch(hashtags) do
+		set[hashtag] = true
+	end
+	hashtags = {}
+	for hashtag in pairs(set) do
+		hashtags[#hashtags+1] = hashtag
+	end
+	local pic
+	run_in_transaction( function()
+		pic = Pic.get_by_id(pic_id)
+		pic.user_id == user.id or error()
+		pic.title = title
+		pic.is_hidden = is_hidden
+		pic.hashtags = hashtags
+		pic.save()
+	end )
+	js_error( "success", "Saved" )
+%>
+	document.querySelector('div[pic] img').title = <%=json_string(title)%>;
+	document.querySelector('div[hashtags]').innerHTML = <%=json_string(pic.hashtags_html("pics.html"))%>;
+<%
+end