template / files / internal / core / file.go
file.go
| 1 | package core |
| 2 | |
| 3 | import ( |
| 4 | "bufio" |
| 5 | "fmt" |
| 6 | "os" |
| 7 | |
| 8 | log "github.com/sirupsen/logrus" |
| 9 | ) |
| 10 | |
| 11 | func createFile( |
| 12 | prePatternData PrePatternData, |
| 13 | fileTemplate ParameterizedText, |
| 14 | fullPath string, |
| 15 | pipeInputScanner *bufio.Scanner) error { |
| 16 | |
| 17 | useTemplate := fileTemplate != "" |
| 18 | useInputPipe := pipeInputScanner != nil |
| 19 | |
| 20 | if useInputPipe { |
| 21 | log.WithFields(log.Fields{"fullPath": fullPath}).Debug("Creating file from input pipe content", fullPath) |
| 22 | |
| 23 | file, err := monkey.OSCreate(fullPath) |
| 24 | if err != nil { |
| 25 | return fmt.Errorf("error creating file: %v", err) |
| 26 | } |
| 27 | defer func() { _ = file.Close() }() |
| 28 | |
| 29 | writer := bufio.NewWriter(file) |
| 30 | for pipeInputScanner.Scan() { |
| 31 | line := pipeInputScanner.Text() |
| 32 | _, err := writer.WriteString(line + "\n") |
| 33 | if err != nil { |
| 34 | return fmt.Errorf("error writing file: %v", err) |
| 35 | } |
| 36 | } |
| 37 | err = writer.Flush() |
| 38 | if err != nil { |
| 39 | return fmt.Errorf("error flushing file: %v", err) |
| 40 | } |
| 41 | } else if useTemplate { |
| 42 | postPatternData := createPostPatternData(fullPath, prePatternData) |
| 43 | log.WithFields(log.Fields{"fullPath": fullPath}).Debug("Creating file from template string\n", fullPath) |
| 44 | |
| 45 | templateString, err := parseAndExecTemplate(newTemplate(), fileTemplate, postPatternData) |
| 46 | if err != nil { |
| 47 | return fmt.Errorf("error creating templated file: %v", err) |
| 48 | } |
| 49 | |
| 50 | err = monkey.OSWriteFile(fullPath, []byte(templateString), os.ModePerm) |
| 51 | if err != nil { |
| 52 | return fmt.Errorf("error writing file: %v", err) |
| 53 | } |
| 54 | } else { |
| 55 | log.WithFields(log.Fields{"fullPath": fullPath}).Debug("Creating empty file", fullPath) |
| 56 | err := monkey.OSWriteFile(fullPath, []byte{}, os.ModePerm) |
| 57 | if err != nil { |
| 58 | return fmt.Errorf("error writing file: %v", err) |
| 59 | } |
| 60 | } |
| 61 | return nil |
| 62 | } |
| 63 | |
| 64 | func readFile( |
| 65 | filePath string, |
| 66 | ) (string, error) { |
| 67 | file, err := os.ReadFile(filePath) |
| 68 | if err != nil { |
| 69 | return "", fmt.Errorf("error reading file %s: %w", filePath, err) |
| 70 | } |
| 71 | return string(file), nil |
| 72 | } |
| 73 |