[API] generalize list header (#16551)

* Add info about list endpoints to CONTRIBUTING.md

* Let all list endpoints return X-Total-Count header 

* Add TODOs for GetCombinedCommitStatusByRef

* Fix models/issue_stopwatch.go

* Rrefactor models.ListDeployKeys

* Introduce helper func and use them for SetLinkHeader related func

2 files changed, 19 insertions, 2 deletions

diff --git a/modules/context/api.go b/modules/context/api.go
index b543c8bac8..47ea8acfe0 100644
--- a/modules/context/api.go
+++ b/modules/context/api.go
@@ -181,6 +181,23 @@ func (ctx *APIContext) SetLinkHeader(total, pageSize int) {
 
 	if len(links) > 0 {
 		ctx.Header().Set("Link", strings.Join(links, ","))
+		ctx.AppendAccessControlExposeHeaders("Link")
+	}
+}
+
+// SetTotalCountHeader set "X-Total-Count" header
+func (ctx *APIContext) SetTotalCountHeader(total int64) {
+	ctx.Header().Set("X-Total-Count", fmt.Sprint(total))
+	ctx.AppendAccessControlExposeHeaders("X-Total-Count")
+}
+
+// AppendAccessControlExposeHeaders append headers by name to "Access-Control-Expose-Headers" header
+func (ctx *APIContext) AppendAccessControlExposeHeaders(names ...string) {
+	val := ctx.Header().Get("Access-Control-Expose-Headers")
+	if len(val) != 0 {
+		ctx.Header().Set("Access-Control-Expose-Headers", fmt.Sprintf("%s, %s", val, strings.Join(names, ", ")))
+	} else {
+		ctx.Header().Set("Access-Control-Expose-Headers", strings.Join(names, ", "))
 	}
 }
 
diff --git a/modules/context/org.go b/modules/context/org.go
index 527ccfbcaa..fd67212a10 100644
--- a/modules/context/org.go
+++ b/modules/context/org.go
@@ -123,8 +123,8 @@ func HandleOrgAssignment(ctx *Context, args ...bool) {
 	// Team.
 	if ctx.Org.IsMember {
 		if ctx.Org.IsOwner {
-			if err := org.GetTeams(&models.SearchTeamOptions{}); err != nil {
-				ctx.ServerError("GetTeams", err)
+			if err := org.LoadTeams(); err != nil {
+				ctx.ServerError("LoadTeams", err)
 				return
 			}
 		} else {