Added index, improved logic

.env

@@ -0,0 +1,3 @@
+PORT=8080
+UPLOAD_DIR=./uploads
+BASE_URL=http://localhost:8080

.env.example

@@ -1,3 +1,4 @@
 PORT=8080
 UPLOAD_DIR=./uploads
 MAX_FILE_SIZE=10MB
+BASE_URL=http://localhost:8080

.gitignore

@@ -202,3 +202,7 @@ $RECYCLE.BIN/
 *.lnk
 
 # End of https://www.toptal.com/developers/gitignore/api/jetbrains+all,go,macos,windows,linux,git
+
+
+# Application
+uploads/**

endpoints/download.go

@@ -9,14 +9,22 @@ import (
 )
 
 func HandleFileDownload(c *gin.Context) {
+	fileID := c.Param("fileID")
 	filename := c.Param("filename")
+
+	if fileID == "" {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "File ID is required"})
+		return
+	}
+
 	if filename == "" {
 		c.JSON(http.StatusBadRequest, gin.H{"error": "Filename is required"})
 		return
 	}
 
 	uploadsDir := "./uploads"
-	filePath := filepath.Join(uploadsDir, filename)
+	fileDir := filepath.Join(uploadsDir, fileID)
+	filePath := filepath.Join(fileDir, filename)
 
 	if _, err := os.Stat(filePath); os.IsNotExist(err) {
 		c.JSON(http.StatusNotFound, gin.H{"error": "File not found"})
@@ -30,33 +38,3 @@ func HandleFileDownload(c *gin.Context) {
 
 	c.File(filePath)
 }
-
-func ListFiles(c *gin.Context) {
-	uploadsDir := "./uploads"
-	
-	files, err := os.ReadDir(uploadsDir)
-	if err != nil {
-		c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to read uploads directory"})
-		return
-	}
-
-	var fileList []gin.H
-	for _, file := range files {
-		if !file.IsDir() {
-			info, err := file.Info()
-			if err != nil {
-				continue
-			}
-			fileList = append(fileList, gin.H{
-				"filename": file.Name(),
-				"size":     info.Size(),
-				"modified": info.ModTime(),
-			})
-		}
-	}
-
-	c.JSON(http.StatusOK, gin.H{
-		"files": fileList,
-		"count": len(fileList),
-	})
-}

endpoints/index.go

@@ -0,0 +1,19 @@
+package endpoints
+
+import (
+	"net/http"
+	"os"
+
+	"github.com/gin-gonic/gin"
+)
+
+func HandleIndex(c *gin.Context) {
+	baseURL := os.Getenv("BASE_URL")
+	if baseURL == "" {
+		baseURL = "http://localhost:8080"
+	}
+	
+	c.HTML(http.StatusOK, "index.html", gin.H{
+		"BaseURL": baseURL,
+	})
+}

endpoints/upload.go

@@ -1,7 +1,10 @@
 package endpoints
 
 import (
+	"crypto/rand"
+	"encoding/hex"
 	"io"
+	"mime/multipart"
 	"net/http"
 	"os"
 	"path/filepath"
@@ -9,27 +12,52 @@ import (
 	"github.com/gin-gonic/gin"
 )
 
+func generateID() (string, error) {
+	bytes := make([]byte, 16)
+	if _, err := rand.Read(bytes); err != nil {
+		return "", err
+	}
+	return hex.EncodeToString(bytes), nil
+}
+
 func HandleFileUpload(c *gin.Context) {
 	file, header, err := c.Request.FormFile("file")
 	if err != nil {
 		c.JSON(http.StatusBadRequest, gin.H{"error": "No file provided"})
 		return
 	}
-	defer file.Close()
+	defer func(file multipart.File) {
+		err := file.Close()
+		if err != nil {
 
-	uploadsDir := "./uploads"
-	if err := os.MkdirAll(uploadsDir, 0755); err != nil {
-		c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to create uploads directory"})
+		}
+	}(file)
+
+	fileID, err := generateID()
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to generate file ID"})
 		return
 	}
 
-	dst := filepath.Join(uploadsDir, header.Filename)
+	uploadsDir := "./uploads"
+	fileDir := filepath.Join(uploadsDir, fileID)
+	if err := os.MkdirAll(fileDir, 0755); err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to create file directory"})
+		return
+	}
+
+	dst := filepath.Join(fileDir, header.Filename)
 	out, err := os.Create(dst)
 	if err != nil {
 		c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to create file"})
 		return
 	}
-	defer out.Close()
+	defer func(out *os.File) {
+		err := out.Close()
+		if err != nil {
+
+		}
+	}(out)
 
 	_, err = io.Copy(out, file)
 	if err != nil {
@@ -37,9 +65,18 @@ func HandleFileUpload(c *gin.Context) {
 		return
 	}
 
+	baseURL := os.Getenv("BASE_URL")
+	if baseURL == "" {
+		baseURL = "http://localhost:8080"
+	}
+	
+	fileURL := baseURL + "/files/" + fileID + "/" + header.Filename
+
 	c.JSON(http.StatusOK, gin.H{
 		"message":  "File uploaded successfully",
+		"id":       fileID,
 		"filename": header.Filename,
 		"size":     header.Size,
+		"url":      fileURL,
 	})
 }

main.go

@@ -10,10 +10,12 @@ import (
 
 func main() {
 	r := gin.Default()
+	r.LoadHTMLGlob("views/*")
 
+	r.GET("/", endpoints.HandleIndex)
 	r.POST("/upload", endpoints.HandleFileUpload)
-	r.GET("/download/:filename", endpoints.HandleFileDownload)
-	r.GET("/files", endpoints.ListFiles)
+	r.GET("/uploads/:fileID/:filename", endpoints.HandleFileDownload)
+	
 	r.GET("/health", func(c *gin.Context) {
 		c.JSON(200, gin.H{"status": "ok"})
 	})

views/index.html

@@ -0,0 +1,72 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>FITRA - File transfer API</title>
+    <style>
+        body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; max-width: 800px; margin: 0 auto; padding: 20px; line-height: 1.6; }
+        h1, h2 { color: #333; }
+        code { background: #f4f4f4; padding: 2px 6px; border-radius: 3px; font-family: 'Monaco', 'Consolas', monospace; }
+        pre { background: #f4f4f4; padding: 15px; border-radius: 5px; overflow-x: auto; }
+        .endpoint { margin: 20px 0; padding: 15px; border-left: 4px solid #007acc; background: #f9f9f9; }
+        .method { display: inline-block; padding: 3px 8px; border-radius: 3px; color: white; font-weight: bold; margin-right: 10px; }
+        .get { background: #61affe; }
+        .post { background: #49cc90; }
+        .step { margin: 10px 0; padding: 10px; background: #fff; border: 1px solid #ddd; border-radius: 3px; }
+    </style>
+</head>
+<body>
+    <h1>🚀 FITRA - File transfer API</h1>
+    <p><strong>Version:</strong> 1.0.0</p>
+    <p>Simple file upload and download service for developers using HTTP requests in CLI.</p>
+    
+    <h2>📋 API endpoints</h2>
+    
+    <div class="endpoint">
+        <h3><span class="method post">POST</span>/upload</h3>
+        <p><strong>Description:</strong> Upload a file</p>
+        <p><strong>cURL Example:</strong></p>
+        <pre><code>curl -X POST -F "file=@/path/to/your/file.txt" {{.BaseURL}}/upload</code></pre>
+    </div>
+    
+    <div class="endpoint">
+        <h3><span class="method get">GET</span>/uploads/{fileID}/{filename}</h3>
+        <p><strong>Description:</strong> Download a file using the ID and filename from upload response</p>
+        <p><strong>cURL Example:</strong></p>
+        <pre><code>curl -O {{.BaseURL}}/uploads/{fileID}/{filename}</code></pre>
+    </div>
+    
+    <div class="endpoint">
+        <h3><span class="method get">GET</span>/health</h3>
+        <p><strong>Description:</strong> Check service health</p>
+        <p><strong>cURL Example:</strong></p>
+        <pre><code>curl {{.BaseURL}}/health</code></pre>
+    </div>
+    
+    <h2>🔄 Usage</h2>
+    <div class="step">
+        <strong>Step 1:</strong> Upload a file using POST /upload with form-data 'file' parameter
+    </div>
+    <div class="step">
+        <strong>Step 2:</strong> Use the returned 'id' and 'filename' to construct download URL
+    </div>
+    <div class="step">
+        <strong>Step 3:</strong> Download the file using GET /uploads/{id}/{filename}
+    </div>
+    
+    <h2>💡 Examples</h2>
+    <pre><code># 1. Upload a file
+curl -X POST -F "file=@myfile.txt" {{.BaseURL}}/upload
+
+# Response will include:
+# {
+#   "id": "abc123...",
+#   "filename": "myfile.txt",
+#   "url": "{{.BaseURL}}/uploads/abc123.../myfile.txt"
+# }
+
+# 2. Download the file
+curl -O {{.BaseURL}}/uploads/abc123.../myfile.txt</code></pre>
+</body>
+</html>