Initial open-source release (MIT): image2api AI gateway

Full Go backend + Vue 3 frontend, OpenAI-compatible API, multi-provider
account pools, billing/admin, Docker one-command deploy with auto HTTPS.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
2026-06-25 22:59:04 +08:00
co-authored by Claude Opus 4.8
commit 606caaf047
142 changed files with 33648 additions and 0 deletions
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package bootstrap
import (
"context"
"fmt"
"os"
"time"
"backend/internal/config"
"backend/internal/http/handler"
"backend/internal/http/router"
"backend/internal/model"
"backend/internal/provider/adobe"
"backend/internal/provider/chatgpt"
"backend/internal/provider/imagine"
"backend/internal/provider/krea"
"backend/internal/provider/leonardo"
"backend/internal/provider/runway"
"backend/internal/repo"
"backend/internal/service"
"backend/internal/storage"
"github.com/gin-gonic/gin"
"github.com/redis/go-redis/v9"
"gorm.io/driver/postgres"
"gorm.io/gorm"
)
type App struct {
Config *config.Config
DB *gorm.DB
Redis *redis.Client
Engine *gin.Engine
maintenanceCancel context.CancelFunc
}
func NewApp(ctx context.Context) (*App, error) {
cfg, err := config.Load()
if err != nil {
return nil, err
}
// Ensure the media root (generated outputs + uploaded reference images)
// exists from the first request — don't rely on lazy per-file MkdirAll.
if err := os.MkdirAll(cfg.GeneratedRoot, 0o755); err != nil {
return nil, fmt.Errorf("create generated root %s: %w", cfg.GeneratedRoot, err)
}
// TranslateError: 把驱动层错误(如 Postgres 23505 唯一冲突)翻译成 gorm.ErrDuplicatedKey,
// 否则各 import-*krea/adobe/leonardo/runway)里的 errors.Is(err, gorm.ErrDuplicatedKey)
// 兜底命不中,重复导入会直接抛原始错误 → 400,而不是按预期 Update 已有行。
db, err := gorm.Open(postgres.Open(cfg.PostgresDSN), &gorm.Config{TranslateError: true})
if err != nil {
return nil, fmt.Errorf("open postgres: %w", err)
}
sqlDB, err := db.DB()
if err != nil {
return nil, fmt.Errorf("sql db: %w", err)
}
sqlDB.SetMaxIdleConns(5)
sqlDB.SetMaxOpenConns(20)
sqlDB.SetConnMaxLifetime(30 * time.Minute)
if err := db.WithContext(ctx).AutoMigrate(model.AutoMigrateModels()...); err != nil {
return nil, fmt.Errorf("auto migrate: %w", err)
}
// Hard backstop for "one marketing code per user per batch": a partial unique
// index. Concurrent double-redeems that slip past the in-tx count check still
// fail here. AutoMigrate can't express partial indexes, so do it raw.
if err := db.WithContext(ctx).Exec(`CREATE UNIQUE INDEX IF NOT EXISTS uniq_cdk_marketing_batch_user ` +
`ON cdk_codes (batch_id, redeemed_by) WHERE type = 'marketing' AND redeemed_by IS NOT NULL`).Error; err != nil {
return nil, fmt.Errorf("cdk marketing index: %w", err)
}
if err := seedDefaults(ctx, db); err != nil {
return nil, fmt.Errorf("seed defaults: %w", err)
}
rdb := redis.NewClient(&redis.Options{
Addr: cfg.RedisAddr,
Password: cfg.RedisPassword,
DB: cfg.RedisDB,
})
if err := rdb.Ping(ctx).Err(); err != nil {
return nil, fmt.Errorf("ping redis: %w", err)
}
userRepo := repo.NewUserRepository(db)
showcaseRepo := repo.NewShowcaseRepository(db)
siteRepo := repo.NewSiteSettingRepository(db, rdb)
modelRepo := repo.NewModelRepository(db)
eventRepo := repo.NewEventRepository(db)
cdkRepo := repo.NewCDKRepository(db)
apiKeyRepo := repo.NewAPIKeyRepository(db)
tokenRepo := repo.NewTokenRepository(db)
refreshRepo := repo.NewRefreshProfileRepository(db)
sessionSvc := service.NewSessionService(rdb, cfg.SessionTTL, cfg.SessionSlideAfter)
emailCodeSvc := service.NewEmailCodeService(rdb)
smtpSvc := service.NewSMTPService()
rateLimitSvc := service.NewRateLimitService(rdb)
rustfsClient := storage.New(cfg.RustFSEndpoint, cfg.RustFSBucket, cfg.RustFSAccessKey, cfg.RustFSSecretKey)
authSvc := service.NewAuthService(userRepo, siteRepo, sessionSvc, emailCodeSvc, smtpSvc)
appSettingsSvc := service.NewAppSettingsService(siteRepo, eventRepo, smtpSvc, rustfsClient)
imageAccessSvc := service.NewImageAccessService(cfg.GeneratedRoot, showcaseRepo, authSvc)
adobeClient := adobe.NewClient("clio-playground-web", "")
chatGPTClient := chatgpt.NewClient("")
runwayClient := runway.NewClient("")
leonardoClient := leonardo.NewClient("")
kreaClient := krea.NewClient("")
imagineClient := imagine.NewClient("")
v1Svc := service.NewV1Service(cfg, modelRepo, userRepo, eventRepo, tokenRepo, siteRepo, adobeClient, chatGPTClient, runwayClient, leonardoClient, kreaClient, imagineClient, rustfsClient)
siteSvc := service.NewSiteService(siteRepo, cfg.AppTitle)
showcaseSvc := service.NewShowcaseService(showcaseRepo)
adminReadSvc := service.NewAdminReadService(cfg, userRepo, modelRepo, eventRepo, siteRepo, tokenRepo, cdkRepo, rustfsClient)
adminWriteSvc := service.NewAdminWriteService(userRepo, showcaseRepo, modelRepo, eventRepo, apiKeyRepo)
cdkSvc := service.NewCDKService(cdkRepo, userRepo)
apiKeySvc := service.NewAPIKeyService(apiKeyRepo)
tokenSvc := service.NewTokenService(tokenRepo, refreshRepo, eventRepo, siteRepo, adobeClient, chatGPTClient, runwayClient, leonardoClient, kreaClient, imagineClient)
refreshSvc := service.NewRefreshProfileService(refreshRepo, tokenRepo, adobeClient)
// Enable refresh-then-retry on a mid-request Adobe 401 (re-mint access token
// from the cookie). Wired post-construction to avoid a ctor init cycle.
v1Svc.SetRefresh(refreshSvc)
userGenSvc := service.NewUserGenerationService(v1Svc, eventRepo, userRepo, modelRepo)
engine := router.New(cfg, authSvc, router.Handlers{
Health: handler.NewHealthHandler(),
Images: handler.NewImageHandler(cfg, imageAccessSvc, rustfsClient),
V1: handler.NewV1Handler(v1Svc),
Site: handler.NewSiteHandler(siteSvc),
Showcase: handler.NewShowcaseHandler(showcaseSvc),
Auth: handler.NewAuthHandler(cfg, authSvc, rateLimitSvc),
SiteSettings: handler.NewSiteSettingsHandler(siteSvc),
AppSettings: handler.NewAppSettingsHandler(appSettingsSvc),
AdminRead: handler.NewAdminReadHandler(adminReadSvc),
AdminWrite: handler.NewAdminWriteHandler(adminWriteSvc),
CDK: handler.NewCDKHandler(cdkSvc),
UserTools: handler.NewUserToolsHandler(apiKeySvc, cdkSvc),
UserGen: handler.NewUserGenerationHandler(userGenSvc, adminReadSvc),
ProviderAdmin: handler.NewProviderAdminHandler(tokenSvc, refreshSvc),
})
// Background self-healing sweep (quota recovery, cookie refresh, stale-pending
// cleanup, log retention) — the Go equivalent of the Python daemon thread.
maintenanceSvc := service.NewMaintenanceService(tokenRepo, tokenSvc, eventRepo, userRepo, refreshSvc, siteRepo, rustfsClient, v1Svc.Inflight(), showcaseRepo)
loopCtx, loopCancel := context.WithCancel(context.Background())
go maintenanceSvc.Run(loopCtx)
return &App{
Config: cfg,
DB: db,
Redis: rdb,
Engine: engine,
maintenanceCancel: loopCancel,
}, nil
}
func (a *App) Close() error {
if a.maintenanceCancel != nil {
a.maintenanceCancel()
}
if a.Redis != nil {
if err := a.Redis.Close(); err != nil {
return err
}
}
if a.DB != nil {
sqlDB, err := a.DB.DB()
if err != nil {
return err
}
return sqlDB.Close()
}
return nil
}
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package bootstrap
import (
"context"
"backend/internal/model"
"gorm.io/gorm"
)
func seedDefaults(ctx context.Context, db *gorm.DB) error {
defaults := []model.SiteSetting{
{Key: "site.title", Value: "Vivid"},
{Key: "contact.qq", Value: "1114639355"},
{Key: "contact.qq_link", Value: "https://qm.qq.com/q/ItgCcNA7ac"},
{Key: "contact.qq_group", Value: "1106849765"},
{Key: "contact.qq_group_link", Value: "https://qm.qq.com/q/976LeMFoHu"},
{Key: "contact.email", Value: "vividairun@gmail.com"},
{Key: "contact.shop", Value: "https://pay.ldxp.cn/shop/chiyi"},
{Key: "auth.open", Value: "true"},
{Key: "auth.email_code", Value: "false"},
{Key: "auth.allow_password_reset", Value: "false"},
{Key: "auth.allowed_email_domains", Value: ""},
{Key: "auth.code_ttl_seconds", Value: "600"},
{Key: "smtp.host", Value: ""},
{Key: "smtp.port", Value: "587"},
{Key: "smtp.username", Value: ""},
{Key: "smtp.password", Value: ""},
{Key: "smtp.from_addr", Value: ""},
{Key: "smtp.use_tls", Value: "true"},
{Key: "proxy.url", Value: ""},
{Key: "credits.checkin_enabled", Value: "true"},
{Key: "credits.checkin_reward", Value: "3"},
{Key: "credits.invite_enabled", Value: "true"},
{Key: "credits.invite_reward", Value: "3"},
{Key: "logs.retention_days", Value: "30"},
{Key: "media.retention_days", Value: "30"},
}
for _, item := range defaults {
var count int64
if err := db.WithContext(ctx).Model(&model.SiteSetting{}).Where("key = ?", item.Key).Count(&count).Error; err != nil {
return err
}
if count > 0 {
continue
}
if err := db.WithContext(ctx).Create(&item).Error; err != nil {
return err
}
}
return nil
}