refactor to decouple commands form entrypoint for reusability and centralizing commands.

Increase reusability and composition

internal/commands/issues/read.go

@@ -0,0 +1,47 @@
+package issuesCmd
+
+import (
+	"github.com/LazyBachelor/LazyPM/internal/models"
+	"github.com/spf13/cobra"
+)
+
+// GetCmd represents the get issue command.
+var GetCmd = &cobra.Command{
+	Use:   "describe [issue ID]",
+	Short: "Get issue details",
+	Long:  `Get issue details by ID`,
+
+	ValidArgsFunction: completeIssues,
+
+	Aliases: []string{"get", "read"},
+	Args:    cobra.ExactArgs(1),
+	RunE:    runGetCmd,
+}
+
+// runGetCmd executes the get issue command logic,
+// which retrieves and displays issue details by its ID.
+func runGetCmd(cmd *cobra.Command, args []string) error {
+	issueID := args[0]
+
+	// Fetch the issue details using the service layer.
+	app := AppFromContext(cmd.Context())
+	issuePtr, err := app.Issues.GetIssue(cmd.Context(), issueID)
+	if err != nil {
+		return err
+	}
+
+	// If the issue is not found, inform the user.
+	if issuePtr == nil {
+		cmd.Printf("Issue with ID %s not found\n", issueID)
+		return nil
+	}
+
+	// Display the issue details to the user.
+	cmd.Println(models.IssueString(*issuePtr))
+
+	return nil
+}
+
+// init function to set up the get issue command.
+func init() {
+}