Add paging headers (#36521)

Adds support for paging in admin/hooks api endpoint

fixes: https://github.com/go-gitea/gitea/issues/36516

---------

Co-authored-by: techknowlogick <techknowlogick@gitea.com>
Co-authored-by: techknowlogick <matti@mdranta.net>

routers/api/v1/utils/hook.go

@@ -23,8 +23,9 @@ import (
 
 // ListOwnerHooks lists the webhooks of the provided owner
 func ListOwnerHooks(ctx *context.APIContext, owner *user_model.User) {
+	listOptions := GetListOptions(ctx)
 	opts := &webhook.ListWebhookOptions{
-		ListOptions: GetListOptions(ctx),
+		ListOptions: listOptions,
 		OwnerID:     owner.ID,
 	}
 
@@ -42,7 +43,7 @@ func ListOwnerHooks(ctx *context.APIContext, owner *user_model.User) {
 			return
 		}
 	}
-
+	ctx.SetLinkHeader(int(count), listOptions.PageSize)
 	ctx.SetTotalCountHeader(count)
 	ctx.JSON(http.StatusOK, apiHooks)
 }

routers/api/v1/utils/page.go

@@ -12,7 +12,7 @@ import (
 // GetListOptions returns list options using the page and limit parameters
 func GetListOptions(ctx *context.APIContext) db.ListOptions {
 	return db.ListOptions{
-		Page:     ctx.FormInt("page"),
+		Page:     max(ctx.FormInt("page"), 1),
 		PageSize: convert.ToCorrectPageSize(ctx.FormInt("limit")),
 	}
 }