4chan-x/src/General/Post.coffee

205 lines
6.5 KiB
CoffeeScript

class Post
callbacks: []
toString: -> @ID
constructor: (root, @thread, @board, that={}) ->
@ID = +root.id[2..]
@fullID = "#{@board}.#{@ID}"
post = $ '.post', root
info = $ '.postInfo', post
@nodes =
root: root
post: post
info: info
comment: $ '.postMessage', post
quotelinks: []
backlinks: info.getElementsByClassName 'backlink'
unless @isReply = $.hasClass post, 'reply'
@thread.OP = @
@thread.isSticky = !!$ '.stickyIcon', info
@thread.isClosed = !!$ '.closedIcon', info
@info = {}
if subject = $ '.subject', info
@nodes.subject = subject
@info.subject = subject.textContent
if name = $ '.name', info
@nodes.name = name
@info.name = name.textContent
if email = $ '.useremail', info
@nodes.email = email
@info.email = decodeURIComponent email.href[7..]
if tripcode = $ '.postertrip', info
@nodes.tripcode = tripcode
@info.tripcode = tripcode.textContent
if uniqueID = $ '.posteruid', info
@nodes.uniqueID = uniqueID
@info.uniqueID = uniqueID.firstElementChild.textContent
if capcode = $ '.capcode.hand', info
@nodes.capcode = capcode
@info.capcode = capcode.textContent.replace '## ', ''
if flag = $ '.flag, .countryFlag', info
@nodes.flag = flag
@info.flag = flag.title
if date = $ '.dateTime', info
@nodes.date = date
@info.date = new Date date.dataset.utc * 1000
@parseComment()
@parseQuotes()
@parseFile(that)
@clones = []
g.posts[@fullID] = thread.posts[@] = board.posts[@] = @
@kill() if that.isArchived
parseComment: ->
# Merge text nodes and remove empty ones.
@nodes.comment.normalize()
# Get the comment's text.
# <br> -> \n
# Remove:
# 'Comment too long'...
# Admin/Mod/Dev replies. (/q/)
# EXIF data. (/p/)
# Rolls. (/tg/)
# Preceding and following new lines.
# Trailing spaces.
bq = @nodes.comment.cloneNode true
for node in $$ '.abbr, .capcodeReplies, .exif, b', bq
$.rm node
text = []
# XPathResult.ORDERED_NODE_SNAPSHOT_TYPE === 7
nodes = d.evaluate './/br|.//text()', bq, null, 7, null
for i in [0...nodes.snapshotLength]
text.push nodes.snapshotItem(i).data or '\n'
@info.comment = text.join('').trim().replace /\s+$/gm, ''
parseQuotes: ->
@quotes = []
for quotelink in $$ '.quotelink', @nodes.comment
@parseQuote quotelink
return
parseQuote: (quotelink) ->
# Only add quotes that link to posts on an imageboard.
# Don't add:
# - board links. (>>>/b/)
# - catalog links. (>>>/b/catalog or >>>/b/search)
# - rules links. (>>>/a/rules)
# - text-board quotelinks. (>>>/img/1234)
return unless match = quotelink.href.match ///
boards\.4chan\.org/
([^/]+) # boardID
/res/\d+#p
(\d+) # postID
$
///
@nodes.quotelinks.push quotelink
# Don't count capcode replies as quotes in OPs. (Admin/Mod/Dev Replies: ...)
return if @isClone or !@isReply and $.hasClass quotelink.parentNode.parentNode, 'capcodeReplies'
# ES6 Set when?
fullID = "#{match[1]}.#{match[2]}"
@quotes.push fullID if @quotes.indexOf(fullID) is -1
parseFile: (that) ->
return unless (fileEl = $ '.file', @nodes.post) and thumb = $ 'img[data-md5]', fileEl
# Supports JPG/PNG/GIF/PDF.
# Flash files are not supported.
alt = thumb.alt
anchor = thumb.parentNode
fileInfo = fileEl.firstElementChild
@file =
info: fileInfo
text: fileInfo.firstElementChild
thumb: thumb
URL: anchor.href
size: alt.match(/[\d.]+\s\w+/)[0]
MD5: thumb.dataset.md5
isSpoiler: $.hasClass anchor, 'imgspoiler'
size = +@file.size.match(/[\d.]+/)[0]
unit = ['B', 'KB', 'MB', 'GB'].indexOf @file.size.match(/\w+$/)[0]
size *= 1024 while unit-- > 0
@file.sizeInBytes = size
@file.thumbURL = if that.isArchived
thumb.src
else
"#{location.protocol}//thumbs.4chan.org/#{@board}/thumb/#{@file.URL.match(/(\d+)\./)[1]}s.jpg"
@file.name = $('span[title]', fileInfo).title
<% if (type === 'crx') { %>
# replace %22 with quotes, see:
# crbug.com/81193
# webk.it/62107
# https://www.w3.org/Bugs/Public/show_bug.cgi?id=16909
# http://www.whatwg.org/specs/web-apps/current-work/#multipart-form-data
@file.name = @file.name.replace /%22/g, '"'
<% } %>
if @file.isImage = /(jpg|png|gif)$/i.test @file.name
@file.dimensions = @file.text.textContent.match(/\d+x\d+/)[0]
kill: (file, now) ->
now or= new Date()
if file
return if @file.isDead
@file.isDead = true
@file.timeOfDeath = now
$.addClass @nodes.root, 'deleted-file'
else
return if @isDead
@isDead = true
@timeOfDeath = now
$.addClass @nodes.root, 'deleted-post'
unless strong = $ 'strong.warning', @nodes.info
strong = $.el 'strong',
className: 'warning'
textContent: if @isReply then '[Deleted]' else '[Dead]'
$.after $('input', @nodes.info), strong
strong.textContent = if file then '[File deleted]' else if @isReply then '[Deleted]' else '[Dead]'
return if @isClone
for clone in @clones
clone.kill file, now
return if file
# Get quotelinks/backlinks to this post
# and paint them (Dead).
for quotelink in Get.allQuotelinksLinkingTo @ when not $.hasClass quotelink, 'deadlink'
$.add quotelink, $.tn '\u00A0(Dead)'
$.addClass quotelink, 'deadlink'
return
# XXX tmp fix for 4chan's racing condition
# giving us false-positive dead posts.
resurrect: ->
delete @isDead
delete @timeOfDeath
$.rmClass @nodes.root, 'deleted-post'
strong = $ 'strong.warning', @nodes.info
# no false-positive files
if @file and @file.isDead
strong.textContent = '[File deleted]'
else
$.rm strong
return if @isClone
for clone in @clones
clone.resurrect()
for quotelink in Get.allQuotelinksLinkingTo @
if $.hasClass quotelink, 'deadlink'
quotelink.textContent = quotelink.textContent.replace '\u00A0(Dead)', ''
$.rmClass quotelink, 'deadlink'
return
addClone: (context) ->
new Clone @, context
rmClone: (index) ->
@clones.splice index, 1
for clone in @clones[index..]
clone.nodes.root.dataset.clone = index++
return