Refactor routers directory (#15800)

* refactor routers directory

* move func used for web and api to common

* make corsHandler a function to prohibit side efects

* rm unused func

Co-authored-by: 6543 <6543@obermui.de>

routers/web/repo/issue_stopwatch.go

@@ -0,0 +1,108 @@
+// 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 (
+	"net/http"
+	"strings"
+
+	"code.gitea.io/gitea/models"
+	"code.gitea.io/gitea/modules/context"
+)
+
+// IssueStopwatch creates or stops a stopwatch for the given issue.
+func IssueStopwatch(c *context.Context) {
+	issue := GetActionIssue(c)
+	if c.Written() {
+		return
+	}
+
+	var showSuccessMessage bool
+
+	if !models.StopwatchExists(c.User.ID, issue.ID) {
+		showSuccessMessage = true
+	}
+
+	if !c.Repo.CanUseTimetracker(issue, c.User) {
+		c.NotFound("CanUseTimetracker", nil)
+		return
+	}
+
+	if err := models.CreateOrStopIssueStopwatch(c.User, issue); err != nil {
+		c.ServerError("CreateOrStopIssueStopwatch", err)
+		return
+	}
+
+	if showSuccessMessage {
+		c.Flash.Success(c.Tr("repo.issues.tracker_auto_close"))
+	}
+
+	url := issue.HTMLURL()
+	c.Redirect(url, http.StatusSeeOther)
+}
+
+// CancelStopwatch cancel the stopwatch
+func CancelStopwatch(c *context.Context) {
+	issue := GetActionIssue(c)
+	if c.Written() {
+		return
+	}
+	if !c.Repo.CanUseTimetracker(issue, c.User) {
+		c.NotFound("CanUseTimetracker", nil)
+		return
+	}
+
+	if err := models.CancelStopwatch(c.User, issue); err != nil {
+		c.ServerError("CancelStopwatch", err)
+		return
+	}
+
+	url := issue.HTMLURL()
+	c.Redirect(url, http.StatusSeeOther)
+}
+
+// GetActiveStopwatch is the middleware that sets .ActiveStopwatch on context
+func GetActiveStopwatch(c *context.Context) {
+	if strings.HasPrefix(c.Req.URL.Path, "/api") {
+		return
+	}
+
+	if !c.IsSigned {
+		return
+	}
+
+	_, sw, err := models.HasUserStopwatch(c.User.ID)
+	if err != nil {
+		c.ServerError("HasUserStopwatch", err)
+		return
+	}
+
+	if sw == nil || sw.ID == 0 {
+		return
+	}
+
+	issue, err := models.GetIssueByID(sw.IssueID)
+	if err != nil || issue == nil {
+		c.ServerError("GetIssueByID", err)
+		return
+	}
+	if err = issue.LoadRepo(); err != nil {
+		c.ServerError("LoadRepo", err)
+		return
+	}
+
+	c.Data["ActiveStopwatch"] = StopwatchTmplInfo{
+		issue.Repo.FullName(),
+		issue.Index,
+		sw.Seconds() + 1, // ensure time is never zero in ui
+	}
+}
+
+// StopwatchTmplInfo is a view on a stopwatch specifically for template rendering
+type StopwatchTmplInfo struct {
+	RepoSlug   string
+	IssueIndex int64
+	Seconds    int64
+}