pkgdash/service/service.go

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package service
import (
"context"
"net/http"
cmsservice "go.unistack.org/cms-service"
cmsstorage "go.unistack.org/cms-service/storage"
httpsrv "go.unistack.org/micro-server-http/v4"
"go.unistack.org/micro/v4"
"go.unistack.org/micro/v4/config"
"go.unistack.org/micro/v4/logger"
"go.unistack.org/micro/v4/options"
"go.unistack.org/micro/v4/register"
microuter "go.unistack.org/micro/v4/router"
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intcfg "go.unistack.org/unistack-org/pkgdash/config"
"go.unistack.org/unistack-org/pkgdash/handler"
"go.unistack.org/unistack-org/pkgdash/handler/encoders"
"go.unistack.org/unistack-org/pkgdash/storage"
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)
func NewService(ctx context.Context) (micro.Service, error) {
var reg register.Register
var router microuter.Router
if ctx == nil {
ctx = context.Background()
}
cfg := intcfg.NewConfig()
cs := cmsservice.NewConfigLocal(cfg)
if r, ok := register.FromContext(ctx); ok && r != nil {
reg = r
} else {
reg = register.NewRegister()
}
if r, ok := microuter.FromContext(ctx); ok && r != nil {
router = r
} else {
router = microuter.NewRouter()
}
mgsrv := httpsrv.NewServer(
options.Register(reg),
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)
svc := micro.NewService(
micro.Server(mgsrv),
micro.Register(reg),
micro.Router(router),
micro.Config(cs...),
)
writer, err := handler.NewWriter(encoders.NewJSONProto())
if err != nil {
logger.Fatalf(ctx, "failed init writer: %v", err)
}
h := handler.NewHandler(svc, writer)
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if err := svc.Init(
micro.AfterStart(func(_ context.Context) error {
return h.Init(svc.Options().Context)
}),
micro.BeforeStart(func(ctx context.Context) error {
if err := config.Load(ctx, cs, config.LoadOverride(true)); err != nil {
return err
}
if err := config.Validate(ctx, cfg); err != nil {
return err
}
if err := svc.Init(
micro.Name(cfg.Service.Name),
micro.Version(cfg.Service.Version),
); err != nil {
return err
}
if err := svc.Server("http").Init(
options.Address(cfg.App.Address),
options.Name(cfg.Service.Name),
options.Version(cfg.Service.Version),
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); err != nil {
return err
}
return nil
}),
micro.BeforeStart(func(_ context.Context) error {
level := logger.InfoLevel
if v, ok := cfg.Logger.Level[cfg.Service.Name]; ok {
level = logger.ParseLevel(v)
} else if v, ok = cfg.Logger.Level["all"]; ok {
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level = logger.ParseLevel(v)
}
log := logger.NewLogger(
logger.WithLevel(level),
logger.WithCallerSkipCount(3),
)
return svc.Init(micro.Logger(log))
}),
micro.BeforeStart(func(_ context.Context) error {
var connstr string
if v, ok := cfg.Storage.DSN[cfg.Service.Name]; ok {
connstr = v
} else if v, ok = cfg.Storage.DSN["all"]; ok {
connstr = v
}
scheme, dsn, err := cmsstorage.StorageOptions(connstr)
if err != nil {
return err
}
db, dbok := cmsstorage.FromContext(svc.Options().Context)
if !dbok {
db, err = cmsstorage.NewStorage(scheme, dsn)
if err != nil {
return err
}
}
store, err := storage.NewStorage(scheme, db)
if err != nil {
return err
}
return svc.Init(micro.Context(cmsstorage.InterfaceNewContext(svc.Options().Context, store)))
}),
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); err != nil {
return nil, err
}
mux := http.NewServeMux()
mux.HandleFunc("/listPackage", h.ListPackage)
mux.HandleFunc("/updateInfo", h.UpdateInfo)
mux.HandleFunc("/addComment", h.AddComment)
if err = svc.Server().Handle(svc.Server().NewHandler(mux)); err != nil {
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logger.Fatalf(ctx, "failed to register handler: %v", err)
}
return svc, nil
}