move methods

lib/github_changelog_generator.rb

@@ -20,33 +20,18 @@ module GitHubChangelogGenerator
   class ChangelogGenerator
     attr_accessor :options, :all_tags, :github
 
-    PER_PAGE_NUMBER = 30
-    GH_RATE_LIMIT_EXCEEDED_MSG = "Warning: GitHub API rate limit (5000 per hour) exceeded, change log may be " \
-        "missing some issues. You can limit the number of issues fetched using the `--max-issues NUM` argument."
-
     # Class, responsible for whole change log generation cycle
-    # @return initialised insance of ChangelogGenerator
+    # @return initialised instance of ChangelogGenerator
     def initialize
       @options = Parser.parse_options
 
       @fetcher = GitHubChangelogGenerator::Fetcher.new @options
 
-      github_options = { per_page: PER_PAGE_NUMBER }
+      @generator = Generator.new @options
-      github_options[:oauth_token] = @github_token unless @github_token.nil?
-      github_options[:endpoint] = options[:github_endpoint] unless options[:github_endpoint].nil?
-      github_options[:site] = options[:github_endpoint] unless options[:github_site].nil?
 
-      begin
+      @all_tags = @fetcher.get_filtered_tags
-        @github = Github.new github_options
-      rescue
-        puts GH_RATE_LIMIT_EXCEEDED_MSG.yellow
-      end
 
-      @generator = Generator.new(@options)
+      @issues, @pull_requests = @fetcher.fetch_issues_and_pull_requests
-
-      @all_tags = get_filtered_tags
-
-      @issues, @pull_requests = fetch_issues_and_pull_requests
 
       @pull_requests = @options[:pulls] ? get_filtered_pull_requests : []
 
@@ -57,22 +42,6 @@ module GitHubChangelogGenerator
       @tag_times_hash = {}
     end
 
-    # Return tags after filtering tags in lists provided by option: --between-tags & --exclude-tags
-    #
-    # @return [Array]
-    def get_filtered_tags
-      all_tags = get_all_tags
-      filtered_tags = []
-      if @options[:between_tags]
-        @options[:between_tags].each do |tag|
-          unless all_tags.include? tag
-            puts "Warning: can't find tag #{tag}, specified with --between-tags option.".yellow
-          end
-        end
-        filtered_tags = all_tags.select { |tag| @options[:between_tags].include? tag }
-      end
-      filtered_tags
-    end
 
     def detect_actual_closed_dates
       if @options[:verbose]
@@ -128,42 +97,6 @@ module GitHubChangelogGenerator
       puts JSON.pretty_generate(json)
     end
 
-    # This method fetch missing required attributes for pull requests
-    # :merged_at - is a date, when issue PR was merged.
-    # More correct to use this date, not closed date.
-    def fetch_merged_at_pull_requests
-      if @options[:verbose]
-        print "Fetching merged dates...\r"
-      end
-      pull_requests = []
-      begin
-        response = @github.pull_requests.list @options[:user], @options[:project], state: "closed"
-        page_i = 0
-        response.each_page do |page|
-          page_i += PER_PAGE_NUMBER
-          count_pages = response.count_pages
-          print "Fetching merged dates... #{page_i}/#{count_pages * PER_PAGE_NUMBER}\r"
-          pull_requests.concat(page)
-        end
-      rescue
-        puts GH_RATE_LIMIT_EXCEEDED_MSG.yellow
-      end
-
-      print "                                                   \r"
-
-      @pull_requests.each { |pr|
-        fetched_pr = pull_requests.find { |fpr|
-          fpr.number == pr.number
-        }
-        pr[:merged_at] = fetched_pr[:merged_at]
-        pull_requests.delete(fetched_pr)
-      }
-
-      if @options[:verbose]
-        puts "Fetching merged dates: Done!"
-      end
-    end
-
     # This method fetches missing params for PR and filter them by specified options
     # It include add all PR's with labels from @options[:include_labels] array
     # And exclude all from :exclude_labels array.
@@ -311,48 +244,6 @@ module GitHubChangelogGenerator
       end
     end
 
-    def get_all_tags
-      if @options[:verbose]
-        print "Fetching tags...\r"
-      end
-
-      tags = []
-
-      begin
-        response = @github.repos.tags @options[:user], @options[:project]
-        page_i = 0
-        count_pages = response.count_pages
-        response.each_page do |page|
-          page_i += PER_PAGE_NUMBER
-          print "Fetching tags... #{page_i}/#{count_pages * PER_PAGE_NUMBER}\r"
-          tags.concat(page)
-        end
-        print "                               \r"
-
-        if tags.count == 0
-          puts "Warning: Can't find any tags in repo. Make sure, that you push tags to remote repo via 'git push --tags'".yellow
-        elsif @options[:verbose]
-          puts "Found #{tags.count} tags"
-        end
-
-      rescue
-        puts GH_RATE_LIMIT_EXCEEDED_MSG.yellow
-      end
-
-      tags
-    end
-
-    def fetch_github_token
-      env_var = @options[:token] ? @options[:token] : (ENV.fetch "CHANGELOG_GITHUB_TOKEN", nil)
-
-      unless env_var
-        puts "Warning: No token provided (-t option) and variable $CHANGELOG_GITHUB_TOKEN was not found.".yellow
-        puts "This script can make only 50 requests per hour to GitHub API without a token!".yellow
-      end
-
-      @github_token ||= env_var
-    end
-
     # Generate log only between 2 specified tags
     # @param [String] older_tag all issues before this tag date will be excluded. May be nil, if it's first tag
     # @param [String] newer_tag all issue after this tag will be excluded. May be nil for unreleased section
@@ -584,42 +475,6 @@ module GitHubChangelogGenerator
 
       filtered_issues
     end
-
-    # This method fetch all closed issues and separate them to pull requests and pure issues
-    # (pull request is kind of issue in term of GitHub)
-    # @return [Tuple] with issues and pull requests
-    def fetch_issues_and_pull_requests
-      if @options[:verbose]
-        print "Fetching closed issues...\r"
-      end
-      issues = []
-
-      begin
-        response = @github.issues.list user: @options[:user], repo: @options[:project], state: "closed", filter: "all", labels: nil
-        page_i = 0
-        count_pages = response.count_pages
-        response.each_page do |page|
-          page_i += PER_PAGE_NUMBER
-          print "Fetching issues... #{page_i}/#{count_pages * PER_PAGE_NUMBER}\r"
-          issues.concat(page)
-          break if @options[:max_issues] && issues.length >= @options[:max_issues]
-        end
-      rescue
-        puts GH_RATE_LIMIT_EXCEEDED_MSG.yellow
-      end
-
-      print "                                                \r"
-
-      if @options[:verbose]
-        puts "Received issues: #{issues.count}"
-      end
-
-      # remove pull request from issues:
-      issues.partition { |x|
-        x[:pull_request].nil?
-      }
-    end
-
     def fetch_event_for_issues_and_pr
       if @options[:verbose]
         print "Fetching events for issues and PR: 0/#{@issues.count + @pull_requests.count}\r"

lib/github_changelog_generator/fetcher.rb

@@ -4,6 +4,10 @@ module GitHubChangelogGenerator
   # Example:
   # fetcher = GitHubChangelogGenerator::Fetcher.new options
   class Fetcher
+    PER_PAGE_NUMBER = 30
+    GH_RATE_LIMIT_EXCEEDED_MSG = "Warning: GitHub API rate limit (5000 per hour) exceeded, change log may be " \
+        "missing some issues. You can limit the number of issues fetched using the `--max-issues NUM` argument."
+
     def initialize(options = {})
       @options = options
 
@@ -36,5 +40,128 @@ module GitHubChangelogGenerator
 
       env_var
     end
+
+    # Fetch all tags from repo
+    # @return [Array] array of tags
+    def get_all_tags
+      if @options[:verbose]
+        print "Fetching tags...\r"
+      end
+
+      tags = []
+
+      begin
+        response = @github.repos.tags @options[:user], @options[:project]
+        page_i = 0
+        count_pages = response.count_pages
+        response.each_page do |page|
+          page_i += PER_PAGE_NUMBER
+          print "Fetching tags... #{page_i}/#{count_pages * PER_PAGE_NUMBER}\r"
+          tags.concat(page)
+        end
+        print "                               \r"
+
+        if tags.count == 0
+          puts "Warning: Can't find any tags in repo. Make sure, that you push tags to remote repo via 'git push --tags'".yellow
+        elsif @options[:verbose]
+          puts "Found #{tags.count} tags"
+        end
+
+      rescue
+        puts GH_RATE_LIMIT_EXCEEDED_MSG.yellow
+      end
+
+      tags
+    end
+
+    # Return tags after filtering tags in lists provided by option: --between-tags & --exclude-tags
+    #
+    # @return [Array]
+    def get_filtered_tags
+      all_tags = get_all_tags
+      filtered_tags = []
+      if @options[:between_tags]
+        @options[:between_tags].each do |tag|
+          unless all_tags.include? tag
+            puts "Warning: can't find tag #{tag}, specified with --between-tags option.".yellow
+          end
+        end
+        filtered_tags = all_tags.select { |tag| @options[:between_tags].include? tag }
+      end
+      filtered_tags
+    end
+
+    # This method fetch all closed issues and separate them to pull requests and pure issues
+    # (pull request is kind of issue in term of GitHub)
+    # @return [Tuple] with issues and pull requests
+    def fetch_issues_and_pull_requests
+      if @options[:verbose]
+        print "Fetching closed issues...\r"
+      end
+      issues = []
+
+      begin
+        response = @github.issues.list user: @options[:user], repo: @options[:project], state: "closed", filter: "all", labels: nil
+        page_i = 0
+        count_pages = response.count_pages
+        response.each_page do |page|
+          page_i += PER_PAGE_NUMBER
+          print "Fetching issues... #{page_i}/#{count_pages * PER_PAGE_NUMBER}\r"
+          issues.concat(page)
+          break if @options[:max_issues] && issues.length >= @options[:max_issues]
+        end
+      rescue
+        puts GH_RATE_LIMIT_EXCEEDED_MSG.yellow
+      end
+
+      print "                                                \r"
+
+      if @options[:verbose]
+        puts "Received issues: #{issues.count}"
+      end
+
+      # remove pull request from issues:
+      issues.partition { |x|
+        x[:pull_request].nil?
+      }
+    end
+
+
+    # This method fetch missing required attributes for pull requests
+    # :merged_at - is a date, when issue PR was merged.
+    # More correct to use this date, not closed date.
+    def fetch_merged_at_pull_requests
+      if @options[:verbose]
+        print "Fetching merged dates...\r"
+      end
+      pull_requests = []
+      begin
+        response = @github.pull_requests.list @options[:user], @options[:project], state: "closed"
+        page_i = 0
+        response.each_page do |page|
+          page_i += PER_PAGE_NUMBER
+          count_pages = response.count_pages
+          print "Fetching merged dates... #{page_i}/#{count_pages * PER_PAGE_NUMBER}\r"
+          pull_requests.concat(page)
+        end
+      rescue
+        puts GH_RATE_LIMIT_EXCEEDED_MSG.yellow
+      end
+
+      print "                                                   \r"
+
+      @pull_requests.each { |pr|
+        fetched_pr = pull_requests.find { |fpr|
+          fpr.number == pr.number
+        }
+        pr[:merged_at] = fetched_pr[:merged_at]
+        pull_requests.delete(fetched_pr)
+      }
+
+      if @options[:verbose]
+        puts "Fetching merged dates: Done!"
+      end
+    end
+
   end
 end