now using latest version of unoconv, allowing to specify paper size and orientation + updating go client (#24)

pkg/markdown.go

@@ -9,73 +9,102 @@ import (
 // MarkdownRequest facilitates Markdown conversion
 // with the Gotenberg API.
 type MarkdownRequest struct {
-	IndexFilePath     string
-	MarkdownFilePaths []string
-	AssetFilePaths    []string
-	Options           *MarkdownOptions
+	indexFilePath     string
+	markdownFilePaths []string
+	headerFilePath    string
+	footerFilePath    string
+	assetFilePaths    []string
+	values            map[string]string
 }
 
-// MarkdownOptions gathers all options
-// for Markdown conversion with the Gotenberg API.
-type MarkdownOptions struct {
-	WebHookURL     string
-	HeaderFilePath string
-	FooterFilePath string
-	PaperSize      [2]float64
-	PaperMargins   [4]float64
-	Landscape      bool
-}
-
-func (markdown *MarkdownRequest) validate() error {
-	if !fileExists(markdown.IndexFilePath) {
-		return fmt.Errorf("%s: index file does not exist", markdown.IndexFilePath)
+// NewMarkdownRequest create MarkdownRequest.
+func NewMarkdownRequest(indexFilePath string, markdownFilePaths []string) (*MarkdownRequest, error) {
+	if !fileExists(indexFilePath) {
+		return nil, fmt.Errorf("%s: index file does not exist", indexFilePath)
 	}
-	if markdown.Options.HeaderFilePath != "" && !fileExists(markdown.Options.HeaderFilePath) {
-		return fmt.Errorf("%s: header file does not exist", markdown.Options.HeaderFilePath)
-	}
-	if markdown.Options.FooterFilePath != "" && !fileExists(markdown.Options.FooterFilePath) {
-		return fmt.Errorf("%s: footer file does not exist", markdown.Options.FooterFilePath)
-	}
-	for _, fpath := range markdown.MarkdownFilePaths {
+	for _, fpath := range markdownFilePaths {
 		if !fileExists(fpath) {
-			return fmt.Errorf("%s: markdown file does not exist", fpath)
+			return nil, fmt.Errorf("%s: markdown file does not exist", fpath)
 		}
 	}
+	return &MarkdownRequest{
+		indexFilePath:     indexFilePath,
+		markdownFilePaths: markdownFilePaths,
+		values:            make(map[string]string),
+	}, nil
+}
+
+// SetWebhookURL sets webhookURL form field.
+func (markdown *MarkdownRequest) SetWebhookURL(webhookURL string) {
+	markdown.values[webhookURL] = webhookURL
+}
+
+// SetHeader sets header form file.
+func (markdown *MarkdownRequest) SetHeader(fpath string) error {
+	if !fileExists(fpath) {
+		return fmt.Errorf("%s: header file does not exist", fpath)
+	}
+	markdown.headerFilePath = fpath
 	return nil
 }
 
+// SetFooter sets footer form file.
+func (markdown *MarkdownRequest) SetFooter(fpath string) error {
+	if !fileExists(fpath) {
+		return fmt.Errorf("%s: footer file does not exist", fpath)
+	}
+	markdown.footerFilePath = fpath
+	return nil
+}
+
+// SetAssets sets assets form files.
+func (markdown *MarkdownRequest) SetAssets(fpaths []string) error {
+	for _, fpath := range fpaths {
+		if !fileExists(fpath) {
+			return fmt.Errorf("%s: file does not exist", fpath)
+		}
+	}
+	markdown.assetFilePaths = fpaths
+	return nil
+}
+
+// SetPaperSize sets paperWidth and paperHeight form fields.
+func (markdown *MarkdownRequest) SetPaperSize(size [2]float64) {
+	markdown.values[paperWidth] = fmt.Sprintf("%f", size[0])
+	markdown.values[paperHeight] = fmt.Sprintf("%f", size[1])
+}
+
+// SetMargins sets marginTop, marginBottom,
+// marginLeft and marginRight form fields.
+func (markdown *MarkdownRequest) SetMargins(margins [4]float64) {
+	markdown.values[marginTop] = fmt.Sprintf("%f", margins[0])
+	markdown.values[marginBottom] = fmt.Sprintf("%f", margins[1])
+	markdown.values[marginLeft] = fmt.Sprintf("%f", margins[2])
+	markdown.values[marginRight] = fmt.Sprintf("%f", margins[3])
+}
+
+// SetLandscape sets landscape form field.
+func (markdown *MarkdownRequest) SetLandscape(isLandscape bool) {
+	markdown.values[landscape] = strconv.FormatBool(isLandscape)
+}
+
 func (markdown *MarkdownRequest) getPostURL() string {
 	return "/convert/markdown"
 }
 
 func (markdown *MarkdownRequest) getFormValues() map[string]string {
-	if markdown.Options == nil {
-		markdown.Options = &MarkdownOptions{}
-	}
-	values := make(map[string]string)
-	values[webhookURL] = markdown.Options.WebHookURL
-	values[paperWidth] = fmt.Sprintf("%f", markdown.Options.PaperSize[0])
-	values[paperHeight] = fmt.Sprintf("%f", markdown.Options.PaperSize[1])
-	values[marginTop] = fmt.Sprintf("%f", markdown.Options.PaperMargins[0])
-	values[marginBottom] = fmt.Sprintf("%f", markdown.Options.PaperMargins[1])
-	values[marginLeft] = fmt.Sprintf("%f", markdown.Options.PaperMargins[2])
-	values[marginRight] = fmt.Sprintf("%f", markdown.Options.PaperMargins[3])
-	values[landscape] = strconv.FormatBool(markdown.Options.Landscape)
-	return values
+	return markdown.values
 }
 
 func (markdown *MarkdownRequest) getFormFiles() map[string]string {
-	if markdown.Options == nil {
-		markdown.Options = &MarkdownOptions{}
-	}
 	files := make(map[string]string)
-	files["index.html"] = markdown.IndexFilePath
-	files["header.html"] = markdown.Options.HeaderFilePath
-	files["footer.html"] = markdown.Options.FooterFilePath
-	for _, fpath := range markdown.MarkdownFilePaths {
+	files["index.html"] = markdown.indexFilePath
+	files["header.html"] = markdown.headerFilePath
+	files["footer.html"] = markdown.footerFilePath
+	for _, fpath := range markdown.markdownFilePaths {
 		files[filepath.Base(fpath)] = fpath
 	}
-	for _, fpath := range markdown.AssetFilePaths {
+	for _, fpath := range markdown.assetFilePaths {
 		files[filepath.Base(fpath)] = fpath
 	}
 	return files
@@ -84,4 +113,5 @@ func (markdown *MarkdownRequest) getFormFiles() map[string]string {
 // Compile-time checks to ensure type implements desired interfaces.
 var (
 	_ = Request(new(MarkdownRequest))
+	_ = ChromeRequest(new(MarkdownRequest))
 )