chore: initialize Gitea v1.27.2 fork

Includes direct password setup links in registration emails.

Assisted-by: Codex:GPT-5

routers/web/shared/user/helper.go

@@ -0,0 +1,73 @@
+// Copyright 2023 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package user
+
+import (
+	"context"
+	"slices"
+	"strconv"
+
+	"gitea.dev/models/user"
+)
+
+type SearchUserInfo struct {
+	UserID     int64  `json:"user_id"`
+	UserName   string `json:"username"`
+	AvatarLink string `json:"avatar_link"`
+	FullName   string `json:"full_name"`
+}
+
+type SearchUserResponse struct {
+	Results []*SearchUserInfo `json:"results"`
+}
+
+func MakeSelfOnTop(doer *user.User, users []*user.User) []*user.User {
+	if doer == nil {
+		return users
+	}
+	idx := slices.IndexFunc(users, func(u *user.User) bool {
+		return u.ID == doer.ID
+	})
+	if idx > 0 {
+		newUsers := make([]*user.User, len(users))
+		newUsers[0] = users[idx]
+		copy(newUsers[1:], users[:idx])
+		copy(newUsers[idx+1:], users[idx+1:])
+		return newUsers
+	}
+	return users
+}
+
+func ToSearchUserResponse(ctx context.Context, self *user.User, users []*user.User) (ret *SearchUserResponse) {
+	infos := MakeSelfOnTop(self, users)
+	resp := &SearchUserResponse{Results: make([]*SearchUserInfo, len(infos))}
+	for i, u := range infos {
+		resp.Results[i] = &SearchUserInfo{UserID: u.ID, UserName: u.Name, AvatarLink: u.AvatarLink(ctx)}
+		resp.Results[i].FullName = u.FullName
+	}
+	return resp
+}
+
+// GetFilterUserIDByName tries to get the user ID from the given username.
+// Before, the "issue filter" passes user ID to query the list, but in many cases, it's impossible to pre-fetch the full user list.
+// So it's better to make it work like GitHub: users could input username directly.
+// Since it only converts the username to ID directly and is only used internally (to search issues), so no permission check is needed.
+// Return values:
+// * "": no filter
+// * "{the-id}": match the id
+// * "(none)": match no issue (due to the user doesn't exist)
+func GetFilterUserIDByName(ctx context.Context, name string) string {
+	if name == "" {
+		return ""
+	}
+	u, err := user.GetUserByName(ctx, name)
+	if err != nil {
+		if id, err := strconv.ParseInt(name, 10, 64); err == nil {
+			return strconv.FormatInt(id, 10)
+		}
+		// The "(none)" is for internal usage only: when doer tries to search non-existing user, use "(none)" to return empty result.
+		return "(none)"
+	}
+	return strconv.FormatInt(u.ID, 10)
+}