initial commit

new.go

@@ -0,0 +1,114 @@
+package main
+
+import (
+	"fmt"
+	"io"
+	"maps"
+	"os"
+	"slices"
+
+	"github.com/cuonglm/gogi"
+	"github.com/manifoldco/promptui"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+const gitignoreFileName string = ".gitignore"
+
+// newCmd represents the new command.
+var newCmd = &cobra.Command{
+	Use:   "new",
+	Short: "Create a new .gitignore file",
+	RunE: func(cmd *cobra.Command, args []string) error {
+		return runNewCommand(cmd, args)
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(newCmd)
+}
+
+type promptConfig struct {
+	Height      int
+	StartSearch bool
+	FilterType  string
+}
+
+func runNewCommand(cmd *cobra.Command, _ []string) error {
+	pc := promptConfig{
+		Height:      viper.GetInt("height"),
+		StartSearch: viper.GetBool("start-search"),
+		FilterType:  viper.GetString("filter"),
+	}
+
+	client, ok := ClientFromContext(cmd.Context())
+	if !ok {
+		return fmt.Errorf("failed to retrieve gogi client from context")
+	}
+
+	content, err := runPrompt(client, &pc)
+	if err != nil {
+		return fmt.Errorf("failed to run prompt: %w", err)
+	}
+
+	f, err := os.OpenFile(gitignoreFileName, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0o600)
+	if err != nil {
+		return fmt.Errorf("error opening file '%s': %w", gitignoreFileName, err)
+	}
+	defer f.Close()
+
+	if err = commitGitignore(content, f); err != nil {
+		return fmt.Errorf("error committing gitignore file: %w", err)
+	}
+
+	return nil
+}
+
+// runPrompt is a helper function to run the selection prompt for .gitignore templates.
+func runPrompt(client *gogi.Client, pc *promptConfig) (string, error) {
+	data, err := client.ListJson()
+	if err != nil {
+		return "", fmt.Errorf("error retrieving gitignore templates: %w", err)
+	}
+	templateNames := slices.Sorted(maps.Keys(data))
+
+	selectTemplates := &promptui.SelectTemplates{
+		Label:    `  {{ "\U0000007C" | faint }} {{ . | magenta | bold }}`,
+		Active:   `{{ "\U0000007C" | faint }} {{ "🌶" | red }}  {{ . | cyan | italic }}`,
+		Inactive: `{{ "\U0000007C" | faint }}    {{ . | faint }}`,
+		Selected: `{{ "Created" | green }} {{ . }} {{ ".gitignore file ✓" | green }}`,
+	}
+
+	prompt := promptui.Select{
+		Label:             "Select a .gitignore template",
+		Items:             templateNames,
+		Templates:         selectTemplates,
+		Size:              pc.Height,
+		Searcher:          filterFunc(templateNames, pc.FilterType),
+		StartInSearchMode: pc.StartSearch,
+	}
+
+	i, _, err := prompt.Run()
+	if err != nil {
+		return "", fmt.Errorf("error running prompt: %w", err)
+	}
+
+	return data[templateNames[i]].Contents, nil
+}
+
+// commitGitignore writes the content of the selected gitignore template to the .gitignore file.
+func commitGitignore(content string, w io.Writer) error {
+	if _, err := fmt.Fprintf(w, "# Generated by gogn: github.com/onyx-and-iris/gogn\n"); err != nil {
+		return fmt.Errorf("error writing header to file '%s': %w", gitignoreFileName, err)
+	}
+
+	if _, err := fmt.Fprintf(w, "%s", content); err != nil {
+		return fmt.Errorf("error writing to file '%s': %w", gitignoreFileName, err)
+	}
+
+	if _, err := fmt.Fprintf(w, "\n# End of gogn\n"); err != nil {
+		return fmt.Errorf("error writing footer to file '%s': %w", gitignoreFileName, err)
+	}
+
+	return nil
+}