From e47db359db8c36538bbcad486bc77200aa390ede Mon Sep 17 00:00:00 2001
From: Yohan Boujon <yo.boujon@gmail.com>
Date: Thu, 1 May 2025 12:11:55 +0200
Subject: [PATCH] Added basic server from
 ['yoboujon/automatic-management'](https://github.com/yoboujon/automatic-management)

---
 backend/.gitignore         |  1 +
 backend/main.go            | 13 +++++++--
 backend/server/pictures.go | 10 +++++++
 backend/server/server.go   | 34 ++++++++++++++++++++++
 backend/util/logger.go     | 59 ++++++++++++++++++++++++++++++++++++++
 backend/util/util.go       | 11 +++++++
 6 files changed, 125 insertions(+), 3 deletions(-)
 create mode 100644 backend/.gitignore
 create mode 100644 backend/server/pictures.go
 create mode 100644 backend/server/server.go
 create mode 100644 backend/util/logger.go
 create mode 100644 backend/util/util.go

diff --git a/backend/.gitignore b/backend/.gitignore
new file mode 100644
index 0000000..2eea525
--- /dev/null
+++ b/backend/.gitignore
@@ -0,0 +1 @@
+.env
\ No newline at end of file
diff --git a/backend/main.go b/backend/main.go
index d9e8b4e..f851159 100644
--- a/backend/main.go
+++ b/backend/main.go
@@ -1,7 +1,14 @@
 package main
 
-import "fmt"
+import (
+	"backend/server"
+	"backend/util"
+)
 
 func main() {
-    fmt.Println("Hello, World!")
-}
\ No newline at end of file
+	// Checking arguments
+	util.SetLevel(util.NOLOG)
+
+	// Rest API start on port
+	server.Start(8085)
+}
diff --git a/backend/server/pictures.go b/backend/server/pictures.go
new file mode 100644
index 0000000..6eff88a
--- /dev/null
+++ b/backend/server/pictures.go
@@ -0,0 +1,10 @@
+package server
+
+import (
+	"backend/util"
+	"net/http"
+)
+
+func handlePictureRequest(w http.ResponseWriter, r *http.Request) {
+	util.Logformat(util.INFO, "Calling 'handlePictureRequest' with '%s'\n", r.Method)
+}
diff --git a/backend/server/server.go b/backend/server/server.go
new file mode 100644
index 0000000..c8c1f1c
--- /dev/null
+++ b/backend/server/server.go
@@ -0,0 +1,34 @@
+package server
+
+import (
+	"backend/util"
+	"net/http"
+	"strconv"
+)
+
+func Start(port int64) {
+	// Creating endpoints
+	http.HandleFunc("/hello/", wrapHeader(handlePictureRequest))
+
+	util.Logformat(util.INFO, "Starting server on port %d...\n", port)
+	if err := http.ListenAndServe(":"+strconv.FormatInt(port, 10), nil); err != nil {
+		util.Logformat(util.ERROR, "Could not start server (%s)\n", err.Error())
+		panic(err)
+	}
+}
+
+// Not sure about that, might change it later... (added by Lemonochrme on 'yoboujon/automatic-management')
+func wrapHeader(next http.HandlerFunc) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Access-Control-Allow-Origin", "*")
+		w.Header().Set("Access-Control-Allow-Methods", "GET")
+		w.Header().Set("Access-Control-Allow-Headers", "Content-Type, Authorization")
+
+		if r.Method == http.MethodOptions {
+			w.WriteHeader(http.StatusOK)
+			return
+		}
+
+		next(w, r)
+	}
+}
diff --git a/backend/util/logger.go b/backend/util/logger.go
new file mode 100644
index 0000000..0cb096c
--- /dev/null
+++ b/backend/util/logger.go
@@ -0,0 +1,59 @@
+package util
+
+import (
+	"fmt"
+	"time"
+)
+
+type colorFormat string
+type LogLevel int
+
+const (
+	BLUE      colorFormat = "\033[34m"
+	GREEN     colorFormat = "\033[32m"
+	YELLOW    colorFormat = "\033[33m"
+	RED       colorFormat = "\033[31m"
+	LIGHT_RED colorFormat = "\033[91m"
+	WHITE     colorFormat = "\033[97m"
+	RESET     colorFormat = "\033[0m"
+)
+
+const (
+	NOLOG LogLevel = iota
+	INFO
+	CORRECT
+	WARNING
+	ERROR
+)
+
+var colorPrint = map[LogLevel]colorFormat{
+	NOLOG:   "",
+	INFO:    BLUE + "[INFO]" + RESET,
+	CORRECT: GREEN,
+	WARNING: YELLOW + "[WARN]",
+	ERROR:   RED + "[ERR.]" + LIGHT_RED,
+}
+
+var minimumlog = NOLOG
+
+func Logformat(level LogLevel, format string, args ...interface{}) {
+	if level < minimumlog {
+		return
+	}
+
+	header := colorPrint[level]
+	message := fmt.Sprintf(format, args...)
+	currentTime := time.Now()
+	time := fmt.Sprintf("[%02d/%02d/%d %02d:%02d:%02d]", currentTime.Day(), currentTime.Month(), currentTime.Year(), currentTime.Hour(), currentTime.Minute(), currentTime.Second())
+	if level == NOLOG {
+		fmt.Printf("%s\t\t%s", time, message)
+	} else if level != INFO {
+		fmt.Printf("%s%s\t%s%s", header, time, message, RESET)
+	} else {
+		fmt.Printf("%s%s\t%s", header, time, message)
+	}
+}
+
+func SetLevel(level LogLevel) {
+	minimumlog = level
+}
diff --git a/backend/util/util.go b/backend/util/util.go
new file mode 100644
index 0000000..0d98a0f
--- /dev/null
+++ b/backend/util/util.go
@@ -0,0 +1,11 @@
+package util
+
+import (
+	"net/http"
+	"strings"
+)
+
+func HasSubURI(r *http.Request) (bool, string) {
+	url := strings.Split(r.URL.Path, "/")
+	return (len(url[2]) > 0), url[2]
+}