package config import ( "context" "github.com/unistack-org/micro/v3/codec" "github.com/unistack-org/micro/v3/logger" "github.com/unistack-org/micro/v3/meter" "github.com/unistack-org/micro/v3/tracer" ) // Options hold the config options type Options struct { // Struct holds the destination config struct Struct interface{} // Codec that used for load/save Codec codec.Codec // Tracer that will be used Tracer tracer.Tracer // Meter that will be used Meter meter.Meter // Logger that will be used Logger logger.Logger // Context used for external options Context context.Context // Name of the config Name string // StructTag name StructTag string // BeforeSave contains slice of funcs that runs before save BeforeSave []func(context.Context, Config) error // AfterLoad contains slice of funcs that runs after load AfterLoad []func(context.Context, Config) error // BeforeLoad contains slice of funcs that runs before load BeforeLoad []func(context.Context, Config) error // AfterSave contains slice of funcs that runs after save AfterSave []func(context.Context, Config) error // AllowFail flag to allow fail in config source AllowFail bool } // Option function signature type Option func(o *Options) // NewOptions new options struct with filed values func NewOptions(opts ...Option) Options { options := Options{ Logger: logger.DefaultLogger, Meter: meter.DefaultMeter, Tracer: tracer.DefaultTracer, Context: context.Background(), } for _, o := range opts { o(&options) } return options } // AllowFail allows config source to fail func AllowFail(b bool) Option { return func(o *Options) { o.AllowFail = b } } // BeforeLoad run funcs before config load func BeforeLoad(fn ...func(context.Context, Config) error) Option { return func(o *Options) { o.BeforeLoad = fn } } // AfterLoad run funcs after config load func AfterLoad(fn ...func(context.Context, Config) error) Option { return func(o *Options) { o.AfterLoad = fn } } // BeforeSave run funcs before save func BeforeSave(fn ...func(context.Context, Config) error) Option { return func(o *Options) { o.BeforeSave = fn } } // AfterSave run fncs after save func AfterSave(fn ...func(context.Context, Config) error) Option { return func(o *Options) { o.AfterSave = fn } } // Context pass context func Context(ctx context.Context) Option { return func(o *Options) { o.Context = ctx } } // Codec sets the source codec func Codec(c codec.Codec) Option { return func(o *Options) { o.Codec = c } } // Logger sets the logger func Logger(l logger.Logger) Option { return func(o *Options) { o.Logger = l } } // Tracer to be used for tracing func Tracer(t tracer.Tracer) Option { return func(o *Options) { o.Tracer = t } } // Struct used as config func Struct(v interface{}) Option { return func(o *Options) { o.Struct = v } } // StructTag sets the struct tag that used for filling func StructTag(name string) Option { return func(o *Options) { o.StructTag = name } } // Name sets the name func Name(n string) Option { return func(o *Options) { o.Name = n } }