webhooker/internal/handlers/target_delete.go

package handlers

import (
	"net/http"

	"sneak.berlin/go/webhooker/internal/database"
)

// HandleTargetDelete handles deleting a target. A deleted
// database target's archive writer is evicted and its handle
// closed; the archive file is left on disk.
func (h *Handlers) HandleTargetDelete() http.HandlerFunc {
	return h.deleteChildResource(
		"targetID", &database.Target{},
		"failed to delete target",
		h.evictTargetArchiveWriter,
		targetDeleted,
	)
}

// evictTargetArchiveWriter is evictArchiveWriter for one deleted
// target, and leaves its archive file on disk for the same reason.
// A target that is not a database target has no writer, and
// evicting it does nothing.
func (h *Handlers) evictTargetArchiveWriter(targetID string) {
	if h.archives == nil {
		return
	}

	h.archives.EvictTarget(targetID)
}