feat: inital commit

- added template subcmd which generates frc project templates

cmd/template/remote.go

@@ -0,0 +1,152 @@
+package template
+
+import (
+	"encoding/json"
+	"io"
+	"log/slog"
+	"net/http"
+	"os"
+	"path/filepath"
+	"strconv"
+
+	"rph/state"
+)
+
+type progressWriter struct {
+	total      int
+	downloaded int
+	file       *os.File
+	reader     io.Reader
+	onProgress func(float64)
+}
+
+func (pw *progressWriter) Start() {
+	// TeeReader calls pw.Write() each time a new response is received
+	_, err := io.Copy(pw.file, io.TeeReader(pw.reader, pw))
+	if err != nil {
+		slog.Error("Error in progress writer", "error", progressErrMsg{err})
+	}
+}
+
+func (pw *progressWriter) Write(p []byte) (int, error) {
+	pw.downloaded += len(p)
+	if pw.total > 0 && pw.onProgress != nil {
+		pw.onProgress(float64(pw.downloaded) / float64(pw.total))
+	}
+	return len(p), nil
+}
+
+type asset struct {
+	Name               string `json:"name"`
+	BrowserDownloadURL string `json:"browser_download_url"`
+}
+
+type release struct {
+	TagName string  `json:"tag_name"`
+	Assets  []asset `json:"assets"`
+}
+
+func getTemplateArchive(filename string, force bool, version string) {
+	const url = "https://api.github.com/repos/wpilibsuite/vscode-wpilib/releases/"
+	path := filepath.Join(state.CachePath, filename)
+
+	currentVersion, err := LoadArchiveVersion()
+	// default the version to the latest version if no version is currently
+	// installed and the user wants to keep the current version
+	if err != nil && version == "keep" {
+		version = "latest"
+	} else if currentVersion != "" && version == "keep" {
+		version = currentVersion
+	}
+
+	// use tags to select the version when we're not just getting the latest one
+	if version != "latest" {
+		version = "tags/" + version
+	}
+
+	resp, err := http.Get(url + version)
+	if err != nil {
+		slog.Error("Error fetching release:", "error", err)
+		os.Exit(1)
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		body, _ := io.ReadAll(resp.Body)
+		slog.Error("GitHub API error", "status", resp.Status, "body", string(body))
+		os.Exit(1)
+	}
+
+	var release release
+	if err := json.NewDecoder(resp.Body).Decode(&release); err != nil {
+		slog.Error("Error decoding JSON", "error", err)
+		os.Exit(1)
+	}
+
+	_, ferr := os.Stat(path)
+	currentVersion, err = LoadArchiveVersion()
+	if !force && err == nil && currentVersion == release.TagName && ferr == nil {
+		slog.Info("Template archive is already installed", "version", currentVersion)
+		slog.Info("If you would like to install a different version try: rph template fetch -h")
+		return
+	}
+
+	var downloadURL string
+	for _, asset := range release.Assets {
+		if asset.Name == "templates.zip" {
+			downloadURL = asset.BrowserDownloadURL
+			break
+		}
+	}
+
+	if downloadURL == "" {
+		slog.Warn("templates.zip not found in release version.", "version", version)
+		return
+	}
+
+	err = downloadFile(downloadURL)
+	if err != nil {
+		slog.Error("Error downloading archive file", "error", err)
+		os.Exit(1)
+	}
+
+	err = saveArchiveVersion(release.TagName)
+	if err != nil {
+		slog.Warn("Failed to save version information", "error", err)
+	} else {
+		slog.Info("Downloaded new template file", "version", release.TagName)
+	}
+}
+
+func ListTemplateArchiveVersions(results uint8) []string {
+	const url = "https://api.github.com/repos/wpilibsuite/vscode-wpilib/releases?per_page="
+	resp, err := http.Get(url + strconv.Itoa(int(results)))
+	if err != nil {
+		slog.Error("Error fetching release:", "error", err)
+		os.Exit(1)
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		body, _ := io.ReadAll(resp.Body)
+		slog.Error("GitHub API error", "status", resp.Status, "body", string(body))
+		os.Exit(1)
+	}
+
+	var releases []release
+	if err := json.NewDecoder(resp.Body).Decode(&releases); err != nil {
+		slog.Error("Error decoding JSON", "error", err)
+		os.Exit(1)
+	}
+
+	var versions []string
+	for _, r := range releases {
+		for _, a := range r.Assets {
+			if a.Name == "templates.zip" {
+				versions = append(versions, r.TagName)
+			}
+		}
+	}
+
+	return versions
+}