rename "utility" config to "smarthub" config

Author: tedpearson

config.example.yaml

@@ -1,5 +1,5 @@
 extract_days: 10
-utility:
+smarthub:
   api_url: https://novec.smarthub.coop
   username: johndoe@gmail.com
   password: smarthub_password

internal/app/api.go

@@ -18,7 +18,7 @@ type OAuth struct {
 }
 
 // Auth authenticates with the api and returns a json web token for use with the api.
-func Auth(config UtilityConfig) (string, error) {
+func Auth(config SmartHubConfig) (string, error) {
 	client := &http.Client{}
 	formData := url.Values{}
 	formData.Set("userId", config.Username)
@@ -63,7 +63,7 @@ type PollRequest struct {
 // FetchData calls the api to get data for a particular time period.
 // Note that the api may return a PENDING status or actual data.
 // However, parsing of the response is handled in ParseReader.
-func FetchData(start, end time.Time, config UtilityConfig, jwt string) (io.ReadCloser, error) {
+func FetchData(start, end time.Time, config SmartHubConfig, jwt string) (io.ReadCloser, error) {
 	client := http.Client{}
 	pollRequest := PollRequest{
 		TimeFrame:       "HOURLY",

internal/app/main.go

@@ -19,10 +19,10 @@ type InfluxConfig struct {
 	Insecure  bool   `yaml:"insecure"`
 }
 
-// UtilityConfig is the config for SmartHub.
+// SmartHubConfig is the config for SmartHub.
 // Account is your account number, available on your bill.
 // ServiceLocation appears to be an internal number, and must be retrieved from your browser. See README.md.
-type UtilityConfig struct {
+type SmartHubConfig struct {
 	ApiUrl          string `yaml:"api_url"`
 	Username        string `yaml:"username"`
 	Password        string `yaml:"password"`
@@ -32,9 +32,9 @@ type UtilityConfig struct {
 
 // Config is the config format for electric-usage-downloader
 type Config struct {
-	ExtractDays int           `yaml:"extract_days"`
-	Utility     UtilityConfig `yaml:"utility"`
-	InfluxDB    InfluxConfig  `yaml:"influxdb"`
+	ExtractDays int            `yaml:"extract_days"`
+	SmartHub    SmartHubConfig `yaml:"smarthub"`
+	InfluxDB    InfluxConfig   `yaml:"influxdb"`
 }
 
 // Main runs the program.
@@ -87,16 +87,16 @@ func Main() error {
 	fmt.Printf("Start date: %s\n", startDate)
 	fmt.Printf("End date: %s\n", endDate)
 
-	jwt, err := Auth(config.Utility)
 	fmt.Println("Authenticating with SmartHub API...")
+	jwt, err := Auth(config.SmartHub)
 	if err != nil {
 		return err
 	}
 
 	fmt.Println("Fetching data from SmartHub API...")
 	usage, err := retry.DoWithData(
 		func() ([]ElectricUsage, error) {
-			r, err := FetchData(startDate, endDate, config.Utility, jwt)
+			r, err := FetchData(startDate, endDate, config.SmartHub, jwt)
 			if err != nil {
 				return nil, err
 			}