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Validate colors from configuration file

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This commit is contained in:
Ryan Cavicchioni 2021-01-24 19:02:48 -06:00
parent 30ffe76a4b
commit 78ede4a084
1 changed files with 26 additions and 0 deletions
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26
cmd/command.go
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@ -100,5 +100,31 @@ func (c *Config) Validate() error {
if c.AccessToken == "" {
err = errors.New("access_token is not set")
}
if err = c.validateColors(); err != nil {
return err
}
return err
}
func (c *Config) validateColors() (err error) {
if len(c.Colors) > 0 {
for name, hsb := range c.Colors {
if len(hsb) != 3 {
return fmt.Errorf("color '%s' needs three values", name)
}
h, s, b := hsb[0], hsb[1], hsb[2]
if h < 0 || h > 360 {
return fmt.Errorf("color '%s' hue value must be between 0.0-360.0", name)
}
if s < 0 || b > 1 {
return fmt.Errorf("color '%s' saturation value must be between 0.0-1.0", name)
}
if b < 0 || b > 1 {
return fmt.Errorf("color '%s' brightness value must be between 0.0-1.0", name)
}
}
}
return err
}