updated default values for configuration

functions.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"encoding/json"
+	"errors"
 	"flag"
 	"fmt"
 	"io/ioutil"
@@ -25,27 +26,33 @@ func GetConfig(configfile string, weatherconfig *WeatherConfig) error {
 	var wc WeatherConfig
 
 	weatherSection := config.Section("weather")
-	wc.WeatherVersion = weatherSection.Key("version").String()
-	wc.WeatherAppID = weatherSection.Key("appid").String()
-	wc.WeatherCities = weatherSection.Key("cities").Strings(",")
-	wc.WeatherMeasurements = weatherSection.Key("measurements").Strings(",")
-	wc.WeatherTable = weatherSection.Key("table").String()
 
-	influxdbSection := config.Section("influxdb")
+	wc.WeatherVersion = weatherSection.Key("version").MustString("2.5")
-	wc.InfluxHost = influxdbSection.Key("hostname").String()
+	wc.WeatherAppID = weatherSection.Key("appid").MustString("appid")
-	wc.InfluxPort, err = influxdbSection.Key("port").Int()
+	wc.WeatherCities = weatherSection.Key("cities").Strings(",")
-	if err != nil {
+	if len(wc.WeatherCities) < 1 {
+		err := errors.New("No cities provided in config")
 		return err
 	}
-	wc.InfluxUser = influxdbSection.Key("username").String()
+	wc.WeatherMeasurements = weatherSection.Key("measurements").Strings(",")
-	wc.InfluxPass = influxdbSection.Key("password").String()
+	if len(wc.WeatherMeasurements) < 1 {
-	wc.InfluxDB = influxdbSection.Key("database").String()
+		err := errors.New("No measurements provided in config")
+		return err
+	}
+
+	influxdbSection := config.Section("influxdb")
+	wc.InfluxHost = influxdbSection.Key("hostname").MustString("localhost")
+	wc.InfluxPort = influxdbSection.Key("port").MustInt(8086)
+	wc.InfluxUser = influxdbSection.Key("username").MustString("username")
+	wc.InfluxPass = influxdbSection.Key("password").MustString("password")
+	wc.InfluxDB = influxdbSection.Key("database").MustString("me")
 
 	*weatherconfig = wc
 
 	return err
 }
 
+// FetchData fetch data from api
 func FetchData(city string) (Data, error) {
 	var d Data
 

types.go

@@ -6,7 +6,6 @@ type WeatherConfig struct {
 	WeatherAppID        string
 	WeatherCities       []string
 	WeatherMeasurements []string
-	WeatherTable        string
 	InfluxHost          string
 	InfluxPort          int
 	InfluxUser          string