Change label management to rely on independent rest calls

.gitignore

@@ -4,3 +4,4 @@
 .idea/
 /mark.test
 /profile.cov
+.vscode

main.go

@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"os"
 	"path/filepath"
+	"slices"
 	"strings"
 	"time"
 
@@ -522,6 +523,8 @@ func processFile(
 		log.Fatal(err)
 	}
 
+	updateLabels(err, api, target, meta)
+
 	if cCtx.Bool("edit-lock") {
 		log.Infof(
 			nil,
@@ -539,6 +542,68 @@ func processFile(
 	return target
 }
 
+func updateLabels(api *confluence.API, target *confluence.PageInfo, meta *mark.Meta) {
+
+	labelInfo, err := api.GetPageLabels(target, "global")
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	log.Debug("Page Labels:")
+	log.Debug(labelInfo.Labels)
+
+	log.Debug("Meta Labels:")
+	log.Debug(meta.Labels)
+
+	delLabels := determineLabelsToRemove(labelInfo, meta)
+	log.Debug("Del Labels:")
+	log.Debug(delLabels)
+
+	addLabels := determineLabelsToAdd(meta, labelInfo)
+	log.Debug("Add Labels:")
+	log.Debug(addLabels)
+
+	if len(addLabels) > 0 {
+		_, err = api.AddPageLabels(target, addLabels)
+		if err != nil {
+			log.Fatal(err)
+		}
+	}
+
+	for _, label := range delLabels {
+		_, err = api.DeletePageLabel(target, label)
+		if err != nil {
+			log.Fatal(err)
+		}
+	}
+}
+
+// Page has label but label not in Metadata
+func determineLabelsToRemove(labelInfo *confluence.LabelInfo, meta *mark.Meta) []string {
+	var labels []string
+	for _, label := range labelInfo.Labels {
+		if !slices.ContainsFunc(meta.Labels, func(metaLabel string) bool {
+			return strings.ToLower(metaLabel) == strings.ToLower(label.Name)
+		}) {
+			labels = append(labels, label.Name)
+		}
+	}
+	return labels
+}
+
+// Metadata has label but Page does not have it
+func determineLabelsToAdd(meta *mark.Meta, labelInfo *confluence.LabelInfo) []string {
+	var labels []string
+	for _, metaLabel := range meta.Labels {
+		if !slices.ContainsFunc(labelInfo.Labels, func(label confluence.Label) bool {
+			return strings.ToLower(label.Name) == strings.ToLower(metaLabel)
+		}) {
+			labels = append(labels, metaLabel)
+		}
+	}
+	return labels
+}
+
 func configFilePath() string {
 	fp, err := os.UserConfigDir()
 	if err != nil {

pkg/confluence/api.go

@@ -73,6 +73,15 @@ type AttachmentInfo struct {
 	} `json:"_links"`
 }
 
+type Label struct {
+	ID     string `json:"id"`
+	Prefix string `json:"prefix"`
+	Name   string `json:"name"`
+}
+type LabelInfo struct {
+	Labels []Label `json:"results"`
+	Size   int     `json:"number"`
+}
 type form struct {
 	buffer io.Reader
 	writer *multipart.Writer
@@ -514,17 +523,6 @@ func (api *API) UpdatePage(page *PageInfo, newContent string, minorEdit bool, ve
 		}
 	}
 
-	labels := []map[string]interface{}{}
-	for _, label := range newLabels {
-		if label != "" {
-			item := map[string]interface{}{
-				"prexix": "global",
-				"name":   label,
-			}
-			labels = append(labels, item)
-		}
-	}
-
 	payload := map[string]interface{}{
 		"id":    page.ID,
 		"type":  page.Type,
@@ -542,7 +540,6 @@ func (api *API) UpdatePage(page *PageInfo, newContent string, minorEdit bool, ve
 			},
 		},
 		"metadata": map[string]interface{}{
-			"labels": labels,
 			// Fix to set full-width as has changed on Confluence APIs again.
 			// https://jira.atlassian.com/browse/CONFCLOUD-65447
 			//
@@ -570,6 +567,66 @@ func (api *API) UpdatePage(page *PageInfo, newContent string, minorEdit bool, ve
 	return nil
 }
 
+func (api *API) AddPageLabels(page *PageInfo, newLabels []string) (*LabelInfo, error) {
+
+	labels := []map[string]interface{}{}
+	for _, label := range newLabels {
+		if label != "" {
+			item := map[string]interface{}{
+				"prefix": "global",
+				"name":   label,
+			}
+			labels = append(labels, item)
+		}
+	}
+
+	payload := labels
+
+	request, err := api.rest.Res(
+		"content/"+page.ID+"/label", &LabelInfo{},
+	).Post(payload)
+	if err != nil {
+		return nil, err
+	}
+
+	if request.Raw.StatusCode != http.StatusOK {
+		return nil, newErrorStatusNotOK(request)
+	}
+
+	return request.Response.(*LabelInfo), nil
+}
+
+func (api *API) DeletePageLabel(page *PageInfo, label string) (*LabelInfo, error) {
+
+	request, err := api.rest.Res(
+		"content/"+page.ID+"/label/"+label, &LabelInfo{},
+	).Delete()
+	if err != nil {
+		return nil, err
+	}
+
+	if request.Raw.StatusCode != http.StatusOK {
+		return nil, newErrorStatusNotOK(request)
+	}
+
+	return request.Response.(*LabelInfo), nil
+}
+
+func (api *API) GetPageLabels(page *PageInfo, prefix string) (*LabelInfo, error) {
+
+	request, err := api.rest.Res(
+		"content/"+page.ID+"/label", &LabelInfo{},
+	).Get(map[string]string{"prefix": prefix})
+	if err != nil {
+		return nil, err
+	}
+
+	if request.Raw.StatusCode != http.StatusOK {
+		return nil, newErrorStatusNotOK(request)
+	}
+	return request.Response.(*LabelInfo), nil
+}
+
 func (api *API) GetUserByName(name string) (*User, error) {
 	var response struct {
 		Results []struct {