restructured viewmodels, better serialization

controllers/year.go

@@ -0,0 +1,29 @@
+package controllers
+
+import (
+	"github.com/Theodor-Springmann-Stiftung/kgpz_web/app"
+	"github.com/Theodor-Springmann-Stiftung/kgpz_web/helpers/logging"
+	"github.com/Theodor-Springmann-Stiftung/kgpz_web/viewmodels"
+	"github.com/gofiber/fiber/v2"
+)
+
+const (
+	START_YEAR = "1764"
+)
+
+func GetYear(kgpz *app.KGPZ) fiber.Handler {
+	return func(c *fiber.Ctx) error {
+		y := c.Params("year", START_YEAR)
+		if len(y) != 4 {
+			return c.SendStatus(fiber.StatusBadRequest)
+		}
+
+		issues, err := viewmodels.YearView(y, kgpz.Library)
+		if err != nil {
+			logging.Error(err, "Keine Ausgaben für das Jahr "+y)
+			return c.SendStatus(fiber.StatusNotFound)
+		}
+
+		return c.Render("/", fiber.Map{"model": issues})
+	}
+}