Refactor

Signed-off-by: Oliver Davies <oliver@oliverdavies.uk>

internal/file/main.go

@@ -0,0 +1,39 @@
+package file
+
+import (
+	"fmt"
+	"os"
+
+	"code.oliverdavies.uk/opdavies/cmd-zet/internal/lib"
+)
+
+func EditFile(filePath string) {
+	if _, err := os.Stat(filePath); os.IsNotExist(err) {
+		fmt.Printf("Error: The file for path '%s' was not found\n", filePath)
+		os.Exit(1)
+	}
+
+	editor := os.Getenv("EDITOR")
+
+	err := lib.Exec(editor, filePath)
+
+	if err != nil {
+		fmt.Println(err)
+	}
+}
+
+func ViewFile(filePath string) string {
+	if _, err := os.Stat(filePath); os.IsNotExist(err) {
+		fmt.Printf("Error: The file for path '%s' was not found\n", filePath)
+		os.Exit(1)
+	}
+
+	content, err := os.ReadFile(filePath)
+
+	if err != nil {
+		fmt.Println("Error opening the file:", err)
+		os.Exit(1)
+	}
+
+	return string(content)
+}