74 lines
1.7 KiB
Go
74 lines
1.7 KiB
Go
package config
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import (
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"context"
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)
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type configKey struct{}
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// FromContext returns store from context
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func FromContext(ctx context.Context) (Config, bool) {
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if ctx == nil {
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return nil, false
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}
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c, ok := ctx.Value(configKey{}).(Config)
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return c, ok
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}
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// MustContext returns store from context
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func MustContext(ctx context.Context) Config {
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c, ok := FromContext(ctx)
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if !ok {
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panic("missing config")
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}
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return c
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}
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// NewContext put store in context
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func NewContext(ctx context.Context, c Config) context.Context {
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if ctx == nil {
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ctx = context.Background()
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}
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return context.WithValue(ctx, configKey{}, c)
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}
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// SetOption returns a function to setup a context with given value
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func SetOption(k, v interface{}) Option {
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return func(o *Options) {
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if o.Context == nil {
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o.Context = context.Background()
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}
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o.Context = context.WithValue(o.Context, k, v)
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}
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}
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// SetSaveOption returns a function to setup a context with given value
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func SetSaveOption(k, v interface{}) SaveOption {
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return func(o *SaveOptions) {
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if o.Context == nil {
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o.Context = context.Background()
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}
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o.Context = context.WithValue(o.Context, k, v)
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}
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}
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// SetLoadOption returns a function to setup a context with given value
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func SetLoadOption(k, v interface{}) LoadOption {
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return func(o *LoadOptions) {
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if o.Context == nil {
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o.Context = context.Background()
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}
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o.Context = context.WithValue(o.Context, k, v)
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}
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}
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// SetWatchOption returns a function to setup a context with given value
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func SetWatchOption(k, v interface{}) WatchOption {
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return func(o *WatchOptions) {
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if o.Context == nil {
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o.Context = context.Background()
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}
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o.Context = context.WithValue(o.Context, k, v)
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}
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}
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