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

233 lines
7.9 KiB
CoffeeScript
Executable File

Get =
threadExcerpt: (thread) ->
{OP} = thread
excerpt = "/#{thread.board}/ - " + (
OP.info.subject?.trim() or
OP.info.comment.replace(/\n+/g, ' // ') or
Conf['Anonymize'] and 'Anonymous' or
$('.nameBlock', OP.nodes.info).textContent.trim())
return "#{excerpt[...70]}..." if excerpt.length > 73
excerpt
threadFromRoot: (root) ->
g.threads["#{g.BOARD}.#{root.id[1..]}"]
threadFromNode: (node) ->
Get.threadFromRoot $.x 'ancestor::div[@class="thread"]', node
postFromRoot: (root) ->
link = $ 'a[title="Link to this post"]', root
boardID = link.pathname.split('/')[1]
postID = link.hash[2..]
index = root.dataset.clone
post = g.posts["#{boardID}.#{postID}"]
if index then post.clones[index] else post
postFromNode: (root) ->
Get.postFromRoot $.x '(ancestor::div[contains(@class,"postContainer")][1]|following::div[contains(@class,"postContainer")][1])', root
contextFromNode: (node) ->
Get.postFromRoot $.x 'ancestor::div[parent::div[@class="thread"]][1]', node
postDataFromLink: (link) ->
if link.hostname is 'boards.4chan.org'
path = link.pathname.split '/'
boardID = path[1]
threadID = path[3]
postID = link.hash[2..]
else # resurrected quote
{boardID, threadID, postID} = link.dataset
threadID or= 0
return {
boardID: boardID
threadID: +threadID
postID: +postID
}
allQuotelinksLinkingTo: (post) ->
# Get quotelinks & backlinks linking to the given post.
quotelinks = []
{posts} = g
fullID = {post}
handleQuotes = (qPost, type) ->
quotelinks.push qPost.nodes[type]...
quotelinks.push clone.nodes[type]... for clone in qPost.clones
return
# First:
# In every posts,
# if it did quote this post,
# get all their backlinks.
posts.forEach (qPost) ->
if fullID in qPost.quotes
handleQuotes qPost, 'quotelinks'
# Second:
# If we have quote backlinks:
# in all posts this post quoted
# and their clones,
# get all of their backlinks.
if Conf['Quote Backlinks']
handleQuotes qPost, 'backlinks' for quote in post.quotes when qPost = posts[quote]
# Third:
# Filter out irrelevant quotelinks.
quotelinks.filter (quotelink) ->
{boardID, postID} = Get.postDataFromLink quotelink
boardID is post.board.ID and postID is post.ID
postClone: (boardID, threadID, postID, root, context) ->
if post = g.posts["#{boardID}.#{postID}"]
Get.insert post, root, context
return
root.textContent = "Loading post No.#{postID}..."
if threadID
$.cache "//a.4cdn.org/#{boardID}/thread/#{threadID}.json", ->
Get.fetchedPost @, boardID, threadID, postID, root, context
else if url = Redirect.to 'post', {boardID, postID}
$.cache url,
-> Get.archivedPost @, boardID, postID, root, context
,
responseType: 'json'
withCredentials: url.archive.withCredentials
insert: (post, root, context) ->
# Stop here if the container has been removed while loading.
return unless root.parentNode
clone = post.addClone context, ($.hasClass root, 'dialog')
Main.callbackNodes Clone, [clone]
# Get rid of the side arrows.
{nodes} = clone
$.rmAll nodes.root
$.add nodes.root, nodes.post
$.rmAll root
$.add root, nodes.root
fetchedPost: (req, boardID, threadID, postID, root, context) ->
# In case of multiple callbacks for the same request,
# don't parse the same original post more than once.
if post = g.posts["#{boardID}.#{postID}"]
Get.insert post, root, context
return
{status} = req
unless status in [200, 304]
# The thread can die by the time we check a quote.
if url = Redirect.to 'post', {boardID, postID}
$.cache url,
-> Get.archivedPost @, boardID, postID, root, context
,
responseType: 'json'
withCredentials: url.archive.withCredentials
else
$.addClass root, 'warning'
root.textContent =
if status is 404
"Thread No.#{threadID} 404'd."
else
"Error #{req.statusText} (#{req.status})."
return
{posts} = req.response
Build.spoilerRange[boardID] = posts[0].custom_spoiler
for post in posts
break if post.no is postID # we found it!
if post.no isnt postID
# The post can be deleted by the time we check a quote.
if url = Redirect.to 'post', {boardID, postID}
$.cache url,
-> Get.archivedPost @, boardID, postID, root, context
,
withCredentials: url.archive.withCredentials
else
$.addClass root, 'warning'
root.textContent = "Post No.#{postID} was not found."
return
board = g.boards[boardID] or
new Board boardID
thread = g.threads["#{boardID}.#{threadID}"] or
new Thread threadID, board
post = new Post Build.postFromObject(post, boardID), thread, board
Main.callbackNodes Post, [post]
Get.insert post, root, context
archivedPost: (req, boardID, postID, root, context) ->
# In case of multiple callbacks for the same request,
# don't parse the same original post more than once.
if post = g.posts["#{boardID}.#{postID}"]
Get.insert post, root, context
return
data = req.response
if data.error
$.addClass root, 'warning'
root.textContent = data.error
return
# convert comment to html
h_comment = Build.h_escape (data.comment or '')
# https://github.com/eksopl/fuuka/blob/master/Board/Yotsuba.pm#L413-452
# https://github.com/eksopl/asagi/blob/master/src/main/java/net/easymodo/asagi/Yotsuba.java#L109-138
h_comment = h_comment.replace ///
\n
|
\[/?[a-z]+(:lit)?\]
///g, Get.parseMarkup
h_comment = h_comment
# greentext
.replace(/(^|>)(&gt;[^<$]*)(<|$)/g, '$1<span class="quote">$2</span>$3')
# quotes
.replace /((&gt;){2}(&gt;\/[a-z\d]+\/)?\d+)/g, '<span class="deadlink">$1</span>'
threadID = +data.thread_num
o =
# id
postID: postID
threadID: threadID
boardID: boardID
# info
name: data.name
capcode: switch data.capcode
when 'M' then 'mod'
when 'A' then 'admin'
when 'D' then 'developer'
tripcode: data.trip
uniqueID: data.poster_hash
email: data.email or ''
subject: data.title
flagCode: data.poster_country
flagName: data.poster_country_name
date: data.fourchan_date
dateUTC: data.timestamp
h_comment: h_comment
# file
if data.media?.media_filename
o.file =
name: data.media.media_filename
timestamp: data.media.media_orig
url: data.media.media_link or data.media.remote_media_link
height: data.media.media_h
width: data.media.media_w
MD5: data.media.media_hash
size: data.media.media_size
turl: data.media.thumb_link or "//t.4cdn.org/#{boardID}/#{data.media.preview_orig}"
theight: data.media.preview_h
twidth: data.media.preview_w
isSpoiler: data.media.spoiler is '1'
board = g.boards[boardID] or
new Board boardID
thread = g.threads["#{boardID}.#{threadID}"] or
new Thread threadID, board
post = new Post Build.post(o, true), thread, board, {isArchived: true}
Main.callbackNodes Post, [post]
Get.insert post, root, context
parseMarkup: (text) ->
{
'\n': '<br>'
'[b]': '<b>'
'[/b]': '</b>'
'[spoiler]': '<s>'
'[/spoiler]': '</s>'
'[code]': '<pre class="prettyprint">'
'[/code]': '</pre>'
'[moot]': '<div style="padding:5px;margin-left:.5em;border-color:#faa;border:2px dashed rgba(255,0,0,.1);border-radius:2px">'
'[/moot]': '</div>'
'[banned]': '<strong style="color: red;">'
'[/banned]': '</strong>'
}[text] or text.replace ':lit', ''