Refactor

- Centralize error handling
- Use cobra
- Rename util dir to pkg
- Create pkg/server package

Author: juho05

LICENSE

@@ -0,0 +1,42 @@
+/*
+Copyright © 2022 NAME HERE <EMAIL ADDRESS>
+
+*/
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/code-game-project/codegame-cli/pkg/cgfile"
+	"github.com/code-game-project/codegame-cli/pkg/modules"
+	"github.com/spf13/cobra"
+)
+
+// buildCmd represents the build command
+var buildCmd = &cobra.Command{
+	Use:                "build",
+	Short:              "Build the current project.",
+	DisableFlagParsing: true,
+	Run: func(cmd *cobra.Command, args []string) {
+		rootRelative, err := cgfile.FindProjectRootRelative()
+		abort(err)
+
+		data, err := cgfile.LoadCodeGameFile(rootRelative)
+		abortf("failed to load .codegame.json: %w", err)
+
+		cmdArgs := []string{"build"}
+		cmdArgs = append(cmdArgs, args...)
+
+		switch data.Lang {
+		case "go":
+			err = modules.Execute("go", "latest", data.Type, cmdArgs...)
+			abort(err)
+		default:
+			abort(fmt.Errorf("'build' is not supported for '%s'", data.Lang))
+		}
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(buildCmd)
+}

cmd/build.go

@@ -0,0 +1,68 @@
+/*
+Copyright © 2022 NAME HERE <EMAIL ADDRESS>
+
+*/
+package cmd
+
+import (
+	"errors"
+	"os"
+	"strings"
+
+	"github.com/Bananenpro/cli"
+	"github.com/code-game-project/codegame-cli/pkg/cgfile"
+	"github.com/code-game-project/codegame-cli/pkg/server"
+	"github.com/spf13/cobra"
+)
+
+// changeUrlCmd represents the changeUrl command
+var changeUrlCmd = &cobra.Command{
+	Use:   "changeUrl",
+	Short: "Permanently switch to a different game URL.",
+	Args:  cobra.RangeArgs(0, 1),
+	Run: func(cmd *cobra.Command, args []string) {
+		root, err := cgfile.FindProjectRoot()
+		abort(err)
+
+		var url string
+		if len(os.Args) >= 3 {
+			url = strings.ToLower(os.Args[2])
+		} else {
+			var err error
+			url, err = cli.Input("New game URL:")
+			abort(err)
+		}
+		api, err := server.NewAPI(url)
+		abort(err)
+
+		config, err := cgfile.LoadCodeGameFile(root)
+		abort(err)
+
+		if config.Type != "client" {
+			abort(errors.New("project is not a client"))
+		}
+
+		info, err := api.FetchGameInfo()
+		abort(err)
+		if info.Name != config.Game {
+			abort(errors.New("The URL points to a different game."))
+		}
+
+		prevURL := config.URL
+
+		config.URL = url
+		err = config.Write(root)
+		abort(err)
+
+		err = update()
+		if err != nil {
+			config.URL = prevURL
+			config.Write(root)
+			abort(err)
+		}
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(changeUrlCmd)
+}

cmd/changeUrl.go

@@ -0,0 +1,73 @@
+package cmd
+
+import (
+	"os"
+	"path/filepath"
+
+	_ "embed"
+
+	"github.com/Bananenpro/cli"
+	"github.com/code-game-project/codegame-cli/pkg/cggenevents"
+	"github.com/code-game-project/codegame-cli/pkg/exec"
+	"github.com/code-game-project/codegame-cli/pkg/server"
+	"github.com/gomarkdown/markdown"
+	"github.com/gomarkdown/markdown/html"
+	"github.com/gomarkdown/markdown/parser"
+	"github.com/spf13/cobra"
+)
+
+//go:embed templates/css/docs.css
+var docsStyle string
+
+var docsCmd = &cobra.Command{
+	Use:   "docs",
+	Short: "View the documention of CodeGame or a specific game in your webbrowser.",
+	Args:  cobra.RangeArgs(0, 1),
+	Run: func(cmd *cobra.Command, args []string) {
+		if len(args) == 0 {
+			cli.Print("Opening documentation...")
+			err := exec.OpenBrowser("https://docs.code-game.org")
+			abort(err)
+		}
+
+		api, err := server.NewAPI(args[0])
+		abort(err)
+
+		url := api.BaseURL()
+
+		cge, err := api.GetCGEFile()
+		abort(err)
+
+		cgeVersion, err := cggenevents.ParseCGEVersion(cge)
+		abort(err)
+
+		err = cggenevents.CGGenEvents(cgeVersion, os.TempDir(), url, "markdown")
+		abort(err)
+
+		md, err := os.ReadFile(filepath.Join(os.TempDir(), "event_docs.md"))
+		abort(err)
+
+		md = markdown.NormalizeNewlines(md)
+		text := markdown.ToHTML(md, parser.NewWithExtensions(parser.CommonExtensions|parser.AutoHeadingIDs), html.NewRenderer(html.RendererOptions{
+			CSS:   filepath.Join(os.TempDir(), "event_docs.css"),
+			Flags: html.CommonFlags | html.CompletePage,
+		}))
+
+		os.Remove(filepath.Join(os.TempDir(), "event_docs.md"))
+
+		err = os.WriteFile(filepath.Join(os.TempDir(), "event_docs.html"), text, 0644)
+		abort(err)
+
+		err = os.WriteFile(filepath.Join(os.TempDir(), "event_docs.css"), []byte(docsStyle), 0644)
+		abort(err)
+
+		cli.Print("Opening documentation...")
+
+		err = exec.OpenBrowser(filepath.Join(os.TempDir(), "event_docs.html"))
+		abort(err)
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(docsCmd)
+}

cmd/docs.go

@@ -0,0 +1,72 @@
+/*
+Copyright © 2022 NAME HERE <EMAIL ADDRESS>
+
+*/
+package cmd
+
+import (
+	"fmt"
+	"io"
+	"os"
+	"strings"
+	"unicode/utf8"
+
+	"github.com/Bananenpro/cli"
+	"github.com/code-game-project/codegame-cli/pkg/external"
+	"github.com/code-game-project/codegame-cli/pkg/server"
+	"github.com/mattn/go-colorable"
+	"github.com/spf13/cobra"
+)
+
+// infoCmd represents the info command
+var infoCmd = &cobra.Command{
+	Use:   "info",
+	Short: "Display some information about a game server.",
+	Args:  cobra.MaximumNArgs(1),
+	Run: func(cmd *cobra.Command, args []string) {
+		var url string
+		if len(args) > 0 {
+			url = strings.ToLower(os.Args[0])
+		} else {
+			var err error
+			url, err = cli.Input("Game server URL:")
+			abort(err)
+		}
+		api, err := server.NewAPI(url)
+		abort(err)
+
+		info, err := api.FetchGameInfo()
+		abort(err)
+
+		printInfo(info)
+
+		cli.PrintColor(cli.Yellow, "\nTo view the documentation of this game run:\n%s docs %s", os.Args[0], external.TrimURL(url))
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(infoCmd)
+}
+
+func printInfo(info server.GameInfo) {
+	out := colorable.NewColorableStdout()
+	printInfoProperty(out, "Display Name", info.DisplayName, 17)
+	printInfoProperty(out, "Name", info.Name, 17)
+	printInfoProperty(out, "Description", info.Description, 17)
+	printInfoProperty(out, "Version", info.Version, 17)
+	printInfoProperty(out, "CodeGame Version", info.CGVersion, 17)
+	printInfoProperty(out, "Repository", info.RepositoryURL, 17)
+}
+
+func printInfoProperty(out io.Writer, name, value string, labelWidth int) {
+	if value == "" {
+		return
+	}
+
+	label := name + ":"
+	if labelWidth-utf8.RuneCountInString(label) > 0 {
+		label += strings.Repeat(" ", labelWidth-utf8.RuneCountInString(label))
+	}
+
+	fmt.Fprintf(out, "\x1b[36m%s\x1b[0m %s\n", label, value)
+}