assignments.go

package policy

// 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"
)

// AssignmentsClient is the client for the Assignments methods of the Policy service.
type AssignmentsClient struct {
	BaseClient
}

// NewAssignmentsClient creates an instance of the AssignmentsClient client.
func NewAssignmentsClient() AssignmentsClient {
	return NewAssignmentsClientWithBaseURI(DefaultBaseURI)
}

// NewAssignmentsClientWithBaseURI creates an instance of the AssignmentsClient 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 NewAssignmentsClientWithBaseURI(baseURI string) AssignmentsClient {
	return AssignmentsClient{NewWithBaseURI(baseURI)}
}

// Create this operation creates or updates a policy assignment with the given scope and name. Policy assignments apply
// to all resources contained within their scope. For example, when you assign a policy at resource group scope, that
// policy applies to all resources in the group.
// Parameters:
// scope - the scope of the policy assignment. Valid scopes are: management group (format:
// '/providers/Microsoft.Management/managementGroups/{managementGroup}'), subscription (format:
// '/subscriptions/{subscriptionId}'), resource group (format:
// '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}', or resource (format:
// '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/{resourceProviderNamespace}/[{parentResourcePath}/]{resourceType}/{resourceName}'
// policyAssignmentName - the name of the policy assignment.
// parameters - parameters for the policy assignment.
func (client AssignmentsClient) Create(ctx context.Context, scope string, policyAssignmentName string, parameters Assignment) (result Assignment, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/AssignmentsClient.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.Sku", Name: validation.Null, Rule: false,
				Chain: []validation.Constraint{{Target: "parameters.Sku.Name", Name: validation.Null, Rule: true, Chain: nil}}}}}}); err != nil {
		return result, validation.NewError("policy.AssignmentsClient", "Create", err.Error())
	}

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

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

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

	return
}

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

	const APIVersion = "2020-03-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	parameters.ID = nil
	parameters.Type = nil
	parameters.Name = nil
	preparer := autorest.CreatePreparer(
		autorest.AsContentType("application/json; charset=utf-8"),
		autorest.AsPut(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/{scope}/providers/Microsoft.Authorization/policyAssignments/{policyAssignmentName}", 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 AssignmentsClient) 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 AssignmentsClient) CreateResponder(resp *http.Response) (result Assignment, 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 this operation creates or updates the policy assignment with the given ID. Policy assignments made on a
// scope apply to all resources contained in that scope. For example, when you assign a policy to a resource group that
// policy applies to all resources in the group. Policy assignment IDs have this format:
// '{scope}/providers/Microsoft.Authorization/policyAssignments/{policyAssignmentName}'. Valid scopes are: management
// group (format: '/providers/Microsoft.Management/managementGroups/{managementGroup}'), subscription (format:
// '/subscriptions/{subscriptionId}'), resource group (format:
// '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}', or resource (format:
// '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/{resourceProviderNamespace}/[{parentResourcePath}/]{resourceType}/{resourceName}'.
// Parameters:
// policyAssignmentID - the ID of the policy assignment to create. Use the format
// '{scope}/providers/Microsoft.Authorization/policyAssignments/{policyAssignmentName}'.
// parameters - parameters for policy assignment.
func (client AssignmentsClient) CreateByID(ctx context.Context, policyAssignmentID string, parameters Assignment) (result Assignment, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/AssignmentsClient.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.Sku", Name: validation.Null, Rule: false,
				Chain: []validation.Constraint{{Target: "parameters.Sku.Name", Name: validation.Null, Rule: true, Chain: nil}}}}}}); err != nil {
		return result, validation.NewError("policy.AssignmentsClient", "CreateByID", err.Error())
	}

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

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

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

	return
}

// CreateByIDPreparer prepares the CreateByID request.
func (client AssignmentsClient) CreateByIDPreparer(ctx context.Context, policyAssignmentID string, parameters Assignment) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"policyAssignmentId": policyAssignmentID,
	}

	const APIVersion = "2020-03-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	parameters.ID = nil
	parameters.Type = nil
	parameters.Name = nil
	preparer := autorest.CreatePreparer(
		autorest.AsContentType("application/json; charset=utf-8"),
		autorest.AsPut(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/{policyAssignmentId}", 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 AssignmentsClient) 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 AssignmentsClient) CreateByIDResponder(resp *http.Response) (result Assignment, 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 this operation deletes a policy assignment, given its name and the scope it was created in. The scope of a
// policy assignment is the part of its ID preceding
// '/providers/Microsoft.Authorization/policyAssignments/{policyAssignmentName}'.
// Parameters:
// scope - the scope of the policy assignment. Valid scopes are: management group (format:
// '/providers/Microsoft.Management/managementGroups/{managementGroup}'), subscription (format:
// '/subscriptions/{subscriptionId}'), resource group (format:
// '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}', or resource (format:
// '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/{resourceProviderNamespace}/[{parentResourcePath}/]{resourceType}/{resourceName}'
// policyAssignmentName - the name of the policy assignment to delete.
func (client AssignmentsClient) Delete(ctx context.Context, scope string, policyAssignmentName string) (result Assignment, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/AssignmentsClient.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, policyAssignmentName)
	if err != nil {
		err = autorest.NewErrorWithError(err, "policy.AssignmentsClient", "Delete", nil, "Failure preparing request")
		return
	}

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

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

	return
}

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

	const APIVersion = "2020-03-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsDelete(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/{scope}/providers/Microsoft.Authorization/policyAssignments/{policyAssignmentName}", 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 AssignmentsClient) 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 AssignmentsClient) DeleteResponder(resp *http.Response) (result Assignment, err error) {
	err = autorest.Respond(
		resp,
		azure.WithErrorUnlessStatusCode(http.StatusOK, http.StatusNoContent),
		autorest.ByUnmarshallingJSON(&result),
		autorest.ByClosing())
	result.Response = autorest.Response{Response: resp}
	return
}

// DeleteByID this operation deletes the policy with the given ID. Policy assignment IDs have this format:
// '{scope}/providers/Microsoft.Authorization/policyAssignments/{policyAssignmentName}'. Valid formats for {scope} are:
// '/providers/Microsoft.Management/managementGroups/{managementGroup}' (management group),
// '/subscriptions/{subscriptionId}' (subscription),
// '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}' (resource group), or
// '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/{resourceProviderNamespace}/[{parentResourcePath}/]{resourceType}/{resourceName}'
// (resource).
// Parameters:
// policyAssignmentID - the ID of the policy assignment to delete. Use the format
// '{scope}/providers/Microsoft.Authorization/policyAssignments/{policyAssignmentName}'.
func (client AssignmentsClient) DeleteByID(ctx context.Context, policyAssignmentID string) (result Assignment, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/AssignmentsClient.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, policyAssignmentID)
	if err != nil {
		err = autorest.NewErrorWithError(err, "policy.AssignmentsClient", "DeleteByID", nil, "Failure preparing request")
		return
	}

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

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

	return
}

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

	const APIVersion = "2020-03-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsDelete(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/{policyAssignmentId}", 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 AssignmentsClient) 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 AssignmentsClient) DeleteByIDResponder(resp *http.Response) (result Assignment, err error) {
	err = autorest.Respond(
		resp,
		azure.WithErrorUnlessStatusCode(http.StatusOK, http.StatusNoContent),
		autorest.ByUnmarshallingJSON(&result),
		autorest.ByClosing())
	result.Response = autorest.Response{Response: resp}
	return
}

// Get this operation retrieves a single policy assignment, given its name and the scope it was created at.
// Parameters:
// scope - the scope of the policy assignment. Valid scopes are: management group (format:
// '/providers/Microsoft.Management/managementGroups/{managementGroup}'), subscription (format:
// '/subscriptions/{subscriptionId}'), resource group (format:
// '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}', or resource (format:
// '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/{resourceProviderNamespace}/[{parentResourcePath}/]{resourceType}/{resourceName}'
// policyAssignmentName - the name of the policy assignment to get.
func (client AssignmentsClient) Get(ctx context.Context, scope string, policyAssignmentName string) (result Assignment, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/AssignmentsClient.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, policyAssignmentName)
	if err != nil {
		err = autorest.NewErrorWithError(err, "policy.AssignmentsClient", "Get", nil, "Failure preparing request")
		return
	}

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

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

	return
}

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

	const APIVersion = "2020-03-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsGet(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/{scope}/providers/Microsoft.Authorization/policyAssignments/{policyAssignmentName}", 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 AssignmentsClient) 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 AssignmentsClient) GetResponder(resp *http.Response) (result Assignment, err error) {
	err = autorest.Respond(
		resp,
		azure.WithErrorUnlessStatusCode(http.StatusOK),
		autorest.ByUnmarshallingJSON(&result),
		autorest.ByClosing())
	result.Response = autorest.Response{Response: resp}
	return
}

// GetByID the operation retrieves the policy assignment with the given ID. Policy assignment IDs have this format:
// '{scope}/providers/Microsoft.Authorization/policyAssignments/{policyAssignmentName}'. Valid scopes are: management
// group (format: '/providers/Microsoft.Management/managementGroups/{managementGroup}'), subscription (format:
// '/subscriptions/{subscriptionId}'), resource group (format:
// '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}', or resource (format:
// '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/{resourceProviderNamespace}/[{parentResourcePath}/]{resourceType}/{resourceName}'.
// Parameters:
// policyAssignmentID - the ID of the policy assignment to get. Use the format
// '{scope}/providers/Microsoft.Authorization/policyAssignments/{policyAssignmentName}'.
func (client AssignmentsClient) GetByID(ctx context.Context, policyAssignmentID string) (result Assignment, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/AssignmentsClient.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, policyAssignmentID)
	if err != nil {
		err = autorest.NewErrorWithError(err, "policy.AssignmentsClient", "GetByID", nil, "Failure preparing request")
		return
	}

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

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

	return
}

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

	const APIVersion = "2020-03-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsGet(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/{policyAssignmentId}", 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 AssignmentsClient) 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 AssignmentsClient) GetByIDResponder(resp *http.Response) (result Assignment, err error) {
	err = autorest.Respond(
		resp,
		azure.WithErrorUnlessStatusCode(http.StatusOK),
		autorest.ByUnmarshallingJSON(&result),
		autorest.ByClosing())
	result.Response = autorest.Response{Response: resp}
	return
}

// List this operation retrieves the list of all policy assignments associated with the given subscription that match
// the optional given $filter. Valid values for $filter are: 'atScope()', 'atExactScope()' or 'policyDefinitionId eq
// '{value}''. If $filter is not provided, the unfiltered list includes all policy assignments associated with the
// subscription, including those that apply directly or from management groups that contain the given subscription, as
// well as any applied to objects contained within the subscription. If $filter=atScope() is provided, the returned
// list includes all policy assignments that apply to the subscription, which is everything in the unfiltered list
// except those applied to objects contained within the subscription. If $filter=atExactScope() is provided, the
// returned list only includes all policy assignments that at the subscription. If $filter=policyDefinitionId eq
// '{value}' is provided, the returned list includes all policy assignments of the policy definition whose id is
// {value}.
// Parameters:
// subscriptionID - the ID of the target subscription.
// filter - the filter to apply on the operation. Valid values for $filter are: 'atScope()', 'atExactScope()'
// or 'policyDefinitionId eq '{value}''. If $filter is not provided, no filtering is performed. If
// $filter=atScope() is provided, the returned list only includes all policy assignments that apply to the
// scope, which is everything in the unfiltered list except those applied to sub scopes contained within the
// given scope. If $filter=atExactScope() is provided, the returned list only includes all policy assignments
// that at the given scope. If $filter=policyDefinitionId eq '{value}' is provided, the returned list includes
// all policy assignments of the policy definition whose id is {value}.
// top - maximum number of records to return. When the $top filter is not provided, it will return 500 records.
func (client AssignmentsClient) List(ctx context.Context, subscriptionID string, filter string, top *int32) (result AssignmentListResultPage, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/AssignmentsClient.List")
		defer func() {
			sc := -1
			if result.alr.Response.Response != nil {
				sc = result.alr.Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	if err := validation.Validate([]validation.Validation{
		{TargetValue: top,
			Constraints: []validation.Constraint{{Target: "top", Name: validation.Null, Rule: false,
				Chain: []validation.Constraint{{Target: "top", Name: validation.InclusiveMaximum, Rule: int64(1000), Chain: nil},
					{Target: "top", Name: validation.InclusiveMinimum, Rule: int64(1), Chain: nil},
				}}}}}); err != nil {
		return result, validation.NewError("policy.AssignmentsClient", "List", err.Error())
	}

	result.fn = client.listNextResults
	req, err := client.ListPreparer(ctx, subscriptionID, filter, top)
	if err != nil {
		err = autorest.NewErrorWithError(err, "policy.AssignmentsClient", "List", nil, "Failure preparing request")
		return
	}

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

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

	return
}

// ListPreparer prepares the List request.
func (client AssignmentsClient) ListPreparer(ctx context.Context, subscriptionID string, filter string, top *int32) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"subscriptionId": autorest.Encode("path", subscriptionID),
	}

	const APIVersion = "2020-03-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}
	if len(filter) > 0 {
		queryParameters["$filter"] = filter
	}
	if top != nil {
		queryParameters["$top"] = autorest.Encode("query", *top)
	}

	preparer := autorest.CreatePreparer(
		autorest.AsGet(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/providers/Microsoft.Authorization/policyAssignments", 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 AssignmentsClient) 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 AssignmentsClient) ListResponder(resp *http.Response) (result AssignmentListResult, 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 AssignmentsClient) listNextResults(ctx context.Context, lastResults AssignmentListResult) (result AssignmentListResult, err error) {
	req, err := lastResults.assignmentListResultPreparer(ctx)
	if err != nil {
		return result, autorest.NewErrorWithError(err, "policy.AssignmentsClient", "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, "policy.AssignmentsClient", "listNextResults", resp, "Failure sending next results request")
	}
	result, err = client.ListResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "policy.AssignmentsClient", "listNextResults", resp, "Failure responding to next results request")
	}
	return
}

// ListComplete enumerates all values, automatically crossing page boundaries as required.
func (client AssignmentsClient) ListComplete(ctx context.Context, subscriptionID string, filter string, top *int32) (result AssignmentListResultIterator, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/AssignmentsClient.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, subscriptionID, filter, top)
	return
}

// ListForManagementGroup this operation retrieves the list of all policy assignments applicable to the management
// group that match the given $filter. Valid values for $filter are: 'atScope()', 'atExactScope()' or
// 'policyDefinitionId eq '{value}''. If $filter=atScope() is provided, the returned list includes all policy
// assignments that are assigned to the management group or the management group's ancestors. If $filter=atExactScope()
// is provided, the returned list only includes all policy assignments that at the management group. If
// $filter=policyDefinitionId eq '{value}' is provided, the returned list includes all policy assignments of the policy
// definition whose id is {value} that apply to the management group.
// Parameters:
// managementGroupID - the ID of the management group.
// filter - the filter to apply on the operation. Valid values for $filter are: 'atScope()', 'atExactScope()'
// or 'policyDefinitionId eq '{value}''. If $filter is not provided, no filtering is performed. If
// $filter=atScope() is provided, the returned list only includes all policy assignments that apply to the
// scope, which is everything in the unfiltered list except those applied to sub scopes contained within the
// given scope. If $filter=atExactScope() is provided, the returned list only includes all policy assignments
// that at the given scope. If $filter=policyDefinitionId eq '{value}' is provided, the returned list includes
// all policy assignments of the policy definition whose id is {value}.
// top - maximum number of records to return. When the $top filter is not provided, it will return 500 records.
func (client AssignmentsClient) ListForManagementGroup(ctx context.Context, managementGroupID string, filter string, top *int32) (result AssignmentListResultPage, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/AssignmentsClient.ListForManagementGroup")
		defer func() {
			sc := -1
			if result.alr.Response.Response != nil {
				sc = result.alr.Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	if err := validation.Validate([]validation.Validation{
		{TargetValue: top,
			Constraints: []validation.Constraint{{Target: "top", Name: validation.Null, Rule: false,
				Chain: []validation.Constraint{{Target: "top", Name: validation.InclusiveMaximum, Rule: int64(1000), Chain: nil},
					{Target: "top", Name: validation.InclusiveMinimum, Rule: int64(1), Chain: nil},
				}}}}}); err != nil {
		return result, validation.NewError("policy.AssignmentsClient", "ListForManagementGroup", err.Error())
	}

	result.fn = client.listForManagementGroupNextResults
	req, err := client.ListForManagementGroupPreparer(ctx, managementGroupID, filter, top)
	if err != nil {
		err = autorest.NewErrorWithError(err, "policy.AssignmentsClient", "ListForManagementGroup", nil, "Failure preparing request")
		return
	}

	resp, err := client.ListForManagementGroupSender(req)
	if err != nil {
		result.alr.Response = autorest.Response{Response: resp}
		err = autorest.NewErrorWithError(err, "policy.AssignmentsClient", "ListForManagementGroup", resp, "Failure sending request")
		return
	}

	result.alr, err = client.ListForManagementGroupResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "policy.AssignmentsClient", "ListForManagementGroup", resp, "Failure responding to request")
		return
	}
	if result.alr.hasNextLink() && result.alr.IsEmpty() {
		err = result.NextWithContext(ctx)
		return
	}

	return
}

// ListForManagementGroupPreparer prepares the ListForManagementGroup request.
func (client AssignmentsClient) ListForManagementGroupPreparer(ctx context.Context, managementGroupID string, filter string, top *int32) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"managementGroupId": autorest.Encode("path", managementGroupID),
	}

	const APIVersion = "2020-03-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}
	if len(filter) > 0 {
		queryParameters["$filter"] = filter
	}
	if top != nil {
		queryParameters["$top"] = autorest.Encode("query", *top)
	}

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

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

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

// listForManagementGroupNextResults retrieves the next set of results, if any.
func (client AssignmentsClient) listForManagementGroupNextResults(ctx context.Context, lastResults AssignmentListResult) (result AssignmentListResult, err error) {
	req, err := lastResults.assignmentListResultPreparer(ctx)
	if err != nil {
		return result, autorest.NewErrorWithError(err, "policy.AssignmentsClient", "listForManagementGroupNextResults", nil, "Failure preparing next results request")
	}
	if req == nil {
		return
	}
	resp, err := client.ListForManagementGroupSender(req)
	if err != nil {
		result.Response = autorest.Response{Response: resp}
		return result, autorest.NewErrorWithError(err, "policy.AssignmentsClient", "listForManagementGroupNextResults", resp, "Failure sending next results request")
	}
	result, err = client.ListForManagementGroupResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "policy.AssignmentsClient", "listForManagementGroupNextResults", resp, "Failure responding to next results request")
	}
	return
}

// ListForManagementGroupComplete enumerates all values, automatically crossing page boundaries as required.
func (client AssignmentsClient) ListForManagementGroupComplete(ctx context.Context, managementGroupID string, filter string, top *int32) (result AssignmentListResultIterator, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/AssignmentsClient.ListForManagementGroup")
		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.ListForManagementGroup(ctx, managementGroupID, filter, top)
	return
}

// ListForResource this operation retrieves the list of all policy assignments associated with the specified resource
// in the given resource group and subscription that match the optional given $filter. Valid values for $filter are:
// 'atScope()', 'atExactScope()' or 'policyDefinitionId eq '{value}''. If $filter is not provided, the unfiltered list
// includes all policy assignments associated with the resource, including those that apply directly or from all
// containing scopes, as well as any applied to resources contained within the resource. If $filter=atScope() is
// provided, the returned list includes all policy assignments that apply to the resource, which is everything in the
// unfiltered list except those applied to resources contained within the resource. If $filter=atExactScope() is
// provided, the returned list only includes all policy assignments that at the resource level. If
// $filter=policyDefinitionId eq '{value}' is provided, the returned list includes all policy assignments of the policy
// definition whose id is {value} that apply to the resource. Three parameters plus the resource name are used to
// identify a specific resource. If the resource is not part of a parent resource (the more common case), the parent
// resource path should not be provided (or provided as ''). For example a web app could be specified as
// ({resourceProviderNamespace} == 'Microsoft.Web', {parentResourcePath} == '', {resourceType} == 'sites',
// {resourceName} == 'MyWebApp'). If the resource is part of a parent resource, then all parameters should be provided.
// For example a virtual machine DNS name could be specified as ({resourceProviderNamespace} == 'Microsoft.Compute',
// {parentResourcePath} == 'virtualMachines/MyVirtualMachine', {resourceType} == 'domainNames', {resourceName} ==
// 'MyComputerName'). A convenient alternative to providing the namespace and type name separately is to provide both
// in the {resourceType} parameter, format: ({resourceProviderNamespace} == '', {parentResourcePath} == '',
// {resourceType} == 'Microsoft.Web/sites', {resourceName} == 'MyWebApp').
// Parameters:
// resourceGroupName - the name of the resource group containing the resource.
// resourceProviderNamespace - the namespace of the resource provider. For example, the namespace of a virtual
// machine is Microsoft.Compute (from Microsoft.Compute/virtualMachines)
// parentResourcePath - the parent resource path. Use empty string if there is none.
// resourceType - the resource type name. For example the type name of a web app is 'sites' (from
// Microsoft.Web/sites).
// resourceName - the name of the resource.
// subscriptionID - the ID of the target subscription.
// filter - the filter to apply on the operation. Valid values for $filter are: 'atScope()', 'atExactScope()'
// or 'policyDefinitionId eq '{value}''. If $filter is not provided, no filtering is performed. If
// $filter=atScope() is provided, the returned list only includes all policy assignments that apply to the
// scope, which is everything in the unfiltered list except those applied to sub scopes contained within the
// given scope. If $filter=atExactScope() is provided, the returned list only includes all policy assignments
// that at the given scope. If $filter=policyDefinitionId eq '{value}' is provided, the returned list includes
// all policy assignments of the policy definition whose id is {value}.
// top - maximum number of records to return. When the $top filter is not provided, it will return 500 records.
func (client AssignmentsClient) ListForResource(ctx context.Context, resourceGroupName string, resourceProviderNamespace string, parentResourcePath string, resourceType string, resourceName string, subscriptionID string, filter string, top *int32) (result AssignmentListResultPage, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/AssignmentsClient.ListForResource")
		defer func() {
			sc := -1
			if result.alr.Response.Response != nil {
				sc = result.alr.Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	if err := validation.Validate([]validation.Validation{
		{TargetValue: resourceGroupName,
			Constraints: []validation.Constraint{{Target: "resourceGroupName", Name: validation.MaxLength, Rule: 90, Chain: nil},
				{Target: "resourceGroupName", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "resourceGroupName", Name: validation.Pattern, Rule: `^[-\p{L}\._\(\)\w]+$`, Chain: nil}}},
		{TargetValue: top,
			Constraints: []validation.Constraint{{Target: "top", Name: validation.Null, Rule: false,
				Chain: []validation.Constraint{{Target: "top", Name: validation.InclusiveMaximum, Rule: int64(1000), Chain: nil},
					{Target: "top", Name: validation.InclusiveMinimum, Rule: int64(1), Chain: nil},
				}}}}}); err != nil {
		return result, validation.NewError("policy.AssignmentsClient", "ListForResource", err.Error())
	}

	result.fn = client.listForResourceNextResults
	req, err := client.ListForResourcePreparer(ctx, resourceGroupName, resourceProviderNamespace, parentResourcePath, resourceType, resourceName, subscriptionID, filter, top)
	if err != nil {
		err = autorest.NewErrorWithError(err, "policy.AssignmentsClient", "ListForResource", nil, "Failure preparing request")
		return
	}

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

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

	return
}

// ListForResourcePreparer prepares the ListForResource request.
func (client AssignmentsClient) ListForResourcePreparer(ctx context.Context, resourceGroupName string, resourceProviderNamespace string, parentResourcePath string, resourceType string, resourceName string, subscriptionID string, filter string, top *int32) (*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", subscriptionID),
	}

	const APIVersion = "2020-03-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}
	if len(filter) > 0 {
		queryParameters["$filter"] = filter
	}
	if top != nil {
		queryParameters["$top"] = autorest.Encode("query", *top)
	}

	preparer := autorest.CreatePreparer(
		autorest.AsGet(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/{resourceProviderNamespace}/{parentResourcePath}/{resourceType}/{resourceName}/providers/Microsoft.Authorization/policyAssignments", 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 AssignmentsClient) 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 AssignmentsClient) ListForResourceResponder(resp *http.Response) (result AssignmentListResult, 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 AssignmentsClient) listForResourceNextResults(ctx context.Context, lastResults AssignmentListResult) (result AssignmentListResult, err error) {
	req, err := lastResults.assignmentListResultPreparer(ctx)
	if err != nil {
		return result, autorest.NewErrorWithError(err, "policy.AssignmentsClient", "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, "policy.AssignmentsClient", "listForResourceNextResults", resp, "Failure sending next results request")
	}
	result, err = client.ListForResourceResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "policy.AssignmentsClient", "listForResourceNextResults", resp, "Failure responding to next results request")
	}
	return
}

// ListForResourceComplete enumerates all values, automatically crossing page boundaries as required.
func (client AssignmentsClient) ListForResourceComplete(ctx context.Context, resourceGroupName string, resourceProviderNamespace string, parentResourcePath string, resourceType string, resourceName string, subscriptionID string, filter string, top *int32) (result AssignmentListResultIterator, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/AssignmentsClient.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, subscriptionID, filter, top)
	return
}

// ListForResourceGroup this operation retrieves the list of all policy assignments associated with the given resource
// group in the given subscription that match the optional given $filter. Valid values for $filter are: 'atScope()',
// 'atExactScope()' or 'policyDefinitionId eq '{value}''. If $filter is not provided, the unfiltered list includes all
// policy assignments associated with the resource group, including those that apply directly or apply from containing
// scopes, as well as any applied to resources contained within the resource group. If $filter=atScope() is provided,
// the returned list includes all policy assignments that apply to the resource group, which is everything in the
// unfiltered list except those applied to resources contained within the resource group. If $filter=atExactScope() is
// provided, the returned list only includes all policy assignments that at the resource group. If
// $filter=policyDefinitionId eq '{value}' is provided, the returned list includes all policy assignments of the policy
// definition whose id is {value} that apply to the resource group.
// Parameters:
// resourceGroupName - the name of the resource group that contains policy assignments.
// subscriptionID - the ID of the target subscription.
// filter - the filter to apply on the operation. Valid values for $filter are: 'atScope()', 'atExactScope()'
// or 'policyDefinitionId eq '{value}''. If $filter is not provided, no filtering is performed. If
// $filter=atScope() is provided, the returned list only includes all policy assignments that apply to the
// scope, which is everything in the unfiltered list except those applied to sub scopes contained within the
// given scope. If $filter=atExactScope() is provided, the returned list only includes all policy assignments
// that at the given scope. If $filter=policyDefinitionId eq '{value}' is provided, the returned list includes
// all policy assignments of the policy definition whose id is {value}.
// top - maximum number of records to return. When the $top filter is not provided, it will return 500 records.
func (client AssignmentsClient) ListForResourceGroup(ctx context.Context, resourceGroupName string, subscriptionID string, filter string, top *int32) (result AssignmentListResultPage, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/AssignmentsClient.ListForResourceGroup")
		defer func() {
			sc := -1
			if result.alr.Response.Response != nil {
				sc = result.alr.Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	if err := validation.Validate([]validation.Validation{
		{TargetValue: resourceGroupName,
			Constraints: []validation.Constraint{{Target: "resourceGroupName", Name: validation.MaxLength, Rule: 90, Chain: nil},
				{Target: "resourceGroupName", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "resourceGroupName", Name: validation.Pattern, Rule: `^[-\p{L}\._\(\)\w]+$`, Chain: nil}}},
		{TargetValue: top,
			Constraints: []validation.Constraint{{Target: "top", Name: validation.Null, Rule: false,
				Chain: []validation.Constraint{{Target: "top", Name: validation.InclusiveMaximum, Rule: int64(1000), Chain: nil},
					{Target: "top", Name: validation.InclusiveMinimum, Rule: int64(1), Chain: nil},
				}}}}}); err != nil {
		return result, validation.NewError("policy.AssignmentsClient", "ListForResourceGroup", err.Error())
	}

	result.fn = client.listForResourceGroupNextResults
	req, err := client.ListForResourceGroupPreparer(ctx, resourceGroupName, subscriptionID, filter, top)
	if err != nil {
		err = autorest.NewErrorWithError(err, "policy.AssignmentsClient", "ListForResourceGroup", nil, "Failure preparing request")
		return
	}

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

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

	return
}

// ListForResourceGroupPreparer prepares the ListForResourceGroup request.
func (client AssignmentsClient) ListForResourceGroupPreparer(ctx context.Context, resourceGroupName string, subscriptionID string, filter string, top *int32) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"resourceGroupName": autorest.Encode("path", resourceGroupName),
		"subscriptionId":    autorest.Encode("path", subscriptionID),
	}

	const APIVersion = "2020-03-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}
	if len(filter) > 0 {
		queryParameters["$filter"] = filter
	}
	if top != nil {
		queryParameters["$top"] = autorest.Encode("query", *top)
	}

	preparer := autorest.CreatePreparer(
		autorest.AsGet(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Authorization/policyAssignments", 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 AssignmentsClient) 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 AssignmentsClient) ListForResourceGroupResponder(resp *http.Response) (result AssignmentListResult, 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 AssignmentsClient) listForResourceGroupNextResults(ctx context.Context, lastResults AssignmentListResult) (result AssignmentListResult, err error) {
	req, err := lastResults.assignmentListResultPreparer(ctx)
	if err != nil {
		return result, autorest.NewErrorWithError(err, "policy.AssignmentsClient", "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, "policy.AssignmentsClient", "listForResourceGroupNextResults", resp, "Failure sending next results request")
	}
	result, err = client.ListForResourceGroupResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "policy.AssignmentsClient", "listForResourceGroupNextResults", resp, "Failure responding to next results request")
	}
	return
}

// ListForResourceGroupComplete enumerates all values, automatically crossing page boundaries as required.
func (client AssignmentsClient) ListForResourceGroupComplete(ctx context.Context, resourceGroupName string, subscriptionID string, filter string, top *int32) (result AssignmentListResultIterator, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/AssignmentsClient.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, subscriptionID, filter, top)
	return
}