From 22cbc94da6cfa6f20d69c45fb31e1b169ad5c710 Mon Sep 17 00:00:00 2001
From: lauralani <dev@lauka.net>
Date: Fri, 15 Dec 2023 15:42:29 +0100
Subject: [PATCH] add configuration initialization and logic

---
 .gitignore                               |  1 -
 cmd/tlm-login-server/tlm-login-server.go | 12 +++---
 internal/app/db.go                       |  6 +--
 internal/config/initialize.go            | 53 ++++++++++++++++++++++++
 internal/config/vars.go                  |  9 ++++
 internal/models/database.go              |  2 +-
 6 files changed, 71 insertions(+), 12 deletions(-)
 create mode 100644 internal/config/initialize.go
 create mode 100644 internal/config/vars.go

diff --git a/.gitignore b/.gitignore
index c94fcf9..8f2c791 100644
--- a/.gitignore
+++ b/.gitignore
@@ -93,6 +93,5 @@ fabric.properties
 
 .idea/
 testdata/
-config/
 bin/
 *.sqlite
\ No newline at end of file
diff --git a/cmd/tlm-login-server/tlm-login-server.go b/cmd/tlm-login-server/tlm-login-server.go
index aa5b539..06929f3 100644
--- a/cmd/tlm-login-server/tlm-login-server.go
+++ b/cmd/tlm-login-server/tlm-login-server.go
@@ -2,18 +2,16 @@ package app
 
 import (
 	"code.lila.network/lauralani/tlm-login-server/internal/app"
+	"code.lila.network/lauralani/tlm-login-server/internal/config"
 	"fmt"
 )
 
 func Run() error {
 
-	//err := db.InitializeDB()
-	//if err != nil {
-	//	log.Fatalln(err)
-	//}
-
-	//go app.CleanupLogins()
-	//go app.CleanupLoginsCronJob()
+	varserr := config.InitializeConfig()
+	if varserr != nil {
+		return varserr
+	}
 
 	dberr := app.InitializeDB()
 	if dberr != nil {
diff --git a/internal/app/db.go b/internal/app/db.go
index 46df3e0..89cd8af 100644
--- a/internal/app/db.go
+++ b/internal/app/db.go
@@ -1,6 +1,7 @@
 package app
 
 import (
+	"code.lila.network/lauralani/tlm-login-server/internal/config"
 	"code.lila.network/lauralani/tlm-login-server/internal/models"
 	"github.com/glebarez/sqlite"
 	//"gorm.io/driver/sqlite" with CGo
@@ -13,12 +14,11 @@ func InitializeDB() error {
 
 	var err error
 	var db *gorm.DB
-	var dbpath = os.Getenv("TLM_SQLITE_PATH")
 
-	db, err = gorm.Open(sqlite.Open(dbpath), &gorm.Config{})
+	db, err = gorm.Open(sqlite.Open(config.SQLitePath), &gorm.Config{})
 
 	if err != nil {
-		slog.Error("Can't open DB")
+		slog.Error("Can't open DB", "path", config.SQLitePath)
 		os.Exit(1)
 
 	}
diff --git a/internal/config/initialize.go b/internal/config/initialize.go
new file mode 100644
index 0000000..bbdda63
--- /dev/null
+++ b/internal/config/initialize.go
@@ -0,0 +1,53 @@
+package config
+
+import (
+	"errors"
+	"fmt"
+	"os"
+	"strconv"
+)
+
+func InitializeConfig() error {
+	if os.Getenv("TLM_SQLITE_PATH") != "" {
+		SQLitePath = os.Getenv("TLM_SQLITE_PATH")
+	} else {
+		return errors.New("required env var is empty: TLM_SQLITE_PATH")
+	}
+
+	if os.Getenv("TLM_SMTP_FROM") != "" {
+		SMTPFrom = os.Getenv("TLM_SMTP_FROM")
+	} else {
+		return errors.New("required env var is empty: TLM_SMTP_FROM")
+	}
+
+	if os.Getenv("TLM_SMTP_SERVER") != "" {
+		SMTPServer = os.Getenv("TLM_SMTP_SERVER")
+	} else {
+		return errors.New("required env var is empty: TLM_SMTP_SERVER")
+	}
+
+	if os.Getenv("TLM_SMTP_VERIFYSSL") != "" {
+		var err error
+		SMTPVerifySSL, err = strconv.ParseBool(os.Getenv("TLM_SMTP_VERIFYSSL"))
+		if err != nil {
+			return errors.New(fmt.Sprintf("Invalid value for env var TLM_SMTP_VERIFYSSL: %v",
+				os.Getenv("TLM_SMTP_VERIFYSSL")))
+		}
+
+	} else {
+		SMTPVerifySSL = true
+	}
+
+	if os.Getenv("TLM_SMTP_PORT") != "" {
+		var err error
+		SMTPPort, err = strconv.Atoi(os.Getenv("TLM_SMTP_PORT"))
+		if err != nil {
+			return errors.New(fmt.Sprintf("Invalid value for env var TLM_SMTP_PORT: %v",
+				os.Getenv("TLM_SMTP_PORT")))
+		}
+	} else {
+		SMTPPort = 465
+	}
+
+	return nil
+}
diff --git a/internal/config/vars.go b/internal/config/vars.go
new file mode 100644
index 0000000..d4d263e
--- /dev/null
+++ b/internal/config/vars.go
@@ -0,0 +1,9 @@
+package config
+
+var SMTPPort int
+var SMTPHost string
+var SMTPFrom string
+var SMTPServer string
+var SMTPVerifySSL bool
+
+var SQLitePath string
diff --git a/internal/models/database.go b/internal/models/database.go
index 213a34e..1a58f54 100644
--- a/internal/models/database.go
+++ b/internal/models/database.go
@@ -11,6 +11,6 @@ type User struct {
 	gorm.Model
 	Username     string
 	Email        string
-	PasswordHash []byte `gorm:"size:255"`
+	PasswordHash []byte `gorm:"size:60"`
 	LastLoginAt  time.Time
 }