Use series order float (#632)

Add decimal formatter to number tag types

Documentation/NamingTemplates.md

@@ -11,7 +11,7 @@ These templates apply to both GUI and CLI.
 - [Tag Formatters](#tag-formatters)
   - [Text Formatters](#text-formatters)
   - [Name List Formatters](#name-list-formatters)
-  - [Integer Formatters](#integer-formatters)
+  - [Number Formatters](#number-formatters)
   - [Date Formatters](#date-formatters)
 
 
@@ -32,23 +32,23 @@ These tags will be replaced in the template with the audiobook's values.
 |\<narrator\>|Narrator(s)|Name List|
 |\<first narrator\>|First narrator|Text|
 |\<series\>|Name of series|Text|
-|\<series#\>|Number order in series|Text|
-|\<bitrate\>|File's original bitrate (Kbps)|Integer|
-|\<samplerate\>|File's original audio sample rate|Integer|
-|\<channels\>|Number of audio channels|Integer|
+|\<series#\>|Number order in series|Number|
+|\<bitrate\>|File's original bitrate (Kbps)|Number|
+|\<samplerate\>|File's original audio sample rate|Number|
+|\<channels\>|Number of audio channels|Number|
 |\<account\>|Audible account of this book|Text|
 |\<account nickname\>|Audible account nickname of this book|Text|
 |\<locale\>|Region/country|Text|
-|\<year\>|Year published|Integer|
+|\<year\>|Year published|Number|
 |\<language\>|Book's language|Text|
 |\<language short\> **†**|Book's language abbreviated. Eg: ENG|Text|
 |\<file date\>|File creation date/time.|DateTime|
 |\<pub date\>|Audiobook publication date|DateTime|
 |\<date added\>|Date the book added to your Audible account|DateTime|
-|\<ch count\> **‡**|Number of chapters|Integer|
+|\<ch count\> **‡**|Number of chapters|Number|
 |\<ch title\> **‡**|Chapter title|Text|
-|\<ch#\> **‡**|Chapter number|Integer|
-|\<ch# 0\> **‡**|Chapter number with leading zeros|Integer|
+|\<ch#\> **‡**|Chapter number|Number|
+|\<ch# 0\> **‡**|Chapter number with leading zeros|Number|
 
 **†** Does not support custom formatting
 
@@ -78,7 +78,7 @@ As an example, this folder template will place all Liberated podcasts into a "Po
 
 
 # Tag Formatters
-**Text**, **Name List**, **Integer**, and **DateTime** tags can be optionally formatted using format text in square brackets after the tag name. Below is a list of supported formatters for each tag type.
+**Text**, **Name List**, **Number**, and **DateTime** tags can be optionally formatted using format text in square brackets after the tag name. Below is a list of supported formatters for each tag type.
 
 ## Text Formatters
 |Formatter|Description|Example Usage|Example Result|
@@ -94,10 +94,12 @@ As an example, this folder template will place all Liberated podcasts into a "Po
 |sort(F \| M \| L)|Sorts the names by first, middle, or last name<br><br>Default is unsorted|`<author[sort(M)]>`|Stephen Fry, Arthur Conan Doyle|
 |max(#)|Only use the first # of names<br><br>Default is all names|`<author[max(1)]>`|Arthur Conan Doyle|
 
-## Integer Formatters
+## Number Formatters
+For more custom formatters and examples, [see this guide from Microsoft](https://learn.microsoft.com/en-us/dotnet/standard/base-types/custom-numeric-format-strings).
 |Formatter|Description|Example Usage|Example Result|
 |-|-|-|-|
-|# (a number)|Zero-pads the number|\<bitrate\[4\]\><br>\<series#\[3\]\><br>\<samplerate\[6\]\>|0128<br>001<br>044100|
+|\[integer\]|Zero-pads the number|\<bitrate\[4\]\><br>\<series#\[3\]\><br>\<samplerate\[6\]\>|0128<br>001<br>044100|
+|0|Replaces the zero with the corresponding digit if one is present; otherwise, zero appears in the result string.|\<series#\[000.0\]\>|001.0|
 
 ## Date Formatters
 Form more standard formatters, [see this guide from Microsoft](https://learn.microsoft.com/en-us/dotnet/standard/base-types/standard-date-and-time-format-strings).

Source/FileLiberator/UtilityExtensions.cs

@@ -50,7 +50,7 @@ namespace FileLiberator
 				Narrators = libraryBook.Book.Narrators.Select(c => c.Name).ToList(),
 
 				SeriesName = libraryBook.Book.SeriesLink.FirstOrDefault()?.Series.Name,
-				SeriesNumber = (int?)libraryBook.Book.SeriesLink.FirstOrDefault()?.Index,
+				SeriesNumber = libraryBook.Book.SeriesLink.FirstOrDefault()?.Index,
 				IsPodcastParent = libraryBook.Book.IsEpisodeParent(),
 				IsPodcast = libraryBook.Book.IsEpisodeChild() || libraryBook.Book.IsEpisodeParent(),
 

Source/LibationFileManager/LibraryBookDto.cs

@@ -20,7 +20,7 @@ namespace LibationFileManager
         public string FirstNarrator => Narrators.FirstOrDefault();
 
         public string SeriesName { get; set; }
-        public int? SeriesNumber { get; set; }
+        public float? SeriesNumber { get; set; }
         public bool IsSeries => !string.IsNullOrEmpty(SeriesName);
         public bool IsPodcastParent { get; set; }
         public bool IsPodcast { get; set; }

Source/LibationFileManager/Templates.cs

@@ -196,7 +196,7 @@ namespace LibationFileManager
 		#region Registered Template Properties
 
 		private static readonly PropertyTagCollection<LibraryBookDto> filePropertyTags =
-			new(caseSensative: true, StringFormatter, DateTimeFormatter, IntegerFormatter)
+			new(caseSensative: true, StringFormatter, DateTimeFormatter, IntegerFormatter, FloatFormatter)
 		{
 			//Don't allow formatting of Id
 			{ TemplateTags.Id, lb => lb.AudibleProductId, v => v },
@@ -279,10 +279,20 @@ namespace LibationFileManager
 		}
 
 		private static string IntegerFormatter(ITemplateTag templateTag, int value, string formatString)
+			=> FloatFormatter(templateTag, value, formatString);
+
+		private static string FloatFormatter(ITemplateTag templateTag, float value, string formatString)
 		{
-			if (int.TryParse(formatString, out var numDigits))
-				return value.ToString($"D{numDigits}");
-			return value.ToString();
+			if (int.TryParse(formatString, out var numDigits) && numDigits > 0)
+			{
+				//Zero-pad the integer part
+				var strValue = value.ToString();
+				var decIndex = strValue.IndexOf(System.Globalization.NumberFormatInfo.CurrentInfo.NumberDecimalSeparator);
+				var zeroPad = decIndex == -1 ? int.Max(0, numDigits - strValue.Length) : int.Max(0, numDigits - decIndex);
+
+				return new string('0', zeroPad) + strValue;
+			}
+			return value.ToString(formatString);
 		}
 
 		private static string DateTimeFormatter(ITemplateTag templateTag, DateTime value, string formatString)