feat(models): add validate cmd that accepts a json model & validate…

…s it

.golangci.yaml

@@ -35,6 +35,8 @@ linters-settings:
           - github.com/spf13/viper
           - github.com/openfga/cli
           - github.com/openfga/go-sdk
+          - github.com/openfga/openfga
+          - go.buf.build/openfga/go/openfga/api
       test:
         files:
           - "$test"

cmd/models/models.go

@@ -32,6 +32,7 @@ func init() {
 	ModelsCmd.AddCommand(writeCmd)
 	ModelsCmd.AddCommand(listCmd)
 	ModelsCmd.AddCommand(getCmd)
+	ModelsCmd.AddCommand(validateCmd)
 
 	ModelsCmd.PersistentFlags().String("store-id", "", "Store ID")
 	ModelsCmd.Flags().String("store-id", "", "Store ID")

cmd/models/validate.go

@@ -0,0 +1,52 @@
+/*
+Copyright © 2023 OpenFGA
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+	http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+package models
+
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+
+	"github.com/openfga/openfga/pkg/typesystem"
+	"github.com/spf13/cobra"
+	openfgapb "go.buf.build/openfga/go/openfga/api/openfga/v1"
+)
+
+// validateCmd represents the get command.
+var validateCmd = &cobra.Command{
+	Use:   "validate",
+	Short: "Validates an authorization model",
+	Args:  cobra.ExactArgs(1),
+	Run: func(cmd *cobra.Command, args []string) {
+		model := &openfgapb.AuthorizationModel{}
+		err := json.Unmarshal([]byte(args[0]), &model)
+		if err != nil {
+			fmt.Printf("Failed to parse input due to %v", err)
+			os.Exit(1)
+		}
+
+		_, err = typesystem.NewAndValidate(model)
+
+		if err != nil {
+			fmt.Printf("Model is INVALID. Error = %v", err)
+			os.Exit(1)
+		}
+		fmt.Printf("Model is VALID.")
+	},
+}
+
+func init() {
+}

go.mod

@@ -4,12 +4,16 @@ go 1.20
 
 require (
 	github.com/openfga/go-sdk v0.2.3-0.20230613190254-a6fb3f6bbb9f
+	github.com/openfga/openfga v1.1.0
 	github.com/spf13/cobra v1.7.0
 	github.com/spf13/viper v1.16.0
+	go.buf.build/openfga/go/openfga/api v1.2.50
 )
 
 require (
 	github.com/fsnotify/fsnotify v1.6.0 // indirect
+	github.com/golang/protobuf v1.5.3 // indirect
+	github.com/grpc-ecosystem/grpc-gateway/v2 v2.15.2 // indirect
 	github.com/hashicorp/hcl v1.0.0 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
 	github.com/magiconair/properties v1.8.7 // indirect
@@ -20,9 +24,15 @@ require (
 	github.com/spf13/jwalterweatherman v1.1.0 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
 	github.com/subosito/gotenv v1.4.2 // indirect
+	go.buf.build/openfga/go/envoyproxy/protoc-gen-validate v1.2.8 // indirect
+	go.buf.build/openfga/go/grpc-ecosystem/grpc-gateway v1.2.50 // indirect
+	golang.org/x/net v0.10.0 // indirect
 	golang.org/x/sync v0.2.0 // indirect
 	golang.org/x/sys v0.9.0 // indirect
 	golang.org/x/text v0.10.0 // indirect
+	google.golang.org/genproto v0.0.0-20230410155749-daa745c078e1 // indirect
+	google.golang.org/grpc v1.55.0 // indirect
+	google.golang.org/protobuf v1.30.0 // indirect
 	gopkg.in/ini.v1 v1.67.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )