migration to chi

utils/discord.go

@@ -0,0 +1,31 @@
+package utils
+
+import (
+	"bytes"
+	"encoding/json"
+	"net/http"
+	"time"
+)
+
+type Embed struct {
+	Title       string    `json:"title"`
+	Type        string    `json:"type"`
+	Description string    `json:"description"`
+	URL         string    `json:"url"`
+	Timestamp   time.Time `json:"timestamp"`
+	Color       uint32    `json:"color"`
+}
+
+type WebhookContent struct {
+	Content string  `json:"content"`
+	Embeds  []Embed `json:"embeds"`
+}
+
+func ExecuteWebhook(url string, content WebhookContent) error {
+	body, err := json.Marshal(content)
+	if err != nil {
+		return err
+	}
+	_, err = http.Post(url, "application/json", bytes.NewReader(body))
+	return err
+}

utils/env.go

@@ -0,0 +1,27 @@
+package utils
+
+import (
+	"os"
+)
+
+func GetFrontendURL() string {
+	if IsDevelopment() {
+		return os.Getenv("DEV_FRONTEND_URL")
+	}
+	return os.Getenv("FRONTEND_URL")
+}
+
+func IsDevelopment() bool {
+	return os.Getenv("DEVELOPMENT") == "true"
+}
+func IsDebug() bool {
+	return os.Getenv("DEBUG") == "true"
+}
+
+func Getenv(key, def string) string {
+	value := os.Getenv(key)
+	if value == "" {
+		return def
+	}
+	return value
+}

utils/mail.go

@@ -0,0 +1,46 @@
+package utils
+
+import (
+	"bytes"
+	"fmt"
+	"html/template"
+	"log"
+	"net/smtp"
+	"os"
+)
+
+const (
+	format = "From: %v\r\n" +
+		"To: %v\r\n" +
+		"Subject: %v\r\n" +
+		"Content-Type: text/html; charset=UTF-8\r\n" +
+		"MIME-version: 1.0;\r\n\r\n" +
+		"%v\r\n"
+)
+
+var mailAuth = smtp.PlainAuth("", os.Getenv("MAIL_USERNAME"), os.Getenv("MAIL_PASSWORD"), os.Getenv("MAIL_HOST"))
+
+func SendMail(to string, subject string, body string) {
+	msg := []byte(fmt.Sprintf(format, os.Getenv("MAIL_USERNAME"), to, subject, body))
+	err := smtp.SendMail(os.Getenv("MAIL_HOST")+":587", mailAuth, os.Getenv("MAIL_USERNAME"), []string{to}, msg)
+	if err != nil {
+		log.Println(err)
+	}
+}
+
+func SendMailTemplate(to string, subject string, name string, data interface{}) {
+	wd, err := os.Getwd()
+	if err != nil {
+		log.Println(err)
+	}
+	t, err := template.ParseFiles(wd + `/mail_templates/` + name)
+	if err != nil {
+		log.Println(err)
+	}
+	buf := new(bytes.Buffer)
+	if err := t.Execute(buf, data); err != nil {
+		log.Println(err)
+	}
+	body := buf.String()
+	SendMail(to, subject, body)
+}

utils/utils.go

@@ -0,0 +1,72 @@
+package utils
+
+import (
+	"crypto/md5"
+	"encoding/hex"
+	"reflect"
+	"strings"
+)
+
+func StringOrDefault(a, b string) string {
+	if len(a) == 0 {
+		return b
+	}
+	return a
+}
+
+func GetStructForDatabase(s interface{}) []string {
+	out := make([]string, 0)
+	el := reflect.ValueOf(s).Elem()
+	for i := 0; i < el.NumField(); i++ {
+		t := el.Type().Field(i)
+		tag := t.Tag
+		db := tag.Get("db")
+		if len(db) == 0 {
+			out = append(out, strings.ToLower(t.Name))
+		} else {
+			out = append(out, db)
+		}
+	}
+	return out
+}
+
+func GetNamedForDatabase(s interface{}) []string {
+	out := make([]string, 0)
+	el := reflect.ValueOf(s).Elem()
+	for i := 0; i < el.NumField(); i++ {
+		t := el.Type().Field(i)
+		tag := t.Tag
+		db := tag.Get("db")
+		if len(db) == 0 {
+			out = append(out, ":"+strings.ToLower(t.Name))
+		} else {
+			out = append(out, ":"+db)
+		}
+	}
+	return out
+}
+
+func GetStructAndNamedForDatabase(s interface{}) [][]string {
+	out := make([][]string, 0)
+	el := reflect.ValueOf(s).Elem()
+	for i := 0; i < el.NumField(); i++ {
+		t := el.Type().Field(i)
+		tag := t.Tag
+		ignore := tag.Get("ignore")
+		if ignore != "1" {
+			db := tag.Get("db")
+			if len(db) == 0 {
+				out = append(out, []string{strings.ToLower(t.Name), ":" + strings.ToLower(t.Name)})
+			} else {
+				out = append(out, []string{db, ":" + db})
+			}
+		}
+	}
+	return out
+}
+
+func MD5(s string) string {
+	hash := md5.New()
+	hash.Write([]byte(s))
+	return hex.EncodeToString(hash.Sum(nil))
+}