From 9c19c8afaee8014179bd856ba8ed6b92d3022df5 Mon Sep 17 00:00:00 2001
From: Yohan Boujon <yo.boujon@gmail.com>
Date: Sat, 3 May 2025 22:39:03 +0200
Subject: [PATCH] Backend: Added config.go that creates a config file and read
 the photo path from it.

---
 backend/.gitignore     |  2 +-
 backend/core/file.go   |  2 +-
 backend/go.mod         |  2 --
 backend/go.sum         |  2 --
 backend/main.go        | 21 +++++++-------
 backend/util/config.go | 62 ++++++++++++++++++++++++++++++++++++++++++
 backend/util/logger.go |  1 +
 backend/util/util.go   | 13 +++++++++
 8 files changed, 89 insertions(+), 16 deletions(-)
 delete mode 100644 backend/go.sum
 create mode 100644 backend/util/config.go

diff --git a/backend/.gitignore b/backend/.gitignore
index 2eea525..0cffcb3 100644
--- a/backend/.gitignore
+++ b/backend/.gitignore
@@ -1 +1 @@
-.env
\ No newline at end of file
+config.json
\ No newline at end of file
diff --git a/backend/core/file.go b/backend/core/file.go
index 0d53d8e..7cd52a8 100644
--- a/backend/core/file.go
+++ b/backend/core/file.go
@@ -17,7 +17,7 @@ type PictureData struct {
 func listFiles(path string, actualdir string, picd []PictureData) []PictureData {
 	entries, err := os.ReadDir(path)
 	if err != nil {
-		util.Logformat(util.WARNING, "Could not read files in '%s'", path)
+		util.Logformat(util.WARNING, "Could not read files in '%s'\n", path)
 		return picd
 	}
 	for _, entry := range entries {
diff --git a/backend/go.mod b/backend/go.mod
index c085586..9be7739 100644
--- a/backend/go.mod
+++ b/backend/go.mod
@@ -1,5 +1,3 @@
 module backend
 
 go 1.24.2
-
-require github.com/joho/godotenv v1.5.1 // indirect
diff --git a/backend/go.sum b/backend/go.sum
deleted file mode 100644
index d61b19e..0000000
--- a/backend/go.sum
+++ /dev/null
@@ -1,2 +0,0 @@
-github.com/joho/godotenv v1.5.1 h1:7eLL/+HRGLY0ldzfGMeQkb7vMd0as4CfYvUVzLqw0N0=
-github.com/joho/godotenv v1.5.1/go.mod h1:f4LDr5Voq0i2e/R5DDNOoa2zzDfwtkZa6DnEwAbqwq4=
diff --git a/backend/main.go b/backend/main.go
index 049e652..71e36c1 100644
--- a/backend/main.go
+++ b/backend/main.go
@@ -4,23 +4,24 @@ import (
 	"backend/core"
 	"backend/server"
 	"backend/util"
-	"os"
-
-	"github.com/joho/godotenv"
+	"strings"
 )
 
 func main() {
-	err := godotenv.Load(".env")
+	cfg, err := util.ReadConfig("config.json")
 	if err != nil {
-		panic("Error loading .env file")
+		if strings.Compare(err.Error(), "open config.json: no such file or directory") == 0 {
+			util.Logformat(util.INFO, "Creating config file...\n")
+			util.CreateConfig()
+			cfg, err = util.ReadConfig("config.json")
+		} else {
+			util.Logformat(util.ERROR, "Could not read configuration file: %s\n", err.Error())
+		}
 	}
 
 	// Reading files
-	util.Logformat(util.INFO, "Reading to folder '%s' (Recursively)...\n", os.Getenv("PHOTO_PATH"))
-	picd := core.ListFiles(os.Getenv("PHOTO_PATH"))
-	if picd == nil {
-		panic("Could not gather any file.")
-	}
+	util.Logformat(util.INFO, "Reading folder '%s'\n", cfg.PhotoPath)
+	core.ListFiles(cfg.PhotoPath)
 
 	// Set Log Level
 	util.SetLevel(util.NOLOG)
diff --git a/backend/util/config.go b/backend/util/config.go
new file mode 100644
index 0000000..7405c3b
--- /dev/null
+++ b/backend/util/config.go
@@ -0,0 +1,62 @@
+package util
+
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+)
+
+type Config struct {
+	PhotoPath string `json:"photopath"`
+}
+
+func ReadConfig(path string) (Config, error) {
+	var cfg Config
+	file, err := os.Open(path)
+	if err != nil {
+		return cfg, err
+	}
+	defer file.Close()
+
+	decoder := json.NewDecoder(file)
+	err = decoder.Decode(&cfg)
+	return cfg, err
+}
+
+func createConfigFile(cfg Config) {
+	data, err := json.MarshalIndent(cfg, "", " ")
+	if err != nil {
+		panic(err)
+	}
+
+	err = os.WriteFile("config.json", data, 0644)
+	if err != nil {
+		panic(err)
+	}
+}
+
+func CreateConfig() {
+	var cfg Config
+	println("┌ Please Configure your backend !\n│")
+
+	// Checking PhotoPath
+	var err error = fmt.Errorf("Path")
+	println("├\uf15b Enter photo album path \033[90m(press Enter for './')\033[0m")
+	for err != nil {
+		photopath := InputString("│> ")
+		if photopath == "" {
+			photopath = "./"
+		}
+		_, err = os.ReadDir(photopath)
+		if err != nil {
+			fmt.Println("│\033[31m\u2a2f " + err.Error() + "\033[0m")
+		} else {
+			fmt.Println("│\033[32m\uf00c Path correct.\033[0m")
+			cfg.PhotoPath = photopath
+		}
+	}
+
+	// Ending configuration
+	println("│\n└ Configuration finished !")
+	createConfigFile(cfg)
+}
diff --git a/backend/util/logger.go b/backend/util/logger.go
index 7493395..24dc0b0 100644
--- a/backend/util/logger.go
+++ b/backend/util/logger.go
@@ -17,6 +17,7 @@ const (
 	RED          colorFormat = "\033[31m"
 	LIGHT_RED    colorFormat = "\033[91m"
 	WHITE        colorFormat = "\033[97m"
+	GREY         colorFormat = "\033[90m"
 	RESET        colorFormat = "\033[0m"
 )
 
diff --git a/backend/util/util.go b/backend/util/util.go
index 488c318..682da95 100644
--- a/backend/util/util.go
+++ b/backend/util/util.go
@@ -1,7 +1,10 @@
 package util
 
 import (
+	"bufio"
+	"fmt"
 	"net/http"
+	"os"
 	"runtime"
 	"strings"
 )
@@ -16,3 +19,13 @@ func HasSubURI(r *http.Request) (bool, string) {
 	url := strings.Split(r.URL.Path, "/")
 	return (len(url[2]) > 0), url[2]
 }
+
+func InputString(print string) string {
+	reader := bufio.NewReader(os.Stdin)
+	fmt.Print(print)
+	input, err := reader.ReadString('\n')
+	if err != nil {
+		panic(err)
+	}
+	return strings.TrimSpace(input)
+}