mirror of
https://github.com/ent/ent.git
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7988d3084d
* entc/hooks: initial work for mutations and hooks * ent/schema: adding policy to schema * ent: change op string to uint * entc: move entschema to runtime and enable smooth transition * entc/privacy: adding privacy template * all: goimports * intg/hooks: mutation client/tx and basic schema tests * ent/privacy: adding more verbose decisions * entc/gen: edge-ids getter and additional tests * all: regen assets * entc/gen: fix client hookd propagation * intg: add deletion example * intg/privacy: remove old entschema package * typed privacy * ent/privacy: hooks shouldn't be called on privacy deny * entc/gen: fix schema hooks invocation order * remove read policy from public api * update circleci go orb Co-authored-by: Ariel Mashraki <ariel@mashraki.co.il>
70 lines
1.9 KiB
Go
70 lines
1.9 KiB
Go
//+build tests
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package main
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import (
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"context"
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"fmt"
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"io"
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"os"
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"github.com/facebookincubator/ent/entc/integration/hooks/ent"
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"github.com/facebookincubator/ent/entc/integration/hooks/ent/hook"
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_ "github.com/facebookincubator/ent/entc/integration/hooks/ent/runtime"
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_ "github.com/mattn/go-sqlite3"
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)
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func main() {
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ctx := context.Background()
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client, err := ent.Open("sqlite3", "file:ent?mode=memory&cache=shared&_fk=1")
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if err != nil {
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panic(err)
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}
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if err := client.Schema.Create(ctx); err != nil {
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panic(err)
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}
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client.Use(func(next ent.Mutator) ent.Mutator {
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return ent.MutateFunc(func(ctx context.Context, m ent.Mutation) (ent.Value, error) {
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fmt.Println("start")
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defer fmt.Println("end")
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return next.Mutate(ctx, m)
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})
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})
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client.Card.Use(func(next ent.Mutator) ent.Mutator {
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return ent.MutateFunc(func(ctx context.Context, m ent.Mutation) (ent.Value, error) {
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fmt.Printf("Before Hook\tOp: %s\tType: %s\tConcreteType: %T\n", m.Op(), m.Type(), m)
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defer fmt.Println("Done!")
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if ns, ok := m.(interface{ SetName(string) }); ok {
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ns.SetName("hook name")
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}
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return next.Mutate(ctx, m)
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})
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})
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client.Card.Use(func(next ent.Mutator) ent.Mutator {
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return hook.CardFunc(func(ctx context.Context, m *ent.CardMutation) (ent.Value, error) {
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fmt.Println("Concrete hook\t", m.Op())
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return next.Mutate(ctx, m)
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})
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})
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client.Use(hook.On(LogWithConfig(os.Stdout), ent.OpUpdate|ent.OpCreate))
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u := client.Card.Create().SetNumber("A").SaveX(ctx)
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u.Update().SetName("Boring2").SaveX(ctx)
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client.Card.Update().SetName("foo").SaveX(ctx)
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client.Card.DeleteOneID(u.ID).ExecX(ctx)
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client.Card.Delete().ExecX(ctx)
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}
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func LogWithConfig(w io.Writer) ent.Hook {
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if w == nil {
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w = os.Stdout
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}
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return func(next ent.Mutator) ent.Mutator {
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return hook.CardFunc(func(ctx context.Context, m *ent.CardMutation) (ent.Value, error) {
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fmt.Fprintln(w, "Logging Hook:\t", m.Op())
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return next.Mutate(ctx, m)
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})
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}
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}
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