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index.js
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index.js
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var { getExtra } = require('./extra')
var { allKeywords } = require('./keywords')
/*
* Constants
* */
var maxSegments = 3;
var movieKeywords = allKeywords
// function keywordArrToObj(arr){}
// Excluded is an object we use to exclude those keywords from consideration for detecting strings like "season X"
var excluded = { };
movieKeywords.forEach(function(x) { excluded[x] = 1 });
var SEGMENTS_SPLIT = /\.| |-|;|_/g;
var MATCH_FILES = /.mp4$|.mkv$|.avi$/;
var minYear = 1900, maxYear = 2030;
/*
* TWO REFERENCES
* * http://wiki.xbmc.org/index.php?title=Adding_videos_to_the_library/Naming_files/TV_shows
* * http://wiki.xbmc.org/index.php?title=Advancedsettings.xml#.3Ctvshowmatching.3E
*/
function simplifyName(n) {
return n.toLowerCase()
.trim()
.replace(/\([^\(]+\)$/, "") // remove brackets at end
.replace(/&/g, "and")
.replace(/[^0-9a-z ]+/g, " ") // remove special chars
.split(" ").filter(function(r){return r}).join(" ")
};
function parseVideoName(filePath, options)
{
//if (! filePath.match(MATCH_FILES)) return { type: "other" };
var options = options || {};
var meta = {};
var segments = filePath
.replace(/\\/g, "/") // Support Windows slashes, lol
.split("/")
.reverse()
.filter(function(x) { return x })
.slice(0, maxSegments);
var firstNameSplit = segments[0].split(/\.| |_/);
/*
* Helpers to validate if we have found the proper metadata
*/
function saneSeason()
{
return meta.hasOwnProperty("season") && !isNaN(meta.season)
};
function saneEpisode()
{
return Array.isArray(meta.episode) && meta.episode.length
};
/*
* Test for a year in the name
* */
[segments[0], segments[1]].filter(function(x){return x}).forEach(function(seg)
{
var regex = /\b\d{4}\b/g
var matches
while (matches = regex.exec(seg))
{
var number = parseInt(matches[0], 10);
if (number >= minYear && number <= maxYear)
meta.year = number
}
});
/*
* Test for "aired" stamp; if aired stamp is there, we have a series
*/
var pad = function(x) { return ("00"+x).slice(-2) };
[segments[0], segments[1]].filter(function(x){return x}).forEach(function(seg)
{
var aired = seg.match(/(\d\d\d\d)(\.|-| )(\d\d)(\.|-| )(\d\d)/);
if (aired && aired[1])
{
var year = parseInt(aired[1], 10);
if (year >= minYear && year <= maxYear)
meta.aired = [year, pad(aired[3]), pad(aired[5])].join("-");
}
});
/*
* A typical pattern - "s05e12", "S01E01", etc. ; can be only "E01"
* Those are matched only in the file name
*
* TODO: this stamp may be in another segment (e.g. directory name)
* */
[segments[0], segments[1]].forEach(function(seg) {
if (seg) seg.split(/\.| |_/).forEach(function(x, i)
{
/*
* Card type one
*/
var seasonMatch = x.match(/S(\d{1,2})/i); /* TODO: bug: uc-css4cd2.avi is a false positive */
if (seasonMatch)
meta.season = parseInt(seasonMatch[1], 10);
/* TODO: consider the case when a hyphen is used for multiple episodes ; e.g. e1-3 */
var episodeMatch = x.match(/E(\d{2})/ig);
if (episodeMatch)
meta.episode = episodeMatch.map(function(y) { return parseInt(y.slice(1), 10) });
/*
* 01x20
*/
var xStampMatch = x.match(/(\d\d?)x(\d\d?)/i);
if (xStampMatch)
{
meta.season = parseInt(xStampMatch[1], 10);
meta.episode = [ parseInt(xStampMatch[2], 10) ];
}
// if (otherCardMatch)
});
/* Extract name from this match */
var fullMatch = seg && seg.replace(/\.| |;|_/g, " ").match(/^([a-zA-Z0-9,-?!'& ]*) S(\d{1,2})E(\d{2})/i);
if (!meta.name && meta.season && meta.episode && fullMatch && fullMatch[1]) meta.name = fullMatch[1];
// TODO: consider not going through simplifyName
});
/*
* This stamp must be tested before splitting (by dot)
* a pattern of the kind [4.02]
* This pattern should be arround characters which are not digits and not letters
* */
var dotStampMatch = segments[0].match(/[^\da-zA-Z](\d\d?)\.(\d\d?)[^\da-zA-Z]/i);
if (! (saneSeason() && saneEpisode()) && dotStampMatch && !meta.year) // exclude meta.year to avoid confusing movie matches - especially if they contain 5.1 for suround sound
{
meta.season = parseInt(dotStampMatch[1], 10);
meta.episode = [ parseInt(dotStampMatch[2], 10) ];
}
/*
* A stamp of the style "804", meaning season 8, episode 4
* */
if (!(saneSeason() && saneEpisode()) && !options.strict)
{
var stamp = firstNameSplit
.reverse() /* search from the end */
.map(function(x)
{
if (x.match(new RegExp("\\d\\d\\d\\d?e"))) x = x.slice(0, -1); /* This is a weird case, but I've seen it: dexter.801e.720p.x264-kyr.mkv */
if (x.match(new RegExp("s\\d\\d\\d\\d?"))) x = x.slice(1); /* I've never seen this, but it might happen */
return x;
})
.filter(function(x)
{
return !isNaN(x) && (x.length == 3 || (!meta.year && x.length == 4)) /* 4-digit only allowed if this has not been identified as a year */
})[0]; /* Notice how always the first match is choosen ; the second might be a part of the episode name (e.g. "Southpark - 102 - weight gain 4000");
* that presumes episode number/stamp comes before the name, which is where most human beings would put it */
/* Since this one is risky, do it only if we haven't matched a year (most likely not a movie) or if year is BEFORE stamp, like: show.2014.801.mkv */
if (stamp && (!meta.year || (meta.year && (firstNameSplit.indexOf(stamp.toString()) < firstNameSplit.indexOf(meta.year.toString())))))
{
meta.episode = [ parseInt(stamp.slice(-2), 10) ];
meta.season = parseInt(stamp.slice(0, -2), 10);
}
}
/*
* "season 1", "season.1", "season1"
* */
if (! saneSeason())
{
var seasonMatch = segments.join("/").match(/season(\.| )?(\d{1,2})/ig);
if (seasonMatch)
meta.season = parseInt(seasonMatch[0].match(/\d/g).join(""), 10);
var seasonEpMatch = segments.join("/").match(/Season (\d{1,2}) - (\d{1,2})/i);
if (seasonEpMatch) {
meta.season = parseInt(seasonEpMatch[1], 10);
meta.episode = [ parseInt(seasonEpMatch[2], 10) ];
}
}
/*
* "episode 13", "episode.13", "episode13", "ep13", etc.
* */
if (! saneEpisode())
{
/* TODO: consider the case when a hyphen is used for multiple episodes ; e.g. e1-3*/
var episodeMatch = segments.join("/").match(/ep(isode)?(\.| )?(\d+)/ig);
if (episodeMatch)
meta.episode = [ parseInt(episodeMatch[0].match(/\d/g).join(""), 10) ];
}
/*
* Try plain number
* This will lead to more false positives than true positives; disabling
* /
/*
if (saneSeason() && !saneEpisode())
{
var epNumbers = firstNameSplit
.filter(function(x) { return !isNaN(x) && (x.length == 2 || x.length == 1) })
.map(function(x) { return parseInt(x, 10) })
if (epNumbers.length)
meta.episode = epNumbers;
}*/
/*
* If still nothing, the number from the second dir can be used, if the first dir has the show name??
*
* OR, split everything by everything (hyphens, underscores), filter for numbers between 1 and 30 and use the assumption that the episode is on the rightmost and the series is left from it
* (unless the numbers are a part of a date stamp)
* */
/*
* Which part (for movies which are split into .cd1. and .cd2., etc.. files)
* TODO: WARNING: this assumes it's in the filename segment
*
* */
var diskNumberMatch = segments[0].match(/[ _.-]*(?:cd|dvd|p(?:ar)?t|dis[ck]|d)[ _.-]*(\d)[^\d]/); /* weird regexp? */
if (diskNumberMatch)
meta.diskNumber = parseInt(diskNumberMatch[1], 10);
/*
* The name of the series / movie
* */
var isSample;
(options.fromInside ? segments : [].concat(segments).reverse()).forEach(function(seg, i)
{
if (seg == segments[0]) {
seg = seg.split(".").slice(0, -1).join("."); /* Remove extension */
var sourcePrefix = seg.match(/^\[(.*?)\]/)
if (sourcePrefix) seg = seg.slice(sourcePrefix[0].length)
}
/*
* WARNING: we must change how this works in order to handle cases like
* "the office[1.01]" as well as "the office [1.01]"; if we split those at '[' or ']', we will get the name "the office 1 10"
* For now, here's a hack to fix this
*/
var squareBracket = seg.indexOf("[");
if (squareBracket > -1) seg = seg.slice(0, squareBracket);
//var segSplit = seg.split(/\.| |-|\[|\]|;|_/),
var segSplit = seg.split(SEGMENTS_SPLIT),
word,
nameParts = [];
isSample = isSample || seg.match(/^sample/i)|| seg.match(/^etrg/i);
/* No need to go further; */
if (meta.name)
return;
var lastIndex;
segSplit.some(function(word, i)
{
lastIndex = i;
/* words with basic punctuation and two-digit numbers; or numbers in the first position */
if (! (word.match("^[a-zA-Z,?!'&]*$") || (!isNaN(word) && word.length <= 2) || (!isNaN(word) && i==0))
|| excluded[word.toLowerCase()]
|| ((["ep", "episode", "season"].indexOf(word.toLowerCase()) > -1) && !isNaN(segSplit[i+1])) // TODO: more than that, match for stamp too
)
return true;
nameParts.push(word);
});
if (nameParts.length == 1 && !isNaN(nameParts[0])) return; /* Only a number: unacceptable */
meta.name = nameParts
.filter(function(x) { return x && x.length > 0 })
.map(function(x) { return x[0].toUpperCase() + x.slice(1).toLowerCase() })
.join(" ");
});
isSample = isSample || ((segments[1] || "").toLowerCase() == "sample"); /* The directory where the file resides */
/*
* This is the time to decide the category of this video
*/
var canBeMovie;
if (options.strict) canBeMovie = meta.hasOwnProperty("year");
else canBeMovie = meta.hasOwnProperty("year") || meta.hasOwnProperty("diskNumber") || movieKeywords.some(function(keyword) { return segments.join("/").toLowerCase().search(keyword) > -1 });
if (meta.name && meta.aired)
meta.type = "series";
if (meta.name && saneSeason() && saneEpisode())
meta.type = "series";
else if (meta.name && canBeMovie)
meta.type = "movie";
// Must be deprioritized compared to movies
else if (meta.type != "movie" && meta.name && saneSeason()) // assume extras or bloopers?
meta.type = "extras";
else
meta.type = "other";
if (options.fileLength && options.fileLength < (meta.type.match(/movie/) ? 80 : 50)*1024*1024 && meta.type.match(/movie|series/) && !isSample) {
meta.type = "other";
}
if (meta.type != "series" || meta.aired) {
delete meta.episode;
delete meta.season;
}
// we have a year. put it to .aired instead
if (meta.type == "series" && meta.year) {
meta.aired = meta.aired || meta.year;
delete meta.year;
}
meta.type += isSample ? "-sample" : "";
meta.name = meta.name && simplifyName(meta.name);
/* Try to find the IMDB id from the NFO / hints
*/
//if (meta.nfo)
// meta.imdb_id = (fs.readFileSync(meta.nfo).toString().match("tt\\d{7}") || [])[0];
if (options.hints && options.hints.imdb_id)
meta.imdb_id = options.hints.imdb_id;
meta.tag = [];
if (filePath.match(/2160p|2160i|3840x2160/i)) { meta.tag.push("4k"); meta.tag.push("uhd"); meta.tag.push("2160p"); }
if (filePath.match(/1440p|1440i/i)) { meta.tag.push("2k"); meta.tag.push("wqhd"); meta.tag.push("1440p"); }
if (filePath.match(/1080p|1080i|1920x1080/i)) { meta.tag.push("hd"); meta.tag.push("1080p"); }
if (filePath.match(/720p|720i/i)) { meta.tag.push("720p"); }
if (filePath.match(/480p|480i/i)) { meta.tag.push("480p"); }
if (isSample) meta.tag.push("sample");
if(options.extra) {
meta.extra = getExtra(filePath)
}
return meta;
}
module.exports = parseVideoName;