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/org/org_labels.go

@@ -0,0 +1,112 @@
+// 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 org
+
+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"
+)
+
+// RetrieveLabels find all the labels of an organization
+func RetrieveLabels(ctx *context.Context) {
+	labels, err := models.GetLabelsByOrgID(ctx.Org.Organization.ID, ctx.Query("sort"), models.ListOptions{})
+	if err != nil {
+		ctx.ServerError("RetrieveLabels.GetLabels", err)
+		return
+	}
+	for _, l := range labels {
+		l.CalOpenIssues()
+	}
+	ctx.Data["Labels"] = labels
+	ctx.Data["NumLabels"] = len(labels)
+	ctx.Data["SortType"] = ctx.Query("sort")
+}
+
+// NewLabel create new label for organization
+func NewLabel(ctx *context.Context) {
+	form := web.GetForm(ctx).(*forms.CreateLabelForm)
+	ctx.Data["Title"] = ctx.Tr("repo.labels")
+	ctx.Data["PageIsLabels"] = true
+
+	if ctx.HasError() {
+		ctx.Flash.Error(ctx.Data["ErrorMsg"].(string))
+		ctx.Redirect(ctx.Org.OrgLink + "/settings/labels")
+		return
+	}
+
+	l := &models.Label{
+		OrgID:       ctx.Org.Organization.ID,
+		Name:        form.Title,
+		Description: form.Description,
+		Color:       form.Color,
+	}
+	if err := models.NewLabel(l); err != nil {
+		ctx.ServerError("NewLabel", err)
+		return
+	}
+	ctx.Redirect(ctx.Org.OrgLink + "/settings/labels")
+}
+
+// UpdateLabel update a label's name and color
+func UpdateLabel(ctx *context.Context) {
+	form := web.GetForm(ctx).(*forms.CreateLabelForm)
+	l, err := models.GetLabelInOrgByID(ctx.Org.Organization.ID, form.ID)
+	if err != nil {
+		switch {
+		case models.IsErrOrgLabelNotExist(err):
+			ctx.Error(http.StatusNotFound)
+		default:
+			ctx.ServerError("UpdateLabel", err)
+		}
+		return
+	}
+
+	l.Name = form.Title
+	l.Description = form.Description
+	l.Color = form.Color
+	if err := models.UpdateLabel(l); err != nil {
+		ctx.ServerError("UpdateLabel", err)
+		return
+	}
+	ctx.Redirect(ctx.Org.OrgLink + "/settings/labels")
+}
+
+// DeleteLabel delete a label
+func DeleteLabel(ctx *context.Context) {
+	if err := models.DeleteLabel(ctx.Org.Organization.ID, ctx.QueryInt64("id")); err != nil {
+		ctx.Flash.Error("DeleteLabel: " + err.Error())
+	} else {
+		ctx.Flash.Success(ctx.Tr("repo.issues.label_deletion_success"))
+	}
+
+	ctx.JSON(http.StatusOK, map[string]interface{}{
+		"redirect": ctx.Org.OrgLink + "/settings/labels",
+	})
+}
+
+// InitializeLabels init labels for an organization
+func InitializeLabels(ctx *context.Context) {
+	form := web.GetForm(ctx).(*forms.InitializeLabelsForm)
+	if ctx.HasError() {
+		ctx.Redirect(ctx.Repo.RepoLink + "/labels")
+		return
+	}
+
+	if err := models.InitializeLabels(models.DefaultDBContext(), ctx.Org.Organization.ID, form.TemplateName, true); err != nil {
+		if models.IsErrIssueLabelTemplateLoad(err) {
+			originalErr := err.(models.ErrIssueLabelTemplateLoad).OriginalError
+			ctx.Flash.Error(ctx.Tr("repo.issues.label_templates.fail_to_load_file", form.TemplateName, originalErr))
+			ctx.Redirect(ctx.Org.OrgLink + "/settings/labels")
+			return
+		}
+		ctx.ServerError("InitializeLabels", err)
+		return
+	}
+	ctx.Redirect(ctx.Org.OrgLink + "/settings/labels")
+}