app/preferences: remove previously created cookies

Signed-off-by: Arthur Zamarin <arthurzam@gentoo.org>

3 files changed, 17 insertions, 6 deletions

diff --git a/pkg/app/handler/index/index.templ b/pkg/app/handler/index/index.templ
index 3da465b..14b380e 100644
--- a/pkg/app/handler/index/index.templ
+++ b/pkg/app/handler/index/index.templ
@@ -89,8 +89,24 @@ templ page(packageCount int) {
 	<script src="assets/index.js"></script>
 }
 
+func deleteCookie(w http.ResponseWriter, r *http.Request, name string) {
+	if _, err := r.Cookie(name); err != http.ErrNoCookie {
+		cookie := http.Cookie{
+			Name:     name,
+			Value:    "",
+			Path:     "/",
+			MaxAge:   -1,
+			HttpOnly: true,
+		}
+		http.SetCookie(w, &cookie)
+	}
+}
+
 // Show renders a template to show the landing page of the application
 func Show(w http.ResponseWriter, r *http.Request) {
+	for _, cookie := range models.OldCookieNames {
+		deleteCookie(w, r, cookie)
+	}
 	count, _ := database.DBCon.Model((*models.Package)(nil)).Count()
 	layout.Layout("", layout.Home, page(count)).Render(r.Context(), w)
 }
diff --git a/pkg/app/utils/userdata.go b/pkg/app/utils/userdata.go
index 13f9973..20624e0 100644
--- a/pkg/app/utils/userdata.go
+++ b/pkg/app/utils/userdata.go
@@ -22,11 +22,5 @@ func GetUserPreferences(r *http.Request) models.UserPreferences {
 		}
 	}
 
-	// old cookie: search_history
-	// old cookie: userpref_general
-	// old cookie: userpref_packages
-	// old cookie: userpref_useflags
-	// old cookie: userpref_arches
-
 	return userPreferences
 }
diff --git a/pkg/models/userpreferences.go b/pkg/models/userpreferences.go
index ed133c7..773b8eb 100644
--- a/pkg/models/userpreferences.go
+++ b/pkg/models/userpreferences.go
@@ -13,6 +13,7 @@ type MaintainersPreferences struct {
 
 var ArchesToShow = [...]string{"amd64", "x86", "alpha", "arm", "arm64", "hppa", "ia64", "ppc", "ppc64", "riscv", "sparc"}
 var AllArches = [...]string{"alpha", "amd64", "arm", "arm64", "hppa", "ia64", "mips", "ppc", "ppc64", "riscv", "s390", "sparc", "x86"}
+var OldCookieNames = [...]string{"search_history", "userpref_general", "userpref_packages", "userpref_useflags", "userpref_arches"}
 
 func GetDefaultUserPreferences() UserPreferences {
 	userPreferences := UserPreferences{}