137 lines
2.8 KiB
Go
137 lines
2.8 KiB
Go
package command
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import (
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"context"
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"fmt"
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"log"
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"os"
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"os/exec"
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"strings"
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"forge.cadoles.com/wpetit/formidable/internal/server"
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"github.com/pkg/errors"
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_ "github.com/santhosh-tekuri/jsonschema/v5/httploader"
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"github.com/urfave/cli/v2"
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)
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func Edit() *cli.Command {
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flags := commonFlags()
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flags = append(flags,
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&cli.StringFlag{
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Name: "browser",
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EnvVars: []string{"FORMIDABLE_BROWSER"},
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Value: "w3m",
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},
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&cli.StringFlag{
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Name: "http-host",
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EnvVars: []string{"FORMIDABLE_HTTP_HOST"},
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Value: "127.0.0.1",
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},
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&cli.UintFlag{
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Name: "http-port",
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EnvVars: []string{"FORMIDABLE_HTTP_PORT"},
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Value: 0,
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},
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&cli.BoolFlag{
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Name: "no-browser",
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EnvVars: []string{"FORMIDABLE_NO_BROWSER"},
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Value: false,
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},
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)
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return &cli.Command{
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Name: "edit",
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Usage: "Display a form for given schema and values",
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Flags: flags,
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Action: func(ctx *cli.Context) error {
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browser := ctx.String("browser")
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noBrowser := ctx.Bool("no-browser")
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httpPort := ctx.Uint("http-port")
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httpHost := ctx.String("http-host")
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schema, err := loadSchema(ctx)
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if err != nil {
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return errors.Wrap(err, "could not load schema")
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}
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values, err := loadValues(ctx)
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if err != nil {
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return errors.Wrap(err, "could not load values")
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}
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defaults, err := loadDefaults(ctx)
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if err != nil {
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return errors.Wrap(err, "could not load defaults")
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}
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srvCtx, srvCancel := context.WithCancel(ctx.Context)
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defer srvCancel()
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srv := server.New(
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server.WithAddress(httpHost, httpPort),
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server.WithSchema(schema),
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server.WithValues(values),
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server.WithDefaults(defaults),
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server.WithOnUpdate(func(values interface{}) error {
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if err := outputValues(ctx, values); err != nil {
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return errors.Wrap(err, "could not output updated values")
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}
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return nil
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}),
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)
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addrs, srvErrs := srv.Start(srvCtx)
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url := fmt.Sprintf("http://%s", (<-addrs).String())
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url = strings.Replace(url, "0.0.0.0", "127.0.0.1", 1)
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log.Printf("listening on %s", url)
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browserErrs := make(chan error)
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browserCtx, browserCancel := context.WithCancel(ctx.Context)
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defer browserCancel()
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if !noBrowser {
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browserErrs = startBrowser(browserCtx, browser, url)
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}
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select {
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case err := <-browserErrs:
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srvCancel()
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return errors.WithStack(err)
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case err := <-srvErrs:
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browserCancel()
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return errors.WithStack(err)
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}
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},
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}
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}
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func startBrowser(ctx context.Context, browser, url string) chan error {
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cmdErrs := make(chan error)
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go func() {
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defer func() {
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close(cmdErrs)
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}()
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cmd := exec.CommandContext(ctx, browser, url)
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cmd.Stdin = os.Stdin
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cmd.Stderr = os.Stderr
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cmd.Stdout = os.Stdout
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cmd.Env = os.Environ()
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if err := cmd.Run(); err != nil {
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cmdErrs <- errors.WithStack(err)
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}
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}()
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return cmdErrs
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}
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