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Code Issues Releases Wiki Activity

Rewrite URLs in subscription feed

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This commit is contained in:
Cadence Ember 2021-04-14 23:02:05 +12:00
parent e829dd4de6
commit 48534d4e29
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GPG Key ID: BC1C2C61CF521B17
3 changed files with 44 additions and 36 deletions
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3
api/subscriptions.js
View File

@ -2,7 +2,7 @@ const {render} = require("pinski/plugins")
const db = require("../utils/db")
const {fetchChannelLatest} = require("../utils/youtube")
const {getUser} = require("../utils/getuser")
const {timeToPastText} = require("../utils/converters")
const {timeToPastText, rewriteVideoDescription} = require("../utils/converters")
const {refresher} = require("../background/feed-update")
module.exports = [
@ -32,6 +32,7 @@ module.exports = [
.map(video => {
video.publishedText = timeToPastText(video.published * 1000)
video.watched = watchedVideos.includes(video.videoId)
video.descriptionHtml = rewriteVideoDescription(video.descriptionHtml, video.videoId)
return video
})
}

36
api/video.js
View File

@ -84,40 +84,6 @@ function sortFormats(video, preference) {
return formats
}
function rewriteVideoDescription(descriptionHtml, id) {
// replace timestamps to clickable links and rewrite youtube links to stay on the instance instead of pointing to YouTube
// test cases
// https://www.youtube.com/watch?v=VdPsJW6AHqc 00:00 timestamps, youtu.be/<videoid>
// https://www.youtube.com/watch?v=FDMq9ie0ih0 00:00 & 00:00:00 timestamps
// https://www.youtube.com/watch?v=fhum63fAwrI www.youtube.com/watch?v=<videoid>
// https://www.youtube.com/watch?v=i-szWOrc3Mo www.youtube.com/<channelname> (unsupported by cloudtube currently)
// https://www.youtube.com/watch?v=LSG71wbKpbQ www.youtube.com/channel/<id>
descriptionHtml = descriptionHtml.replace(new RegExp(`<a href="https?://(?:www\\.)?youtu\\.be/(${constants.regex.video_id})([^"]*)">([^<]+)</a>`, "g"), `<a href="/watch?v=$1$2">$3</a>`)
descriptionHtml = descriptionHtml.replace(new RegExp(`<a href="https?://(?:www\\.)?youtu(?:\\.be|be\\.com)/([^"]*)">([^<]+)<\/a>`, "g"), `<a href="/$1">$2</a>`)
descriptionHtml = descriptionHtml.replace(new RegExp(`(?:([0-9]*):)?([0-5]?[0-9]):([0-5][0-9])`, "g"), (_, hours, minutes, seconds) => {
let timeURL, timeDisplay, timeSeconds
if (hours === undefined) {
timeURL = `${minutes}m${seconds}s`
timeDisplay = `${minutes}:${seconds}`
timeSeconds = minutes*60 + + seconds
} else {
timeURL = `${hours}h${minutes}m${seconds}s`
timeDisplay = `${hours}:${minutes}:${seconds}`
timeSeconds = hours*60*60 + minutes*60 + + seconds
}
const params = new URLSearchParams()
params.set("v", id)
params.set("t", timeURL)
const url = "/watch?" + params
return pug.render(`a(href=url data-clickable-timestamp=timeSeconds)= timeDisplay`, {url, timeURL, timeDisplay, timeSeconds})
})
return descriptionHtml
}
async function renderVideo(video, {user, settings, id, instanceOrigin}, locals = {}) {
try {
if (!video) throw new Error("The instance returned null.")
@ -149,7 +115,7 @@ async function renderVideo(video, {user, settings, id, instanceOrigin}, locals =
}
// rewrite description
video.descriptionHtml = rewriteVideoDescription(video.descriptionHtml, id)
video.descriptionHtml = converters.rewriteVideoDescription(video.descriptionHtml, id)
return render(200, "pug/video.pug", Object.assign(locals, {video, formats, subscribed, instanceOrigin}))
} catch (e) {

41
utils/converters.js
View File

@ -1,3 +1,6 @@
const constants = require("./constants")
const pug = require("pug")
function timeToPastText(timestamp) {
const difference = Date.now() - timestamp
return [
@ -49,6 +52,43 @@ function normaliseVideoInfo(video) {
if (!video.second__viewCountText) {
video.second__viewCountText = viewCountToText(video.viewCount)
}
if (video.descriptionHtml) {
video.descriptionHtml = rewriteVideoDescription(video.descriptionHtml, video.videoId)
}
}
function rewriteVideoDescription(descriptionHtml, id) {
// replace timestamps to clickable links and rewrite youtube links to stay on the instance instead of pointing to YouTube
// test cases
// https://www.youtube.com/watch?v=VdPsJW6AHqc 00:00 timestamps, youtu.be/<videoid>
// https://www.youtube.com/watch?v=FDMq9ie0ih0 00:00 & 00:00:00 timestamps
// https://www.youtube.com/watch?v=fhum63fAwrI www.youtube.com/watch?v=<videoid>
// https://www.youtube.com/watch?v=i-szWOrc3Mo www.youtube.com/<channelname> (unsupported by cloudtube currently)
// https://www.youtube.com/watch?v=LSG71wbKpbQ www.youtube.com/channel/<id>
descriptionHtml = descriptionHtml.replace(new RegExp(`<a href="https?://(?:www\\.)?youtu\\.be/(${constants.regex.video_id})([^"]*)">([^<]+)</a>`, "g"), `<a href="/watch?v=$1$2">$3</a>`)
descriptionHtml = descriptionHtml.replace(new RegExp(`<a href="https?://(?:www\\.)?youtu(?:\\.be|be\\.com)/([^"]*)">([^<]+)<\/a>`, "g"), `<a href="/$1">$2</a>`)
descriptionHtml = descriptionHtml.replace(new RegExp(`(?:([0-9]*):)?([0-5]?[0-9]):([0-5][0-9])`, "g"), (_, hours, minutes, seconds) => {
let timeURL, timeDisplay, timeSeconds
if (hours === undefined) {
timeURL = `${minutes}m${seconds}s`
timeDisplay = `${minutes}:${seconds}`
timeSeconds = minutes*60 + + seconds
} else {
timeURL = `${hours}h${minutes}m${seconds}s`
timeDisplay = `${hours}:${minutes}:${seconds}`
timeSeconds = hours*60*60 + minutes*60 + + seconds
}
const params = new URLSearchParams()
params.set("v", id)
params.set("t", timeURL)
const url = "/watch?" + params
return pug.render(`a(href=url data-clickable-timestamp=timeSeconds)= timeDisplay`, {url, timeURL, timeDisplay, timeSeconds})
})
return descriptionHtml
}
/**
@ -125,6 +165,7 @@ function subscriberCountToText(count) {
module.exports.timeToPastText = timeToPastText
module.exports.lengthSecondsToLengthText = lengthSecondsToLengthText
module.exports.normaliseVideoInfo = normaliseVideoInfo
module.exports.rewriteVideoDescription = rewriteVideoDescription
module.exports.tToMediaFragment = tToMediaFragment
module.exports.viewCountToText = viewCountToText
module.exports.subscriberCountToText = subscriberCountToText