first commit

config.go

@@ -0,0 +1,37 @@
+package main
+
+import (
+	"encoding/json"
+	"os"
+
+	"github.com/pkg/errors"
+)
+
+type Config struct {
+	BotToken string `json:"bot-token"`
+	ChatID   int64  `json:"chat-id"`
+
+	Postgres struct {
+		Host     string `json:"host"`
+		Port     uint32 `json:"port"`
+		User     string `json:"user"`
+		Password string `json:"password"`
+		DBName   string `json:"database"`
+	} `json:"postgres"`
+
+	Http string `json:"http"`
+}
+
+func readConfig(fileName string, c *Config) error {
+	file, err := os.Open(fileName)
+	if err != nil {
+		return errors.Wrapf(err, "Failed to open file [%s]", fileName)
+	}
+
+	err = json.NewDecoder(file).Decode(c)
+	if err != nil {
+		return errors.Wrap(err, "Failed to parse json config")
+	}
+
+	return nil
+}