Refactor StringsToInt64s (#29967)

And close #27176

(cherry picked from commit cdb4d1a8db096d60dba04728924dab85def45b19)

routers/api/v1/repo/pull.go

@@ -21,6 +21,7 @@ import (
 	repo_model "code.gitea.io/gitea/models/repo"
 	"code.gitea.io/gitea/models/unit"
 	user_model "code.gitea.io/gitea/models/user"
+	"code.gitea.io/gitea/modules/base"
 	"code.gitea.io/gitea/modules/git"
 	"code.gitea.io/gitea/modules/gitrepo"
 	"code.gitea.io/gitea/modules/log"
@@ -96,13 +97,17 @@ func ListPullRequests(ctx *context.APIContext) {
 	//   "404":
 	//     "$ref": "#/responses/notFound"
 
+	labelIDs, err := base.StringsToInt64s(ctx.FormStrings("labels"))
+	if err != nil {
+		ctx.Error(http.StatusInternalServerError, "PullRequests", err)
+		return
+	}
 	listOptions := utils.GetListOptions(ctx)
-
 	prs, maxResults, err := issues_model.PullRequests(ctx, ctx.Repo.Repository.ID, &issues_model.PullRequestsOptions{
 		ListOptions: listOptions,
 		State:       ctx.FormTrim("state"),
 		SortType:    ctx.FormTrim("sort"),
-		Labels:      ctx.FormStrings("labels"),
+		Labels:      labelIDs,
 		MilestoneID: ctx.FormInt64("milestone"),
 	})
 	if err != nil {

routers/web/repo/issue.go

@@ -192,8 +192,7 @@ func issues(ctx *context.Context, milestoneID, projectID int64, isPullOption opt
 	if len(selectLabels) > 0 {
 		labelIDs, err = base.StringsToInt64s(strings.Split(selectLabels, ","))
 		if err != nil {
-			ctx.ServerError("StringsToInt64s", err)
-			return
+			ctx.Flash.Error(ctx.Tr("invalid_data", selectLabels), true)
 		}
 	}
 

routers/web/user/home.go

@@ -529,17 +529,14 @@ func buildIssueOverview(ctx *context.Context, unitType unit.Type) {
 
 	// Get IDs for labels (a filter option for issues/pulls).
 	// Required for IssuesOptions.
-	var labelIDs []int64
 	selectedLabels := ctx.FormString("labels")
 	if len(selectedLabels) > 0 && selectedLabels != "0" {
 		var err error
-		labelIDs, err = base.StringsToInt64s(strings.Split(selectedLabels, ","))
+		opts.LabelIDs, err = base.StringsToInt64s(strings.Split(selectedLabels, ","))
 		if err != nil {
-			ctx.ServerError("StringsToInt64s", err)
-			return
+			ctx.Flash.Error(ctx.Tr("invalid_data", selectedLabels), true)
 		}
 	}
-	opts.LabelIDs = labelIDs
 
 	// ------------------------------
 	// Get issues as defined by opts.

routers/web/user/notification.go

@@ -268,8 +268,7 @@ func NotificationSubscriptions(ctx *context.Context) {
 		var err error
 		labelIDs, err = base.StringsToInt64s(strings.Split(selectedLabels, ","))
 		if err != nil {
-			ctx.ServerError("StringsToInt64s", err)
-			return
+			ctx.Flash.Error(ctx.Tr("invalid_data", selectedLabels), true)
 		}
 	}