Add methods returning Epub's title and Author (#179)

Source/EPUBCore/FRBook.swift

@@ -30,6 +30,10 @@ open class FRBook: NSObject {
         return metadata.titles.first
     }
 
+    func authorName() -> String? {
+        return metadata.creators.first?.name
+    }
+
     // MARK: - Media Overlay Metadata
     // http://www.idpf.org/epub/301/spec/epub-mediaoverlays.html#sec-package-metadata
 

Source/EPUBCore/FREpubParser.swift

@@ -31,6 +31,24 @@ class FREpubParser: NSObject, SSZipArchiveDelegate {
         }
         return UIImage(contentsOfFile: coverImage.fullHref)
     }
+
+    func parseTitle(_ epubPath: String) -> String? {
+
+        guard let book = readEpub(epubPath: epubPath, removeEpub: false), let title = book.title() else {
+            return nil
+        }
+        return title
+    }
+
+    func parseAuthorName(_ epubPath: String) -> String? {
+        guard let book = readEpub(epubPath: epubPath, removeEpub: false), let authorName = book.authorName() else {
+        return nil
+        }
+        return authorName
+    }
+
+
+
 
     /**
      Unzip, delete and read an epub file.

Source/FolioReaderKit.swift

@@ -178,6 +178,16 @@ open class FolioReader: NSObject {
         return FREpubParser().parseCoverImage(epubPath)
     }
 
+
+    // MARK: - Get Title
+    open class func getTitle(_ epubPath: String) -> String? {
+        return FREpubParser().parseTitle(epubPath)
+    }
+
+    open class func getAuthorName(_ epubPath: String) -> String? {
+        return FREpubParser().parseAuthorName(epubPath)
+    }
+
     // MARK: - Present Folio Reader
 
     /**