Simpler list view (#382)

* Simpler list view

* lint

* readding graph viz with -g/--graph

Co-authored-by: Leonid Shamis <lshamis@bob.localdomain>
Co-authored-by: Casey Lee <cplee@nektos.com>

cmd/list.go

@@ -0,0 +1,57 @@
+package cmd
+
+import (
+	"fmt"
+	"strconv"
+
+	"github.com/nektos/act/pkg/model"
+)
+
+func printList(plan *model.Plan) error {
+	type lineInfoDef struct {
+		id    string
+		stage string
+		name  string
+	}
+	lineInfos := []lineInfoDef{}
+
+	header := lineInfoDef{
+		id:    "ID",
+		stage: "Stage",
+		name:  "Name",
+	}
+
+	idMaxWidth := len(header.id)
+	stageMaxWidth := len(header.stage)
+	nameMaxWidth := len(header.name)
+
+	for i, stage := range plan.Stages {
+		for _, r := range stage.Runs {
+			line := lineInfoDef{
+				id:    r.JobID,
+				stage: strconv.Itoa(i),
+				name:  r.String(),
+			}
+			lineInfos = append(lineInfos, line)
+			if idMaxWidth < len(line.id) {
+				idMaxWidth = len(line.id)
+			}
+			if stageMaxWidth < len(line.stage) {
+				stageMaxWidth = len(line.stage)
+			}
+			if nameMaxWidth < len(line.name) {
+				nameMaxWidth = len(line.name)
+			}
+		}
+	}
+
+	idMaxWidth += 2
+	stageMaxWidth += 2
+	nameMaxWidth += 2
+
+	fmt.Printf("%*s%*s%*s\n", -idMaxWidth, header.id, -stageMaxWidth, header.stage, -nameMaxWidth, header.name)
+	for _, line := range lineInfos {
+		fmt.Printf("%*s%*s%*s\n", -idMaxWidth, line.id, -stageMaxWidth, line.stage, -nameMaxWidth, line.name)
+	}
+	return nil
+}