Files
sub2api/backend/internal/repository/group_repo.go
IanShaw027 a4953785d9 fix(lint): 修复所有 Go 命名规范问题
- 全局替换 ApiKey → APIKey(类型、字段、方法、变量)
- 修复所有 initialism 命名(API, SMTP, HTML, URL 等)
- 添加所有缺失的包注释
- 修复导出符号的注释格式

主要修改:
- ApiKey → APIKey(所有出现的地方)
- ApiKeyID → APIKeyID
- ApiKeyIDs → APIKeyIDs
- TestSmtpConnection → TestSMTPConnection
- HtmlURL → HTMLURL
- 添加 20+ 个包注释
- 修复 10+ 个导出符号注释格式

验证结果:
- ✓ golangci-lint: 0 issues
- ✓ 单元测试: 通过
- ✓ 集成测试: 通过
2026-01-04 19:28:20 +08:00

364 lines
10 KiB
Go

package repository
import (
"context"
"database/sql"
"errors"
dbent "github.com/Wei-Shaw/sub2api/ent"
"github.com/Wei-Shaw/sub2api/ent/apikey"
"github.com/Wei-Shaw/sub2api/ent/group"
"github.com/Wei-Shaw/sub2api/internal/pkg/pagination"
"github.com/Wei-Shaw/sub2api/internal/service"
"github.com/lib/pq"
)
type sqlExecutor interface {
ExecContext(ctx context.Context, query string, args ...any) (sql.Result, error)
QueryContext(ctx context.Context, query string, args ...any) (*sql.Rows, error)
}
type groupRepository struct {
client *dbent.Client
sql sqlExecutor
}
func NewGroupRepository(client *dbent.Client, sqlDB *sql.DB) service.GroupRepository {
return newGroupRepositoryWithSQL(client, sqlDB)
}
func newGroupRepositoryWithSQL(client *dbent.Client, sqlq sqlExecutor) *groupRepository {
return &groupRepository{client: client, sql: sqlq}
}
func (r *groupRepository) Create(ctx context.Context, groupIn *service.Group) error {
builder := r.client.Group.Create().
SetName(groupIn.Name).
SetDescription(groupIn.Description).
SetPlatform(groupIn.Platform).
SetRateMultiplier(groupIn.RateMultiplier).
SetIsExclusive(groupIn.IsExclusive).
SetStatus(groupIn.Status).
SetSubscriptionType(groupIn.SubscriptionType).
SetNillableDailyLimitUsd(groupIn.DailyLimitUSD).
SetNillableWeeklyLimitUsd(groupIn.WeeklyLimitUSD).
SetNillableMonthlyLimitUsd(groupIn.MonthlyLimitUSD).
SetDefaultValidityDays(groupIn.DefaultValidityDays)
created, err := builder.Save(ctx)
if err == nil {
groupIn.ID = created.ID
groupIn.CreatedAt = created.CreatedAt
groupIn.UpdatedAt = created.UpdatedAt
}
return translatePersistenceError(err, nil, service.ErrGroupExists)
}
func (r *groupRepository) GetByID(ctx context.Context, id int64) (*service.Group, error) {
m, err := r.client.Group.Query().
Where(group.IDEQ(id)).
Only(ctx)
if err != nil {
return nil, translatePersistenceError(err, service.ErrGroupNotFound, nil)
}
out := groupEntityToService(m)
count, _ := r.GetAccountCount(ctx, out.ID)
out.AccountCount = count
return out, nil
}
func (r *groupRepository) Update(ctx context.Context, groupIn *service.Group) error {
updated, err := r.client.Group.UpdateOneID(groupIn.ID).
SetName(groupIn.Name).
SetDescription(groupIn.Description).
SetPlatform(groupIn.Platform).
SetRateMultiplier(groupIn.RateMultiplier).
SetIsExclusive(groupIn.IsExclusive).
SetStatus(groupIn.Status).
SetSubscriptionType(groupIn.SubscriptionType).
SetNillableDailyLimitUsd(groupIn.DailyLimitUSD).
SetNillableWeeklyLimitUsd(groupIn.WeeklyLimitUSD).
SetNillableMonthlyLimitUsd(groupIn.MonthlyLimitUSD).
SetDefaultValidityDays(groupIn.DefaultValidityDays).
Save(ctx)
if err != nil {
return translatePersistenceError(err, service.ErrGroupNotFound, service.ErrGroupExists)
}
groupIn.UpdatedAt = updated.UpdatedAt
return nil
}
func (r *groupRepository) Delete(ctx context.Context, id int64) error {
_, err := r.client.Group.Delete().Where(group.IDEQ(id)).Exec(ctx)
return translatePersistenceError(err, service.ErrGroupNotFound, nil)
}
func (r *groupRepository) List(ctx context.Context, params pagination.PaginationParams) ([]service.Group, *pagination.PaginationResult, error) {
return r.ListWithFilters(ctx, params, "", "", nil)
}
func (r *groupRepository) ListWithFilters(ctx context.Context, params pagination.PaginationParams, platform, status string, isExclusive *bool) ([]service.Group, *pagination.PaginationResult, error) {
q := r.client.Group.Query()
if platform != "" {
q = q.Where(group.PlatformEQ(platform))
}
if status != "" {
q = q.Where(group.StatusEQ(status))
}
if isExclusive != nil {
q = q.Where(group.IsExclusiveEQ(*isExclusive))
}
total, err := q.Count(ctx)
if err != nil {
return nil, nil, err
}
groups, err := q.
Offset(params.Offset()).
Limit(params.Limit()).
Order(dbent.Asc(group.FieldID)).
All(ctx)
if err != nil {
return nil, nil, err
}
groupIDs := make([]int64, 0, len(groups))
outGroups := make([]service.Group, 0, len(groups))
for i := range groups {
g := groupEntityToService(groups[i])
outGroups = append(outGroups, *g)
groupIDs = append(groupIDs, g.ID)
}
counts, err := r.loadAccountCounts(ctx, groupIDs)
if err == nil {
for i := range outGroups {
outGroups[i].AccountCount = counts[outGroups[i].ID]
}
}
return outGroups, paginationResultFromTotal(int64(total), params), nil
}
func (r *groupRepository) ListActive(ctx context.Context) ([]service.Group, error) {
groups, err := r.client.Group.Query().
Where(group.StatusEQ(service.StatusActive)).
Order(dbent.Asc(group.FieldID)).
All(ctx)
if err != nil {
return nil, err
}
groupIDs := make([]int64, 0, len(groups))
outGroups := make([]service.Group, 0, len(groups))
for i := range groups {
g := groupEntityToService(groups[i])
outGroups = append(outGroups, *g)
groupIDs = append(groupIDs, g.ID)
}
counts, err := r.loadAccountCounts(ctx, groupIDs)
if err == nil {
for i := range outGroups {
outGroups[i].AccountCount = counts[outGroups[i].ID]
}
}
return outGroups, nil
}
func (r *groupRepository) ListActiveByPlatform(ctx context.Context, platform string) ([]service.Group, error) {
groups, err := r.client.Group.Query().
Where(group.StatusEQ(service.StatusActive), group.PlatformEQ(platform)).
Order(dbent.Asc(group.FieldID)).
All(ctx)
if err != nil {
return nil, err
}
groupIDs := make([]int64, 0, len(groups))
outGroups := make([]service.Group, 0, len(groups))
for i := range groups {
g := groupEntityToService(groups[i])
outGroups = append(outGroups, *g)
groupIDs = append(groupIDs, g.ID)
}
counts, err := r.loadAccountCounts(ctx, groupIDs)
if err == nil {
for i := range outGroups {
outGroups[i].AccountCount = counts[outGroups[i].ID]
}
}
return outGroups, nil
}
func (r *groupRepository) ExistsByName(ctx context.Context, name string) (bool, error) {
return r.client.Group.Query().Where(group.NameEQ(name)).Exist(ctx)
}
func (r *groupRepository) GetAccountCount(ctx context.Context, groupID int64) (int64, error) {
var count int64
if err := scanSingleRow(ctx, r.sql, "SELECT COUNT(*) FROM account_groups WHERE group_id = $1", []any{groupID}, &count); err != nil {
return 0, err
}
return count, nil
}
func (r *groupRepository) DeleteAccountGroupsByGroupID(ctx context.Context, groupID int64) (int64, error) {
res, err := r.sql.ExecContext(ctx, "DELETE FROM account_groups WHERE group_id = $1", groupID)
if err != nil {
return 0, err
}
affected, _ := res.RowsAffected()
return affected, nil
}
func (r *groupRepository) DeleteCascade(ctx context.Context, id int64) ([]int64, error) {
g, err := r.client.Group.Query().Where(group.IDEQ(id)).Only(ctx)
if err != nil {
return nil, translatePersistenceError(err, service.ErrGroupNotFound, nil)
}
groupSvc := groupEntityToService(g)
// 使用 ent 事务统一包裹:避免手工基于 *sql.Tx 构造 ent client 带来的驱动断言问题,
// 同时保证级联删除的原子性。
tx, err := r.client.Tx(ctx)
if err != nil && !errors.Is(err, dbent.ErrTxStarted) {
return nil, err
}
exec := r.client
txClient := r.client
if err == nil {
defer func() { _ = tx.Rollback() }()
exec = tx.Client()
txClient = exec
}
// err 为 dbent.ErrTxStarted 时,复用当前 client 参与同一事务。
// Lock the group row to avoid concurrent writes while we cascade.
// 这里使用 exec.QueryContext 手动扫描,确保同一事务内加锁并能区分"未找到"与其他错误。
rows, err := exec.QueryContext(ctx, "SELECT id FROM groups WHERE id = $1 AND deleted_at IS NULL FOR UPDATE", id)
if err != nil {
return nil, err
}
var lockedID int64
if rows.Next() {
if err := rows.Scan(&lockedID); err != nil {
_ = rows.Close()
return nil, err
}
}
if err := rows.Close(); err != nil {
return nil, err
}
if err := rows.Err(); err != nil {
return nil, err
}
if lockedID == 0 {
return nil, service.ErrGroupNotFound
}
var affectedUserIDs []int64
if groupSvc.IsSubscriptionType() {
// 只查询未软删除的订阅,避免通知已取消订阅的用户
rows, err := exec.QueryContext(ctx, "SELECT user_id FROM user_subscriptions WHERE group_id = $1 AND deleted_at IS NULL", id)
if err != nil {
return nil, err
}
for rows.Next() {
var userID int64
if scanErr := rows.Scan(&userID); scanErr != nil {
_ = rows.Close()
return nil, scanErr
}
affectedUserIDs = append(affectedUserIDs, userID)
}
if err := rows.Close(); err != nil {
return nil, err
}
if err := rows.Err(); err != nil {
return nil, err
}
// 软删除订阅:设置 deleted_at 而非硬删除
if _, err := exec.ExecContext(ctx, "UPDATE user_subscriptions SET deleted_at = NOW() WHERE group_id = $1 AND deleted_at IS NULL", id); err != nil {
return nil, err
}
}
// 2. Clear group_id for api keys bound to this group.
// 仅更新未软删除的记录,避免修改已删除数据,保证审计与历史回溯一致性。
// 与 APIKeyRepository 的软删除语义保持一致,减少跨模块行为差异。
if _, err := txClient.APIKey.Update().
Where(apikey.GroupIDEQ(id), apikey.DeletedAtIsNil()).
ClearGroupID().
Save(ctx); err != nil {
return nil, err
}
// 3. Remove the group id from user_allowed_groups join table.
// Legacy users.allowed_groups 列已弃用,不再同步。
if _, err := exec.ExecContext(ctx, "DELETE FROM user_allowed_groups WHERE group_id = $1", id); err != nil {
return nil, err
}
// 4. Delete account_groups join rows.
if _, err := exec.ExecContext(ctx, "DELETE FROM account_groups WHERE group_id = $1", id); err != nil {
return nil, err
}
// 5. Soft-delete group itself.
if _, err := txClient.Group.Delete().Where(group.IDEQ(id)).Exec(ctx); err != nil {
return nil, err
}
if tx != nil {
if err := tx.Commit(); err != nil {
return nil, err
}
}
return affectedUserIDs, nil
}
func (r *groupRepository) loadAccountCounts(ctx context.Context, groupIDs []int64) (counts map[int64]int64, err error) {
counts = make(map[int64]int64, len(groupIDs))
if len(groupIDs) == 0 {
return counts, nil
}
rows, err := r.sql.QueryContext(
ctx,
"SELECT group_id, COUNT(*) FROM account_groups WHERE group_id = ANY($1) GROUP BY group_id",
pq.Array(groupIDs),
)
if err != nil {
return nil, err
}
defer func() {
if closeErr := rows.Close(); closeErr != nil && err == nil {
err = closeErr
counts = nil
}
}()
for rows.Next() {
var groupID int64
var count int64
if err = rows.Scan(&groupID, &count); err != nil {
return nil, err
}
counts[groupID] = count
}
if err = rows.Err(); err != nil {
return nil, err
}
return counts, nil
}