123 lines
3.2 KiB
Go
123 lines
3.2 KiB
Go
package servicecontext
|
|
|
|
import (
|
|
"context"
|
|
"errors"
|
|
"example.com/userService/internal/middleware"
|
|
userrepo "example.com/userService/internal/repository/user"
|
|
"example.com/userService/internal/settings"
|
|
"git.yuntuo.hk/k2safe/go-omni/database"
|
|
"git.yuntuo.hk/k2safe/go-omni/health"
|
|
"git.yuntuo.hk/k2safe/go-omni/httpx"
|
|
"git.yuntuo.hk/k2safe/go-omni/logx"
|
|
"git.yuntuo.hk/k2safe/go-omni/storage"
|
|
"github.com/go-sql-driver/mysql"
|
|
"net/http"
|
|
"sync"
|
|
"time"
|
|
)
|
|
|
|
// Context owns infrastructure, while Logger is borrowed from main.
|
|
// Add business repositories here; HTTP contracts do not define database tables.
|
|
type Context struct {
|
|
Users userrepo.UnitOfWork
|
|
Logger *logx.Logger
|
|
Health *health.Checker
|
|
Middlewares map[string]httpx.Middleware
|
|
DB *database.DB
|
|
|
|
Files storage.Store
|
|
Uploads *storage.Uploader
|
|
Downloads storage.Presigner
|
|
UploadLinks storage.UploadPresigner
|
|
FileHTTP http.Handler
|
|
storageClose func() error
|
|
|
|
closeMu sync.Mutex
|
|
closed bool
|
|
closeOnce sync.Once
|
|
closeErr error
|
|
}
|
|
|
|
// Pass the settings loaded by main. The optional form supports lightweight
|
|
// tests without infrastructure; selected adapters still require valid settings.
|
|
func New(ctx context.Context, logger *logx.Logger, configs ...settings.Config) (result *Context, err error) {
|
|
if ctx == nil {
|
|
ctx = context.Background()
|
|
}
|
|
if err = ctx.Err(); err != nil {
|
|
return nil, err
|
|
}
|
|
if len(configs) > 1 {
|
|
return nil, errors.New("expected at most one configuration")
|
|
}
|
|
cfg := settings.Default()
|
|
if len(configs) == 1 {
|
|
cfg = configs[0]
|
|
}
|
|
_ = cfg
|
|
checker, err := health.New()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
c := &Context{Logger: logger, Health: checker, Middlewares: middleware.Defaults()}
|
|
defer func() {
|
|
if err != nil {
|
|
err = errors.Join(err, c.Close())
|
|
}
|
|
}()
|
|
|
|
if err = cfg.Validate(); err != nil {
|
|
return nil, err
|
|
}
|
|
dsn, parseErr := mysql.ParseDSN(cfg.Database.DSN)
|
|
if parseErr != nil || dsn.DBName == "" {
|
|
return nil, errors.New("GO_OMNI_DB_DSN must contain a valid MySQL database name")
|
|
}
|
|
dsn.ParseTime = true
|
|
dsn.Loc = time.UTC
|
|
cfg.Database.DSN = dsn.FormatDSN()
|
|
c.DB, err = database.Open(ctx, cfg.Database)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if err = checker.Add(health.Probe{Name: "database", Timeout: cfg.Database.PingTimeout, Check: c.DB.Health}); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if err = c.InitStorage(ctx, cfg.Storage); err != nil {
|
|
return nil, err
|
|
}
|
|
c.Users = userrepo.NewStore(c.DB)
|
|
checkCtx, cancel := context.WithTimeout(ctx, cfg.Database.PingTimeout)
|
|
defer cancel()
|
|
if err = userrepo.NewStore(c.DB).CheckSchema(checkCtx); err != nil {
|
|
return nil, errors.New("user schema is missing or incompatible; apply migrations first")
|
|
}
|
|
authHook, authErr := middleware.NewAuthFromEnv()
|
|
if authErr != nil {
|
|
return nil, authErr
|
|
}
|
|
c.Middlewares["Auth"] = authHook
|
|
return c, nil
|
|
}
|
|
|
|
// Close is idempotent, including startup failure and graceful shutdown.
|
|
func (c *Context) Close() error {
|
|
if c == nil {
|
|
return nil
|
|
}
|
|
c.closeMu.Lock()
|
|
defer c.closeMu.Unlock()
|
|
c.closed = true
|
|
c.closeOnce.Do(func() {
|
|
if c.storageClose != nil {
|
|
c.closeErr = errors.Join(c.closeErr, c.storageClose())
|
|
}
|
|
if c.DB != nil {
|
|
c.closeErr = errors.Join(c.closeErr, c.DB.Close())
|
|
}
|
|
})
|
|
return c.closeErr
|
|
}
|