import (	permify_payload "buf.build/gen/go/permifyco/permify/protocolbuffers/go/base/v1"	permify_grpc "github.com/Permify/permify-go/grpc" )

// generate new client client, err := permify_grpc.NewClient(	permify_grpc.Config{ Endpoint: `localhost:3478`,	}, grpc.WithTransportCredentials(insecure.NewCredentials()), )

ct, err := client.Tenancy.Create(context.Background(), &permify_payload.TenantCreateRequest{ Id: "t1", Name: "tenant 1", })

sr, err := client.Schema.Write(context.Background(), &permify_payload.SchemaWriteRequest { TenantId: "t1", Schema: `  entity user {}    entity document {    relation viewer @user  action view = viewer  }`, })

rr, err := client.Data.WriteRelationships(context.Background(), & permify_payload.RelationshipWriteRequest { TenantId: "t1", Metadata: & permify_payload.RelationshipWriteRequestMetadata { SchemaVersion: sr.SchemaVersion, // sr --> schema write response }, Tuples: [] * permify_payload.Tuple { { Entity: & permify_payload.Entity { Type: "document", Id: "1", }, Relation: "viewer", Subject: & permify_payload.Subject { Type: "user", Id: "1", }, }, { Entity: & permify_payload.Entity { Type: "document", Id: "3", }, Relation: "viewer", Subject: & permify_payload.Subject { Type: "user", Id: "1", }, }, }, })

cr, err := client.Permission.Check(context.Background(), & permify_payload.PermissionCheckRequest { TenantId: "t1", Metadata: & permify_payload.PermissionCheckRequestMetadata { SnapToken: rr.SnapToken, // rr --> relationship write response SchemaVersion: sr.SchemaVersion, // sr --> schema write response Depth: 50, }, Entity: & permify_payload.Entity { Type: "document", Id: "1", }, Permission: "view", Subject: & permify_payload.Subject { Type: "user", Id: "3", }, }) if (cr.Can == permify_payload.CheckResult_CHECK_RESULT_ALLOWED) { // RESULT_ALLOWED } else { // RESULT_DENIED }

str, err := client.Permission.LookupEntityStream(context.Background(), & permify_payload.PermissionLookupEntityRequest { TenantId: "t1", Metadata: & permify_payload.PermissionLookupEntityRequestMetadata { SnapToken: rr.SnapToken, // rr --> relationship write response SchemaVersion: sr.SchemaVersion, // sr --> schema write response Depth: 50, }, EntityType: "document", Permission: "view", Subject: & permify_payload.Subject { Type: "user", Id: "1", }, }) // handle stream response for { res, err := str.Recv() if err == io.EOF { break } // res.EntityId }