60 lines
1.4 KiB
JavaScript
60 lines
1.4 KiB
JavaScript
//note
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//external modules
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var LZString = require('lz-string');
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var marked = require('marked');
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var cheerio = require('cheerio');
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//others
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var db = require("./db.js");
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//public
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var note = {
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checkNoteIdValid: checkNoteIdValid,
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checkNoteExist: checkNoteExist,
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getNoteTitle: getNoteTitle
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};
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function checkNoteIdValid(noteId) {
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try {
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//console.log(noteId);
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var id = LZString.decompressFromBase64(noteId);
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if (!id) return false;
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var uuidRegex = /^[0-9a-f]{8}-[0-9a-f]{4}-[1-5][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/i;
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var result = id.match(uuidRegex);
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if (result && result.length == 1)
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return true;
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else
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return false;
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} catch (err) {
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console.error(err);
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return false;
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}
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}
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function checkNoteExist(noteId) {
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try {
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//console.log(noteId);
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var id = LZString.decompressFromBase64(noteId);
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db.readFromDB(id, function (err, result) {
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if (err) return false;
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return true;
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});
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} catch (err) {
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console.error(err);
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return false;
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}
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}
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//get title
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function getNoteTitle(body) {
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var $ = cheerio.load(marked(body));
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var h1s = $("h1");
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var title = "";
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if (h1s.length > 0)
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title = h1s.first().text();
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else
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title = "Untitled";
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return title;
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}
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module.exports = note; |