From f5d8a5bd1de70bcfef7c27d8404bf5289cb05f18 Mon Sep 17 00:00:00 2001
From: ShiChangkuo <shichangkuo90@gmail.com>
Date: Wed, 16 Oct 2019 20:13:14 +0800
Subject: [PATCH] Add ims v2 tags interface

Signed-off-by: ShiChangkuo <shichangkuo90@gmail.com>
---
 openstack/ims/v2/tags/requests.go | 61 +++++++++++++++++++++++++++++++
 openstack/ims/v2/tags/results.go  | 28 ++++++++++++++
 openstack/ims/v2/tags/urls.go     | 17 +++++++++
 3 files changed, 106 insertions(+)
 create mode 100644 openstack/ims/v2/tags/requests.go
 create mode 100644 openstack/ims/v2/tags/results.go
 create mode 100644 openstack/ims/v2/tags/urls.go

diff --git a/openstack/ims/v2/tags/requests.go b/openstack/ims/v2/tags/requests.go
new file mode 100644
index 000000000..c0028a435
--- /dev/null
+++ b/openstack/ims/v2/tags/requests.go
@@ -0,0 +1,61 @@
+package tags
+
+import (
+	"github.com/huaweicloud/golangsdk"
+)
+
+// Tag is a structure of key value pair.
+type Tag struct {
+	//tag key
+	Key string `json:"key" required:"true"`
+	//tag value
+	Value string `json:"value" required:"true"`
+}
+
+// BatchOptsBuilder allows extensions to add additional parameters to the
+// BatchAction request.
+type BatchOptsBuilder interface {
+	ToTagsBatchMap() (map[string]interface{}, error)
+}
+
+// BatchOpts contains all the values needed to perform BatchAction on the image tags.
+type BatchOpts struct {
+	//List of tags to perform batch operation
+	Tags []Tag `json:"tags,omitempty"`
+	//Operator , Possible values are:create or delete
+	Action ActionType `json:"action" required:"true"`
+}
+
+//ActionType specifies the type of batch operation action to be performed
+type ActionType string
+
+var (
+	// ActionCreate is used to set action operator to create
+	ActionCreate ActionType = "create"
+	// ActionDelete is used to set action operator to delete
+	ActionDelete ActionType = "delete"
+)
+
+// ToTagsBatchMap builds a BatchAction request body from BatchOpts.
+func (opts BatchOpts) ToTagsBatchMap() (map[string]interface{}, error) {
+	return golangsdk.BuildRequestBody(opts, "")
+}
+
+//BatchAction is used to create ,update or delete the tags of a specified image.
+func BatchAction(client *golangsdk.ServiceClient, imageID string, opts BatchOptsBuilder) (r ActionResults) {
+	b, err := opts.ToTagsBatchMap()
+	if err != nil {
+		r.Err = err
+		return
+	}
+	_, r.Err = client.Post(actionURL(client, imageID), b, nil, &golangsdk.RequestOpts{
+		OkCodes: []int{204},
+	})
+	return
+}
+
+// Get retrieves the tags of a specific image.
+func Get(client *golangsdk.ServiceClient, imageID string) (r GetResult) {
+	_, r.Err = client.Get(resourceURL(client, imageID), &r.Body, nil)
+	return
+}
diff --git a/openstack/ims/v2/tags/results.go b/openstack/ims/v2/tags/results.go
new file mode 100644
index 000000000..206e2ce2b
--- /dev/null
+++ b/openstack/ims/v2/tags/results.go
@@ -0,0 +1,28 @@
+package tags
+
+import (
+	"github.com/huaweicloud/golangsdk"
+)
+
+type RespTags struct {
+	//contains list of tags, i.e.key value pair
+	Tags []Tag `json:"tags"`
+}
+
+type commonResult struct {
+	golangsdk.Result
+}
+
+type ActionResults struct {
+	commonResult
+}
+
+type GetResult struct {
+	commonResult
+}
+
+func (r commonResult) Extract() (*RespTags, error) {
+	var response RespTags
+	err := r.ExtractInto(&response)
+	return &response, err
+}
diff --git a/openstack/ims/v2/tags/urls.go b/openstack/ims/v2/tags/urls.go
new file mode 100644
index 000000000..53488a00b
--- /dev/null
+++ b/openstack/ims/v2/tags/urls.go
@@ -0,0 +1,17 @@
+package tags
+
+import "github.com/huaweicloud/golangsdk"
+
+const (
+	rootPath     = "images"
+	resourcePath = "tags"
+	actionPath   = "tags/action"
+)
+
+func actionURL(c *golangsdk.ServiceClient, id string) string {
+	return c.ServiceURL(c.ProjectID, rootPath, id, actionPath)
+}
+
+func resourceURL(c *golangsdk.ServiceClient, id string) string {
+	return c.ServiceURL(c.ProjectID, rootPath, id, resourcePath)
+}