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package config
import (
"log/slog"
"maps"
"net/url"
"os"
"searchix/internal/importer"
"time"
"github.com/pelletier/go-toml/v2"
"github.com/pkg/errors"
)
type URL struct {
*url.URL
}
func (u *URL) UnmarshalText(text []byte) (err error) {
u.URL, err = url.Parse(string(text))
if err != nil {
return errors.WithMessage(err, "could not parse URL")
}
return nil
}
type Config struct {
DataPath string `toml:"data-path"`
CSP CSP `toml:"content-security-policy"`
Headers map[string]string
Sources map[string]*importer.Source
}
var defaultConfig = Config{
DataPath: "./data",
CSP: CSP{
DefaultSrc: []string{"'self'"},
},
Headers: map[string]string{
"x-content-type-options": "nosniff",
},
Sources: map[string]*importer.Source{
"nixos": {
Name: "NixOS",
Key: "nixos",
Enable: true,
Type: importer.Channel,
Channel: "nixpkgs",
URL: "https://channels.nixos.org/nixos-unstable/nixexprs.tar.xz",
ImportPath: "nixos/release.nix",
Attribute: "options",
OutputPath: "share/doc/nixos/options.json",
FetchTimeout: 5 * time.Minute,
ImportTimeout: 15 * time.Minute,
Repo: importer.Repository{
Type: "github",
Owner: "NixOS",
Repo: "nixpkgs",
},
},
"darwin": {
Name: "Darwin",
Key: "darwin",
Enable: false,
Type: importer.Channel,
Channel: "darwin",
URL: "https://github.com/LnL7/nix-darwin/archive/master.tar.gz",
ImportPath: "release.nix",
Attribute: "options",
OutputPath: "share/doc/darwin/options.json",
FetchTimeout: 5 * time.Minute,
ImportTimeout: 15 * time.Minute,
Repo: importer.Repository{
Type: "github",
Owner: "LnL7",
Repo: "nix-darwin",
},
},
"home-manager": {
Name: "Home Manager",
Key: "home-manager",
Enable: false,
Channel: "home-manager",
URL: "https://github.com/nix-community/home-manager/archive/master.tar.gz",
Type: importer.Channel,
ImportPath: "default.nix",
Attribute: "docs.json",
OutputPath: "share/doc/home-manager/options.json",
FetchTimeout: 5 * time.Minute,
ImportTimeout: 15 * time.Minute,
Repo: importer.Repository{
Type: "github",
Owner: "nix-community",
Repo: "home-manager",
},
},
},
}
func GetConfig(filename string) (*Config, error) {
config := defaultConfig
if filename != "" {
slog.Debug("reading config", "filename", filename)
f, err := os.Open(filename)
if err != nil {
return nil, errors.Wrap(err, "reading config failed")
}
defer f.Close()
dec := toml.NewDecoder(f)
err = dec.Decode(&config)
if err != nil {
var tomlError *toml.DecodeError
if errors.As(err, &tomlError) {
return nil, errors.WithMessage(err, tomlError.Error())
}
return nil, errors.Wrap(err, "config error")
}
}
maps.DeleteFunc(config.Sources, func(_ string, v *importer.Source) bool {
return !v.Enable
})
return &config, nil
}
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