Implement downloading releases

main.go

@@ -10,7 +10,6 @@ import (
 	"os"
 	"path/filepath"
 	"regexp"
-	"strings"
 
 	"github.com/wailsapp/wails/v2"
 	"github.com/wailsapp/wails/v2/pkg/options"
@@ -56,82 +55,79 @@ var addons = []*Addon{
 	NewAddon("Channeler", "https://git.site.quack-lab.dev/dave/wow_channeler"),
 }
 
-func (a *Addon) GetRemoteToc() *url.URL {
+func (a *Addon) GetRemoteTocURL() *url.URL {
 	return a.URL.JoinPath("raw", "branch", "master", a.Name+".toc")
 }
-func (a *Addon) GetLocalToc() string {
+func (a *Addon) GetRemoteReleaseURL() *url.URL {
+	return a.URL.JoinPath("media", "branch", "master", a.Name+".zip")
+}
+func (a *Addon) GetRemoteRelease() (body []byte, err error) {
+	url := a.GetRemoteReleaseURL()
+	response, err := http.Get(url.String())
+	if err != nil {
+		return nil, fmt.Errorf("error getting remote release: %w", err)
+	}
+	return io.ReadAll(response.Body)
+}
+func (a *Addon) GetLocalTocPath() string {
 	return filepath.Join(gamePath, "Interface", "AddOns", a.Name, a.Name+".toc")
 }
 func (a *Addon) GetRemoteVersion() (version string, err error) {
-	url := a.GetRemoteToc()
+	url := a.GetRemoteTocURL()
 	log.Printf("Fetching remote version from %s", url.String())
 	response, err := http.Get(url.String())
 	if err != nil {
-		log.Printf("error getting remote version: %s", err)
-		return "", err
+		return "", fmt.Errorf("error getting remote version: %w", err)
 	}
 	if response.StatusCode != http.StatusOK {
-		log.Printf("error getting remote version: %s", response.Status)
-		return "", fmt.Errorf("error getting remote version: %s", response.Status)
+		return "", fmt.Errorf("error getting remote version with status: %s", response.Status)
 	}
 	defer response.Body.Close()
 	body, err := io.ReadAll(response.Body)
 	if err != nil {
-		log.Printf("error reading remote version: %s", err)
-		return "", err
+		return "", fmt.Errorf("error reading remote version: %w", err)
 	}
-	log.Printf("Remote version: %s", string(body))
-	lines := strings.Split(string(body), "\n")
-	for _, line := range lines {
-		if strings.HasPrefix(line, "## Version") {
-			version := versionRegex.FindString(line)
-			log.Printf("remote version: %s", version)
-			return version, nil
+	return GetVersion(string(body))
 }
-	}
-	return "", fmt.Errorf("no version found")
-}
-func (a *Addon) GetLocalVersion() string {
-	file, err := os.Open(a.GetLocalToc())
+func (a *Addon) GetLocalVersion() (version string, err error) {
+	file, err := os.Open(a.GetLocalTocPath())
 	if err != nil {
-		log.Printf("error opening local toc: %s", err)
-		return ""
+		return "", fmt.Errorf("error opening local toc: %w", err)
 	}
 	defer file.Close()
 	body, err := io.ReadAll(file)
 	if err != nil {
-		log.Printf("error reading local toc: %s", err)
-		return ""
+		return "", fmt.Errorf("error reading local toc: %w", err)
 	}
-	lines := strings.Split(string(body), "\n")
-	for _, line := range lines {
-		if strings.HasPrefix(line, "## Version") {
-			version := strings.TrimSpace(strings.TrimPrefix(line, "## Version"))
-			log.Printf("local version: %s", version)
-			return version
+	return GetVersion(string(body))
 }
+func (a *Addon) IsUpToDate() bool {
+	remoteVersion, err := a.GetRemoteVersion()
+	if err != nil {
+		return false
 	}
-	return ""
+	localVersion, err := a.GetLocalVersion()
+	if err != nil {
+		return false
+	}
+	return remoteVersion == localVersion
 }
 
 func main() {
 	gamePath = filepath.Join("C:\\", "Games", "WoWRuski")
 	for _, addon := range addons {
-		log.Printf("%#v", addon.GetLocalToc())
-		log.Printf("%#v", addon.GetRemoteToc())
-		remoteVersion, err := addon.GetRemoteVersion()
+		log.Printf("%#v", addon.IsUpToDate())
+		log.Printf("%#v", addon.GetRemoteReleaseURL())
+		body, err := addon.GetRemoteRelease()
 		if err != nil {
-			log.Printf("error getting remote version: %s", err)
+			log.Printf("error getting remote release: %s", err)
 			continue
 		}
-		log.Printf("%#v", remoteVersion)
-		log.Printf("%#v", addon.GetLocalVersion())
+		log.Printf("%#v", string(body))
 	}
 	return
-	// Create an instance of the app structure
 	app := NewApp()
 
-	// Create application with options
 	err := wails.Run(&options.App{
 		Title:  "wails-template",
 		Width:  1024,

utils.go

@@ -1 +1,17 @@
 package main
+
+import (
+	"fmt"
+	"strings"
+)
+
+func GetVersion(data string) (version string, err error) {
+	lines := strings.Split(data, "\n")
+	for _, line := range lines {
+		version = versionRegex.FindString(line)
+		if version != "" {
+			return version, nil
+		}
+	}
+	return "", fmt.Errorf("no version found")
+}