feat: load configs from config.env file

.gitignore

@@ -19,4 +19,7 @@ go.work
 go.work.sum
 
 # Vscode workspace configs
-/.vscode
+/.vscode
+
+# Local environment configs
+config.env

README.md

@@ -31,6 +31,8 @@ id - Get user id or forwarded channel id.
 
 ## Variables
 
+Variables can also be loaded by creating a ```config.env``` file at the root of the repository. See [sample.config.env](/sample.config.env) to see the format to use.
+
 - `BOT_TOKEN`  : Optional. On vercel, a list of bot tokens allowed to connect to the app or leave empty allow anyone to connect. On servers, a single bot token.
 - `ADMINS` : Optional. List of telegram IDs of users allowed to create links with the bot, seperated by spaces.
 - `FSUB` : Optional. List of IDs of channels the user must join to get content, seperated by spaces.

config/config.go

@@ -9,6 +9,8 @@ import (
 	"os"
 	"strconv"
 	"strings"
+
+	"github.com/joho/godotenv"
 )
 
 const (
@@ -17,15 +19,30 @@ const (
 )
 
 var (
-	DBChannel           = int64Environ("DB_CHANNEL")                                                  // id of database channel
-	Admins              = int64ListEnviron("ADMINS")                                                  // admins list
-	FsubChannels        = int64ListEnviron("FSUB")                                                    // list of force subscribe channels
-	BatchSizeLimit      = int64Environ("BATCH_SIZE_LIMIT", defaultBatchLimit)                         // maximum messages allowed in a batch
-	DisableNotification = strings.ToLower(os.Getenv("DISABLE_NOTIFICATION")) == stringTrue            // messages will be sent without a notification
-	ProtectContent      = strings.ToLower(os.Getenv("PUBLIC_CONTENT")) == stringTrue                  // disable forwarding content from bot
-	AllowPublic         = strings.ToLower(os.Getenv("ALLOW_PUBLIC")) == stringTrue || len(Admins) < 1 // indicates wether anyone can use the bot
+	DBChannel           int64   // id of database channel
+	Admins              []int64 // admins list
+	FsubChannels        []int64 // list of force subscribe channels
+	BatchSizeLimit      int64   // maximum messages allowed in a batch
+	DisableNotification bool    // messages will be sent without a notification
+	ProtectContent      bool    // disable forwarding content from bot
+	AllowPublic         bool    // indicates wether anyone can use the bot
 )
 
+func init() {
+	err := godotenv.Load("config.env")
+	if err == nil {
+		fmt.Println("configs loaded from config.env file")
+	}
+
+	DBChannel = int64Environ("DB_CHANNEL")
+	Admins = int64ListEnviron("ADMINS")
+	FsubChannels = int64ListEnviron("FSUB")
+	BatchSizeLimit = int64Environ("BATCH_SIZE_LIMIT", defaultBatchLimit)
+	DisableNotification = strings.ToLower(os.Getenv("DISABLE_NOTIFICATION")) == stringTrue
+	ProtectContent = strings.ToLower(os.Getenv("PUBLIC_CONTENT")) == stringTrue
+	AllowPublic = strings.ToLower(os.Getenv("ALLOW_PUBLIC")) == stringTrue || len(Admins) < 1
+}
+
 // int64Environ gets a environment variable as an int64.
 func int64Environ(envVar string, defaultVal ...int64) int64 {
 	s := os.Getenv(envVar)

go.mod

@@ -3,3 +3,5 @@ module github.com/Jisin0/TGMessageStore
 go 1.22.1
 
 require github.com/PaulSonOfLars/gotgbot/v2 v2.0.0-rc.28
+
+require github.com/joho/godotenv v1.5.1

go.sum

@@ -1,2 +1,4 @@
 github.com/PaulSonOfLars/gotgbot/v2 v2.0.0-rc.28 h1:3EidAXUUuDBwaRX5881fmpGGv2WPnW9oHwRMlvdQiwU=
 github.com/PaulSonOfLars/gotgbot/v2 v2.0.0-rc.28/go.mod h1:kL1v4iIjlalwm3gCYGvF4NLa3hs+aKEfRkNJvj4aoDU=
+github.com/joho/godotenv v1.5.1 h1:7eLL/+HRGLY0ldzfGMeQkb7vMd0as4CfYvUVzLqw0N0=
+github.com/joho/godotenv v1.5.1/go.mod h1:f4LDr5Voq0i2e/R5DDNOoa2zzDfwtkZa6DnEwAbqwq4=

sample.config.env

@@ -0,0 +1,3 @@
+BOT_TOKEN = 123456789:AATiuhBBy6oIL9r54yYLs7CSn
+FSUB = -1002235842999 -1001898719761
+PROTECT_CONTENT = true