add space linking when create or update space

src/space-model/services/space-model.service.ts

@@ -40,6 +40,9 @@ import {
   ORPHAN_SPACE_NAME,
 } from '@app/common/constants/orphan-constant';
 import { DeviceRepository } from '@app/common/modules/device/repositories';
+import { SpaceProductAllocationEntity } from '@app/common/modules/space/entities/space-product-allocation.entity';
+import { SubspaceEntity } from '@app/common/modules/space/entities/subspace/subspace.entity';
+import { SubspaceProductAllocationEntity } from '@app/common/modules/space/entities/subspace/subspace-product-allocation.entity';
 
 @Injectable()
 export class SpaceModelService {
@@ -387,10 +390,15 @@ export class SpaceModelService {
   async linkToSpace(
     space: SpaceEntity,
     spaceModel: SpaceModelEntity,
+    queryRunner?: QueryRunner, // Make queryRunner optional
   ): Promise<void> {
     try {
       space.spaceModel = spaceModel;
+      if (queryRunner) {
+        await queryRunner.manager.save(SpaceEntity, space);
+      } else {
         await this.spaceRepository.save(space);
+      }
 
       const spaceProductAllocations = spaceModel.productAllocations.map(
         (modelAllocation) =>
@@ -401,8 +409,17 @@ export class SpaceModelService {
             tags: modelAllocation.tags,
           }),
       );
-      await this.spaceProductAllocationRepository.save(spaceProductAllocations);
 
+      if (queryRunner) {
+        await queryRunner.manager.save(
+          SpaceProductAllocationEntity,
+          spaceProductAllocations,
+        );
+      } else {
+        await this.spaceProductAllocationRepository.save(
+          spaceProductAllocations,
+        );
+      }
       await Promise.all(
         spaceModel.subspaceModels.map(async (subspaceModel) => {
           const subspace = this.subspaceRepository.create({
@@ -411,7 +428,11 @@ export class SpaceModelService {
             space: space,
           });
 
+          if (queryRunner) {
+            await queryRunner.manager.save(SubspaceEntity, subspace);
+          } else {
             await this.subspaceRepository.save(subspace);
+          }
 
           const subspaceAllocations = subspaceModel.productAllocations.map(
             (modelAllocation) =>
@@ -424,10 +445,17 @@ export class SpaceModelService {
           );
 
           if (subspaceAllocations.length) {
+            if (queryRunner) {
+              await queryRunner.manager.save(
+                SubspaceProductAllocationEntity,
+                subspaceAllocations,
+              );
+            } else {
               await this.subspaceProductAllocationRepository.save(
                 subspaceAllocations,
               );
             }
+          }
         }),
       );
     } catch (error) {

src/space/dtos/update.space.dto.ts

@@ -58,4 +58,11 @@ export class UpdateSpaceDto {
   @ValidateNested({ each: true })
   @Type(() => ModifyTagDto)
   tags?: ModifyTagDto[];
+  @ApiProperty({
+    description: 'UUID of the Space',
+    example: 'd290f1ee-6c54-4b01-90e6-d701748f0851',
+  })
+  @IsString()
+  @IsOptional()
+  spaceModelUuid?: string;
 }

src/space/services/space.service.ts

@@ -104,10 +104,23 @@ export class SpaceService {
         this.subSpaceService.extractTagsFromSubspace(subspaces);
       const allTags = [...tags, ...subspaceTags];
       this.validateUniqueTags(allTags);
+      if (spaceModelUuid) {
+        const hasDependencies = subspaces?.length > 0 || tags?.length > 0;
+        if (!hasDependencies && !newSpace.spaceModel) {
+          await this.spaceModelService.linkToSpace(
+            newSpace,
+            spaceModel,
+            queryRunner,
+          );
+        } else if (hasDependencies) {
+          throw new HttpException(
+            `Space cannot be linked to a model because it has existing dependencies (subspaces or tags).`,
+            HttpStatus.BAD_REQUEST,
+          );
+        }
+      }
 
       await Promise.all([
-        spaceModelUuid &&
-          this.createFromModel(spaceModelUuid, queryRunner, newSpace),
         direction && parent
           ? this.spaceLinkService.saveSpaceLink(
               parent.uuid,
@@ -125,9 +138,8 @@ export class SpaceService {
               projectUuid,
             )
           : Promise.resolve(),
-
         tags?.length
-          ? this.createTags(tags, projectUuid, queryRunner, space)
+          ? this.createTags(tags, projectUuid, queryRunner, newSpace)
           : Promise.resolve(),
       ]);
 
@@ -454,6 +466,30 @@ export class SpaceService {
 
       this.updateSpaceProperties(space, updateSpaceDto);
 
+      if (updateSpaceDto.spaceModelUuid) {
+        const spaceModel = await this.validationService.validateSpaceModel(
+          updateSpaceDto.spaceModelUuid,
+        );
+
+        const hasDependencies =
+          space.devices?.length > 0 ||
+          space.subspaces?.length > 0 ||
+          space.productAllocations?.length > 0;
+
+        if (!hasDependencies && !space.spaceModel) {
+          await this.spaceModelService.linkToSpace(
+            space,
+            spaceModel,
+            queryRunner,
+          );
+        } else if (hasDependencies) {
+          throw new HttpException(
+            `Space cannot be linked to a model because it has existing dependencies (devices, subspaces, or product allocations).`,
+            HttpStatus.BAD_REQUEST,
+          );
+        }
+      }
+
       const hasSubspace = updateSpaceDto.subspace?.length > 0;
       const hasTags = updateSpaceDto.tags?.length > 0;