refactor: Gitea 式目录改组，移除本分支 SPA 与杂项产物

将 model/service/handler/middleware 迁至 models/services/routers/api/modules/auth，并删除 frontend、embed_static、scripts 及误入库缓存/二进制。

Co-authored-by: Cursor <cursoragent@cursor.com>

services/bounty_test.go

@@ -0,0 +1,175 @@
+package service
+
+import (
+	"errors"
+	"testing"
+
+	"github.com/glebarez/sqlite"
+	"git.iioio.com/freefire/jiang13-forum/model"
+	"gorm.io/gorm"
+)
+
+func setupBountyTestDB(t *testing.T) *gorm.DB {
+	t.Helper()
+	db, err := gorm.Open(sqlite.Open(":memory:"), &gorm.Config{})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if err := db.AutoMigrate(&model.User{}, &model.Post{}, &model.Comment{}, &model.PointLedger{}); err != nil {
+		t.Fatal(err)
+	}
+	prev := model.DB
+	model.DB = db
+	t.Cleanup(func() { model.DB = prev })
+	return db
+}
+
+func seedBountyPost(t *testing.T, db *gorm.DB, authorID uint, points int) model.Post {
+	t.Helper()
+	post := model.Post{
+		UserID:       authorID,
+		BoardID:      1,
+		Title:        "悬赏测试",
+		Content:      "内容",
+		PostType:     model.PostTypeBounty,
+		BountyPoints: points,
+		BountyStatus: model.BountyStatusOpen,
+		Status:       model.ContentStatusPublished,
+	}
+	if err := db.Create(&post).Error; err != nil {
+		t.Fatal(err)
+	}
+	return post
+}
+
+func seedUser(t *testing.T, db *gorm.DB, id uint, points int) {
+	t.Helper()
+	u := model.User{
+		ID:       id,
+		Username: "user" + string(rune('0'+id)),
+		Password: "hash",
+		Nickname: "测试",
+		Points:   points,
+	}
+	if err := db.Create(&u).Error; err != nil {
+		t.Fatal(err)
+	}
+}
+
+func seedComment(t *testing.T, db *gorm.DB, postID, userID uint, floor int, status string) {
+	t.Helper()
+	c := model.Comment{
+		PostID:  postID,
+		UserID:  userID,
+		Floor:   floor,
+		Content: "回复",
+		Status:  status,
+	}
+	if err := db.Create(&c).Error; err != nil {
+		t.Fatal(err)
+	}
+}
+
+func TestCountEligibleBountyReplies(t *testing.T) {
+	db := setupBountyTestDB(t)
+	post := seedBountyPost(t, db, 1, 10)
+
+	n, err := CountEligibleBountyReplies(db, post.ID, 1)
+	if err != nil || n != 0 {
+		t.Fatalf("无回复时期望 0，得到 %d err=%v", n, err)
+	}
+
+	seedComment(t, db, post.ID, 1, 1, model.ContentStatusPublished)
+	n, err = CountEligibleBountyReplies(db, post.ID, 1)
+	if err != nil || n != 0 {
+		t.Fatalf("楼主自己的回复不应计入，得到 %d", n)
+	}
+
+	seedComment(t, db, post.ID, 2, 2, model.ContentStatusPublished)
+	n, err = CountEligibleBountyReplies(db, post.ID, 1)
+	if err != nil || n != 1 {
+		t.Fatalf("他人 published 回复期望 1，得到 %d", n)
+	}
+
+	seedComment(t, db, post.ID, 3, 3, model.ContentStatusPending)
+	n, err = CountEligibleBountyReplies(db, post.ID, 1)
+	if err != nil || n != 1 {
+		t.Fatalf("pending 回复不应增加计数，得到 %d", n)
+	}
+
+	seedComment(t, db, post.ID, 0, 4, model.ContentStatusPublished)
+	n, err = CountEligibleBountyReplies(db, post.ID, 1)
+	if err != nil || n != 2 {
+		t.Fatalf("游客回复应计入，得到 %d", n)
+	}
+}
+
+func TestCanRefundBounty(t *testing.T) {
+	db := setupBountyTestDB(t)
+	post := seedBountyPost(t, db, 1, 5)
+
+	can, reason := CanRefundBounty(&post, false)
+	if !can || reason != "" {
+		t.Fatalf("无回复时楼主应可退，can=%v reason=%q", can, reason)
+	}
+
+	seedComment(t, db, post.ID, 2, 1, model.ContentStatusPublished)
+	can, reason = CanRefundBounty(&post, false)
+	if can || reason != bountyRefundBlockReason {
+		t.Fatalf("有他人回复时楼主不可退，can=%v reason=%q", can, reason)
+	}
+
+	can, reason = CanRefundBounty(&post, true)
+	if !can || reason != "" {
+		t.Fatalf("管理员应可强制退，can=%v reason=%q", can, reason)
+	}
+}
+
+func TestRefundBountyBlockedForAuthorWithReplies(t *testing.T) {
+	db := setupBountyTestDB(t)
+	seedUser(t, db, 1, 0)
+	seedUser(t, db, 2, 0)
+	post := seedBountyPost(t, db, 1, 8)
+	seedComment(t, db, post.ID, 2, 1, model.ContentStatusPublished)
+
+	err := RefundBounty(post.ID, 1, false)
+	if !errors.Is(err, ErrBountyRefundBlocked) {
+		t.Fatalf("楼主有他人回复时应拒绝退回，err=%v", err)
+	}
+}
+
+func TestRefundBountyAllowedWithoutReplies(t *testing.T) {
+	db := setupBountyTestDB(t)
+	seedUser(t, db, 1, 0)
+	post := seedBountyPost(t, db, 1, 6)
+
+	if err := RefundBounty(post.ID, 1, false); err != nil {
+		t.Fatalf("无回复时楼主应可退回，err=%v", err)
+	}
+	var updated model.Post
+	if err := db.First(&updated, post.ID).Error; err != nil {
+		t.Fatal(err)
+	}
+	if updated.BountyStatus != model.BountyStatusRefunded || updated.BountyPoints != 0 {
+		t.Fatalf("状态应为 refunded 且积分为 0，得到 status=%s points=%d", updated.BountyStatus, updated.BountyPoints)
+	}
+	var author model.User
+	if err := db.First(&author, 1).Error; err != nil {
+		t.Fatal(err)
+	}
+	if author.Points != 6 {
+		t.Fatalf("楼主应收回 6 积分，余额=%d", author.Points)
+	}
+}
+
+func TestRefundBountyAdminBypassWithReplies(t *testing.T) {
+	db := setupBountyTestDB(t)
+	seedUser(t, db, 1, 0)
+	seedUser(t, db, 2, 0)
+	post := seedBountyPost(t, db, 1, 4)
+	seedComment(t, db, post.ID, 2, 1, model.ContentStatusPublished)
+
+	if err := RefundBounty(post.ID, 99, true); err != nil {
+		t.Fatalf("管理员应可强制退回，err=%v", err)
+	}
+}