package authorization

// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License. See License.txt in the project root for license information.
//
// Code generated by Microsoft (R) AutoRest Code Generator.
// Changes may cause incorrect behavior and will be lost if the code is regenerated.

import (
	"context"
	"github.com/Azure/go-autorest/autorest"
	"github.com/Azure/go-autorest/autorest/azure"
	"github.com/Azure/go-autorest/autorest/validation"
	"github.com/Azure/go-autorest/tracing"
	"net/http"
)

// RoleAssignmentsClient is the client for the RoleAssignments methods of the Authorization service.
type RoleAssignmentsClient struct {
	BaseClient
}

// NewRoleAssignmentsClient creates an instance of the RoleAssignmentsClient client.
func NewRoleAssignmentsClient(subscriptionID string) RoleAssignmentsClient {
	return NewRoleAssignmentsClientWithBaseURI(DefaultBaseURI, subscriptionID)
}

// NewRoleAssignmentsClientWithBaseURI creates an instance of the RoleAssignmentsClient client using a custom endpoint.
// Use this when interacting with an Azure cloud that uses a non-standard base URI (sovereign clouds, Azure stack).
func NewRoleAssignmentsClientWithBaseURI(baseURI string, subscriptionID string) RoleAssignmentsClient {
	return RoleAssignmentsClient{NewWithBaseURI(baseURI, subscriptionID)}
}

// Create creates a role assignment.
// Parameters:
// scope - the scope of the role assignment to create. The scope can be any REST resource instance. For
// example, use '/subscriptions/{subscription-id}/' for a subscription,
// '/subscriptions/{subscription-id}/resourceGroups/{resource-group-name}' for a resource group, and
// '/subscriptions/{subscription-id}/resourceGroups/{resource-group-name}/providers/{resource-provider}/{resource-type}/{resource-name}'
// for a resource.
// roleAssignmentName - the name of the role assignment to create. It can be any valid GUID.
// parameters - parameters for the role assignment.
func (client RoleAssignmentsClient) Create(ctx context.Context, scope string, roleAssignmentName string, parameters RoleAssignmentCreateParameters) (result RoleAssignment, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/RoleAssignmentsClient.Create")
		defer func() {
			sc := -1
			if result.Response.Response != nil {
				sc = result.Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	if err := validation.Validate([]validation.Validation{
		{TargetValue: parameters,
			Constraints: []validation.Constraint{{Target: "parameters.RoleAssignmentProperties", Name: validation.Null, Rule: true,
				Chain: []validation.Constraint{{Target: "parameters.RoleAssignmentProperties.RoleDefinitionID", Name: validation.Null, Rule: true, Chain: nil},
					{Target: "parameters.RoleAssignmentProperties.PrincipalID", Name: validation.Null, Rule: true, Chain: nil},
				}}}}}); err != nil {
		return result, validation.NewError("authorization.RoleAssignmentsClient", "Create", err.Error())
	}

	req, err := client.CreatePreparer(ctx, scope, roleAssignmentName, parameters)
	if err != nil {
		err = autorest.NewErrorWithError(err, "authorization.RoleAssignmentsClient", "Create", nil, "Failure preparing request")
		return
	}

	resp, err := client.CreateSender(req)
	if err != nil {
		result.Response = autorest.Response{Response: resp}
		err = autorest.NewErrorWithError(err, "authorization.RoleAssignmentsClient", "Create", resp, "Failure sending request")
		return
	}

	result, err = client.CreateResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "authorization.RoleAssignmentsClient", "Create", resp, "Failure responding to request")
		return
	}

	return
}

// CreatePreparer prepares the Create request.
func (client RoleAssignmentsClient) CreatePreparer(ctx context.Context, scope string, roleAssignmentName string, parameters RoleAssignmentCreateParameters) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"roleAssignmentName": autorest.Encode("path", roleAssignmentName),
		"scope":              scope,
	}

	const APIVersion = "2018-09-01-preview"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsContentType("application/json; charset=utf-8"),
		autorest.AsPut(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/{scope}/providers/Microsoft.Authorization/roleAssignments/{roleAssignmentName}", pathParameters),
		autorest.WithJSON(parameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

// CreateSender sends the Create request. The method will close the
// http.Response Body if it receives an error.
func (client RoleAssignmentsClient) CreateSender(req *http.Request) (*http.Response, error) {
	return client.Send(req, autorest.DoRetryForStatusCodes(client.RetryAttempts, client.RetryDuration, autorest.StatusCodesForRetry...))
}

// CreateResponder handles the response to the Create request. The method always
// closes the http.Response Body.
func (client RoleAssignmentsClient) CreateResponder(resp *http.Response) (result RoleAssignment, err error) {
	err = autorest.Respond(
		resp,
		azure.WithErrorUnlessStatusCode(http.StatusOK, http.StatusCreated),
		autorest.ByUnmarshallingJSON(&result),
		autorest.ByClosing())
	result.Response = autorest.Response{Response: resp}
	return
}

// CreateByID creates a role assignment by ID.
// Parameters:
// roleID - the ID of the role assignment to create.
// parameters - parameters for the role assignment.
func (client RoleAssignmentsClient) CreateByID(ctx context.Context, roleID string, parameters RoleAssignmentCreateParameters) (result RoleAssignment, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/RoleAssignmentsClient.CreateByID")
		defer func() {
			sc := -1
			if result.Response.Response != nil {
				sc = result.Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	if err := validation.Validate([]validation.Validation{
		{TargetValue: parameters,
			Constraints: []validation.Constraint{{Target: "parameters.RoleAssignmentProperties", Name: validation.Null, Rule: true,
				Chain: []validation.Constraint{{Target: "parameters.RoleAssignmentProperties.RoleDefinitionID", Name: validation.Null, Rule: true, Chain: nil},
					{Target: "parameters.RoleAssignmentProperties.PrincipalID", Name: validation.Null, Rule: true, Chain: nil},
				}}}}}); err != nil {
		return result, validation.NewError("authorization.RoleAssignmentsClient", "CreateByID", err.Error())
	}

	req, err := client.CreateByIDPreparer(ctx, roleID, parameters)
	if err != nil {
		err = autorest.NewErrorWithError(err, "authorization.RoleAssignmentsClient", "CreateByID", nil, "Failure preparing request")
		return
	}

	resp, err := client.CreateByIDSender(req)
	if err != nil {
		result.Response = autorest.Response{Response: resp}
		err = autorest.NewErrorWithError(err, "authorization.RoleAssignmentsClient", "CreateByID", resp, "Failure sending request")
		return
	}

	result, err = client.CreateByIDResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "authorization.RoleAssignmentsClient", "CreateByID", resp, "Failure responding to request")
		return
	}

	return
}

// CreateByIDPreparer prepares the CreateByID request.
func (client RoleAssignmentsClient) CreateByIDPreparer(ctx context.Context, roleID string, parameters RoleAssignmentCreateParameters) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"roleId": roleID,
	}

	const APIVersion = "2018-09-01-preview"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsContentType("application/json; charset=utf-8"),
		autorest.AsPut(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/{roleId}", pathParameters),
		autorest.WithJSON(parameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

// CreateByIDSender sends the CreateByID request. The method will close the
// http.Response Body if it receives an error.
func (client RoleAssignmentsClient) CreateByIDSender(req *http.Request) (*http.Response, error) {
	return client.Send(req, autorest.DoRetryForStatusCodes(client.RetryAttempts, client.RetryDuration, autorest.StatusCodesForRetry...))
}

// CreateByIDResponder handles the response to the CreateByID request. The method always
// closes the http.Response Body.
func (client RoleAssignmentsClient) CreateByIDResponder(resp *http.Response) (result RoleAssignment, err error) {
	err = autorest.Respond(
		resp,
		azure.WithErrorUnlessStatusCode(http.StatusOK, http.StatusCreated),
		autorest.ByUnmarshallingJSON(&result),
		autorest.ByClosing())
	result.Response = autorest.Response{Response: resp}
	return
}

// Delete deletes a role assignment.
// Parameters:
// scope - the scope of the role assignment to delete.
// roleAssignmentName - the name of the role assignment to delete.
func (client RoleAssignmentsClient) Delete(ctx context.Context, scope string, roleAssignmentName string) (result RoleAssignment, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/RoleAssignmentsClient.Delete")
		defer func() {
			sc := -1
			if result.Response.Response != nil {
				sc = result.Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	req, err := client.DeletePreparer(ctx, scope, roleAssignmentName)
	if err != nil {
		err = autorest.NewErrorWithError(err, "authorization.RoleAssignmentsClient", "Delete", nil, "Failure preparing request")
		return
	}

	resp, err := client.DeleteSender(req)
	if err != nil {
		result.Response = autorest.Response{Response: resp}
		err = autorest.NewErrorWithError(err, "authorization.RoleAssignmentsClient", "Delete", resp, "Failure sending request")
		return
	}

	result, err = client.DeleteResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "authorization.RoleAssignmentsClient", "Delete", resp, "Failure responding to request")
		return
	}

	return
}

// DeletePreparer prepares the Delete request.
func (client RoleAssignmentsClient) DeletePreparer(ctx context.Context, scope string, roleAssignmentName string) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"roleAssignmentName": autorest.Encode("path", roleAssignmentName),
		"scope":              scope,
	}

	const APIVersion = "2018-09-01-preview"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsDelete(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/{scope}/providers/Microsoft.Authorization/roleAssignments/{roleAssignmentName}", pathParameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

// DeleteSender sends the Delete request. The method will close the
// http.Response Body if it receives an error.
func (client RoleAssignmentsClient) DeleteSender(req *http.Request) (*http.Response, error) {
	return client.Send(req, autorest.DoRetryForStatusCodes(client.RetryAttempts, client.RetryDuration, autorest.StatusCodesForRetry...))
}

// DeleteResponder handles the response to the Delete request. The method always
// closes the http.Response Body.
func (client RoleAssignmentsClient) DeleteResponder(resp *http.Response) (result RoleAssignment, err error) {
	err = autorest.Respond(
		resp,
		azure.WithErrorUnlessStatusCode(http.StatusOK),
		autorest.ByUnmarshallingJSON(&result),
		autorest.ByClosing())
	result.Response = autorest.Response{Response: resp}
	return
}

// DeleteByID deletes a role assignment.
// Parameters:
// roleID - the ID of the role assignment to delete.
func (client RoleAssignmentsClient) DeleteByID(ctx context.Context, roleID string) (result RoleAssignment, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/RoleAssignmentsClient.DeleteByID")
		defer func() {
			sc := -1
			if result.Response.Response != nil {
				sc = result.Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	req, err := client.DeleteByIDPreparer(ctx, roleID)
	if err != nil {
		err = autorest.NewErrorWithError(err, "authorization.RoleAssignmentsClient", "DeleteByID", nil, "Failure preparing request")
		return
	}

	resp, err := client.DeleteByIDSender(req)
	if err != nil {
		result.Response = autorest.Response{Response: resp}
		err = autorest.NewErrorWithError(err, "authorization.RoleAssignmentsClient", "DeleteByID", resp, "Failure sending request")
		return
	}

	result, err = client.DeleteByIDResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "authorization.RoleAssignmentsClient", "DeleteByID", resp, "Failure responding to request")
		return
	}

	return
}

// DeleteByIDPreparer prepares the DeleteByID request.
func (client RoleAssignmentsClient) DeleteByIDPreparer(ctx context.Context, roleID string) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"roleId": roleID,
	}

	const APIVersion = "2018-09-01-preview"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsDelete(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/{roleId}", pathParameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

// DeleteByIDSender sends the DeleteByID request. The method will close the
// http.Response Body if it receives an error.
func (client RoleAssignmentsClient) DeleteByIDSender(req *http.Request) (*http.Response, error) {
	return client.Send(req, autorest.DoRetryForStatusCodes(client.RetryAttempts, client.RetryDuration, autorest.StatusCodesForRetry...))
}

// DeleteByIDResponder handles the response to the DeleteByID request. The method always
// closes the http.Response Body.
func (client RoleAssignmentsClient) DeleteByIDResponder(resp *http.Response) (result RoleAssignment, err error) {
	err = autorest.Respond(
		resp,
		azure.WithErrorUnlessStatusCode(http.StatusOK),
		autorest.ByUnmarshallingJSON(&result),
		autorest.ByClosing())
	result.Response = autorest.Response{Response: resp}
	return
}

// Get get the specified role assignment.
// Parameters:
// scope - the scope of the role assignment.
// roleAssignmentName - the name of the role assignment to get.
func (client RoleAssignmentsClient) Get(ctx context.Context, scope string, roleAssignmentName string) (result RoleAssignment, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/RoleAssignmentsClient.Get")
		defer func() {
			sc := -1
			if result.Response.Response != nil {
				sc = result.Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	req, err := client.GetPreparer(ctx, scope, roleAssignmentName)
	if err != nil {
		err = autorest.NewErrorWithError(err, "authorization.RoleAssignmentsClient", "Get", nil, "Failure preparing request")
		return
	}

	resp, err := client.GetSender(req)
	if err != nil {
		result.Response = autorest.Response{Response: resp}
		err = autorest.NewErrorWithError(err, "authorization.RoleAssignmentsClient", "Get", resp, "Failure sending request")
		return
	}

	result, err = client.GetResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "authorization.RoleAssignmentsClient", "Get", resp, "Failure responding to request")
		return
	}

	return
}

// GetPreparer prepares the Get request.
func (client RoleAssignmentsClient) GetPreparer(ctx context.Context, scope string, roleAssignmentName string) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"roleAssignmentName": autorest.Encode("path", roleAssignmentName),
		"scope":              scope,
	}

	const APIVersion = "2018-09-01-preview"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsGet(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/{scope}/providers/Microsoft.Authorization/roleAssignments/{roleAssignmentName}", pathParameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

// GetSender sends the Get request. The method will close the
// http.Response Body if it receives an error.
func (client RoleAssignmentsClient) GetSender(req *http.Request) (*http.Response, error) {
	return client.Send(req, autorest.DoRetryForStatusCodes(client.RetryAttempts, client.RetryDuration, autorest.StatusCodesForRetry...))
}

// GetResponder handles the response to the Get request. The method always
// closes the http.Response Body.
func (client RoleAssignmentsClient) GetResponder(resp *http.Response) (result RoleAssignment, err error) {
	err = autorest.Respond(
		resp,
		azure.WithErrorUnlessStatusCode(http.StatusOK),
		autorest.ByUnmarshallingJSON(&result),
		autorest.ByClosing())
	result.Response = autorest.Response{Response: resp}
	return
}

// GetByID gets a role assignment by ID.
// Parameters:
// roleID - the ID of the role assignment to get.
func (client RoleAssignmentsClient) GetByID(ctx context.Context, roleID string) (result RoleAssignment, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/RoleAssignmentsClient.GetByID")
		defer func() {
			sc := -1
			if result.Response.Response != nil {
				sc = result.Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	req, err := client.GetByIDPreparer(ctx, roleID)
	if err != nil {
		err = autorest.NewErrorWithError(err, "authorization.RoleAssignmentsClient", "GetByID", nil, "Failure preparing request")
		return
	}

	resp, err := client.GetByIDSender(req)
	if err != nil {
		result.Response = autorest.Response{Response: resp}
		err = autorest.NewErrorWithError(err, "authorization.RoleAssignmentsClient", "GetByID", resp, "Failure sending request")
		return
	}

	result, err = client.GetByIDResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "authorization.RoleAssignmentsClient", "GetByID", resp, "Failure responding to request")
		return
	}

	return
}

// GetByIDPreparer prepares the GetByID request.
func (client RoleAssignmentsClient) GetByIDPreparer(ctx context.Context, roleID string) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"roleId": roleID,
	}

	const APIVersion = "2018-09-01-preview"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsGet(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/{roleId}", pathParameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

// GetByIDSender sends the GetByID request. The method will close the
// http.Response Body if it receives an error.
func (client RoleAssignmentsClient) GetByIDSender(req *http.Request) (*http.Response, error) {
	return client.Send(req, autorest.DoRetryForStatusCodes(client.RetryAttempts, client.RetryDuration, autorest.StatusCodesForRetry...))
}

// GetByIDResponder handles the response to the GetByID request. The method always
// closes the http.Response Body.
func (client RoleAssignmentsClient) GetByIDResponder(resp *http.Response) (result RoleAssignment, err error) {
	err = autorest.Respond(
		resp,
		azure.WithErrorUnlessStatusCode(http.StatusOK),
		autorest.ByUnmarshallingJSON(&result),
		autorest.ByClosing())
	result.Response = autorest.Response{Response: resp}
	return
}

// List gets all role assignments for the subscription.
// Parameters:
// filter - the filter to apply on the operation. Use $filter=atScope() to return all role assignments at or
// above the scope. Use $filter=principalId eq {id} to return all role assignments at, above or below the scope
// for the specified principal.
func (client RoleAssignmentsClient) List(ctx context.Context, filter string) (result RoleAssignmentListResultPage, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/RoleAssignmentsClient.List")
		defer func() {
			sc := -1
			if result.ralr.Response.Response != nil {
				sc = result.ralr.Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	result.fn = client.listNextResults
	req, err := client.ListPreparer(ctx, filter)
	if err != nil {
		err = autorest.NewErrorWithError(err, "authorization.RoleAssignmentsClient", "List", nil, "Failure preparing request")
		return
	}

	resp, err := client.ListSender(req)
	if err != nil {
		result.ralr.Response = autorest.Response{Response: resp}
		err = autorest.NewErrorWithError(err, "authorization.RoleAssignmentsClient", "List", resp, "Failure sending request")
		return
	}

	result.ralr, err = client.ListResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "authorization.RoleAssignmentsClient", "List", resp, "Failure responding to request")
		return
	}
	if result.ralr.hasNextLink() && result.ralr.IsEmpty() {
		err = result.NextWithContext(ctx)
		return
	}

	return
}

// ListPreparer prepares the List request.
func (client RoleAssignmentsClient) ListPreparer(ctx context.Context, filter string) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"subscriptionId": autorest.Encode("path", client.SubscriptionID),
	}

	const APIVersion = "2018-09-01-preview"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}
	if len(filter) > 0 {
		queryParameters["$filter"] = autorest.Encode("query", filter)
	}

	preparer := autorest.CreatePreparer(
		autorest.AsGet(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/providers/Microsoft.Authorization/roleAssignments", pathParameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

// ListSender sends the List request. The method will close the
// http.Response Body if it receives an error.
func (client RoleAssignmentsClient) ListSender(req *http.Request) (*http.Response, error) {
	return client.Send(req, azure.DoRetryWithRegistration(client.Client))
}

// ListResponder handles the response to the List request. The method always
// closes the http.Response Body.
func (client RoleAssignmentsClient) ListResponder(resp *http.Response) (result RoleAssignmentListResult, err error) {
	err = autorest.Respond(
		resp,
		azure.WithErrorUnlessStatusCode(http.StatusOK),
		autorest.ByUnmarshallingJSON(&result),
		autorest.ByClosing())
	result.Response = autorest.Response{Response: resp}
	return
}

// listNextResults retrieves the next set of results, if any.
func (client RoleAssignmentsClient) listNextResults(ctx context.Context, lastResults RoleAssignmentListResult) (result RoleAssignmentListResult, err error) {
	req, err := lastResults.roleAssignmentListResultPreparer(ctx)
	if err != nil {
		return result, autorest.NewErrorWithError(err, "authorization.RoleAssignmentsClient", "listNextResults", nil, "Failure preparing next results request")
	}
	if req == nil {
		return
	}
	resp, err := client.ListSender(req)
	if err != nil {
		result.Response = autorest.Response{Response: resp}
		return result, autorest.NewErrorWithError(err, "authorization.RoleAssignmentsClient", "listNextResults", resp, "Failure sending next results request")
	}
	result, err = client.ListResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "authorization.RoleAssignmentsClient", "listNextResults", resp, "Failure responding to next results request")
	}
	return
}

// ListComplete enumerates all values, automatically crossing page boundaries as required.
func (client RoleAssignmentsClient) ListComplete(ctx context.Context, filter string) (result RoleAssignmentListResultIterator, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/RoleAssignmentsClient.List")
		defer func() {
			sc := -1
			if result.Response().Response.Response != nil {
				sc = result.page.Response().Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	result.page, err = client.List(ctx, filter)
	return
}

// ListForResource gets role assignments for a resource.
// Parameters:
// resourceGroupName - the name of the resource group.
// resourceProviderNamespace - the namespace of the resource provider.
// parentResourcePath - the parent resource identity.
// resourceType - the resource type of the resource.
// resourceName - the name of the resource to get role assignments for.
// filter - the filter to apply on the operation. Use $filter=atScope() to return all role assignments at or
// above the scope. Use $filter=principalId eq {id} to return all role assignments at, above or below the scope
// for the specified principal.
func (client RoleAssignmentsClient) ListForResource(ctx context.Context, resourceGroupName string, resourceProviderNamespace string, parentResourcePath string, resourceType string, resourceName string, filter string) (result RoleAssignmentListResultPage, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/RoleAssignmentsClient.ListForResource")
		defer func() {
			sc := -1
			if result.ralr.Response.Response != nil {
				sc = result.ralr.Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	result.fn = client.listForResourceNextResults
	req, err := client.ListForResourcePreparer(ctx, resourceGroupName, resourceProviderNamespace, parentResourcePath, resourceType, resourceName, filter)
	if err != nil {
		err = autorest.NewErrorWithError(err, "authorization.RoleAssignmentsClient", "ListForResource", nil, "Failure preparing request")
		return
	}

	resp, err := client.ListForResourceSender(req)
	if err != nil {
		result.ralr.Response = autorest.Response{Response: resp}
		err = autorest.NewErrorWithError(err, "authorization.RoleAssignmentsClient", "ListForResource", resp, "Failure sending request")
		return
	}

	result.ralr, err = client.ListForResourceResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "authorization.RoleAssignmentsClient", "ListForResource", resp, "Failure responding to request")
		return
	}
	if result.ralr.hasNextLink() && result.ralr.IsEmpty() {
		err = result.NextWithContext(ctx)
		return
	}

	return
}

// ListForResourcePreparer prepares the ListForResource request.
func (client RoleAssignmentsClient) ListForResourcePreparer(ctx context.Context, resourceGroupName string, resourceProviderNamespace string, parentResourcePath string, resourceType string, resourceName string, filter string) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"parentResourcePath":        parentResourcePath,
		"resourceGroupName":         autorest.Encode("path", resourceGroupName),
		"resourceName":              autorest.Encode("path", resourceName),
		"resourceProviderNamespace": autorest.Encode("path", resourceProviderNamespace),
		"resourceType":              resourceType,
		"subscriptionId":            autorest.Encode("path", client.SubscriptionID),
	}

	const APIVersion = "2018-09-01-preview"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}
	if len(filter) > 0 {
		queryParameters["$filter"] = autorest.Encode("query", filter)
	}

	preparer := autorest.CreatePreparer(
		autorest.AsGet(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourcegroups/{resourceGroupName}/providers/{resourceProviderNamespace}/{parentResourcePath}/{resourceType}/{resourceName}/providers/Microsoft.Authorization/roleAssignments", pathParameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

// ListForResourceSender sends the ListForResource request. The method will close the
// http.Response Body if it receives an error.
func (client RoleAssignmentsClient) ListForResourceSender(req *http.Request) (*http.Response, error) {
	return client.Send(req, azure.DoRetryWithRegistration(client.Client))
}

// ListForResourceResponder handles the response to the ListForResource request. The method always
// closes the http.Response Body.
func (client RoleAssignmentsClient) ListForResourceResponder(resp *http.Response) (result RoleAssignmentListResult, err error) {
	err = autorest.Respond(
		resp,
		azure.WithErrorUnlessStatusCode(http.StatusOK),
		autorest.ByUnmarshallingJSON(&result),
		autorest.ByClosing())
	result.Response = autorest.Response{Response: resp}
	return
}

// listForResourceNextResults retrieves the next set of results, if any.
func (client RoleAssignmentsClient) listForResourceNextResults(ctx context.Context, lastResults RoleAssignmentListResult) (result RoleAssignmentListResult, err error) {
	req, err := lastResults.roleAssignmentListResultPreparer(ctx)
	if err != nil {
		return result, autorest.NewErrorWithError(err, "authorization.RoleAssignmentsClient", "listForResourceNextResults", nil, "Failure preparing next results request")
	}
	if req == nil {
		return
	}
	resp, err := client.ListForResourceSender(req)
	if err != nil {
		result.Response = autorest.Response{Response: resp}
		return result, autorest.NewErrorWithError(err, "authorization.RoleAssignmentsClient", "listForResourceNextResults", resp, "Failure sending next results request")
	}
	result, err = client.ListForResourceResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "authorization.RoleAssignmentsClient", "listForResourceNextResults", resp, "Failure responding to next results request")
	}
	return
}

// ListForResourceComplete enumerates all values, automatically crossing page boundaries as required.
func (client RoleAssignmentsClient) ListForResourceComplete(ctx context.Context, resourceGroupName string, resourceProviderNamespace string, parentResourcePath string, resourceType string, resourceName string, filter string) (result RoleAssignmentListResultIterator, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/RoleAssignmentsClient.ListForResource")
		defer func() {
			sc := -1
			if result.Response().Response.Response != nil {
				sc = result.page.Response().Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	result.page, err = client.ListForResource(ctx, resourceGroupName, resourceProviderNamespace, parentResourcePath, resourceType, resourceName, filter)
	return
}

// ListForResourceGroup gets role assignments for a resource group.
// Parameters:
// resourceGroupName - the name of the resource group.
// filter - the filter to apply on the operation. Use $filter=atScope() to return all role assignments at or
// above the scope. Use $filter=principalId eq {id} to return all role assignments at, above or below the scope
// for the specified principal.
func (client RoleAssignmentsClient) ListForResourceGroup(ctx context.Context, resourceGroupName string, filter string) (result RoleAssignmentListResultPage, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/RoleAssignmentsClient.ListForResourceGroup")
		defer func() {
			sc := -1
			if result.ralr.Response.Response != nil {
				sc = result.ralr.Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	result.fn = client.listForResourceGroupNextResults
	req, err := client.ListForResourceGroupPreparer(ctx, resourceGroupName, filter)
	if err != nil {
		err = autorest.NewErrorWithError(err, "authorization.RoleAssignmentsClient", "ListForResourceGroup", nil, "Failure preparing request")
		return
	}

	resp, err := client.ListForResourceGroupSender(req)
	if err != nil {
		result.ralr.Response = autorest.Response{Response: resp}
		err = autorest.NewErrorWithError(err, "authorization.RoleAssignmentsClient", "ListForResourceGroup", resp, "Failure sending request")
		return
	}

	result.ralr, err = client.ListForResourceGroupResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "authorization.RoleAssignmentsClient", "ListForResourceGroup", resp, "Failure responding to request")
		return
	}
	if result.ralr.hasNextLink() && result.ralr.IsEmpty() {
		err = result.NextWithContext(ctx)
		return
	}

	return
}

// ListForResourceGroupPreparer prepares the ListForResourceGroup request.
func (client RoleAssignmentsClient) ListForResourceGroupPreparer(ctx context.Context, resourceGroupName string, filter string) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"resourceGroupName": autorest.Encode("path", resourceGroupName),
		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
	}

	const APIVersion = "2018-09-01-preview"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}
	if len(filter) > 0 {
		queryParameters["$filter"] = autorest.Encode("query", filter)
	}

	preparer := autorest.CreatePreparer(
		autorest.AsGet(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Authorization/roleAssignments", pathParameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

// ListForResourceGroupSender sends the ListForResourceGroup request. The method will close the
// http.Response Body if it receives an error.
func (client RoleAssignmentsClient) ListForResourceGroupSender(req *http.Request) (*http.Response, error) {
	return client.Send(req, azure.DoRetryWithRegistration(client.Client))
}

// ListForResourceGroupResponder handles the response to the ListForResourceGroup request. The method always
// closes the http.Response Body.
func (client RoleAssignmentsClient) ListForResourceGroupResponder(resp *http.Response) (result RoleAssignmentListResult, err error) {
	err = autorest.Respond(
		resp,
		azure.WithErrorUnlessStatusCode(http.StatusOK),
		autorest.ByUnmarshallingJSON(&result),
		autorest.ByClosing())
	result.Response = autorest.Response{Response: resp}
	return
}

// listForResourceGroupNextResults retrieves the next set of results, if any.
func (client RoleAssignmentsClient) listForResourceGroupNextResults(ctx context.Context, lastResults RoleAssignmentListResult) (result RoleAssignmentListResult, err error) {
	req, err := lastResults.roleAssignmentListResultPreparer(ctx)
	if err != nil {
		return result, autorest.NewErrorWithError(err, "authorization.RoleAssignmentsClient", "listForResourceGroupNextResults", nil, "Failure preparing next results request")
	}
	if req == nil {
		return
	}
	resp, err := client.ListForResourceGroupSender(req)
	if err != nil {
		result.Response = autorest.Response{Response: resp}
		return result, autorest.NewErrorWithError(err, "authorization.RoleAssignmentsClient", "listForResourceGroupNextResults", resp, "Failure sending next results request")
	}
	result, err = client.ListForResourceGroupResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "authorization.RoleAssignmentsClient", "listForResourceGroupNextResults", resp, "Failure responding to next results request")
	}
	return
}

// ListForResourceGroupComplete enumerates all values, automatically crossing page boundaries as required.
func (client RoleAssignmentsClient) ListForResourceGroupComplete(ctx context.Context, resourceGroupName string, filter string) (result RoleAssignmentListResultIterator, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/RoleAssignmentsClient.ListForResourceGroup")
		defer func() {
			sc := -1
			if result.Response().Response.Response != nil {
				sc = result.page.Response().Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	result.page, err = client.ListForResourceGroup(ctx, resourceGroupName, filter)
	return
}

// ListForScope gets role assignments for a scope.
// Parameters:
// scope - the scope of the role assignments.
// filter - the filter to apply on the operation. Use $filter=atScope() to return all role assignments at or
// above the scope. Use $filter=principalId eq {id} to return all role assignments at, above or below the scope
// for the specified principal.
func (client RoleAssignmentsClient) ListForScope(ctx context.Context, scope string, filter string) (result RoleAssignmentListResultPage, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/RoleAssignmentsClient.ListForScope")
		defer func() {
			sc := -1
			if result.ralr.Response.Response != nil {
				sc = result.ralr.Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	result.fn = client.listForScopeNextResults
	req, err := client.ListForScopePreparer(ctx, scope, filter)
	if err != nil {
		err = autorest.NewErrorWithError(err, "authorization.RoleAssignmentsClient", "ListForScope", nil, "Failure preparing request")
		return
	}

	resp, err := client.ListForScopeSender(req)
	if err != nil {
		result.ralr.Response = autorest.Response{Response: resp}
		err = autorest.NewErrorWithError(err, "authorization.RoleAssignmentsClient", "ListForScope", resp, "Failure sending request")
		return
	}

	result.ralr, err = client.ListForScopeResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "authorization.RoleAssignmentsClient", "ListForScope", resp, "Failure responding to request")
		return
	}
	if result.ralr.hasNextLink() && result.ralr.IsEmpty() {
		err = result.NextWithContext(ctx)
		return
	}

	return
}

// ListForScopePreparer prepares the ListForScope request.
func (client RoleAssignmentsClient) ListForScopePreparer(ctx context.Context, scope string, filter string) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"scope": scope,
	}

	const APIVersion = "2018-09-01-preview"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}
	if len(filter) > 0 {
		queryParameters["$filter"] = autorest.Encode("query", filter)
	}

	preparer := autorest.CreatePreparer(
		autorest.AsGet(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/{scope}/providers/Microsoft.Authorization/roleAssignments", pathParameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

// ListForScopeSender sends the ListForScope request. The method will close the
// http.Response Body if it receives an error.
func (client RoleAssignmentsClient) ListForScopeSender(req *http.Request) (*http.Response, error) {
	return client.Send(req, autorest.DoRetryForStatusCodes(client.RetryAttempts, client.RetryDuration, autorest.StatusCodesForRetry...))
}

// ListForScopeResponder handles the response to the ListForScope request. The method always
// closes the http.Response Body.
func (client RoleAssignmentsClient) ListForScopeResponder(resp *http.Response) (result RoleAssignmentListResult, err error) {
	err = autorest.Respond(
		resp,
		azure.WithErrorUnlessStatusCode(http.StatusOK),
		autorest.ByUnmarshallingJSON(&result),
		autorest.ByClosing())
	result.Response = autorest.Response{Response: resp}
	return
}

// listForScopeNextResults retrieves the next set of results, if any.
func (client RoleAssignmentsClient) listForScopeNextResults(ctx context.Context, lastResults RoleAssignmentListResult) (result RoleAssignmentListResult, err error) {
	req, err := lastResults.roleAssignmentListResultPreparer(ctx)
	if err != nil {
		return result, autorest.NewErrorWithError(err, "authorization.RoleAssignmentsClient", "listForScopeNextResults", nil, "Failure preparing next results request")
	}
	if req == nil {
		return
	}
	resp, err := client.ListForScopeSender(req)
	if err != nil {
		result.Response = autorest.Response{Response: resp}
		return result, autorest.NewErrorWithError(err, "authorization.RoleAssignmentsClient", "listForScopeNextResults", resp, "Failure sending next results request")
	}
	result, err = client.ListForScopeResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "authorization.RoleAssignmentsClient", "listForScopeNextResults", resp, "Failure responding to next results request")
	}
	return
}

// ListForScopeComplete enumerates all values, automatically crossing page boundaries as required.
func (client RoleAssignmentsClient) ListForScopeComplete(ctx context.Context, scope string, filter string) (result RoleAssignmentListResultIterator, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/RoleAssignmentsClient.ListForScope")
		defer func() {
			sc := -1
			if result.Response().Response.Response != nil {
				sc = result.page.Response().Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	result.page, err = client.ListForScope(ctx, scope, filter)
	return
}
