Handle book chapter

Records.cs

@@ -153,7 +153,6 @@ namespace Txt2Bib.Records
     {
         public string Type { get; init; } = "inproceedings";
         public string[] Author { get; set; } = Array.Empty<string>();
-        public string[] Editor { get; set; } = Array.Empty<string>();
         public string Title { get; set; } = "";
         public string BookTitle { get; set; } = "";
         public ushort Year { get; set; } = 1950;
@@ -209,4 +208,68 @@ namespace Txt2Bib.Records
                 "}\n";
         }
     }
+
+    public record class Chapter : ItemType, IBib
+    {
+        public string Type { get; init; } = "incollection";
+        public string[] Author { get; set; } = Array.Empty<string>();
+        public string[] Editor { get; set; } = Array.Empty<string>();
+        public string Title { get; set; } = "";
+        public string BookTitle { get; set; } = "";
+        public ushort Year { get; set; } = 1950;
+        public string Publisher { get; set; } = "";
+        public string Address { get; set; } = "";
+        public ushort FirstPage { get; set; } = 1;
+        public ushort LastPage { get; set; } = 1;
+        public string Url { get; set; } = "";
+        public string Doi { get; set; } = "";
+
+        public string Convert(string[] entryLines)
+        {
+            Author = entryLines[1].Split(',').Select(a => Rearrange(a)).ToArray();
+            Year = ushort.Parse(entryLines[2]);
+            Title = entryLines[3];
+            Editor = entryLines[4].Replace("(eds.)", "").Split(',').Select(a => Rearrange(a)).ToArray();
+            BookTitle = entryLines[5];
+            Address = entryLines[6] != String.Empty ? entryLines[6] : Address;
+            Publisher = entryLines[7];
+            try
+            {
+                FirstPage = ushort.Parse(entryLines[8].Split('-')[0]);
+                LastPage = ushort.Parse(entryLines[8].Split('-')[1].TrimEnd('.'));
+            }
+            catch (Exception)
+            {
+                throw;
+            }
+
+            if (entryLines.Length > 9)
+            {
+                if (IsDoi(entryLines[9])) Doi = entryLines[9];
+                else Url = entryLines[9];
+            }
+
+            return ToString();
+        }
+
+        public override string ToString()
+        {
+            string label = Author[0][..5].Replace(". ", "");
+            string authString = $"\tauthor = \"{string.Join(" and ", Author)}\",\n";
+            string edsString = $"\teditor = \"{string.Join(" and ", Editor)}\",\n";
+
+            return $"@{Type}{{{label}_{Year},\n" +
+                authString +
+                edsString +
+                $"\ttitle = {{{Title}}},\n" +
+                $"\tbooktitle = {{{BookTitle}}},\n" +
+                $"\tpublisher = \"{Publisher}\",\n" +
+                $"\taddress = \"{Address}\",\n" +
+                $"\tyear = \"{Year}\",\n" +
+                $"\tpages = \"{FirstPage}--{LastPage}\",\n" +
+                $"\turl = \"{Url}\",\n" +
+                $"\tdoi = \"{Doi}\",\n" +
+                "}\n";
+        }
+    }
 }

Text2Bib.cs

@@ -15,7 +15,7 @@ namespace Txt2Bib
     /// </summary>
     public class Text2Bib
     {
-        private string[] _citTypes = { "J", "B", "C", "P", "I" };
+        private string[] _citTypes = { "J", "B", "C", "P" };
         
         /// <summary>
         /// Generate single .bib file from input text files
@@ -84,7 +84,7 @@ namespace Txt2Bib
                 {
                     "J" => new Article().Convert(lines),
                     "B" => new Book().Convert(lines),
-                    //"C" => new ChapterBib(),
+                    "C" => new Chapter().Convert(lines),
                     "P" => new Proceedings().Convert(lines),
                     _ => ""
                 };