[Feat] support auto upgrade

.gitignore

@@ -11,7 +11,10 @@
 /tmp/
 /vendor/
 /Output/
+/bin/.DS_Store
 .DS_Store
+.latestRunVersion
+latest.zip
 
 # Used by dotenv library to load environment variables.
 # .env

Gemfile

@@ -1,4 +1,5 @@
 source 'https://rubygems.org'
 gem 'net-http', '~> 0.1.0'
 gem 'nokogiri', '~> 1.13.1'
-gem 'reverse_markdown', '~> 2.1.1'
+gem 'reverse_markdown', '~> 2.1.1'
+gem 'rubyzip', '~> 2.3.2'

Gemfile.lock

@@ -11,6 +11,7 @@ GEM
     racc (1.6.0)
     reverse_markdown (2.1.1)
       nokogiri
+    rubyzip (2.3.2)
     timeout (0.2.0)
     uri (0.11.0)
 
@@ -21,6 +22,7 @@ DEPENDENCIES
   net-http (~> 0.1.0)
   nokogiri (~> 1.13.1)
   reverse_markdown (~> 2.1.1)
+  rubyzip (~> 2.3.2)
 
 BUNDLED WITH
    2.3.13

README.md

@@ -19,6 +19,10 @@ You can also use [Github Action](https://github.com/features/actions) as the aut
 - [X] Auto skip when post has been downloaded and last modification date from Medium doesn't changed (convenient for auto-sync or auto-backup service, to save server's bandwidth and execution time)
 - [X] Highly optimized markdown format for Medium
 
+## Example
+- [Original post on Medium](https://medium.com/pinkoi-engineering/%E5%AF%A6%E6%88%B0%E7%B4%80%E9%8C%84-4-%E5%80%8B%E5%A0%B4%E6%99%AF-7-%E5%80%8B-design-patterns-78507a8de6a5)
+- [Downloaded & Converted Output Result](example/實戰紀錄-4-個場景-7-個-design-patterns-78507a8de6a5.md)
+
 ## Setup
 ### If you are familiar with ruby:
 1. make sure you have Ruby in your environment (I use `2.6.5p114`)
@@ -41,29 +45,31 @@ You can also use [Github Action](https://github.com/features/actions) as the aut
 10. use `bundle exec ruby [USAGE Command]` in the furture (USAGE Command write down below)
 
 ## Usage
-Execute File: `./bin/ZMediumFetcher`
+Execute File: `./bin/ZMediumToMarkdown`
 
 ### Downloading all posts from any user
 ```
-bundle exec ruby bin/ZMediumFetcher -u [USEERNAME]
+bundle exec ruby bin/ZMediumToMarkdown -u [USEERNAME]
 ```
 ![image](https://user-images.githubusercontent.com/33706588/170810772-ec7cd618-d208-4fca-9fe5-9ae6ee745951.png)
 
 ### Downloading single post
 ```
-bundle exec ruby bin/ZMediumFetcher -p [MEDIUM POST URL]
+bundle exec ruby bin/ZMediumToMarkdown -p [MEDIUM POST URL]
 ```
 ![image](https://user-images.githubusercontent.com/33706588/170810799-7da207ff-0642-4beb-9b3a-6af11d6e918d.png)
 
+### Update to latest version
+```
+bundle exec ruby bin/ZMediumToMarkdown -n
+```
+
 ## Output
 ### Where can I find the results of the downloaded post?
 The default path of the downloaded post will be in the `./Output` directory.
 - Downloading all posts from user：`./Ouput/users/[USERNAME]/posts/[POST_PATH_NAME]`
 - Downloading single post：`./Ouput/posts/[POST_PATH_NAME]`
 - Post's images：`[POST_PATH_NAME]/images/[POST_ID]/[IMAGE_PATH_NAME]`
-### Example
-- [Original post on Medium](https://medium.com/pinkoi-engineering/%E5%AF%A6%E6%88%B0%E7%B4%80%E9%8C%84-4-%E5%80%8B%E5%A0%B4%E6%99%AF-7-%E5%80%8B-design-patterns-78507a8de6a5)
-- [Downloaded & Converted Output Result](example/實戰紀錄-4-個場景-7-個-design-patterns-78507a8de6a5.md)
 
 ## Disclaimer
 This repository is for research purposes only, the use of this code is your responsibility.

ZMediumToMarkdown.gemspec

@@ -4,9 +4,9 @@ Gem::Specification.new do |gem|
     gem.summary       = 'This project can help you to make an auto-sync or auto-backup service from Medium, like auto-sync Medium posts to Jekyll or other static markdown blog engines or auto-backup Medium posts to the Github page.'
     gem.homepage      = 'https://github.com/ZhgChgLi/ZMediumToMarkdown'
     gem.files         = Dir['lib/**/*.*']
-    gem.executables   = ['ZMediumFetcher']
+    gem.executables   = ['ZMediumToMarkdown']
     gem.name          = 'ZMediumToMarkdown'
-    gem.version       = '1.1.0'
+    gem.version       = '1.2.0'
 
     gem.license       = "MIT"
 

bin/ZMediumToMarkdown

@@ -0,0 +1,59 @@
+#!/usr/bin/env ruby
+# -*- coding: utf-8 -*-
+
+$lib = File.expand_path('../lib', File.dirname(__FILE__))
+$LOAD_PATH.unshift($lib)
+
+require "ZMediumFetcher"
+require "Helper"
+require "optparse"
+
+class Main
+    def initialize
+        fetcher = ZMediumFetcher.new
+        ARGV << '-h' if ARGV.empty?
+        OptionParser.new do |opts|
+            opts.banner = "Usage: ZMediumFetcher [options]"
+
+            opts.on('-uUSERNAME', '--username=USERNAME', 'test') do |username|
+                Helper.checkNewVersion()
+
+                pathPolicy = PathPolicy.new("#{File.expand_path('../', File.dirname(__FILE__))}", "Output")
+                fetcher.downloadPostsByUsername(username, pathPolicy)
+            end
+
+            opts.on('-pPOST_URL', '--postURL=POST_URL', 'test') do |postURL|
+                Helper.checkNewVersion()
+
+                pathPolicy = PathPolicy.new("#{File.expand_path('../', File.dirname(__FILE__))}", "Output")
+                fetcher.downloadPost(postURL, pathPolicy)
+            end
+
+            opts.on('-n', '--new', 'Update to latest version') do |postURL|
+                if Helper.compareVersion(Helper.getRemoteVersionFromGithub(), Helper.getLocalVersionFromGemspec())
+                    Helper.downloadLatestVersion()
+                else
+                    puts "You're using the latest version :)"
+                end
+            end
+
+        end.parse!
+
+        Helper.logLatestRunVersion()
+    end
+end
+
+begin 
+    puts "#https://github.com/ZhgChgLi/ZMediumToMarkdown"
+    puts "You have read and agree with the Disclaimer."
+    Main.new()
+    puts "Execute Successfully!!!"
+    puts "#https://github.com/ZhgChgLi/ZMediumToMarkdown"
+    puts "#Thanks for using this tool."
+    puts "#If this is helpful, please help to star the repo or recommend it to your friends."
+rescue => e
+    puts "#Error: #{e.class} #{e.message}\n"
+    puts e.backtrace
+    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"
+end

lib/Helper.rb

@@ -1,9 +1,30 @@
 $lib = File.expand_path('../lib', File.dirname(__FILE__))
 
+require 'fileutils'
 require 'date'
+require 'PathPolicy'
 require 'Post'
+require "Request"
+require 'json'
+require 'open-uri'
+require 'zip'
 
 class Helper
+
+    class Version
+        attr_accessor :major, :minor, :patch
+
+        def initialize(major, minor, patch)
+            @major = major.to_i
+            @minor = minor.to_i
+            @patch = patch.to_i
+        end
+
+        def to_string()
+            "#{major.to_s}.#{minor.to_s}.#{patch.to_s}"
+        end
+    end
+
     def self.createDirIfNotExist(dirPath)
         dirs = dirPath.split("/")
         currentDir = ""
@@ -24,6 +45,45 @@ def self.makeWarningText(message)
         puts "####################################################\n"
     end
 
+    def self.downloadLatestVersion()
+        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!"
+    end
+
     def self.createPostInfo(postInfo)
         result = "---\n"
         result += "title: #{postInfo.title}\n"
@@ -36,6 +96,89 @@ def self.createPostInfo(postInfo)
         result
     end
 
+    def self.checkNewVersion() 
+        if Helper.compareVersion(Helper.getRemoteVersionFromGithub(), Helper.getLocalVersionFromGemspec())
+            puts "##########################################################"
+            puts "#####           New Version Available!!!             #####"
+            puts "##### Please type `bin/ZMediumToMarkdown -n` to update!!##"
+            puts "##########################################################"
+        end
+    end
+
+    def self.getLocalVersionFromGemspec()
+        rootPath = File.expand_path('../', File.dirname(__FILE__))
+        gemspecContent = File.read("#{rootPath}/ZMediumToMarkdown.gemspec")
+        result = gemspecContent[/(gem\.version){1}\s+(\=)\s+(\'){1}(\d+(\.){1}\d+(\.){1}\d+){1}(\'){1}/, 4]
+
+        if !result.nil?
+            versions = result.split(".")
+            Version.new(versions[0],versions[1],versions[2])
+        else
+            nil
+        end
+    end
+
+    def self.logLatestRunVersion()
+        version = Helper.getLocalVersionFromGemspec()
+        rootPath = File.expand_path('../', File.dirname(__FILE__))
+
+        File.open("#{rootPath}/.latestRunVersion" , 'w+') do |file|
+            file.puts(version.to_string())
+        end
+    end
+
+    def self.getLocalVersionFromFile()
+        rootPath = File.expand_path('../', File.dirname(__FILE__))
+        result = File.read("#{rootPath}/.latestRunVersion")
+
+        if !result.nil?
+            versions = result.split(".")
+            Version.new(versions[0],versions[1],versions[2])
+        else
+            nil
+        end
+    end
+
+    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?
+            versions = (tagName.downcase.gsub! 'v','') .split(".")
+            Version.new(versions[0],versions[1],versions[2])
+        else
+            nil
+        end
+    end
+
+    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
+
+
     def self.createWatermark(postURL)
         text = "\r\n\r\n\r\n"
         text += "+-----------------------------------------------------------------------------------+"