doodle/cmd/doodad/commands/edit_doodad.go

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package commands
import (
"fmt"
"os"
"strings"
"git.kirsle.net/apps/doodle/pkg/doodads"
"git.kirsle.net/apps/doodle/pkg/log"
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"github.com/urfave/cli/v2"
)
// EditDoodad allows writing doodad metadata.
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var EditDoodad *cli.Command
func init() {
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EditDoodad = &cli.Command{
Name: "edit-doodad",
Usage: "update metadata for a Doodad file",
ArgsUsage: "<filename.doodad>",
Flags: []cli.Flag{
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&cli.BoolFlag{
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Name: "quiet",
Aliases: []string{"q"},
Usage: "limit output (don't show doodad data at the end)",
},
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&cli.StringFlag{
Name: "title",
Usage: "set the doodad title",
},
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&cli.StringFlag{
Name: "author",
Usage: "set the doodad author",
},
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&cli.StringSliceFlag{
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Name: "tag",
Aliases: []string{"t"},
Usage: "set a key/value tag on the doodad, in key=value format. Empty value deletes the tag.",
},
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&cli.BoolFlag{
Name: "hide",
Usage: "Hide the doodad from the palette",
},
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&cli.BoolFlag{
Name: "unhide",
Usage: "Unhide the doodad from the palette",
},
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&cli.BoolFlag{
Name: "lock",
Usage: "write-lock the level file",
},
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&cli.BoolFlag{
Name: "unlock",
Usage: "remove the write-lock on the level file",
},
},
Action: func(c *cli.Context) error {
if c.NArg() < 1 {
return cli.NewExitError(
"Usage: doodad edit-doodad <filename.doodad>",
1,
)
}
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var filenames = c.Args().Slice()
for _, filename := range filenames {
if err := editDoodad(c, filename); err != nil {
log.Error("%s: %s", filename, err)
}
}
return nil
},
}
}
func editDoodad(c *cli.Context, filename string) error {
var modified bool
dd, err := doodads.LoadJSON(filename)
if err != nil {
return fmt.Errorf("Failed to load %s: %s", filename, err)
}
log.Info("Edit Doodad: %s", filename)
/***************************
* Update level properties *
***************************/
if c.String("title") != "" {
dd.Title = c.String("title")
log.Info("Set title: %s", dd.Title)
modified = true
}
if c.String("author") != "" {
dd.Author = c.String("author")
log.Info("Set author: %s", dd.Author)
modified = true
}
// Tags.
tags := c.StringSlice("tag")
if len(tags) > 0 {
for _, tag := range tags {
parts := strings.SplitN(tag, "=", 2)
if len(parts) != 2 {
log.Error("--tag: must be in format `key=value`. Value may be blank to delete a tag. len=%d", len(parts))
os.Exit(1)
}
var (
key = parts[0]
value = parts[1]
)
if value == "" {
log.Debug("Delete tag '%s'", key)
delete(dd.Tags, key)
} else {
log.Debug("Set tag '%s' to '%s'", key, value)
dd.Tags[key] = value
}
modified = true
}
}
if c.Bool("hide") {
dd.Hidden = true
log.Info("Marked doodad Hidden")
modified = true
} else if c.Bool("unhide") {
dd.Hidden = false
log.Info("Doodad is no longer Hidden")
modified = true
}
if c.Bool("lock") {
dd.Locked = true
log.Info("Write lock enabled.")
modified = true
} else if c.Bool("unlock") {
dd.Locked = false
log.Info("Write lock disabled.")
modified = true
}
/******************************
* Save level changes to disk *
******************************/
if modified {
if err := dd.WriteJSON(filename); err != nil {
return cli.NewExitError(fmt.Sprintf("Write error: %s", err), 1)
}
} else {
log.Warn("Note: No changes made to level")
}
if c.Bool("quiet") {
return nil
}
return showDoodad(c, filename)
}