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