/
subscription.go
109 lines (98 loc) · 3.54 KB
/
subscription.go
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package handler
import (
"context"
"net/http"
"github.com/go-chi/chi"
"github.com/go-chi/render"
"github.com/moira-alert/moira"
"github.com/moira-alert/moira/api"
"github.com/moira-alert/moira/api/controller"
"github.com/moira-alert/moira/api/dto"
"github.com/moira-alert/moira/api/middleware"
)
func subscription(router chi.Router) {
router.Get("/", getUserSubscriptions)
router.Put("/", createSubscription)
router.Route("/{subscriptionId}", func(router chi.Router) {
router.Use(middleware.SubscriptionContext)
router.Use(subscriptionFilter)
router.Put("/", updateSubscription)
router.Delete("/", removeSubscription)
router.Put("/test", sendTestNotification)
})
}
func getUserSubscriptions(writer http.ResponseWriter, request *http.Request) {
userLogin := middleware.GetLogin(request)
contacts, err := controller.GetUserSubscriptions(database, userLogin)
if err != nil {
render.Render(writer, request, err)
return
}
if err := render.Render(writer, request, contacts); err != nil {
render.Render(writer, request, api.ErrorRender(err))
return
}
}
func createSubscription(writer http.ResponseWriter, request *http.Request) {
subscription := &dto.Subscription{}
if err := render.Bind(request, subscription); err != nil {
render.Render(writer, request, api.ErrorInvalidRequest(err))
return
}
userLogin := middleware.GetLogin(request)
if err := controller.CreateSubscription(database, userLogin, subscription); err != nil {
render.Render(writer, request, err)
return
}
if err := render.Render(writer, request, subscription); err != nil {
render.Render(writer, request, api.ErrorRender(err))
return
}
}
// subscriptionFilter is middleware for check subscription existence and user permissions
func subscriptionFilter(next http.Handler) http.Handler {
return http.HandlerFunc(func(writer http.ResponseWriter, request *http.Request) {
contactID := middleware.GetSubscriptionID(request)
userLogin := middleware.GetLogin(request)
subscriptionData, err := controller.CheckUserPermissionsForSubscription(database, contactID, userLogin)
if err != nil {
render.Render(writer, request, err)
return
}
ctx := context.WithValue(request.Context(), subscriptionKey, subscriptionData)
next.ServeHTTP(writer, request.WithContext(ctx))
})
}
func updateSubscription(writer http.ResponseWriter, request *http.Request) {
subscription := &dto.Subscription{}
if err := render.Bind(request, subscription); err != nil {
switch err.(type) {
case dto.ErrProvidedContactsForbidden:
render.Render(writer, request, api.ErrorForbidden(err.Error()))
default:
render.Render(writer, request, api.ErrorInvalidRequest(err))
}
return
}
subscriptionData := request.Context().Value(subscriptionKey).(moira.SubscriptionData)
if err := controller.UpdateSubscription(database, subscriptionData.ID, subscriptionData.User, subscription); err != nil {
render.Render(writer, request, err)
return
}
if err := render.Render(writer, request, subscription); err != nil {
render.Render(writer, request, api.ErrorRender(err))
return
}
}
func removeSubscription(writer http.ResponseWriter, request *http.Request) {
subscriptionID := middleware.GetSubscriptionID(request)
if err := controller.RemoveSubscription(database, subscriptionID); err != nil {
render.Render(writer, request, err)
}
}
func sendTestNotification(writer http.ResponseWriter, request *http.Request) {
subscriptionID := middleware.GetSubscriptionID(request)
if err := controller.SendTestNotification(database, subscriptionID); err != nil {
render.Render(writer, request, err)
}
}