feat: 图片生成计费功能
- 新增 Group 图片价格配置（image_price_1k/2k/4k） - BillingService 新增 CalculateImageCost 方法 - AntigravityGatewayService 支持识别图片生成模型并按次计费 - UsageLog 新增 image_count 和 image_size 字段 - 前端分组管理支持配置图片价格（antigravity 和 gemini 平台） - 图片计费复用通用计费能力（余额检查、扣费、倍率、订阅限额）
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song
197
backend/internal/service/admin_service_group_test.go
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197
backend/internal/service/admin_service_group_test.go
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//go:build unit
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package service
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import (
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"context"
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"testing"
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"github.com/Wei-Shaw/sub2api/internal/pkg/pagination"
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"github.com/stretchr/testify/require"
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)
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// groupRepoStubForAdmin 用于测试 AdminService 的 GroupRepository Stub
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type groupRepoStubForAdmin struct {
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created *Group // 记录 Create 调用的参数
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updated *Group // 记录 Update 调用的参数
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getByID *Group // GetByID 返回值
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getErr error // GetByID 返回的错误
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}
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func (s *groupRepoStubForAdmin) Create(_ context.Context, g *Group) error {
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s.created = g
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return nil
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}
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func (s *groupRepoStubForAdmin) Update(_ context.Context, g *Group) error {
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s.updated = g
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return nil
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}
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func (s *groupRepoStubForAdmin) GetByID(_ context.Context, _ int64) (*Group, error) {
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if s.getErr != nil {
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return nil, s.getErr
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}
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return s.getByID, nil
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}
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func (s *groupRepoStubForAdmin) Delete(_ context.Context, _ int64) error {
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panic("unexpected Delete call")
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}
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func (s *groupRepoStubForAdmin) DeleteCascade(_ context.Context, _ int64) ([]int64, error) {
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panic("unexpected DeleteCascade call")
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}
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func (s *groupRepoStubForAdmin) List(_ context.Context, _ pagination.PaginationParams) ([]Group, *pagination.PaginationResult, error) {
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panic("unexpected List call")
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}
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func (s *groupRepoStubForAdmin) ListWithFilters(_ context.Context, _ pagination.PaginationParams, _, _ string, _ *bool) ([]Group, *pagination.PaginationResult, error) {
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panic("unexpected ListWithFilters call")
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}
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func (s *groupRepoStubForAdmin) ListActive(_ context.Context) ([]Group, error) {
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panic("unexpected ListActive call")
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}
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func (s *groupRepoStubForAdmin) ListActiveByPlatform(_ context.Context, _ string) ([]Group, error) {
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panic("unexpected ListActiveByPlatform call")
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}
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func (s *groupRepoStubForAdmin) ExistsByName(_ context.Context, _ string) (bool, error) {
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panic("unexpected ExistsByName call")
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}
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func (s *groupRepoStubForAdmin) GetAccountCount(_ context.Context, _ int64) (int64, error) {
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panic("unexpected GetAccountCount call")
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}
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func (s *groupRepoStubForAdmin) DeleteAccountGroupsByGroupID(_ context.Context, _ int64) (int64, error) {
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panic("unexpected DeleteAccountGroupsByGroupID call")
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}
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// TestAdminService_CreateGroup_WithImagePricing 测试创建分组时 ImagePrice 字段正确传递
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func TestAdminService_CreateGroup_WithImagePricing(t *testing.T) {
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repo := &groupRepoStubForAdmin{}
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svc := &adminServiceImpl{groupRepo: repo}
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price1K := 0.10
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price2K := 0.15
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price4K := 0.30
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input := &CreateGroupInput{
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Name: "test-group",
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Description: "Test group",
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Platform: PlatformAntigravity,
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RateMultiplier: 1.0,
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ImagePrice1K: &price1K,
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ImagePrice2K: &price2K,
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ImagePrice4K: &price4K,
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}
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group, err := svc.CreateGroup(context.Background(), input)
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require.NoError(t, err)
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require.NotNil(t, group)
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// 验证 repo 收到了正确的字段
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require.NotNil(t, repo.created)
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require.NotNil(t, repo.created.ImagePrice1K)
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require.NotNil(t, repo.created.ImagePrice2K)
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require.NotNil(t, repo.created.ImagePrice4K)
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require.InDelta(t, 0.10, *repo.created.ImagePrice1K, 0.0001)
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require.InDelta(t, 0.15, *repo.created.ImagePrice2K, 0.0001)
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require.InDelta(t, 0.30, *repo.created.ImagePrice4K, 0.0001)
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}
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// TestAdminService_CreateGroup_NilImagePricing 测试 ImagePrice 为 nil 时正常创建
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func TestAdminService_CreateGroup_NilImagePricing(t *testing.T) {
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repo := &groupRepoStubForAdmin{}
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svc := &adminServiceImpl{groupRepo: repo}
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input := &CreateGroupInput{
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Name: "test-group",
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Description: "Test group",
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Platform: PlatformAntigravity,
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RateMultiplier: 1.0,
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// ImagePrice 字段全部为 nil
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}
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group, err := svc.CreateGroup(context.Background(), input)
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require.NoError(t, err)
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require.NotNil(t, group)
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// 验证 ImagePrice 字段为 nil
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require.NotNil(t, repo.created)
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require.Nil(t, repo.created.ImagePrice1K)
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require.Nil(t, repo.created.ImagePrice2K)
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require.Nil(t, repo.created.ImagePrice4K)
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}
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// TestAdminService_UpdateGroup_WithImagePricing 测试更新分组时 ImagePrice 字段正确更新
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func TestAdminService_UpdateGroup_WithImagePricing(t *testing.T) {
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existingGroup := &Group{
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ID: 1,
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Name: "existing-group",
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Platform: PlatformAntigravity,
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Status: StatusActive,
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}
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repo := &groupRepoStubForAdmin{getByID: existingGroup}
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svc := &adminServiceImpl{groupRepo: repo}
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price1K := 0.12
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price2K := 0.18
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price4K := 0.36
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input := &UpdateGroupInput{
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ImagePrice1K: &price1K,
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ImagePrice2K: &price2K,
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ImagePrice4K: &price4K,
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}
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group, err := svc.UpdateGroup(context.Background(), 1, input)
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require.NoError(t, err)
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require.NotNil(t, group)
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// 验证 repo 收到了更新后的字段
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require.NotNil(t, repo.updated)
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require.NotNil(t, repo.updated.ImagePrice1K)
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require.NotNil(t, repo.updated.ImagePrice2K)
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require.NotNil(t, repo.updated.ImagePrice4K)
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require.InDelta(t, 0.12, *repo.updated.ImagePrice1K, 0.0001)
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require.InDelta(t, 0.18, *repo.updated.ImagePrice2K, 0.0001)
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require.InDelta(t, 0.36, *repo.updated.ImagePrice4K, 0.0001)
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}
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// TestAdminService_UpdateGroup_PartialImagePricing 测试仅更新部分 ImagePrice 字段
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func TestAdminService_UpdateGroup_PartialImagePricing(t *testing.T) {
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oldPrice2K := 0.15
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existingGroup := &Group{
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ID: 1,
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Name: "existing-group",
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Platform: PlatformAntigravity,
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Status: StatusActive,
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ImagePrice2K: &oldPrice2K, // 已有 2K 价格
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}
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repo := &groupRepoStubForAdmin{getByID: existingGroup}
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svc := &adminServiceImpl{groupRepo: repo}
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// 只更新 1K 价格
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price1K := 0.10
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input := &UpdateGroupInput{
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ImagePrice1K: &price1K,
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// ImagePrice2K 和 ImagePrice4K 为 nil，不更新
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}
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group, err := svc.UpdateGroup(context.Background(), 1, input)
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require.NoError(t, err)
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require.NotNil(t, group)
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// 验证：1K 被更新，2K 保持原值，4K 仍为 nil
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require.NotNil(t, repo.updated)
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require.NotNil(t, repo.updated.ImagePrice1K)
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require.InDelta(t, 0.10, *repo.updated.ImagePrice1K, 0.0001)
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require.NotNil(t, repo.updated.ImagePrice2K)
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require.InDelta(t, 0.15, *repo.updated.ImagePrice2K, 0.0001) // 原值保持
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require.Nil(t, repo.updated.ImagePrice4K)
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}
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