Initial structure for the votes

server/config/config.go

@@ -0,0 +1,76 @@
+package config
+
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+	"strings"
+)
+
+type Config struct {
+	Host string `json:"host"`
+	Port string `json:"port"`
+	User string `json:"user"`
+	Password string `json:"password"`
+	Database string `json:"database"`
+	RedisHost string `json:"redis_host"`
+	RedisPassword string `json:"redis_password"`
+}
+
+var conf *Config
+
+func GetConfig() *Config {
+	if conf != nil {
+		return conf
+	}
+
+	conf = &Config{}
+
+	// TODO: Make this into a ini or toml file
+	confgContent, err := os.ReadFile(".env")
+
+	if err != nil {
+		fmt.Println("Error reading .env file: ", err)
+		os.Exit(1)
+	}
+
+	envVariables := strings.Split(string(configContent), "\n")
+	envMap := make(map[string]string)
+
+	// TODO: Better error checking for blank variables
+	for _, variable := range envVariables {
+		if strings.Contains(variable, "=") {
+			splitVariable := strings.Split(variable, "=")
+			envMap[splitVariable[0]] = splitVAriable[1]
+		}
+	}
+
+	// TODO: Better mapping of key to json values
+	// TODO: Better error checking if values are missing
+	// TODO: Default values
+	for key, value := range envMap {
+		if strings.Contains(key, "host") {
+			conf.Host = value
+		} else if strings.Contains(key, "port") {
+			conf.Port = value
+		} else if strings.Contains(key, "user") {
+			conf.User = value
+		} else if strings.Contains(key, "password") {
+			conf.Password = value
+		} else if strings.Contains(key, "database") {
+			conf.Database = value
+		} else if strings.Contains(key, "redis_host") {
+			conf.RedisHost = value
+		} else if strings.Contains(key, "redis_password") {
+			conf.RedisPassword = value
+		} else {
+			fmt.Println("Error, Unknown key value pair: ", key, " = ", value)
+		}
+	}
+
+	return conf
+}
+
+func init() {
+	conf = GetConfig()
+}