C.B.R.

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using CBR.Core.Models;
using System.IO;

namespace CBR.Core.Helpers
{
    public class ePUBHelper
    {
        public class Files
        {
            public const string Mime = "mimetype";
            public const string Container = "META-INF\\container.xml";
            public const string PublicationFolder = "OEBPS";
            public const string Package = "content.opf";
            public const string NcxToc = "toc.ncx";
        }

        public class XmlMediaTypes
        {
            public const string Mime = "application/epub+zip";

            public const string Container = "application/oebps-package+xml";
            public const string Content = "application/xhtml+xml";
            public const string Css = "text/css";
            public const string NcxToc = "application/x-dtbncx+xml";
            public const string Images = "images/";
        }

        public class XmlNamespaces
        {
            public const string Container = "urn:oasis:names:tc:opendocument:xmlns:container";
            public const string MetaDC = "http://purl.org/dc/elements/1.1/";
            public const string MetaOPF = "http://www.idpf.org/2007/opf";
            public const string NcxToc = "http://www.daisy.org/z3986/2005/ncx/";
            public const string Opf = "http://www.idpf.org/2007/opf";
        }

        public class XmlAttributes
        {
            public const string container_identifier = "full-path";

            public const string meta_identifier = "identifier";
            public const string meta_title = "title";
            public const string meta_language = "language";
            public const string meta_creator = "creator";
            public const string meta_contributor = "contributor";
            public const string meta_publisher = "publisher";
            public const string meta_subject = "subject";
            public const string meta_description = "description";
            public const string meta_date = "date";
            public const string meta_type = "type";
            public const string meta_format = "format";
            public const string meta_source = "source";
            public const string meta_relation = "relation";
            public const string meta_coverage = "coverage";
            public const string meta_rights = "rights";
        }

        static public string GetTOCFile( ePUB doc )
        {
            string result = string.Empty;

            if (!string.IsNullOrEmpty(doc.RootFolder))
                result = Path.Combine(doc.RootFolder, doc.OpenPackage.PublicationFolder);
            else
                result = doc.OpenPackage.PublicationFolder;

            result = Path.Combine(result, doc.OpenPackage.ManifestItems.Where(p => p.MediaType == "application/x-dtbncx+xml").First().Reference);
            return result;
        }

        static public string GetCoverFile(ePUB doc)
        {
            string result = string.Empty;

            if (!string.IsNullOrEmpty(doc.RootFolder))
                result = Path.Combine(doc.RootFolder, doc.OpenPackage.PublicationFolder);
            else
                result = doc.OpenPackage.PublicationFolder;

            result = Path.Combine(result, doc.OpenPackage.ManifestItems.Where(p => p.Id == doc.OpenPackage.CoverId).First().Reference);
            return result;
        }
    }
}