added /priorities end-point to PolicyManagement

components/device-mgt/org.wso2.carbon.device.mgt.api/src/main/java/org/wso2/carbon/device/mgt/jaxrs/service/api/PolicyManagementService.java

@@ -23,6 +23,7 @@ import org.wso2.carbon.apimgt.annotations.api.Permission;
 import org.wso2.carbon.device.mgt.jaxrs.beans.ErrorResponse;
 import org.wso2.carbon.device.mgt.jaxrs.beans.PolicyWrapper;
 import org.wso2.carbon.policy.mgt.common.Policy;
+import org.wso2.carbon.device.mgt.jaxrs.beans.PriorityUpdatedPolicyWrapper;
 
 import javax.ws.rs.*;
 import javax.ws.rs.core.MediaType;
@@ -387,4 +388,32 @@ public interface PolicyManagementService {
                     required = true) List<Integer> policyIds);
 
 
+    @PUT
+    @Path("/priorities")
+    @ApiOperation(
+            consumes = MediaType.APPLICATION_JSON,
+            produces = MediaType.APPLICATION_JSON,
+            httpMethod = "PUT",
+            value = "Prioritizing policies.",
+            notes = "",
+            tags = "Device Policy Management"
+    )
+    @ApiResponses(value = {
+            @ApiResponse(
+                    code = 200,
+                    message = "Policy Priorities successfully updated."),
+            @ApiResponse(
+                    code = 400,
+                    message = "Policy priorities did not update. Bad Request.",
+                    response = ErrorResponse.class),
+            @ApiResponse(
+                    code = 500,
+                    message = "Exception in updating policy priorities.",
+                    response = ErrorResponse.class)
+    })
+    @Permission(scope = "", permissions = {})
+    Response updatePolicyPriorities(@ApiParam(name = "priorityUpdatedPolicies", value = "",
+            required = true) List<PriorityUpdatedPolicyWrapper> priorityUpdatedPolicies);
+
+
 }

components/device-mgt/org.wso2.carbon.device.mgt.api/src/main/java/org/wso2/carbon/device/mgt/jaxrs/service/impl/PolicyManagementServiceImpl.java

@@ -40,10 +40,12 @@ import org.wso2.carbon.policy.mgt.common.Policy;
 import org.wso2.carbon.policy.mgt.common.PolicyAdministratorPoint;
 import org.wso2.carbon.policy.mgt.common.PolicyManagementException;
 import org.wso2.carbon.policy.mgt.core.PolicyManagerService;
+import org.wso2.carbon.device.mgt.jaxrs.beans.PriorityUpdatedPolicyWrapper;
 
 import javax.ws.rs.*;
 import javax.ws.rs.core.MediaType;
 import javax.ws.rs.core.Response;
+import java.util.ArrayList;
 import java.util.List;
 
 @Path("/policies")
@@ -301,4 +303,37 @@ public class PolicyManagementServiceImpl implements PolicyManagementService {
         }
     }
 
+    @PUT
+    @Path("/priorities")
+    public Response updatePolicyPriorities(List<PriorityUpdatedPolicyWrapper> priorityUpdatedPolicies) {
+        PolicyManagerService policyManagementService = DeviceMgtAPIUtils.getPolicyManagementService();
+        List<Policy> policiesToUpdate = new ArrayList<>(priorityUpdatedPolicies.size());
+        int i;
+        for (i = 0; i < priorityUpdatedPolicies.size(); i++) {
+            Policy policyObj = new Policy();
+            policyObj.setId(priorityUpdatedPolicies.get(i).getId());
+            policyObj.setPriorityId(priorityUpdatedPolicies.get(i).getPriority());
+            policiesToUpdate.add(policyObj);
+        }
+        boolean policiesUpdated;
+        try {
+            PolicyAdministratorPoint pap = policyManagementService.getPAP();
+            policiesUpdated = pap.updatePolicyPriorities(policiesToUpdate);
+        } catch (PolicyManagementException e) {
+            String error = "Exception in updating policy priorities.";
+            log.error(error, e);
+            throw new UnexpectedServerErrorException(
+                    new ErrorResponse.ErrorResponseBuilder().setCode(500l).setMessage(error).build());
+        }
+        if (policiesUpdated) {
+            return Response.status(Response.Status.OK).entity("Policy Priorities successfully "
+                    + "updated.").build();
+
+        } else {
+            throw new NotFoundException(
+                    new ErrorResponse.ErrorResponseBuilder().setCode(400l).setMessage("Policy priorities did "
+                            + "not update. Bad Request.").build());
+        }
+    }
+
 }