a654e96d66
- App-owned festival bus with Fire, Collect and UntilHandled - Recover listener panics with owner plugin IDs; isolate buses per app - towel context accessors and hello command demo of all three modes
64 lines
1.7 KiB
Go
64 lines
1.7 KiB
Go
package towel
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import "context"
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type actorKey struct{}
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type organizationKey struct{}
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type collectionKey struct{}
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type localeKey struct{}
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func withValue(ctx context.Context, key, value any) 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, key, value)
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}
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func stringValue(ctx context.Context, key any) (string, bool) {
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if ctx == nil {
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return "", false
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}
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v, ok := ctx.Value(key).(string)
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return v, ok
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}
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// WithActor stores the request actor on ctx.
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func WithActor(ctx context.Context, actor string) context.Context {
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return withValue(ctx, actorKey{}, actor)
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}
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// Actor returns the request actor from ctx.
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func Actor(ctx context.Context) (string, bool) {
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return stringValue(ctx, actorKey{})
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}
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// WithOrganization stores the request organization on ctx.
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func WithOrganization(ctx context.Context, org string) context.Context {
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return withValue(ctx, organizationKey{}, org)
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}
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// Organization returns the request organization from ctx.
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func Organization(ctx context.Context) (string, bool) {
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return stringValue(ctx, organizationKey{})
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}
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// WithCollection stores the request collection on ctx.
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func WithCollection(ctx context.Context, collection string) context.Context {
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return withValue(ctx, collectionKey{}, collection)
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}
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// Collection returns the request collection from ctx.
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func Collection(ctx context.Context) (string, bool) {
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return stringValue(ctx, collectionKey{})
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}
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// WithLocale stores the request locale on ctx.
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func WithLocale(ctx context.Context, locale string) context.Context {
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return withValue(ctx, localeKey{}, locale)
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}
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// Locale returns the request locale from ctx.
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func Locale(ctx context.Context) (string, bool) {
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return stringValue(ctx, localeKey{})
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}
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