MAT-6917: Add endpoint for get all, add missing functionality for MAT-6916

src/main/java/gov/cms/madie/terminology/controller/VsacFhirTerminologyController.java

@@ -86,4 +86,10 @@ public ResponseEntity<List<CodeSystem>> retrieveAndUpdateCodeSystems(
       throw new VsacUnauthorizedException("Please login to UMLS before proceeding");
     }
   }
+  @GetMapping(path = "/get-code-systems", produces = MediaType.APPLICATION_JSON_VALUE)
+  public ResponseEntity<List<CodeSystem>> getAllCodeSystems(Principal principal) {
+    final String username = principal.getName();
+    log.info("Retrieving list of codeSystems for user: {}", username);
+      return ResponseEntity.ok().body(fhirTerminologyService.getAllCodeSystems());
+  }
 }

src/main/java/gov/cms/madie/terminology/service/FhirTerminologyService.java

@@ -115,6 +115,9 @@ private List<QdmValueSet.Concept> getValueSetConcepts(
   }
 
 
+  public List<CodeSystem> getAllCodeSystems(){
+        return codeSystemRepository.findAll();
+  }
   public List<CodeSystem> retrieveAllCodeSystems(UmlsUser umlsUser) {
       List<CodeSystem> allCodeSystems = new ArrayList<>();
 
@@ -179,6 +182,17 @@ private void updateOrInsertAllCodeSystems(List<CodeSystem> codeSystemList){
                 // Insert new CodeSystem
                 codeSystemRepository.save(codeSystem);
                 log.info("New CodeSystem inserted: {}", codeSystem);
+            } else {
+                CodeSystem existingCodeSystem = existingCodeSystemOptional.get();
+                existingCodeSystem.setTitle(codeSystem.getTitle());
+                existingCodeSystem.setName(codeSystem.getName());
+                existingCodeSystem.setVersion(codeSystem.getVersion());
+                existingCodeSystem.setVersionId(codeSystem.getVersionId());
+                existingCodeSystem.setOid(codeSystem.getOid());
+                existingCodeSystem.setLastUpdated(codeSystem.getLastUpdated());
+                existingCodeSystem.setLastUpdatedUpstream(codeSystem.getLastUpdatedUpstream());
+                codeSystemRepository.save(existingCodeSystem);
+                log.info("CodeSystem updated: {}", existingCodeSystem);
             }
         }
     }

src/test/java/gov/cms/madie/terminology/controller/VsacFhirTerminologyControllerTest.java

@@ -22,6 +22,7 @@
 import java.security.Principal;
 import java.time.Instant;
 import java.util.ArrayList;
+import java.util.Date;
 import java.util.List;
 import java.util.Optional;
 
@@ -122,6 +123,7 @@ void retrieveAndUpdateCodeSystemsSuccessfully() {
                     .versionId("vid")
                     .oid("urlval")
                     .lastUpdated(Instant.now())
+                    .lastUpdatedUpstream(new Date())
                     .build());
     Principal principal = mock(Principal.class);
     when(principal.getName()).thenReturn(TEST_USER);
@@ -153,4 +155,29 @@ void testUnAuthorizedUmlsUserWhileretrievingAndUpdatingCodeSystems() {
             VsacUnauthorizedException.class,
             () -> vsacFhirTerminologyController.retrieveAndUpdateCodeSystems(principal, request, TEST_API_KEY, TEST_USER));
   }
+
+  @Test
+  void testGetAllCodeSystemsSuccessfully() {
+    List<CodeSystem> mockCodeSystemsPage = new ArrayList<>();
+    mockCodeSystemsPage.add(
+            CodeSystem.builder()
+                    .id("titleversion")
+                    .title("title")
+                    .name("name")
+                    .version("version")
+                    .versionId("vid")
+                    .oid("urlval")
+                    .lastUpdated(Instant.now())
+                    .lastUpdatedUpstream(new Date())
+                    .build());
+    Principal principal = mock(Principal.class);
+    when(principal.getName()).thenReturn(TEST_USER);
+    when(fhirTerminologyService.getAllCodeSystems()).thenReturn(mockCodeSystemsPage);
+
+    ResponseEntity<List<CodeSystem>> response =
+            vsacFhirTerminologyController.getAllCodeSystems(principal);
+    assertEquals(response.getStatusCode(), HttpStatus.OK);
+    assertEquals(response.getBody(), mockCodeSystemsPage);
+  }
+
 }