Add Support for creating model type

Add new vertex type called "model" was added to represent models
Add new edge type called MODEL_ELEMENT was added to connect a tosca type to a model
Add new edge type called MODEL was added to connect a resource/service to the model it is based on

Issue-ID: SDC-3596
Signed-off-by: MichaelMorris <michael.morris@est.tech>
Signed-off-by: aribeiro <anderson.ribeiro@est.tech>
Change-Id: I310e14d0cf5a9ca0eb0bda592efe8a3baf73749c

2 files changed, 165 insertions, 0 deletions

diff --git a/catalog-be/src/main/java/org/openecomp/sdc/be/components/impl/ModelBusinessLogic.java b/catalog-be/src/main/java/org/openecomp/sdc/be/components/impl/ModelBusinessLogic.java
new file mode 100644
index 0000000000..1ef4cef701
--- /dev/null
+++ b/catalog-be/src/main/java/org/openecomp/sdc/be/components/impl/ModelBusinessLogic.java
@@ -0,0 +1,43 @@
+/*
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2021 Nordix Foundation
+ *  ================================================================================
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *
+ *  SPDX-License-Identifier: Apache-2.0
+ *  ============LICENSE_END=========================================================
+ */
+package org.openecomp.sdc.be.components.impl;
+
+import org.openecomp.sdc.be.model.Model;
+import org.openecomp.sdc.be.model.operations.impl.ModelOperation;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+@Component("modelBusinessLogic")
+public class ModelBusinessLogic {
+
+    private static final Logger log = LoggerFactory.getLogger(ModelBusinessLogic.class);
+    private final ModelOperation modelOperation;
+
+    @Autowired
+    public ModelBusinessLogic(final ModelOperation modelOperation) {
+        this.modelOperation = modelOperation;
+    }
+
+    public Model createModel(final Model model) {
+        log.debug("createModel: creating model {}", model);
+        return modelOperation.createModel(model, false);
+    }
+}
\ No newline at end of file
diff --git a/catalog-be/src/main/java/org/openecomp/sdc/be/servlets/ModelServlet.java b/catalog-be/src/main/java/org/openecomp/sdc/be/servlets/ModelServlet.java
new file mode 100644
index 0000000000..f4fc883b4c
--- /dev/null
+++ b/catalog-be/src/main/java/org/openecomp/sdc/be/servlets/ModelServlet.java
@@ -0,0 +1,122 @@
+/*
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2021 Nordix Foundation
+ *  ================================================================================
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *
+ *  SPDX-License-Identifier: Apache-2.0
+ *  ============LICENSE_END=========================================================
+ */
+package org.openecomp.sdc.be.servlets;
+
+import com.googlecode.jmapper.JMapper;
+import com.jcabi.aspects.Loggable;
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.Parameter;
+import io.swagger.v3.oas.annotations.media.ArraySchema;
+import io.swagger.v3.oas.annotations.media.Content;
+import io.swagger.v3.oas.annotations.media.Schema;
+import io.swagger.v3.oas.annotations.responses.ApiResponse;
+import io.swagger.v3.oas.annotations.servers.Server;
+import io.swagger.v3.oas.annotations.tags.Tag;
+import java.util.Arrays;
+import javax.inject.Inject;
+import javax.validation.Valid;
+import javax.validation.constraints.NotNull;
+import javax.ws.rs.Consumes;
+import javax.ws.rs.HeaderParam;
+import javax.ws.rs.POST;
+import javax.ws.rs.Path;
+import javax.ws.rs.Produces;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response;
+import org.openecomp.sdc.be.components.impl.ComponentInstanceBusinessLogic;
+import org.openecomp.sdc.be.components.impl.ModelBusinessLogic;
+import org.openecomp.sdc.be.components.impl.ResourceImportManager;
+import org.openecomp.sdc.be.components.impl.aaf.AafPermission;
+import org.openecomp.sdc.be.components.impl.aaf.PermissionAllowed;
+import org.openecomp.sdc.be.components.validation.UserValidations;
+import org.openecomp.sdc.be.config.BeEcompErrorManager;
+import org.openecomp.sdc.be.dao.api.ActionStatus;
+import org.openecomp.sdc.be.exception.BusinessException;
+import org.openecomp.sdc.be.impl.ComponentsUtils;
+import org.openecomp.sdc.be.impl.ServletUtils;
+import org.openecomp.sdc.be.model.Model;
+import org.openecomp.sdc.be.ui.model.ModelCreateRequest;
+import org.openecomp.sdc.be.user.Role;
+import org.openecomp.sdc.be.user.UserBusinessLogic;
+import org.openecomp.sdc.common.api.Constants;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.RequestBody;
+
+/**
+ * Root resource (exposed at "/" path)
+ */
+@Loggable(prepend = true, value = Loggable.DEBUG, trim = false)
+@Path("/v1/catalog")
+@Tag(name = "SDCE-2 APIs")
+@Server(url = "/sdc2/rest")
+@Controller
+public class ModelServlet extends AbstractValidationsServlet {
+
+    private static final Logger log = LoggerFactory.getLogger(ModelServlet.class);
+    private final ModelBusinessLogic modelBusinessLogic;
+    private final UserValidations userValidations;
+
+    @Inject
+    public ModelServlet(final UserBusinessLogic userBusinessLogic, final ComponentInstanceBusinessLogic componentInstanceBL,
+                        final ComponentsUtils componentsUtils, final ServletUtils servletUtils, final ResourceImportManager resourceImportManager,
+                        final ModelBusinessLogic modelBusinessLogic, final UserValidations userValidations) {
+        super(userBusinessLogic, componentInstanceBL, componentsUtils, servletUtils, resourceImportManager);
+        this.modelBusinessLogic = modelBusinessLogic;
+        this.userValidations = userValidations;
+    }
+
+    @POST
+    @Path("/model")
+    @Consumes(MediaType.APPLICATION_JSON)
+    @Produces(MediaType.APPLICATION_JSON)
+    @Operation(description = "Create model", method = "POST", summary = "Returns created model", responses = {
+        @ApiResponse(content = @Content(array = @ArraySchema(schema = @Schema(implementation = Response.class)))),
+        @ApiResponse(responseCode = "201", description = "Model created"),
+        @ApiResponse(responseCode = "403", description = "Restricted operation"),
+        @ApiResponse(responseCode = "400", description = "Invalid content / Missing content"),
+        @ApiResponse(responseCode = "409", description = "Resource already exists")})
+    @PermissionAllowed(AafPermission.PermNames.INTERNAL_ALL_VALUE)
+    public Response createModel(@Parameter(description = "model to be created", required = true)
+                                    @Valid @RequestBody @NotNull final ModelCreateRequest modelCreateRequest,
+                                @HeaderParam(value = Constants.USER_ID_HEADER) String userId) {
+
+        validateUser(userId);
+        try {
+            final Model modelCreateResponse = modelBusinessLogic
+                .createModel(new JMapper<>(Model.class, ModelCreateRequest.class).getDestination(modelCreateRequest));
+            return buildOkResponse(getComponentsUtils().getResponseFormat(ActionStatus.CREATED),
+                RepresentationUtils.toRepresentation(modelCreateResponse));
+        } catch (final BusinessException e) {
+            throw e;
+        } catch (final Exception e) {
+            var errorMsg = String
+                .format("Unexpected error while creating model '%s'", modelCreateRequest.getName());
+            BeEcompErrorManager.getInstance().logBeRestApiGeneralError(errorMsg);
+            log.error(errorMsg, e);
+            return buildErrorResponse(getComponentsUtils().getResponseFormat(ActionStatus.GENERAL_ERROR));
+        }
+    }
+
+    private void validateUser(final String userId) {
+        userValidations.validateUserRole(userValidations.validateUserExists(userId), Arrays.asList(Role.DESIGNER, Role.ADMIN));
+    }
+
+}