formidable/internal/command/get.go

70 lines
1.5 KiB
Go

package command
import (
"encoding/json"
"fmt"
"os"
"forge.cadoles.com/wpetit/formidable/internal/jsonpointer"
"github.com/pkg/errors"
"github.com/santhosh-tekuri/jsonschema/v5"
_ "github.com/santhosh-tekuri/jsonschema/v5/httploader"
"github.com/urfave/cli/v2"
)
func Get() *cli.Command {
flags := []cli.Flag{}
flags = append(flags, commonFlags()...)
return &cli.Command{
Name: "get",
Usage: "Get value at specific path",
Flags: flags,
Action: func(ctx *cli.Context) error {
schema, err := loadSchema(ctx)
if err != nil {
return errors.Wrap(err, "could not load schema")
}
values, err := loadValues(ctx)
if err != nil {
return errors.Wrap(err, "could not load values")
}
if err := schema.Validate(values); err != nil {
if _, ok := err.(*jsonschema.ValidationError); ok {
fmt.Printf("%#v\n", err)
os.Exit(1)
}
return errors.Wrap(err, "could not validate resulting json")
}
rawPointer := ctx.Args().Get(0)
pointer := jsonpointer.New(rawPointer)
value, err := pointer.Get(values)
if err != nil {
return errors.Wrapf(err, "could not get value from pointer '%v'", rawPointer)
}
output, err := outputWriter(ctx)
if err != nil {
return errors.Wrap(err, "could not create output writer")
}
encoder := json.NewEncoder(output)
encoder.SetIndent("", " ")
if err := encoder.Encode(value); err != nil {
return errors.Wrap(err, "could not write to output")
}
return nil
},
}
}