Use generics for paginator.New and NewPagination

Make paginator.New and NewPagination generic [T ~int | ~int64] so
callers can pass either int or int64 without explicit casts. This
eliminates all int64() casts in web router callers while keeping
the safe clamping to math.MaxInt internally.

Co-Authored-By: Claude (Opus 4.6) <noreply@anthropic.com>

Author: silverwind

modules/paginator/paginator.go

@@ -48,9 +48,9 @@ type Paginator struct {
 }
 
 // New initialize a new pagination calculation and returns a Paginator as result.
-func New(total int64, pagingNum, current, numPages int) *Paginator {
+func New[T ~int | ~int64](total T, pagingNum, current, numPages int) *Paginator {
 	pagingNum = max(pagingNum, 1)
-	t := int(min(total, int64(math.MaxInt)))
+	t := int(min(int64(total), int64(math.MaxInt)))
 	totalPages := util.Iif(t == -1, -1, (t+pagingNum-1)/pagingNum)
 	if t >= 0 {
 		current = min(current, totalPages)

routers/web/admin/emails.go

@@ -93,7 +93,7 @@ func Emails(ctx *context.Context) {
 	ctx.Data["Total"] = count
 	ctx.Data["Emails"] = emails
 
-	pager := context.NewPagination(count, opts.PageSize, opts.Page, 5)
+	pager := context.NewPagination(int(count), opts.PageSize, opts.Page, 5)
 	pager.AddParamFromRequest(ctx.Req)
 	ctx.Data["Page"] = pager
 

routers/web/admin/notice.go

@@ -37,7 +37,7 @@ func Notices(ctx *context.Context) {
 
 	ctx.Data["Total"] = total
 
-	ctx.Data["Page"] = context.NewPagination(total, setting.UI.Admin.NoticePagingNum, page, 5)
+	ctx.Data["Page"] = context.NewPagination(int(total), setting.UI.Admin.NoticePagingNum, page, 5)
 
 	ctx.HTML(http.StatusOK, tplNotices)
 }

routers/web/admin/packages.go

@@ -73,7 +73,7 @@ func Packages(ctx *context.Context) {
 	ctx.Data["TotalBlobSize"] = totalBlobSize - totalUnreferencedBlobSize
 	ctx.Data["TotalUnreferencedBlobSize"] = totalUnreferencedBlobSize
 
-	pager := context.NewPagination(total, setting.UI.PackagesPagingNum, page, 5)
+	pager := context.NewPagination(int(total), setting.UI.PackagesPagingNum, page, 5)
 	pager.AddParamFromRequest(ctx.Req)
 	ctx.Data["Page"] = pager
 

routers/web/admin/repos.go

@@ -96,7 +96,7 @@ func UnadoptedRepos(ctx *context.Context) {
 		return
 	}
 	ctx.Data["Dirs"] = repoNames
-	pager := context.NewPagination(int64(count), opts.PageSize, opts.Page, 5)
+	pager := context.NewPagination(count, opts.PageSize, opts.Page, 5)
 	pager.AddParamFromRequest(ctx.Req)
 	ctx.Data["Page"] = pager
 	ctx.HTML(http.StatusOK, tplUnadoptedRepos)

routers/web/explore/code.go

@@ -123,7 +123,7 @@ func Code(ctx *context.Context) {
 	ctx.Data["SearchResults"] = searchResults
 	ctx.Data["SearchResultLanguages"] = searchResultLanguages
 
-	pager := context.NewPagination(int64(total), setting.UI.RepoSearchPagingNum, page, 5)
+	pager := context.NewPagination(total, setting.UI.RepoSearchPagingNum, page, 5)
 	pager.AddParamFromRequest(ctx.Req)
 	ctx.Data["Page"] = pager
 

routers/web/explore/repo.go

@@ -137,7 +137,7 @@ func RenderRepoSearch(ctx *context.Context, opts *RepoSearchOptions) {
 	ctx.Data["Repos"] = repos
 	ctx.Data["IsRepoIndexerEnabled"] = setting.Indexer.RepoIndexerEnabled
 
-	pager := context.NewPagination(count, opts.PageSize, page, 5)
+	pager := context.NewPagination(int(count), opts.PageSize, page, 5)
 	pager.AddParamFromRequest(ctx.Req)
 	ctx.Data["Page"] = pager
 

routers/web/explore/user.go

@@ -119,7 +119,7 @@ func RenderUserSearch(ctx *context.Context, opts user_model.SearchUserOptions, t
 	ctx.Data["ShowUserEmail"] = setting.UI.ShowUserEmail
 	ctx.Data["IsRepoIndexerEnabled"] = setting.Indexer.RepoIndexerEnabled
 
-	pager := context.NewPagination(count, opts.PageSize, opts.Page, 5)
+	pager := context.NewPagination(int(count), opts.PageSize, opts.Page, 5)
 	pager.AddParamFromRequest(ctx.Req)
 	ctx.Data["Page"] = pager
 

routers/web/org/home.go

@@ -141,7 +141,7 @@ func home(ctx *context.Context, viewRepositories bool) {
 	ctx.Data["Repos"] = repos
 	ctx.Data["Total"] = count
 
-	pager := context.NewPagination(count, setting.UI.User.RepoPagingNum, page, 5)
+	pager := context.NewPagination(int(count), setting.UI.User.RepoPagingNum, page, 5)
 	pager.AddParamFromRequest(ctx.Req)
 	ctx.Data["Page"] = pager
 

routers/web/org/members.go

@@ -56,7 +56,7 @@ func Members(ctx *context.Context) {
 		return
 	}
 
-	pager := context.NewPagination(total, setting.UI.MembersPagingNum, page, 5)
+	pager := context.NewPagination(int(total), setting.UI.MembersPagingNum, page, 5)
 	opts.ListOptions.Page = page
 	opts.ListOptions.PageSize = setting.UI.MembersPagingNum
 	members, membersIsPublic, err := organization.FindOrgMembers(ctx, opts)