show only opened milestones on issues page milestone filter (#5051)

* show only opened milestones on issues page milestone filter

* update Godoc

* update Godoc everywhere

* update swagger

* use false instead of 0

* Add seccond ordering by ID for milestones where no deadline is set

models/issue_milestone.go

@@ -11,7 +11,6 @@ import (
 	"code.gitea.io/gitea/modules/setting"
 	"code.gitea.io/gitea/modules/util"
 	api "code.gitea.io/sdk/gitea"
-
 	"github.com/go-xorm/xorm"
 )
 
@@ -178,10 +177,11 @@ func (milestones MilestoneList) getMilestoneIDs() []int64 {
 	return ids
 }
 
-// GetMilestonesByRepoID returns all milestones of a repository.
+// GetMilestonesByRepoID returns all opened milestones of a repository.
 func GetMilestonesByRepoID(repoID int64) (MilestoneList, error) {
 	miles := make([]*Milestone, 0, 10)
-	return miles, x.Where("repo_id = ?", repoID).Asc("deadline_unix").Find(&miles)
+	return miles, x.Where("repo_id = ? AND is_closed = ?", repoID, false).
+		Asc("deadline_unix").Asc("id").Find(&miles)
 }
 
 // GetMilestones returns a list of milestones of given repository and status.

routers/api/v1/repo/milestone.go

@@ -14,11 +14,11 @@ import (
 	api "code.gitea.io/sdk/gitea"
 )
 
-// ListMilestones list all the milestones for a repository
+// ListMilestones list all the opened milestones for a repository
 func ListMilestones(ctx *context.APIContext) {
 	// swagger:operation GET /repos/{owner}/{repo}/milestones issue issueGetMilestonesList
 	// ---
-	// summary: Get all of a repository's milestones
+	// summary: Get all of a repository's opened milestones
 	// produces:
 	// - application/json
 	// parameters:

templates/swagger/v1_json.tmpl

@@ -3065,7 +3065,7 @@
         "tags": [
           "issue"
         ],
-        "summary": "Get all of a repository's milestones",
+        "summary": "Get all of a repository's opened milestones",
         "operationId": "issueGetMilestonesList",
         "parameters": [
           {