From 6ebbebaf517c7963924daa0657ab389a5e844bf6 Mon Sep 17 00:00:00 2001
From: ShiChangkuo <shichangkuo90@gmail.com>
Date: Mon, 13 Jul 2020 14:00:37 +0300
Subject: [PATCH] Add urls for common tags

---
 openstack/common/tags/requests.go | 66 +++++++++++++++++++++++++++++++
 openstack/common/tags/results.go  | 45 +++++++++++++++++++++
 openstack/common/tags/urls.go     | 42 ++++++++++++++++++++
 3 files changed, 153 insertions(+)
 create mode 100644 openstack/common/tags/requests.go
 create mode 100644 openstack/common/tags/results.go
 create mode 100644 openstack/common/tags/urls.go

diff --git a/openstack/common/tags/requests.go b/openstack/common/tags/requests.go
new file mode 100644
index 000000000..57b3460b2
--- /dev/null
+++ b/openstack/common/tags/requests.go
@@ -0,0 +1,66 @@
+package tags
+
+import (
+	"github.com/huaweicloud/golangsdk"
+)
+
+//ActionOptsBuilder is an interface from which can build the request of creating/deleting tags
+type ActionOptsBuilder interface {
+	ToTagsActionMap() (map[string]interface{}, error)
+}
+
+//ActionOpts is a struct contains the parameters of creating/deleting tags
+type ActionOpts struct {
+	Action string        `json:"action" required:"ture"`
+	Tags   []ResourceTag `json:"tags" required:"true"`
+}
+
+//ToTagsActionMap build the action request in json format
+func (opts ActionOpts) ToTagsActionMap() (map[string]interface{}, error) {
+	return golangsdk.BuildRequestBody(opts, "")
+}
+
+func doAction(client *golangsdk.ServiceClient, srvType, id string, opts ActionOptsBuilder) (r ActionResult) {
+	b, err := opts.ToTagsActionMap()
+	if err != nil {
+		r.Err = err
+		return
+	}
+	_, r.Err = client.Post(actionURL(client, srvType, id), b, nil, &golangsdk.RequestOpts{
+		OkCodes: []int{200, 204},
+	})
+	return
+}
+
+//Create is a method of creating tags by id
+func Create(client *golangsdk.ServiceClient, srvType, id string, tags []ResourceTag) (r ActionResult) {
+	opts := ActionOpts{
+		Tags:   tags,
+		Action: "create",
+	}
+	return doAction(client, srvType, id, opts)
+}
+
+//Delete is a method of deleting tags by id
+func Delete(client *golangsdk.ServiceClient, srvType, id string, tags []ResourceTag) (r ActionResult) {
+	opts := ActionOpts{
+		Tags:   tags,
+		Action: "delete",
+	}
+	return doAction(client, srvType, id, opts)
+}
+
+//Get is a method of getting the tags by id
+func Get(client *golangsdk.ServiceClient, srvType, id string) (r GetResult) {
+	_, r.Err = client.Get(getURL(client, srvType, id), &r.Body, &golangsdk.RequestOpts{
+		OkCodes:     []int{202, 200},
+		MoreHeaders: map[string]string{"Content-Type": "application/json", "X-Language": "en-us"},
+	})
+	return
+}
+
+//List is a method of getting the tags of all service
+func List(client *golangsdk.ServiceClient, srvType string) (r ListResult) {
+	_, r.Err = client.Get(listURL(client, srvType), &r.Body, nil)
+	return
+}
diff --git a/openstack/common/tags/results.go b/openstack/common/tags/results.go
new file mode 100644
index 000000000..7ba71c148
--- /dev/null
+++ b/openstack/common/tags/results.go
@@ -0,0 +1,45 @@
+package tags
+
+import (
+	"github.com/huaweicloud/golangsdk"
+)
+
+//ResourceTags represents the tags response
+type ResourceTags struct {
+	Tags []ResourceTag `json:"tags"`
+}
+
+//ResourceTag is in key-value format
+type ResourceTag struct {
+	Key   string `json:"key" required:"ture"`
+	Value string `json:"value,omitempty"`
+}
+
+//ActionResult is the action result which is the result of create or delete operations
+type ActionResult struct {
+	golangsdk.ErrResult
+}
+
+//GetResult contains the body of getting detailed tags request
+type GetResult struct {
+	golangsdk.Result
+}
+
+//Extract method will parse the result body into ResourceTags struct
+func (r GetResult) Extract() (ResourceTags, error) {
+	var tags ResourceTags
+	err := r.Result.ExtractInto(&tags)
+	return tags, err
+}
+
+//ListResult contains the body of getting all tags request
+type ListResult struct {
+	golangsdk.Result
+}
+
+//Extract method will parse the result body into ResourceTags struct
+func (r ListResult) Extract() (ResourceTags, error) {
+	var tags ResourceTags
+	err := r.Result.ExtractInto(&tags)
+	return tags, err
+}
diff --git a/openstack/common/tags/urls.go b/openstack/common/tags/urls.go
new file mode 100644
index 000000000..52d450c1c
--- /dev/null
+++ b/openstack/common/tags/urls.go
@@ -0,0 +1,42 @@
+package tags
+
+import (
+	"strings"
+
+	"github.com/huaweicloud/golangsdk"
+)
+
+// supported resourceType: "vpcs", "subnets", "publicips"
+// "DNS-public_zone", "DNS-private_zone", "DNS-ptr_record"
+// "DNS-public_recordset", "DNS-private_recordset"
+func actionURL(c *golangsdk.ServiceClient, resourceType, id string) string {
+	if hasProjectID(c) {
+		return c.ServiceURL(resourceType, id, "tags/action")
+	}
+	return c.ServiceURL(c.ProjectID, resourceType, id, "tags/action")
+}
+
+func getURL(c *golangsdk.ServiceClient, resourceType, id string) string {
+	if hasProjectID(c) {
+		return c.ServiceURL(resourceType, id, "tags")
+	}
+	return c.ServiceURL(c.ProjectID, resourceType, id, "tags")
+}
+
+func listURL(c *golangsdk.ServiceClient, resourceType string) string {
+	if hasProjectID(c) {
+		return c.ServiceURL(resourceType, "tags")
+	}
+	return c.ServiceURL(c.ProjectID, resourceType, "tags")
+}
+
+func hasProjectID(c *golangsdk.ServiceClient) bool {
+	url := c.ResourceBaseURL()
+	array := strings.Split(url, "/")
+
+	// the baseURL must be end with "/"
+	if array[len(array)-2] == c.ProjectID {
+		return true
+	}
+	return false
+}