feat: update user access (#151)

* feat: update user access

* revoked timestamp field updated

* updates

* updates

* updates

server/resolvers/enable_access.go

@@ -0,0 +1,44 @@
+package resolvers
+
+import (
+	"context"
+	"fmt"
+	"log"
+
+	"github.com/authorizerdev/authorizer/server/db"
+	"github.com/authorizerdev/authorizer/server/graph/model"
+	"github.com/authorizerdev/authorizer/server/token"
+	"github.com/authorizerdev/authorizer/server/utils"
+)
+
+// EnableAccessResolver is a resolver for enabling user access
+func EnableAccessResolver(ctx context.Context, params model.UpdateAccessInput) (*model.Response, error) {
+	gc, err := utils.GinContextFromContext(ctx)
+	var res *model.Response
+	if err != nil {
+		return res, err
+	}
+
+	if !token.IsSuperAdmin(gc) {
+		return res, fmt.Errorf("unauthorized")
+	}
+
+	user, err := db.Provider.GetUserByID(params.UserID)
+	if err != nil {
+		return res, err
+	}
+
+	user.RevokedTimestamp = nil
+
+	user, err = db.Provider.UpdateUser(user)
+	if err != nil {
+		log.Println("error updating user:", err)
+		return res, err
+	}
+
+	res = &model.Response{
+		Message: `user access enabled successfully`,
+	}
+
+	return res, nil
+}