Class: Helper

Inherits:
Object
  • Object
show all
Defined in:
lib/Helper.rb

Class Method Summary collapse

Class Method Details

.compareVersion(version1, version2) ⇒ Object 



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# File 'lib/Helper.rb', line 175

def self.compareVersion(version1, version2)
    if version1.major > version2.major
        true
    else
        if version1.minor > version2.minor
            true
        else
            if version1.patch > version2.patch
                true
            else
                false
            end
        end
    end
end

.createDirIfNotExist(dirPath) ⇒ Object 



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# File 'lib/Helper.rb', line 36

def self.createDirIfNotExist(dirPath)
    dirs = dirPath.split("/")
    currentDir = ""
    begin
        dir = dirs.shift
        currentDir = "#{currentDir}/#{dir}"
        Dir.mkdir(currentDir) unless File.exists?(currentDir)
    end while dirs.length > 0
end

.createPostInfo(postInfo, isForJekyll) ⇒ Object 



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# File 'lib/Helper.rb', line 101

def self.createPostInfo(postInfo, isForJekyll)
    title = postInfo.title.gsub("[","")
    title = title.gsub("]","")

    result = "---\n"
    result += "title: #{title}\n"
    result += "author: #{postInfo.creator}\n"
    result += "date: #{postInfo.firstPublishedAt.strftime('%Y-%m-%dT%H:%M:%S.%L%z')}\n"
    result += "last_modified_at: #{postInfo.latestPublishedAt.strftime('%Y-%m-%dT%H:%M:%S.%L%z')}\n"
    result += "categories: #{postInfo.collectionName}\n"
    result += "tags: [#{postInfo.tags.join(",")}]\n"
    result += "description: #{postInfo.description}\n"
    if !postInfo.previewImage.nil?
        result += "image:\r\n"
        result += "  path: #{postInfo.previewImage}\r\n"
    end
    if isForJekyll
        result += "render_with_liquid: false\n"
    end
    result += "---\n"
    result += "\r\n"

    result
end

.createWatermark(postURL, isForJekyll) ⇒ Object 



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# File 'lib/Helper.rb', line 192

def self.createWatermark(postURL, isForJekyll)
    jekyllOpen = ""
    if isForJekyll
        jekyllOpen = "{:target=\"_blank\"}"
    end

    text = "\r\n\r\n\r\n"
    text += "_[Post](#{postURL})#{jekyllOpen} converted from Medium by [ZMediumToMarkdown](https://github.com/ZhgChgLi/ZMediumToMarkdown)#{jekyllOpen}._"
    text += "\r\n"

    text
end

.downloadLatestVersion ⇒ Object 



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# File 'lib/Helper.rb', line 56

def self.downloadLatestVersion()
    rootPath = File.expand_path('../', File.dirname(__FILE__))
    
    if File.file?("#{rootPath}/ZMediumToMarkdown.gemspec")
        apiPath = 'https://api.github.com/repos/ZhgChgLi/ZMediumToMarkdown/releases'
        versions = JSON.parse(Request.URL(apiPath).body).sort { |a,b| b["id"] <=> a["id"] }

        version = nil
        index = 0
        while version == nil do
            thisVersion = versions[index]
            if thisVersion["prerelease"] == false
                version = thisVersion
                next
            end
            index += 1
        end
        
        zipFilePath = version["zipball_url"]
        puts "Downloading latest version from github..."
        open('latest.zip', 'wb') do |fo|
            fo.print open(zipFilePath).read
        end

        puts "Unzip..."
        Zip::File.open("latest.zip") do |zipfile|
            zipfile.each do |file|
                fileNames = file.name.split("/")
                fileNames.shift
                filePath = fileNames.join("/")
                if filePath != ''
                    puts "Unzinp...#{filePath}"
                    zipfile.extract(file, filePath) { true }
                end
            end
        end
        File.delete("latest.zip")

        tagName = version["tag_name"]
        puts "Update to version #{tagName} successfully!"
    else
        system("gem update ZMediumToMarkdown")
    end
end

.escapeHTML(text) ⇒ Object 



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# File 'lib/Helper.rb', line 26

def self.escapeHTML(text)
    if text == "<"
        "&lt;"
    elsif text == ">"
        "&gt;"
    else
        text
    end
end

.escapeMarkdown(text) ⇒ Object 



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# File 'lib/Helper.rb', line 22

def self.escapeMarkdown(text)
    text.gsub(/(\*|_|`|\||\\|\{|\}|\[|\]|\(|\)|#|\+|\-|\.|\!)/){ |x| "\\#{x}" }
end

.fetchOGImage(url) ⇒ Object 



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# File 'lib/Helper.rb', line 15

def self.fetchOGImage(url)
    html = Request.html(Request.URL(url))
    return "" unless html
    image = html.search("meta[property='og:image']")
    image.attribute('content') || ""
end

.getLocalVersion ⇒ Object 



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# File 'lib/Helper.rb', line 135

def self.getLocalVersion()
    rootPath = File.expand_path('../', File.dirname(__FILE__))
    
    result = nil
    if File.file?("#{rootPath}/ZMediumToMarkdown.gemspec")
        gemspecContent = File.read("#{rootPath}/ZMediumToMarkdown.gemspec")
        result = gemspecContent[/(gem\.version){1}\s+(\=)\s+(\'){1}(\d+(\.){1}\d+(\.){1}\d+){1}(\'){1}/, 4]
    else
        result = Gem.loaded_specs["ZMediumToMarkdown"].version.version
    end

    if !result.nil?
        Gem::Version.new(result)
    else
        nil
    end
end

.getRemoteVersionFromGithub ⇒ Object 



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# File 'lib/Helper.rb', line 153

def self.getRemoteVersionFromGithub()
    apiPath = 'https://api.github.com/repos/ZhgChgLi/ZMediumToMarkdown/releases'
    versions = JSON.parse(Request.URL(apiPath).body).sort { |a,b| b["id"] <=> a["id"] }

    tagName = nil
    index = 0
    while tagName == nil do
        thisVersion = versions[index]
        if thisVersion["prerelease"] == false
            tagName = thisVersion["tag_name"]
            next
        end
        index += 1
    end

    if !tagName.nil?
        Gem::Version.new(tagName.downcase.gsub! 'v','')
    else
        nil
    end
end

.makeWarningText(message) ⇒ Object 



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# File 'lib/Helper.rb', line 46

def self.makeWarningText(message)
    puts "####################################################\n"
    puts "#WARNING:\n"
    puts "##{message}\n"
    puts "#--------------------------------------------------#\n"
    puts "#Please feel free to open an Issue or submit a fix/contribution via Pull Request on:\n"
    puts "#https://github.com/ZhgChgLi/ZMediumToMarkdown\n"
    puts "####################################################\n"
end

.printNewVersionMessageIfExists ⇒ Object 



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# File 'lib/Helper.rb', line 126

def self.printNewVersionMessageIfExists() 
    if Helper.getRemoteVersionFromGithub() > Helper.getLocalVersion()
        puts "##########################################################"
        puts "#####           New Version Available!!!             #####"
        puts "##### Please type `ZMediumToMarkdown -n` to update!! #####"
        puts "##########################################################"
    end
end