- initial commit

src/library.cr

@@ -0,0 +1,44 @@
+require "zip"
+
+class Entry
+	property zip_path : String
+	property title : String
+	property size : String
+
+	def initialize(path : String)
+		@zip_path = path
+		@title = File.basename path, ".zip"
+		@size = (File.size path).humanize_bytes
+	end
+end
+
+class Title
+	property dir : String
+	property entries : Array(Entry)
+	property title : String
+
+	def initialize(dir : String)
+		@dir = dir
+		@title = File.basename dir
+		@entries = (Dir.entries dir)
+			.select! { |path| (File.extname path) == ".zip" }
+			.map { |path| Entry.new File.join dir, path }
+			.sort { |a, b| a.title <=> b.title }
+	end
+end
+
+class Library
+	property dir : String
+	property titles : Array(Title)
+
+	def initialize(dir : String)
+		@dir = dir
+		unless Dir.exists? dir
+			abort "ERROR: The library directory #{dir} does not exist"
+		end
+		@titles = (Dir.entries dir)
+			.select! { |path| File.directory? File.join dir, path }
+			.map { |path| Title.new File.join dir, path }
+			.select! { |title| !title.entries.empty? }
+	end
+end