Basic Briefansicht + parsing

controllers/uebersicht.go

@@ -0,0 +1,23 @@
+package controllers
+
+import (
+	"strconv"
+
+	"github.com/Theodor-Springmann-Stiftung/lenz-web/xmlmodels"
+	"github.com/gofiber/fiber/v2"
+)
+
+func GetLetters(c *fiber.Ctx) error {
+	lib := xmlmodels.Get()
+	years, yearmap := lib.Years()
+	y := c.Query(YEAR_PARAM, strconv.Itoa(DEFAULT_YEAR))
+	// TODO: does not work ATM
+	c.Locals("path", c.Path())
+
+	year, err := strconv.Atoi(y)
+	if _, ok := yearmap[year]; (err != nil || !ok) && y != "all" {
+		return c.SendStatus(fiber.StatusNotFound)
+	}
+
+	return c.Render(LETTERS_URL+"/", fiber.Map{"years": years, "yearmap": yearmap, "year": year, "all": y == "all"})
+}