admin: add admin panel for user management

web/shared/admin/admin.go

@@ -0,0 +1,32 @@
+package admin
+
+import (
+	"context"
+
+	"mal/internal/db"
+)
+
+type contextKey string
+
+const userContextKey contextKey = "user"
+
+const AdminEmail = "mikkelelvers@outlook.com"
+
+func IsAdmin(user *database.User) bool {
+	if user == nil {
+		return false
+	}
+	return user.Username == AdminEmail
+}
+
+func GetUser(ctx context.Context) *database.User {
+	user, ok := ctx.Value(userContextKey).(*database.User)
+	if !ok {
+		return nil
+	}
+	return user
+}
+
+func IsAdminFromContext(ctx context.Context) bool {
+	return IsAdmin(GetUser(ctx))
+}