package main import ( "bytes" "io/ioutil" "os" "text/template" korvike "github.com/Luzifer/korvike/functions" "github.com/pkg/errors" "gopkg.in/yaml.v2" ) type ( configFile struct { BotToken string `yaml:"bot_token"` GuildID string `yaml:"guild_id"` StoreLocation string `yaml:"store_location"` ModuleConfigs []moduleConfig `yaml:"module_configs"` } moduleConfig struct { ID string `yaml:"id"` Type string `yaml:"type"` Attributes moduleAttributeStore `yaml:"attributes"` } ) func newConfigFromFile(filename string) (*configFile, error) { f, err := os.Open(filename) if err != nil { return nil, errors.Wrap(err, "opening config file") } defer f.Close() configContent, err := ioutil.ReadAll(f) if err != nil { return nil, errors.Wrap(err, "reading config file") } tpl, err := template.New("config").Funcs(korvike.GetFunctionMap()).Parse(string(configContent)) if err != nil { return nil, errors.Wrap(err, "parsing config file template") } renderedConfig := new(bytes.Buffer) if err = tpl.Execute(renderedConfig, nil); err != nil { return nil, errors.Wrap(err, "rendering config template") } var ( decoder = yaml.NewDecoder(renderedConfig) tmp configFile ) decoder.SetStrict(true) return &tmp, errors.Wrap(decoder.Decode(&tmp), "decoding config") }