Allow wbi to be compiled into a C library

internal/quarto/install.go

@@ -114,7 +114,7 @@ func DownloadAndInstallQuartoVersions(quartoVersions []string, osType config.Ope
 
 func DownloadAndInstallQuarto(quartoVersion string, osType config.OperatingSystem) error {
 	// Find URL
-	quartoURL := generateQuartoInstallURL(quartoVersion, osType)
+	quartoURL := GenerateQuartoInstallURL(quartoVersion, osType)
 	// Download installer
 	installerPath, err := downloadFileQuarto(quartoURL, quartoVersion)
 	if err != nil {
@@ -135,7 +135,7 @@ func DownloadAndInstallQuarto(quartoVersion string, osType config.OperatingSyste
 	return nil
 }
 
-func generateQuartoInstallURL(quartoVersion string, osType config.OperatingSystem) string {
+func GenerateQuartoInstallURL(quartoVersion string, osType config.OperatingSystem) string {
 	// treat RHEL 7 differently as specified here: https://docs.posit.co/resources/install-quarto/#specify-quarto-version-tar
 	var url string
 	if osType == config.Redhat7 {

main.go

@@ -1,9 +1,15 @@
 package main
 
 import (
-	"os"
-
+	"C"
 	"github.com/sol-eng/wbi/cmd"
+	"github.com/sol-eng/wbi/internal/config"
+	"github.com/sol-eng/wbi/internal/languages"
+	"github.com/sol-eng/wbi/internal/prodrivers"
+	"github.com/sol-eng/wbi/internal/quarto"
+	"github.com/sol-eng/wbi/internal/workbench"
+	"os"
+	"strings"
 )
 
 // https://goreleaser.com/cookbooks/using-main.version
@@ -16,3 +22,100 @@ var (
 func main() {
 	cmd.Execute(version, os.Args[1:])
 }
+
+func OSSwitch(osGo string) config.OperatingSystem {
+	var osType config.OperatingSystem
+	switch osGo {
+	case "U20":
+		osType = config.Ubuntu20
+	case "U22":
+		osType = config.Ubuntu22
+	case "RH7":
+		osType = config.Redhat7
+	case "RH8":
+		osType = config.Redhat8
+	case "RH9":
+		osType = config.Redhat9
+	default:
+		osType = config.Redhat8
+	}
+
+	return osType
+
+}
+
+//export rversions
+func rversions() *C.char {
+	result, _ := languages.RetrieveValidRVersions()
+	return C.CString(strings.Join(result, " "))
+}
+
+//export rurls
+func rurls(os *C.char, rVersion *C.char) *C.char {
+	osGo := C.GoString(os)
+	rVersionGo := C.GoString(rVersion)
+	osType := OSSwitch(osGo)
+	installerInfo, _ := languages.PopulateInstallerInfo("r", rVersionGo, osType)
+	//fmt.Println(installerInfo.URL)
+	return C.CString(installerInfo.URL)
+}
+
+//export pythonversions
+func pythonversions(os *C.char) *C.char {
+	osGo := C.GoString(os)
+	osType := OSSwitch(osGo)
+
+	result, _ := languages.RetrieveValidPythonVersions(osType)
+	return C.CString(strings.Join(result, " "))
+}
+
+//export pythonurls
+func pythonurls(os *C.char, pythonVersion *C.char) *C.char {
+	osGo := C.GoString(os)
+	pythonVersionGo := C.GoString(pythonVersion)
+	osType := OSSwitch(osGo)
+	installerInfo, _ := languages.PopulateInstallerInfo("python", pythonVersionGo, osType)
+	//fmt.Println(installerInfo.URL)
+	return C.CString(installerInfo.URL)
+}
+
+//export quartoversions
+func quartoversions() *C.char {
+	result, _ := quarto.RetrieveValidQuartoVersions()
+	return C.CString(strings.Join(result, " "))
+}
+
+//export quartourls
+func quartourls(os *C.char, quartoVersion *C.char) *C.char {
+	osGo := C.GoString(os)
+	quartoVersionGo := C.GoString(quartoVersion)
+	osType := OSSwitch(osGo)
+	quartoURL := quarto.GenerateQuartoInstallURL(quartoVersionGo, osType)
+
+	//fmt.Println(installerInfo.URL)
+	return C.CString(quartoURL)
+}
+
+//export workbenchurl
+func workbenchurl(os *C.char) (*C.char, *C.char) {
+	osGo := C.GoString(os)
+	osType := OSSwitch(osGo)
+	// Retrieve JSON data
+	rstudio, _ := workbench.RetrieveWorkbenchInstallerInfo()
+	// Retrieve installer info
+	installerInfo, _ := rstudio.GetInstallerInfo(osType)
+	//fmt.Println(installerInfo.URL)
+	return C.CString(installerInfo.Version), C.CString(installerInfo.URL)
+}
+
+//export driverurl
+func driverurl(os *C.char) (*C.char, *C.char) {
+	osGo := C.GoString(os)
+	osType := OSSwitch(osGo)
+	// Retrieve JSON data
+	rstudio, _ := prodrivers.RetrieveProDriversInstallerInfo()
+	// Retrieve installer info
+	installerInfo, _ := rstudio.GetInstallerInfo(osType)
+	//fmt.Println(installerInfo.URL)
+	return C.CString(installerInfo.Version), C.CString(installerInfo.URL)
+}