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|
package config
import (
"fmt"
"os"
"regexp"
"time"
)
type Config struct {
Domain string
Handlers []Handler
DbPath string
}
type Handler struct {
Name string
AvatarUrl string
AvatarContentType string
Exec string
Summary string
DedupWindow time.Duration
Interval time.Duration
}
func (c *Config) Validate() error {
if c.Domain == "" {
return fmt.Errorf("domain cant be blank")
}
if c.DbPath == "" {
return fmt.Errorf("dbPath cant be blank")
}
// TODO do we care?
if len(c.Handlers) == 0 {
return fmt.Errorf("no [[handlers]] defined, nothing to do")
}
r, _ := regexp.Compile("[A-Za-z0-9]+")
for _, handler := range c.Handlers {
if handler.Name == "" {
return fmt.Errorf("handler name cant be blank")
}
matches := r.FindAllString(handler.Name, -1)
if len(matches) != 1 {
return fmt.Errorf("handler names can only be [A-Za-z0-9]")
}
if handler.Interval == 0 {
return fmt.Errorf("handler %s needs interval", handler.Name)
}
if handler.Exec == "" {
return fmt.Errorf("handler %s exec cant be blank", handler.Name)
}
if _, err := os.Stat(handler.Exec); err != nil {
return fmt.Errorf("handler %s exec %s does not exist or is not readable", handler.Name, handler.Exec)
}
}
return nil
}
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