analyzer.rb in how_is-9.0.0

- old
+ new
@@ -1,170 +1,170 @@
-require 'contracts'
-require 'ostruct'
-require 'date'
-require 'json'
-
-module HowIs
-  ##
-  # Represents a completed analysis of the repository being analyzed.
-  class Analysis < OpenStruct
-  end
-
-  class Analyzer
-    include Contracts::Core
-
-    class UnsupportedImportFormat < StandardError
-      def initialize(format)
-        super("Unsupported import format: #{format}")
-      end
-    end
-
-    Contract Fetcher::Results, C::KeywordArgs[analysis_class: C::Optional[Class]] => Analysis
-    def call(data, analysis_class: Analysis)
-      issues = data.issues
-      pulls = data.pulls
-
-      analysis_class.new(
-        issues_url: "https://github.com/#{data.repository}/issues",
-        pulls_url: "https://github.com/#{data.repository}/pulls",
-
-        repository: data.repository,
-
-        number_of_issues:  issues.length,
-        number_of_pulls:   pulls.length,
-
-        issues_with_label: with_label_links(num_with_label(issues), data.repository),
-        issues_with_no_label: {link: nil, total: num_with_no_label(issues)},
-
-        average_issue_age: average_age_for(issues),
-        average_pull_age:  average_age_for(pulls),
-
-        oldest_issue: issue_or_pull_to_hash(oldest_for(issues)),
-        oldest_pull: issue_or_pull_to_hash(oldest_for(pulls)),
-      )
-    end
-
-    def from_file(file)
-      extension = file.split('.').last
-      raise UnsupportedImportFormat, extension unless extension == 'json'
-
-      hash = JSON.parse(open(file).read)
-      hash = hash.map do |k, v|
-        v = DateTime.parse(v) if k.end_with?('_date')
-
-        [k, v]
-      end.to_h
-
-      %w[oldest_issue oldest_pull].each do |key|
-        hash[key]['date'] = DateTime.parse(hash[key]['date'])
-      end
-
-      Analysis.new(hash)
-    end
-
-    # Given an Array of issues or pulls, return a Hash specifying how many
-    # issues or pulls use each label.
-    def num_with_label(issues_or_pulls)
-      # Returned hash maps labels to frequency.
-      # E.g., given 10 issues/pulls with label "label1" and 5 with label "label2",
-      # {
-      #   "label1" => 10,
-      #   "label2" => 5
-      # }
-
-      hash = Hash.new(0)
-      issues_or_pulls.each do |iop|
-        next unless iop['labels']
-
-        iop['labels'].each do |label|
-          hash[label['name']] += 1
-        end
-      end
-      hash
-    end
-
-    def num_with_no_label(issues)
-      issues.select { |x| x['labels'].empty? }.length
-    end
-
-    def average_date_for(issues_or_pulls)
-      timestamps = issues_or_pulls.map { |iop| Date.parse(iop['created_at']).strftime('%s').to_i }
-      average_timestamp = timestamps.reduce(:+) / issues_or_pulls.length
-
-      DateTime.strptime(average_timestamp.to_s, '%s')
-    end
-
-    # Given an Array of issues or pulls, return the average age of them.
-    def average_age_for(issues_or_pulls)
-      ages = issues_or_pulls.map {|iop| time_ago_in_seconds(iop['created_at'])}
-      raw_average = ages.reduce(:+) / ages.length
-
-      seconds_in_a_year = 31_556_926
-      seconds_in_a_month = 2_629_743
-      seconds_in_a_week = 604_800
-      seconds_in_a_day = 86_400
-
-      years = raw_average / seconds_in_a_year
-      years_remainder = raw_average % seconds_in_a_year
-
-      months = years_remainder / seconds_in_a_month
-      months_remainder = years_remainder % seconds_in_a_month
-
-      weeks = months_remainder / seconds_in_a_week
-      weeks_remainder = months_remainder % seconds_in_a_week
-
-      days = weeks_remainder / seconds_in_a_day
-
-      values = [
-        [years, "year"],
-        [months, "month"],
-        [weeks, "week"],
-        [days, "day"],
-      ].reject {|(v, k)| v == 0}.map{ |(v,k)|
-        k = k + 's' if v != 1
-        [v, k]
-      }
-
-      most_significant = values[0, 2].map {|x| x.join(" ")}
-
-      if most_significant.length < 2
-        value = most_significant.first
-      else
-        value = most_significant.join(" and ")
-      end
-
-      "approximately #{value}"
-    end
-
-    # Given an Array of issues or pulls, return the creation date of the oldest.
-    def oldest_for(issues_or_pulls)
-      issues_or_pulls.sort_by {|x| DateTime.parse(x['created_at']) }.first
-    end
-
-    def date_for(issue_or_pull)
-      DateTime.parse(issue_or_pull['created_at'])
-    end
-
-  private
-    def with_label_links(labels, repository)
-      labels.map do |label, num_issues|
-        label_link = "https://github.com/#{repository}/issues?q=" + CGI.escape("is:open is:issue label:\"#{label}\"")
-
-        [label, {link: label_link, total: num_issues}]
-      end.to_h
-    end
-
-    def time_ago_in_seconds(x)
-      DateTime.now.strftime("%s").to_i - DateTime.parse(x).strftime("%s").to_i
-    end
-
-    def issue_or_pull_to_hash(iop)
-      ret = {}
-
-      ret[:html_url] = iop['html_url']
-      ret[:number] = iop['number']
-      ret[:date] = date_for(iop)
-
-      ret
-    end
-  end
-end
+require 'contracts'
+require 'ostruct'
+require 'date'
+require 'json'
+
+module HowIs
+  ##
+  # Represents a completed analysis of the repository being analyzed.
+  class Analysis < OpenStruct
+  end
+
+  class Analyzer
+    include Contracts::Core
+
+    class UnsupportedImportFormat < StandardError
+      def initialize(format)
+        super("Unsupported import format: #{format}")
+      end
+    end
+
+    Contract Fetcher::Results, C::KeywordArgs[analysis_class: C::Optional[Class]] => Analysis
+    def call(data, analysis_class: Analysis)
+      issues = data.issues
+      pulls = data.pulls
+
+      analysis_class.new(
+        issues_url: "https://github.com/#{data.repository}/issues",
+        pulls_url: "https://github.com/#{data.repository}/pulls",
+
+        repository: data.repository,
+
+        number_of_issues:  issues.length,
+        number_of_pulls:   pulls.length,
+
+        issues_with_label: with_label_links(num_with_label(issues), data.repository),
+        issues_with_no_label: {'link' => nil, 'total' => num_with_no_label(issues)},
+
+        average_issue_age: average_age_for(issues),
+        average_pull_age:  average_age_for(pulls),
+
+        oldest_issue: issue_or_pull_to_hash(oldest_for(issues)),
+        oldest_pull: issue_or_pull_to_hash(oldest_for(pulls)),
+      )
+    end
+
+    def from_file(file)
+      extension = file.split('.').last
+      raise UnsupportedImportFormat, extension unless extension == 'json'
+
+      hash = JSON.parse(open(file).read)
+      hash = hash.map do |k, v|
+        v = DateTime.parse(v) if k.end_with?('_date')
+
+        [k, v]
+      end.to_h
+
+      %w[oldest_issue oldest_pull].each do |key|
+        hash[key]['date'] = DateTime.parse(hash[key]['date'])
+      end
+
+      Analysis.new(hash)
+    end
+
+    # Given an Array of issues or pulls, return a Hash specifying how many
+    # issues or pulls use each label.
+    def num_with_label(issues_or_pulls)
+      # Returned hash maps labels to frequency.
+      # E.g., given 10 issues/pulls with label "label1" and 5 with label "label2",
+      # {
+      #   "label1" => 10,
+      #   "label2" => 5
+      # }
+
+      hash = Hash.new(0)
+      issues_or_pulls.each do |iop|
+        next unless iop['labels']
+
+        iop['labels'].each do |label|
+          hash[label['name']] += 1
+        end
+      end
+      hash
+    end
+
+    def num_with_no_label(issues)
+      issues.select { |x| x['labels'].empty? }.length
+    end
+
+    def average_date_for(issues_or_pulls)
+      timestamps = issues_or_pulls.map { |iop| Date.parse(iop['created_at']).strftime('%s').to_i }
+      average_timestamp = timestamps.reduce(:+) / issues_or_pulls.length
+
+      DateTime.strptime(average_timestamp.to_s, '%s')
+    end
+
+    # Given an Array of issues or pulls, return the average age of them.
+    def average_age_for(issues_or_pulls)
+      ages = issues_or_pulls.map {|iop| time_ago_in_seconds(iop['created_at'])}
+      raw_average = ages.reduce(:+) / ages.length
+
+      seconds_in_a_year = 31_556_926
+      seconds_in_a_month = 2_629_743
+      seconds_in_a_week = 604_800
+      seconds_in_a_day = 86_400
+
+      years = raw_average / seconds_in_a_year
+      years_remainder = raw_average % seconds_in_a_year
+
+      months = years_remainder / seconds_in_a_month
+      months_remainder = years_remainder % seconds_in_a_month
+
+      weeks = months_remainder / seconds_in_a_week
+      weeks_remainder = months_remainder % seconds_in_a_week
+
+      days = weeks_remainder / seconds_in_a_day
+
+      values = [
+        [years, "year"],
+        [months, "month"],
+        [weeks, "week"],
+        [days, "day"],
+      ].reject {|(v, k)| v == 0}.map{ |(v,k)|
+        k = k + 's' if v != 1
+        [v, k]
+      }
+
+      most_significant = values[0, 2].map {|x| x.join(" ")}
+
+      if most_significant.length < 2
+        value = most_significant.first
+      else
+        value = most_significant.join(" and ")
+      end
+
+      "approximately #{value}"
+    end
+
+    # Given an Array of issues or pulls, return the creation date of the oldest.
+    def oldest_for(issues_or_pulls)
+      issues_or_pulls.sort_by {|x| DateTime.parse(x['created_at']) }.first
+    end
+
+    def date_for(issue_or_pull)
+      DateTime.parse(issue_or_pull['created_at'])
+    end
+
+  private
+    def with_label_links(labels, repository)
+      labels.map do |label, num_issues|
+        label_link = "https://github.com/#{repository}/issues?q=" + CGI.escape("is:open is:issue label:\"#{label}\"")
+
+        [label, {'link' => label_link, 'total' => num_issues}]
+      end.to_h
+    end
+
+    def time_ago_in_seconds(x)
+      DateTime.now.strftime("%s").to_i - DateTime.parse(x).strftime("%s").to_i
+    end
+
+    def issue_or_pull_to_hash(iop)
+      ret = {}
+
+      ret['html_url'] = iop['html_url']
+      ret['number'] = iop['number']
+      ret['date'] = date_for(iop)
+
+      ret
+    end
+  end
+end