Add not found exception

Author: dragonpoo

Diff for: server/api-service/lowcoder-sdk/src/main/java/org/lowcoder/sdk/exception/BizError.java

@@ -158,7 +158,10 @@ public enum BizError {
     SLUG_INVALID(403, 6502),
 
     //flow 6601 - 6601
-    FLOW_ERROR(500, 6601);
+    FLOW_ERROR(500, 6601),
+
+    //organization related 6701 - 6701
+    ORGANIZATION_NOT_FOUND(400, 6701);
 
     static {
         checkDuplicates(values(), BizError::getBizErrorCode);

Diff for: server/api-service/lowcoder-sdk/src/main/resources/locale_en.properties

@@ -285,4 +285,5 @@ DUPLICATE_AUTH_CONFIG_ADDITION=Provider auth type already added to organization
 EMAIL_PROVIDER_DISABLED=Email provider is disabled.
 SLUG_DUPLICATE_ENTRY=Slug already exists
 SLUG_INVALID=Slug format is invalid
-FLOW_ERROR=Flow error message: {0}
+FLOW_ERROR=Flow error message: {0}
+ORGANIZATION_NOT_FOUND=Organization not found.

Diff for: server/api-service/lowcoder-server/src/main/java/org/lowcoder/api/usermanagement/OrganizationController.java

@@ -21,6 +21,8 @@
 import org.lowcoder.domain.user.service.UserService;
 import org.lowcoder.sdk.config.CommonConfig;
 import org.lowcoder.sdk.constants.WorkspaceMode;
+import org.lowcoder.sdk.exception.BizError;
+import org.lowcoder.sdk.exception.BizException;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.codec.multipart.Part;
 import org.springframework.web.bind.annotation.*;
@@ -186,6 +188,7 @@ public Mono<ResponseView<Organization>> updateSlug(@PathVariable String orgId, @
     public Mono<ResponseView<Organization>> getOrganization(@PathVariable String orgId) {
         return gidService.convertOrganizationIdToObjectId(orgId)
                 .flatMap(id -> organizationService.getById(id))
+                .switchIfEmpty(Mono.error(new BizException(BizError.ORGANIZATION_NOT_FOUND, "ORGANIZATION_NOT_FOUND")))
                 .map(ResponseView::success);
     }