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72 lines
1.6 KiB
Go
72 lines
1.6 KiB
Go
/*
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Copyright 2017-2022 CAcert Inc.
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SPDX-License-Identifier: Apache-2.0
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package handlers
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import (
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"context"
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"encoding/gob"
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"github.com/alexedwards/scs/v2"
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)
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type FlashVariant string
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const (
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flashWarning FlashVariant = "warning"
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flashInfo FlashVariant = "info"
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flashSuccess FlashVariant = "success"
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)
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type FlashMessage struct {
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Variant FlashVariant
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Title string
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Message string
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}
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type FlashHandler struct {
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sessionManager *scs.SessionManager
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}
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func NewFlashes(manager *scs.SessionManager) *FlashHandler {
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gob.Register([]FlashMessage{})
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return &FlashHandler{sessionManager: manager}
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}
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func (f *FlashHandler) addFlash(ctx context.Context, message *FlashMessage) {
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flashes := f.flashes(ctx)
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flashes = append(flashes, *message)
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f.sessionManager.Put(ctx, "flashes", flashes)
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}
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func (f *FlashHandler) flashes(ctx context.Context) []FlashMessage {
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flashInstance := f.sessionManager.Pop(ctx, "flashes")
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if flashInstance != nil {
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flashes, ok := flashInstance.([]FlashMessage)
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if ok {
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return flashes
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}
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}
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return make([]FlashMessage, 0)
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}
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