goroutine

main.go

@@ -89,6 +89,45 @@ func main() {
 		log.Fatal(err)
 	}
 
+	for _, e := range entries {
+		go func() {
+			new := e.Name()
+			newImg := strings.TrimSuffix(new, filepath.Ext(new)) + ".png"
+		
+			if filepath.Ext(new) != ".pdf" {
+				return
+			}
+
+			dir, _ := filepath.Abs(*directory)
+
+			cmd := exec.Command("./tncmd.sh", filepath.Join(dir, e.Name()))
+
+			fmt.Println(cmd)
+
+			if err := cmd.Run(); err != nil {
+				log.Println(err)
+			} else {
+				fmt.Println("Created thumbnail for: " + new)
+				http.HandleFunc("/" + newImg, func(w http.ResponseWriter, r *http.Request) {
+					w.Header().Set("Content-Type", "img/png")
+
+					file, err := os.Open(*directory +"/"+ newImg)
+					if err != nil {
+						http.Error(w, "File not found.", http.StatusNotFound)
+						return	
+					}
+					defer file.Close()
+					
+					_, err = io.Copy(w, file)
+					if err != nil {
+						http.Error(w, "Error sending file.", http.StatusInternalServerError)
+						return
+					}
+				})
+			}
+		}()
+	}
+
 	for _, e := range entries {
 		new := e.Name()
 		newImg := strings.TrimSuffix(new, filepath.Ext(new)) + ".png"
@@ -97,34 +136,6 @@ func main() {
 			continue
 		}
 
-		dir, _ := filepath.Abs(*directory)
-
-		cmd := exec.Command("./tncmd.sh", filepath.Join(dir, e.Name()))
-
-		fmt.Println(cmd)
-
-		if err := cmd.Run(); err != nil {
-			log.Println(err)
-		} else {
-			fmt.Println("Created thumbnail for: " + new)
-			http.HandleFunc("/" + newImg, func(w http.ResponseWriter, r *http.Request) {
-				w.Header().Set("Content-Type", "img/png")
-
-				file, err := os.Open(*directory +"/"+ newImg)
-				if err != nil {
-					http.Error(w, "File not found.", http.StatusNotFound)
-					return	
-				}
-				defer file.Close()
-				
-				_, err = io.Copy(w, file)
-				if err != nil {
-					http.Error(w, "Error sending file.", http.StatusInternalServerError)
-					return
-				}
-			})
-		}
-
 		//if new == "style.css" { continue }		
 
 		http.HandleFunc("/" + url.QueryEscape(new), func(w http.ResponseWriter, r *http.Request) {

styles.css

@@ -1,19 +1,20 @@
 .grid-container {
 	font-family: Arial, sans-serif;
-	font-size: 4vh;
+	//font-size: 4vh;
 	//width: 100%;
 	display: grid;
-	grid-template-columns: repeat(100, 1fr);
-	grid-auto-rows: minmax(100px, auto);
+	grid-template-columns: repeat(3, 1fr);
+	grid-auto-rows: minmax(100%, auto);
 	margin-left: 30%;
+	margin-right: 30%;
 }
 
 .grid-item {
-	padding: 10px;
+	padding: 5px;
 	background: green;
-	border-radius: 20px;
+	border-radius: 0px;
 	border: 1px solid white;
-	text-align: left;
+	text-align: center;
 }
 
 a {