forgejo/routers/repo/issue_watch.go

// Copyright 2017 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 repo

import (
	"fmt"
	"net/http"
	"strconv"

	"code.gitea.io/gitea/models"
	"code.gitea.io/gitea/modules/context"
)

// IssueWatch sets issue watching
func IssueWatch(c *context.Context) {
	watch, err := strconv.ParseBool(c.Req.PostForm.Get("watch"))
	if err != nil {
		c.ServerError("watch is not bool", err)
		return
	}

	issue := GetActionIssue(c)
	if c.Written() {
		return
	}

	if err := models.CreateOrUpdateIssueWatch(c.User.ID, issue.ID, watch); err != nil {
		c.ServerError("CreateOrUpdateIssueWatch", err)
		return
	}

	url := fmt.Sprintf("%s/issues/%d", c.Repo.RepoLink, issue.Index)
	c.Redirect(url, http.StatusSeeOther)
}