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_lock.go

@@ -0,0 +1,72 @@
+// Copyright 2019 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"
+
+	"code.gitea.io/gitea/models"
+	"code.gitea.io/gitea/modules/context"
+	"code.gitea.io/gitea/modules/web"
+	"code.gitea.io/gitea/services/forms"
+)
+
+// LockIssue locks an issue. This would limit commenting abilities to
+// users with write access to the repo.
+func LockIssue(ctx *context.Context) {
+	form := web.GetForm(ctx).(*forms.IssueLockForm)
+	issue := GetActionIssue(ctx)
+	if ctx.Written() {
+		return
+	}
+
+	if issue.IsLocked {
+		ctx.Flash.Error(ctx.Tr("repo.issues.lock_duplicate"))
+		ctx.Redirect(issue.HTMLURL())
+		return
+	}
+
+	if !form.HasValidReason() {
+		ctx.Flash.Error(ctx.Tr("repo.issues.lock.unknown_reason"))
+		ctx.Redirect(issue.HTMLURL())
+		return
+	}
+
+	if err := models.LockIssue(&models.IssueLockOptions{
+		Doer:   ctx.User,
+		Issue:  issue,
+		Reason: form.Reason,
+	}); err != nil {
+		ctx.ServerError("LockIssue", err)
+		return
+	}
+
+	ctx.Redirect(issue.HTMLURL(), http.StatusSeeOther)
+}
+
+// UnlockIssue unlocks a previously locked issue.
+func UnlockIssue(ctx *context.Context) {
+
+	issue := GetActionIssue(ctx)
+	if ctx.Written() {
+		return
+	}
+
+	if !issue.IsLocked {
+		ctx.Flash.Error(ctx.Tr("repo.issues.unlock_error"))
+		ctx.Redirect(issue.HTMLURL())
+		return
+	}
+
+	if err := models.UnlockIssue(&models.IssueLockOptions{
+		Doer:  ctx.User,
+		Issue: issue,
+	}); err != nil {
+		ctx.ServerError("UnlockIssue", err)
+		return
+	}
+
+	ctx.Redirect(issue.HTMLURL(), http.StatusSeeOther)
+}