fix(Rest): new endpoint will help to get the package details by projectId.

Signed-off-by: Nikesh kumar <kumar.nikesh@siemens.com>

Author: nikkuma7

rest/resource-server/src/docs/asciidoc/projects.adoc

@@ -1251,4 +1251,18 @@ include::{snippets}/should_document_get_projects_by_advance_search/curl-request.
 include::{snippets}/should_document_get_projects_by_advance_search/http-response.adoc[]
 
 ===== Links
-include::{snippets}/should_document_get_projects_by_advance_search/links.adoc[]
+include::{snippets}/should_document_get_projects_by_advance_search/links.adoc[]
+
+[[resources-package-get-by-project]]
+==== Get Package by ProjectId
+
+A GET request is used to retrieve a package using a given projectId.
+
+===== Request parameter
+include::{snippets}/should_document_get_package_by_project_id/request-parameters.adoc[]
+
+===== Example request
+include::{snippets}/should_document_get_package_by_project_id-id/curl-request.adoc[]
+
+===== Example response
+include::{snippets}/should_document_get_package_by_project_id-id/http-response.adoc[]

rest/resource-server/src/main/java/org/eclipse/sw360/rest/resourceserver/project/ProjectController.java

@@ -78,6 +78,16 @@
 import org.eclipse.sw360.datahandler.thrift.licenseinfo.OutputFormatVariant;
 import org.eclipse.sw360.datahandler.thrift.licenses.License;
 import org.eclipse.sw360.datahandler.thrift.projects.*;
+import org.eclipse.sw360.datahandler.thrift.packages.Package;
+import org.eclipse.sw360.datahandler.thrift.projects.ObligationList;
+import org.eclipse.sw360.datahandler.thrift.projects.ObligationStatusInfo;
+import org.eclipse.sw360.datahandler.thrift.projects.Project;
+import org.eclipse.sw360.datahandler.thrift.projects.ProjectClearingState;
+import org.eclipse.sw360.datahandler.thrift.projects.ProjectLink;
+import org.eclipse.sw360.datahandler.thrift.projects.ProjectProjectRelationship;
+import org.eclipse.sw360.datahandler.thrift.projects.ProjectRelationship;
+import org.eclipse.sw360.datahandler.thrift.projects.ProjectDTO;
+import org.eclipse.sw360.datahandler.thrift.projects.ClearingRequest;
 import org.eclipse.sw360.datahandler.thrift.users.User;
 import org.eclipse.sw360.datahandler.thrift.users.UserGroup;
 import org.eclipse.sw360.datahandler.thrift.vendors.Vendor;
@@ -484,6 +494,49 @@ public ResponseEntity<EntityModel<Project>> getProject(
         return new ResponseEntity<>(userHalResource, HttpStatus.OK);
     }
 
+    @Operation(
+            description = "Get a package with project id.",
+            tags = {"Projects"}
+    )
+    @RequestMapping(value = PROJECTS_URL + "/{id}/packages", method = RequestMethod.GET)
+    public ResponseEntity<List<HalResource<Project>>> getPackagesByProjectId(
+            @Parameter(description = "Project ID", example = "376576")
+            @PathVariable("id") String id) throws TException {
+
+        User sw360User = restControllerHelper.getSw360UserFromAuthentication();
+        Project sw360Project = projectService.getProjectForUserById(id, sw360User);
+        List<HalResource<Package>> halPackages = new ArrayList<>();
+        if (sw360Project.getPackageIdsSize() > 0) {
+            for (String packageId : sw360Project.getPackageIds()) {
+                Package sw360Package = packageService.getPackageForUserById(packageId);
+                HalResource<Package> halPackage = createHalPackage(sw360Package, sw360User);
+                halPackages.add(halPackage);
+            }
+        }
+        return new ResponseEntity(halPackages, HttpStatus.OK);
+    }
+
+    private HalResource<Package> createHalPackage(Package sw360Package, User sw360User) throws TException {
+        HalResource<Package> halPackage = new HalResource<>(sw360Package);
+        User packageCreator = restControllerHelper.getUserByEmail(sw360Package.getCreatedBy());
+        String linkedRelease = sw360Package.getReleaseId();
+
+        restControllerHelper.addEmbeddedUser(halPackage, packageCreator, "createdBy");
+        if (CommonUtils.isNotNullEmptyOrWhitespace(linkedRelease)) {
+            Release release = releaseService.getReleaseForUserById(linkedRelease, sw360User);
+
+            if (release != null) {
+                restControllerHelper.addEmbeddedSingleRelease(halPackage, release);
+            } else {
+                log.warn("Release not found for ID: {}", linkedRelease);
+            }
+        }
+        if (sw360Package.getModifiedBy() != null) {
+            restControllerHelper.addEmbeddedModifiedBy(halPackage, sw360User, "modifiedBy");
+        }
+        return halPackage;
+    }
+
     @Operation(
             description = "Get linked projects of a single project.",
             tags = {"Projects"}

rest/resource-server/src/test/java/org/eclipse/sw360/rest/resourceserver/restdocs/ProjectSpecTest.java

@@ -275,6 +275,7 @@ public void before() throws TException, IOException {
         project.setSpecialRisks3rdParty("Lorem Ipsum");
         project.setLicenseInfoHeaderText("Lorem Ipsum");
         project.setDeliveryChannels("Lorem Ipsum");
+        project.setPackageIds(new HashSet<>(Arrays.asList("pkg-001", "pkg-002", "pkg-003")));
         project.setVendor(new Vendor());
         project.setRemarksAdditionalRequirements("Lorem Ipsum");
         ReleaseClearingStateSummary clearingCount = new ReleaseClearingStateSummary();
@@ -3242,4 +3243,35 @@ public void should_document_get_projects_by_advance_search() throws Exception {
                                 fieldWithPath("page.number").description("Number of the current page")
                         )));
     }
+
+    @Test
+    public void should_document_get_package_by_project_id() throws Exception {
+        Set<String> licenseIds = new HashSet<>();
+        licenseIds.add("MIT");
+        licenseIds.add("GPL");
+
+        Package packages = new Package("angular-sanitize", "1.8.2", "pkg:npm/angular-sanitize@1.8.2",
+                CycloneDxComponentType.FRAMEWORK)
+                .setId("122357345")
+                .setCreatedBy("admin@sw360.org")
+                .setCreatedOn("2023-01-02")
+                .setVcs("git+https://github.com/angular/angular.js.git")
+                .setHomepageUrl("http://angularjs.org")
+                .setLicenseIds(licenseIds)
+                .setReleaseId("12345678")
+                .setPackageManager(PackageManager.NPM)
+                .setDescription("Sanitizes an html string by stripping all potentially dangerous tokens.");
+
+        given(this.packageServiceMock.getPackageForUserById(eq(packages.getId()))).willReturn(packages);
+
+        Project sw360Project = new Project();
+        sw360Project.setId(project.getId());
+        sw360Project.setPackageIds(new HashSet<>(Collections.singleton("122357345")));
+
+        given(this.projectServiceMock.getProjectForUserById(eq(project.getId()), any())).willReturn(sw360Project);
+
+        mockMvc.perform(get("/api/projects/" + project.getId() + "/packages")
+                .header("Authorization", TestHelper.generateAuthHeader(testUserId, testUserPassword))
+                .accept(MediaTypes.HAL_JSON)).andExpect(status().isOk());
+    }
 }