Add get cm handles by modules names - service layer

Issue-ID: CPS-644
Signed-off-by: niamhcore <niamh.core@est.tech>
Change-Id: Ic2a57df02d533a0066382c12c35be8d524b6cdad

4 files changed, 102 insertions, 1 deletions

diff --git a/cps-ncmp-rest/src/main/java/org/onap/cps/ncmp/rest/controller/NetworkCmProxyController.java b/cps-ncmp-rest/src/main/java/org/onap/cps/ncmp/rest/controller/NetworkCmProxyController.java
index 14f33d1e24..ca661b817e 100755
--- a/cps-ncmp-rest/src/main/java/org/onap/cps/ncmp/rest/controller/NetworkCmProxyController.java
+++ b/cps-ncmp-rest/src/main/java/org/onap/cps/ncmp/rest/controller/NetworkCmProxyController.java
@@ -24,13 +24,23 @@ package org.onap.cps.ncmp.rest.controller;
 
 import com.google.gson.Gson;
 import com.google.gson.GsonBuilder;
+import java.util.ArrayList;
 import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
+import java.util.stream.Collectors;
 import javax.validation.Valid;
 import javax.validation.constraints.NotNull;
+import lombok.extern.slf4j.Slf4j;
 import org.onap.cps.ncmp.api.NetworkCmProxyDataService;
 import org.onap.cps.ncmp.rest.api.NetworkCmProxyApi;
+import org.onap.cps.ncmp.rest.model.CmHandleProperties;
+import org.onap.cps.ncmp.rest.model.CmHandleProperty;
 import org.onap.cps.ncmp.rest.model.CmHandles;
+import org.onap.cps.ncmp.rest.model.ConditionProperties;
 import org.onap.cps.ncmp.rest.model.Conditions;
+import org.onap.cps.ncmp.rest.model.ModuleNameAsJsonObject;
+import org.onap.cps.ncmp.rest.model.ModuleNamesAsJsonArray;
 import org.onap.cps.spi.FetchDescendantsOption;
 import org.onap.cps.spi.model.DataNode;
 import org.onap.cps.spi.model.ModuleReference;
@@ -40,6 +50,7 @@ import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
+@Slf4j
 @RestController
 @RequestMapping("${rest.api.ncmp-base-path}")
 public class NetworkCmProxyController implements NetworkCmProxyApi {
@@ -197,7 +208,12 @@ public class NetworkCmProxyController implements NetworkCmProxyApi {
 
     @Override
     public ResponseEntity<CmHandles> executeCmHandleSearch(final Conditions conditions) {
-        return new ResponseEntity<>(HttpStatus.NOT_IMPLEMENTED);
+        final List<ConditionProperties> conditionProperties =
+            conditions.getConditions().stream().collect(Collectors.toList());
+        final CmHandles cmHandles = new CmHandles();
+        final Collection<String> cmHandleIdentifiers = processConditions(conditionProperties);
+        cmHandleIdentifiers.forEach(cmHandle -> cmHandles.setCmHandles(toCmHandleProperties(cmHandle)));
+        return ResponseEntity.ok(cmHandles);
     }
 
     @Override
@@ -207,4 +223,38 @@ public class NetworkCmProxyController implements NetworkCmProxyApi {
         return new ResponseEntity<>(new Gson().toJson(moduleReferences), HttpStatus.OK);
     }
 
+    private Collection<String> processConditions(final List<ConditionProperties> conditionProperties) {
+        for (final ConditionProperties conditionProperty : conditionProperties) {
+            if (conditionProperty.getName().equals("hasAllModules")) {
+                return executeCmHandleSearchesForModuleNames(conditionProperty);
+            } else {
+                log.warn("Unrecognized condition name {}.", conditionProperty.getName());
+            }
+        }
+        log.warn("No valid conditions found {}.", conditionProperties);
+        return Collections.emptyList();
+    }
+
+    private Collection<String> executeCmHandleSearchesForModuleNames(final ConditionProperties conditionProperties) {
+        return networkCmProxyDataService
+            .executeCmHandleHasAllModulesSearch(getModuleNames(conditionProperties.getConditionParameters()));
+    }
+
+    private Collection<String> getModuleNames(final ModuleNamesAsJsonArray moduleNamesAsJsonArray) {
+        final Collection<String> moduleNames = new ArrayList<>(moduleNamesAsJsonArray.size());
+        for (final ModuleNameAsJsonObject moduleNameAsJsonObject : moduleNamesAsJsonArray) {
+            moduleNames.add(moduleNameAsJsonObject.getModuleName());
+        }
+        return moduleNames;
+    }
+
+    private CmHandleProperties toCmHandleProperties(final String cmHandleId) {
+        final CmHandleProperties cmHandleProperties = new CmHandleProperties();
+        final CmHandleProperty cmHandleProperty = new CmHandleProperty();
+        cmHandleProperty.setCmHandleId(cmHandleId);
+        cmHandleProperties.add(cmHandleProperty);
+        return cmHandleProperties;
+    }
+
+
 }
diff --git a/cps-ncmp-rest/src/test/groovy/org/onap/cps/ncmp/rest/controller/NetworkCmProxyControllerSpec.groovy b/cps-ncmp-rest/src/test/groovy/org/onap/cps/ncmp/rest/controller/NetworkCmProxyControllerSpec.groovy
index 342f41b26f..a609cfacb8 100644
--- a/cps-ncmp-rest/src/test/groovy/org/onap/cps/ncmp/rest/controller/NetworkCmProxyControllerSpec.groovy
+++ b/cps-ncmp-rest/src/test/groovy/org/onap/cps/ncmp/rest/controller/NetworkCmProxyControllerSpec.groovy
@@ -22,6 +22,7 @@
 
 package org.onap.cps.ncmp.rest.controller
 
+import org.onap.cps.TestUtils
 import org.onap.cps.spi.model.ModuleReference
 
 import static org.onap.cps.spi.FetchDescendantsOption.INCLUDE_ALL_DESCENDANTS
@@ -252,5 +253,33 @@ class NetworkCmProxyControllerSpec extends Specification {
         and: 'response returns an OK http code'
             response.status == HttpStatus.OK.value()
     }
+
+    def 'Retrieve cm handles.'() {
+        given: 'an endpoint and json data'
+            def searchesEndpoint = "$ncmpBasePathV1/ch/searches"
+            String jsonData = TestUtils.getResourceFileContent('cmhandle-search.json')
+        and: 'the service method is invoked with module names and returns a cm handle id'
+            mockNetworkCmProxyDataService.executeCmHandleHasAllModulesSearch(['module1', 'module2']) >> ['some-cmhandle-id']
+        when: 'the searches api is invoked'
+            def response = mvc.perform(post(searchesEndpoint)
+                    .contentType(MediaType.APPLICATION_JSON)
+                    .content(jsonData)).andReturn().response
+        then: 'response status returns OK'
+            response.status == HttpStatus.OK.value()
+        and: 'the expected response content is returned'
+            response.contentAsString == '{"cmHandles":[{"cmHandleId":"some-cmhandle-id"}]}'
+    }
+
+    def 'Call execute cm handle searches with unrecognized condition name.'() {
+        given: 'an endpoint and json data'
+            def searchesEndpoint = "$ncmpBasePathV1/ch/searches"
+            String jsonData = TestUtils.getResourceFileContent('invalid-cmhandle-search.json')
+        when: 'the searches api is invoked'
+            def response = mvc.perform(post(searchesEndpoint)
+                    .contentType(MediaType.APPLICATION_JSON)
+                    .content(jsonData)).andReturn().response
+        then: 'an empty cm handle identifier is returned'
+            response.contentAsString == '{"cmHandles":null}'
+    }
 }
 
diff --git a/cps-ncmp-rest/src/test/resources/cmhandle-search.json b/cps-ncmp-rest/src/test/resources/cmhandle-search.json
new file mode 100644
index 0000000000..e3c721bfdf
--- /dev/null
+++ b/cps-ncmp-rest/src/test/resources/cmhandle-search.json
@@ -0,0 +1,15 @@
+{
+  "conditions": [
+    {
+      "name": "hasAllModules",
+      "conditionParameters": [
+        {
+          "moduleName": "module1"
+        },
+        {
+          "moduleName": "module2"
+        }
+      ]
+    }
+  ]
+}
\ No newline at end of file
diff --git a/cps-ncmp-rest/src/test/resources/invalid-cmhandle-search.json b/cps-ncmp-rest/src/test/resources/invalid-cmhandle-search.json
new file mode 100644
index 0000000000..838c9481b9
--- /dev/null
+++ b/cps-ncmp-rest/src/test/resources/invalid-cmhandle-search.json
@@ -0,0 +1,7 @@
+{
+  "conditions": [
+    {
+      "name": "does-not-exist"
+    }
+  ]
+}
\ No newline at end of file