Add interactive mode for tea milestone create (#310)

Implement interactive milestone creation

Return fmt.Errorf when title is empty

Incorporate deadline functionality

Use dateparse and cleanup CreateMilestone task

Signed-off-by: Martin Reboredo <yakoyoku@gmail.com>
Co-authored-by: Martin Reboredo <yakoyoku@gmail.com>
Reviewed-on: https://gitea.com/gitea/tea/pulls/310
Reviewed-by: Norwin <noerw@noreply.gitea.io>
Reviewed-by: 6543 <6543@obermui.de>
Co-Authored-By: Martin Reboredo <yakoyakoyokuyoku@noreply.gitea.io>
Co-Committed-By: Martin Reboredo <yakoyakoyokuyoku@noreply.gitea.io>

modules/interact/milestone_create.go

@@ -0,0 +1,77 @@
+// Copyright 2020 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package interact
+
+import (
+	"fmt"
+	"time"
+
+	"code.gitea.io/tea/modules/config"
+	"code.gitea.io/tea/modules/task"
+
+	"code.gitea.io/sdk/gitea"
+	"github.com/AlecAivazis/survey/v2"
+	"github.com/araddon/dateparse"
+)
+
+// CreateMilestone interactively creates a milestone
+func CreateMilestone(login *config.Login, owner, repo string) error {
+	var title, description, dueDate string
+	var deadline *time.Time
+
+	// owner, repo
+	owner, repo, err := promptRepoSlug(owner, repo)
+	if err != nil {
+		return err
+	}
+
+	// title
+	promptOpts := survey.WithValidator(survey.Required)
+	promptI := &survey.Input{Message: "Milestone title:"}
+	if err := survey.AskOne(promptI, &title, promptOpts); err != nil {
+		return err
+	}
+
+	// description
+	promptM := &survey.Multiline{Message: "Milestone description:"}
+	if err := survey.AskOne(promptM, &description); err != nil {
+		return err
+	}
+
+	// deadline
+	promptI = &survey.Input{Message: "Milestone deadline [no due date]:"}
+	err = survey.AskOne(
+		promptI,
+		&dueDate,
+		survey.WithValidator(func(input interface{}) error {
+			if str, ok := input.(string); ok {
+				if len(str) == 0 {
+					return nil
+				}
+				t, err := dateparse.ParseAny(str)
+				if err != nil {
+					return err
+				}
+				deadline = &t
+			} else {
+				return fmt.Errorf("invalid result type")
+			}
+			return nil
+		}),
+	)
+
+	if err != nil {
+		return err
+	}
+
+	return task.CreateMilestone(
+		login,
+		owner,
+		repo,
+		title,
+		description,
+		deadline,
+		gitea.StateOpen)
+}