invidious/src/invidious/comments/content.cr

90 lines
3.6 KiB
Crystal

def text_to_parsed_content(text : String) : JSON::Any
nodes = [] of JSON::Any
# For each line convert line to array of nodes
text.split('\n').each do |line|
# In first case line is just a simple node before
# check patterns inside line
# { 'text': line }
currentNodes = [] of JSON::Any
initialNode = {"text" => line}
currentNodes << (JSON.parse(initialNode.to_json))
# For each match with url pattern, get last node and preserve
# last node before create new node with url information
# { 'text': match, 'navigationEndpoint': { 'urlEndpoint' : 'url': match } }
line.scan(/https?:\/\/[^ ]*/).each do |urlMatch|
# Retrieve last node and update node without match
lastNode = currentNodes[currentNodes.size - 1].as_h
splittedLastNode = lastNode["text"].as_s.split(urlMatch[0])
lastNode["text"] = JSON.parse(splittedLastNode[0].to_json)
currentNodes[currentNodes.size - 1] = JSON.parse(lastNode.to_json)
# Create new node with match and navigation infos
currentNode = {"text" => urlMatch[0], "navigationEndpoint" => {"urlEndpoint" => {"url" => urlMatch[0]}}}
currentNodes << (JSON.parse(currentNode.to_json))
# If text remain after match create new simple node with text after match
afterNode = {"text" => splittedLastNode.size > 1 ? splittedLastNode[1] : ""}
currentNodes << (JSON.parse(afterNode.to_json))
end
# After processing of matches inside line
# Add \n at end of last node for preserve carriage return
lastNode = currentNodes[currentNodes.size - 1].as_h
lastNode["text"] = JSON.parse("#{currentNodes[currentNodes.size - 1]["text"]}\n".to_json)
currentNodes[currentNodes.size - 1] = JSON.parse(lastNode.to_json)
# Finally add final nodes to nodes returned
currentNodes.each do |node|
nodes << (node)
end
end
return JSON.parse({"runs" => nodes}.to_json)
end
def parse_content(content : JSON::Any, video_id : String? = "") : String
content["simpleText"]?.try &.as_s.rchop('\ufeff').try { |b| HTML.escape(b) }.to_s ||
content["runs"]?.try &.as_a.try { |r| content_to_comment_html(r, video_id).try &.to_s.gsub("\n", "<br>") } || ""
end
def content_to_comment_html(content, video_id : String? = "")
html_array = content.map do |run|
# Sometimes, there is an empty element.
# See: https://github.com/iv-org/invidious/issues/3096
next if run.as_h.empty?
text = HTML.escape(run["text"].as_s)
if navigationEndpoint = run.dig?("navigationEndpoint")
text = parse_link_endpoint(navigationEndpoint, text, video_id)
end
text = "<b>#{text}</b>" if run["bold"]?
text = "<s>#{text}</s>" if run["strikethrough"]?
text = "<i>#{text}</i>" if run["italics"]?
# check for custom emojis
if run["emoji"]?
if run["emoji"]["isCustomEmoji"]?.try &.as_bool
if emoji_image = run.dig?("emoji", "image")
emoji_alt = emoji_image.dig?("accessibility", "accessibilityData", "label").try &.as_s || text
emoji_thumb = emoji_image["thumbnails"][0]
text = String.build do |str|
str << %(<img alt=") << emoji_alt << "\" "
str << %(src="/ggpht) << URI.parse(emoji_thumb["url"].as_s).request_target << "\" "
str << %(title=") << emoji_alt << "\" "
str << %(width=") << emoji_thumb["width"] << "\" "
str << %(height=") << emoji_thumb["height"] << "\" "
str << %(class="channel-emoji" />)
end
else
# Hide deleted channel emoji
text = ""
end
end
end
text
end
return html_array.join("").delete('\ufeff')
end