graph2: Added clearFictionalDate option to editChapter mutation input

graph2/queries/chapter.go

@@ -55,6 +55,10 @@ func (r *mutationResolver) EditChapter(ctx context.Context, input input.ChapterE
 		return models.Chapter{}, errors.New("Unauthorized")
 	}
 
+	if input.ClearFictionalDate != nil && *input.ClearFictionalDate == true {
+		input.FictionalDate = &time.Time{}
+	}
+
 	return chapters.Edit(chapter, input.Title, input.Source, input.FictionalDate)
 }
 

graph2/schema/types/Chapter.gql

@@ -56,6 +56,9 @@ input ChapterEditInput {
 
   # Set the fictional date for a chapter
   fictionalDate: Date
+
+  # Remove the fictional date for a chapter
+  clearFictionalDate: Boolean
 }
 
 # Input for removeChapter mutation