adding markdown conversion to PDF + fixing some issue in CI process

app/config/config.go

@@ -33,6 +33,9 @@ type (
 	// CommandsConfig gathers all commands' configurations as defined
 	// by the user in the gotenberg.yml file.
 	CommandsConfig struct {
+		// Markdown is the command's configuration for converting
+		// an markdown file to PDF.
+		Markdown *CommandConfig
 		// HTML is the command's configuration for converting
 		// an HTML file to PDF.
 		HTML *CommandConfig
@@ -79,13 +82,20 @@ func NewAppConfig(configurationFilePath string) (*AppConfig, error) {
 	c.Logs.Formatter = formatter
 
 	c.CommandsConfig = &CommandsConfig{}
+	c.CommandsConfig.Markdown = &CommandConfig{}
 	c.CommandsConfig.HTML = &CommandConfig{}
 	c.CommandsConfig.Office = &CommandConfig{}
 	c.CommandsConfig.Merge = &CommandConfig{}
+	c.CommandsConfig.Markdown.Timeout = fileConfig.Commands.Markdown.Timeout
 	c.CommandsConfig.HTML.Timeout = fileConfig.Commands.HTML.Timeout
 	c.CommandsConfig.Office.Timeout = fileConfig.Commands.Office.Timeout
 	c.CommandsConfig.Merge.Timeout = fileConfig.Commands.Merge.Timeout
 
+	tmplMarkdown, err := getCommandTemplate(fileConfig.Commands.Markdown.Template, "Markdown")
+	if err != nil {
+		return nil, err
+	}
+
 	tmplHTML, err := getCommandTemplate(fileConfig.Commands.HTML.Template, "HTML")
 	if err != nil {
 		return nil, err
@@ -101,6 +111,7 @@ func NewAppConfig(configurationFilePath string) (*AppConfig, error) {
 		return nil, err
 	}
 
+	c.CommandsConfig.Markdown.Template = tmplMarkdown
 	c.CommandsConfig.HTML.Template = tmplHTML
 	c.CommandsConfig.Office.Template = tmplOffice
 	c.CommandsConfig.Merge.Template = tmplMerge
@@ -116,6 +127,10 @@ type fileConfig struct {
 		Format string `yaml:"format"`
 	} `yaml:"logs"`
 	Commands struct {
+		Markdown struct {
+			Timeout  int    `yaml:"timeout"`
+			Template string `yaml:"template"`
+		} `yaml:"markdown"`
 		HTML struct {
 			Timeout  int
 			Template string

app/config/config_test.go

@@ -29,25 +29,31 @@ func TestNewAppConfig(t *testing.T) {
 		t.Error("AppConfig should not have been instantiated!")
 	}
 
-	// case 5: uses a configuration file with a wrong HTML command template.
+	// case 5: uses a configuration file with a wrong markdown command template.
+	path, _ = filepath.Abs("../../_tests/configurations/wrong-markdown-command-template-gotenberg.yml")
+	if _, err := NewAppConfig(path); err == nil {
+		t.Error("AppConfig should not have been instantiated!")
+	}
+
+	// case 6: uses a configuration file with a wrong HTML command template.
 	path, _ = filepath.Abs("../../_tests/configurations/wrong-html-command-template-gotenberg.yml")
 	if _, err := NewAppConfig(path); err == nil {
 		t.Error("AppConfig should not have been instantiated!")
 	}
 
-	// case 6: uses a configuration file with a wrong Office command template.
+	// case 7: uses a configuration file with a wrong Office command template.
 	path, _ = filepath.Abs("../../_tests/configurations/wrong-office-command-template-gotenberg.yml")
 	if _, err := NewAppConfig(path); err == nil {
 		t.Error("AppConfig should not have been instantiated!")
 	}
 
-	// case 7: uses a configuration file with a wrong merge command template.
+	// case 8: uses a configuration file with a wrong merge command template.
 	path, _ = filepath.Abs("../../_tests/configurations/wrong-merge-command-template-gotenberg.yml")
 	if _, err := NewAppConfig(path); err == nil {
 		t.Error("AppConfig should not have been instantiated!")
 	}
 
-	// case 8: uses a correct configuration file.
+	// case 9: uses a correct configuration file.
 	path, _ = filepath.Abs("../../_tests/configurations/gotenberg.yml")
 	if _, err := NewAppConfig(path); err != nil {
 		t.Error("AppConfig should have been instantiated!")

app/converter/file/file.go

@@ -25,6 +25,8 @@ type Type uint32
 const (
 	// PDFType represents a... PDF file.
 	PDFType Type = iota
+	// MarkdownType represents a... markdown file.
+	MarkdownType
 	// HTMLType represents an... HTML file.
 	HTMLType
 	// OfficeType represents an... Office document.
@@ -34,6 +36,7 @@ const (
 // filesTypes associates a file extension with its file kind counterpart.
 var filesTypes = map[string]Type{
 	".pdf":  PDFType,
+	".md":   MarkdownType,
 	".htm":  HTMLType,
 	".html": HTMLType,
 	".doc":  OfficeType,

app/converter/process/process.go

@@ -3,6 +3,7 @@ package process
 
 import (
 	"bytes"
+	"fmt"
 	"os/exec"
 	"text/template"
 	"time"
@@ -45,6 +46,10 @@ func Unconv(workingDir string, file *gfile.File) (string, error) {
 	)
 
 	switch file.Type {
+	case gfile.MarkdownType:
+		cmdTemplate = commandsConfig.Markdown.Template
+		cmdTimeout = commandsConfig.Markdown.Timeout
+		break
 	case gfile.HTMLType:
 		cmdTemplate = commandsConfig.HTML.Template
 		cmdTimeout = commandsConfig.HTML.Timeout
@@ -99,12 +104,13 @@ func Merge(workingDir string, filesPaths []string) (string, error) {
 	return cmdData.ResultFilePath, nil
 }
 
-type commandTimeoutError struct{}
-
-const commandTimeoutErrorMessage = "The command has reached timeout"
+type commandTimeoutError struct {
+	command string
+	timeout int
+}
 
 func (e *commandTimeoutError) Error() string {
-	return commandTimeoutErrorMessage
+	return fmt.Sprintf("The command '%s' has reached the %d second(s) timeout", e.command, e.timeout)
 }
 
 // run runs the given command. If timeout is reached or
@@ -126,7 +132,10 @@ func run(command string, timeout int) error {
 		if err := cmd.Process.Kill(); err != nil {
 			return err
 		}
-		return &commandTimeoutError{}
+		return &commandTimeoutError{
+			command: command,
+			timeout: timeout,
+		}
 	case err := <-done:
 		if err != nil {
 			return err

app/converter/process/process_test.go

@@ -120,8 +120,14 @@ func TestImpossibleConversionError(t *testing.T) {
 }
 
 func TestCommandTimeoutError(t *testing.T) {
-	err := &commandTimeoutError{}
-	if err.Error() != commandTimeoutErrorMessage {
-		t.Errorf("Error returned a wrong message: got %s want %s", err.Error(), commandTimeoutErrorMessage)
+	err := &commandTimeoutError{
+		command: "echo hello",
+		timeout: 30,
+	}
+
+	expected := fmt.Sprintf("The command '%s' has reached the %d second(s) timeout", err.command, err.timeout)
+
+	if err.Error() != expected {
+		t.Errorf("Error returned a wrong message: got %s want %s", err.Error(), expected)
 	}
 }