Initial code commit

back/files.go

@@ -0,0 +1,44 @@
+package back
+
+import (
+	"os"
+	"strings"
+)
+
+// TargetIsFile checks if the targetLocation is a file, directory, or is inaccessible.
+// Requires: failCondition (0 = fail on inaccessible, 1 = fail on inaccessible&file, 2 = fail on inaccessible&directory).
+// Returns: isFile, isAccessible.
+func TargetIsFile(targetLocation string, errorOnFail bool, failCondition uint8) (bool, bool) {
+	targetInfo, err := os.Stat(targetLocation)
+	if err != nil {
+		if errorOnFail {
+			PrintError("Failed to access \""+targetLocation+"\" - Ensure it exists and has the correct permissions", ErrorTargetNotFound, true)
+		}
+		return false, false
+	}
+	if targetInfo.IsDir() {
+		if errorOnFail && failCondition == 2 {
+			PrintError("\""+targetLocation+"\" is a directory", ErrorTargetWrongType, true)
+		}
+		return false, true
+	} else {
+		if errorOnFail && failCondition == 1 {
+			PrintError("\""+targetLocation+"\" is a file", ErrorTargetWrongType, true)
+		}
+		return true, true
+	}
+}
+
+// CreateTempFile creates a temporary file and returns a pointer to it.
+func CreateTempFile() *os.File {
+	tempFile, err := os.CreateTemp("", "*.markdown")
+	if err != nil {
+		PrintError("Failed to create temporary file: "+err.Error(), ErrorWrite, true)
+	}
+	return tempFile
+}
+
+// ExpandPathWithHome, given a path (as a string) containing "~", returns the path with "~" expanded to the user's home directory.
+func ExpandPathWithHome(path string) string {
+	return strings.Replace(path, "~", Home, 1)
+}