graph2: Added Chapter type and queries, moved loader out of old graphql pkg.

graph2/types/chapter.go

@@ -0,0 +1,21 @@
+package types
+
+import (
+	"context"
+	"time"
+
+	"git.aiterp.net/rpdata/api/models"
+)
+
+type chapterResolver struct{}
+
+func (r *chapterResolver) FictionalDate(ctx context.Context, chapter *models.Chapter) (*time.Time, error) {
+	if chapter.FictionalDate.IsZero() {
+		return nil, nil
+	}
+
+	return &chapter.FictionalDate, nil
+}
+
+// ChapterResolver is a resolver
+var ChapterResolver chapterResolver