formula_builder.rb in fontist-1.5.0

- old
+ new

@@ -37,11 +37,11 @@
         @both_fonts ||= group_fonts
       end
 
       def group_fonts
         files = (@font_files + @font_collection_files.map(&:fonts)).flatten
-        raise FontNotFoundError, "No font found" if files.empty?
+        raise Errors::FontNotFoundError, "No font found" if files.empty?
 
         files
       end
 
       def description
@@ -53,13 +53,54 @@
       end
 
       def resources
         filename = name.gsub(" ", "_") + "." + @extractor.extension
 
-        options = { urls: [@url] + (@options[:mirror] || []),
-                    sha256: Digest::SHA256.file(@archive).to_s }
+        { filename => resource_options }
+      end
 
-        { filename => options }
+      def resource_options
+        urls = []
+        sha = []
+        downloads do |url, path|
+          urls << url
+          sha << Digest::SHA256.file(path).to_s
+        end
+
+        sha = prepare_sha256(sha)
+
+        { urls: urls, sha256: sha }
+      end
+
+      def downloads
+        yield @url, @archive
+
+        mirrors.each do |url|
+          path = download(url)
+          next unless path
+
+          yield url, path
+        end
+      end
+
+      def mirrors
+        @options[:mirror] || []
+      end
+
+      def download(url)
+        Fontist::Utils::Downloader.download(url, progress_bar: true).path
+      rescue Errors::InvalidResourceError
+        Fontist.ui.say("WARN: a mirror is not found '#{url}'")
+        nil
+      end
+
+      def prepare_sha256(input)
+        output = input.uniq
+        return output.first if output.size == 1
+
+        checksums = output.join(", ")
+        Fontist.ui.say("WARN: SHA256 differs (#{checksums})")
+        output
       end
 
       def font_collections
         return if @font_collection_files.empty?
 