Refactor server code (#407)

internal/web/handlers/gist/delete.go

@@ -0,0 +1,18 @@
+package gist
+
+import (
+	"github.com/thomiceli/opengist/internal/db"
+	"github.com/thomiceli/opengist/internal/web/context"
+)
+
+func DeleteGist(ctx *context.Context) error {
+	gist := ctx.GetData("gist").(*db.Gist)
+
+	if err := gist.Delete(); err != nil {
+		return ctx.ErrorRes(500, "Error deleting this gist", err)
+	}
+	gist.RemoveFromIndex()
+
+	ctx.AddFlash(ctx.Tr("flash.gist.deleted"), "success")
+	return ctx.RedirectTo("/")
+}