~netlandish/gobwebs

f2d97e9c1c1c90f681914ee3043dd70fc09aa5c5 — Peter Sanchez 7 months ago 582da32
Moving away from dumb messages implementation. Now using simple json
1 files changed, 20 insertions(+), 23 deletions(-)

M messages/messages.go
M messages/messages.go => messages/messages.go +20 -23
@@ 1,8 1,7 @@
package messages

import (
	"encoding/gob"
	"sync"
	"encoding/json"

	"github.com/labstack/echo/v4"
	"netlandish.com/x/gobwebs/server"


@@ 23,45 22,31 @@ const (
)

// UserSessionKey session key to store User object
var UserSessionKey string = "gobwebs.UserSession"
var UserSessionKey = "gobwebs.UserSession"

// WebMessage is a message to display to a user
type WebMessage struct {
	Level   int // 1 debug, 2 info, 3 success, 4 warn, 5 error
	Message string
	Level   int    `json:"level"` // 1 debug, 2 info, 3 success, 4 warn, 5 error
	Message string `json:"message"`
}

// WebMessageStore is the wrapper for messages
type WebMessageStore struct {
	lock     sync.Mutex
	Messages []*WebMessage
}

func init() {
	gob.Register(WebMessage{})
	gob.Register(WebMessageStore{})
	Messages []*WebMessage `json:"messages"`
}

// Clear clears out all messages
func (w *WebMessageStore) Clear(lock bool) {
	if !lock {
		w.lock.Lock()
		defer w.lock.Unlock()
	}
	w.Messages = []*WebMessage{}
}

// Add adds a message
func (w *WebMessageStore) Add(m *WebMessage) {
	w.lock.Lock()
	defer w.lock.Unlock()
	w.Messages = append(w.Messages, m)
}

// GetAll returns all messages, clears messages after
func (w *WebMessageStore) GetAll() []*WebMessage {
	w.lock.Lock()
	defer w.lock.Unlock()
	msgs := make([]*WebMessage, len(w.Messages))
	copy(msgs, w.Messages)
	w.Clear(true)


@@ 71,17 56,29 @@ func (w *WebMessageStore) GetAll() []*WebMessage {
// LoadStore loads the session message store
func LoadStore(c echo.Context) *WebMessageStore {
	ctx := c.(*server.Context)
	ms, ok := ctx.Server.Session.Get(ctx.Request().Context(), UserSessionKey).(WebMessageStore)
	if !ok {
	data := ctx.Server.Session.GetBytes(ctx.Request().Context(), UserSessionKey)
	if data == nil {
		return &WebMessageStore{}
	}

	var ms WebMessageStore
	if err := json.Unmarshal(data, &ms); err != nil {
		// XXX Log errors
		return &WebMessageStore{}
	}

	return &ms
}

// SaveStore saves messages store in session
func SaveStore(c echo.Context, ms *WebMessageStore) {
	ctx := c.(*server.Context)
	ctx.Server.Session.Put(ctx.Request().Context(), UserSessionKey, ms)
	data, err := json.Marshal(ms)
	if err != nil {
		// XXX Need logging or error returning
		return
	}
	ctx.Server.Session.Put(ctx.Request().Context(), UserSessionKey, data)
}

// Add adds a message to the messate store