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zeekay
6f328356b1
Type-safe Model[T] mixin with auto-registration, lifecycle hooks (Before/AfterCreate, Before/AfterUpdate, Before/AfterDelete), struct tag defaults (orm:"default:..."), auto-serialization of Foo/Foo_ field pairs, and typed ModelQuery[T] query builder.
43 lines
1.1 KiB
Go
43 lines
1.1 KiB
Go
package orm
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// Hook interfaces for model lifecycle events.
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// Models implement these optionally to run logic before/after CRUD operations.
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// BeforeCreator is called before a new entity is persisted.
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type BeforeCreator interface {
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BeforeCreate() error
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}
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// AfterCreator is called after a new entity is persisted.
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type AfterCreator interface {
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AfterCreate() error
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}
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// BeforeUpdater is called before an entity update, receiving a clone of the
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// previous state. The type parameter allows strongly-typed prev values.
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type BeforeUpdater[T any] interface {
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BeforeUpdate(prev *T) error
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}
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// AfterUpdater is called after an entity update, receiving a clone of the
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// previous state.
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type AfterUpdater[T any] interface {
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AfterUpdate(prev *T) error
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}
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// BeforeDeleter is called before an entity is deleted.
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type BeforeDeleter interface {
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BeforeDelete() error
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}
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// AfterDeleter is called after an entity is deleted.
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type AfterDeleter interface {
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AfterDelete() error
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}
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// Defaulter is implemented by models that need custom default values
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// beyond what orm:"default:..." tags provide.
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type Defaulter interface {
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Defaults()
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}
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