1 files changed, 79 insertions, 0 deletions
diff --git a/quotas.go b/quotas.go
new file mode 100644
index 0000000..e077ac8
--- /dev/null
+++ b/quotas.go
@@ -0,0 +1,79 @@
+package main
+
+import (
+	"errors"
+	"fmt"
+	"strconv"
+
+	"github.com/go-ldap/ldap/v3"
+	garage "git.deuxfleurs.fr/garage-sdk/garage-admin-sdk-golang"
+)
+
+const (
+	// --- Default Quota Values ---
+	QUOTA_WEBSITE_SIZE_DEFAULT = 1024 * 1024 * 50 // 50MB
+	QUOTA_WEBSITE_SIZE_BURSTED = 1024 * 1024 * 200 // 200MB
+	QUOTA_WEBSITE_OBJECTS = 10000 // 10k objects
+	QUOTA_WEBSITE_COUNT = 5 // 5 buckets
+
+	// --- Per-user overridable fields ---
+	FIELD_QUOTA_WEBSITE_SIZE_BURSTED = "quota_website_size_bursted"
+        FIELD_QUOTA_WEBSITE_COUNT = "quota_website_count"
+)
+
+type UserQuota struct {
+	WebsiteCount int64
+	WebsiteSizeDefault int64
+	WebsiteSizeBursted int64
+	WebsiteObjects int64
+}
+
+func NewUserQuota() *UserQuota {
+	return &UserQuota {
+		WebsiteCount: QUOTA_WEBSITE_COUNT,
+		WebsiteSizeDefault: QUOTA_WEBSITE_SIZE_DEFAULT,
+		WebsiteSizeBursted: QUOTA_WEBSITE_SIZE_BURSTED,
+		WebsiteObjects: QUOTA_WEBSITE_OBJECTS,
+	}
+}
+
+var (
+	ErrQuotaEmpty = fmt.Errorf("No quota is defined for this entry")
+	ErrQuotaInvalid = fmt.Errorf("The defined quota can't be parsed")
+)
+
+func entryToQuota(entry *ldap.Entry, field string) (int64, error) {
+	f := entry.GetAttributeValue(field)
+	if f == "" {
+		return -1, ErrQuotaEmpty
+	}
+
+	q, err := strconv.ParseInt(f, 10, 64)
+	if err != nil {
+		return -1, errors.Join(ErrQuotaInvalid, err)
+	}
+	return q, nil
+}
+
+func NewUserQuotaFromEntry(entry *ldap.Entry) *UserQuota {
+	quotas := NewUserQuota()
+
+	if q, err := entryToQuota(entry, FIELD_QUOTA_WEBSITE_COUNT); err != nil {
+		quotas.WebsiteCount = q
+	}
+
+	if q, err := entryToQuota(entry, FIELD_QUOTA_WEBSITE_SIZE_BURSTED); err != nil {
+		quotas.WebsiteSizeBursted = q
+	}
+
+	return quotas
+}
+
+func (q *UserQuota) DefaultWebsiteQuota() *garage.UpdateBucketRequestQuotas {
+	qr := garage.NewUpdateBucketRequestQuotas()
+
+	qr.SetMaxSize(q.WebsiteSizeDefault) 
+	qr.SetMaxObjects(q.WebsiteSizeBursted)
+
+	return qr
+}