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Add a very simple usage-example for sending server side events

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Former-commit-id: 6df287d915a772bcae3f2f98445676aba39a2bc6
This commit is contained in:
Gerasimos Maropoulos
2018-04-10 21:01:24 +03:00
parent 989cb3f045
commit cb69df2ccf
7 changed files with 105 additions and 62 deletions
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55
sessions/session.go
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@@ -366,11 +366,11 @@ func (s *Session) GetBooleanDefault(key string, defaultValue bool) bool {
// GetAll returns a copy of all session's values.
func (s *Session) GetAll() map[string]interface{} {
items := make(map[string]interface{}, len(s.values))
items := make(map[string]interface{}, s.values.Len())
s.mu.RLock()
for _, kv := range s.values {
items[kv.Key] = kv.Value()
}
s.values.Visit(func(key string, value interface{}) {
items[key] = value
})
s.mu.RUnlock()
return items
}
@@ -394,7 +394,6 @@ func (s *Session) VisitAll(cb func(k string, v interface{})) {
}
func (s *Session) set(key string, value interface{}, immutable bool) {
action := ActionCreate // defaults to create, means the first insert.
isFirst := s.values.Len() == 0
entry, isNew := s.values.Save(key, value, immutable)
@@ -403,25 +402,25 @@ func (s *Session) set(key string, value interface{}, immutable bool) {
s.isNew = false
s.mu.Unlock()
if !isFirst {
// we could use s.isNew
// which is setted at sessions.go#Start when values are empty
// but here we want the specific key-value pair's state.
if isNew {
action = ActionInsert
} else {
action = ActionUpdate
if len(s.provider.databases) > 0 {
action := ActionCreate // defaults to create, means the first insert.
if !isFirst {
// we could use s.isNew
// which is setted at sessions.go#Start when values are empty
// but here we want the specific key-value pair's state.
if isNew {
action = ActionInsert
} else {
action = ActionUpdate
}
}
p := newSyncPayload(s, action)
p.Value = entry
syncDatabases(s.provider.databases, p)
}
/// TODO: remove the expireAt pointer, wtf, we could use zero time instead,
// that was not my commit so I will ask for permission first...
// rename the expireAt to expiresAt, it seems to make more sense to me
p := acquireSyncPayload(s, action)
p.Value = entry
syncDatabases(s.provider.databases, p)
}
// Set fills the session with an entry "value", based on its "key".
@@ -475,9 +474,11 @@ func (s *Session) Delete(key string) bool {
}
s.mu.Unlock()
p := acquireSyncPayload(s, ActionDelete)
p.Value = memstore.Entry{Key: key}
syncDatabases(s.provider.databases, p)
if len(s.provider.databases) > 0 {
p := newSyncPayload(s, ActionDelete)
p.Value = memstore.Entry{Key: key}
syncDatabases(s.provider.databases, p)
}
return removed
}
@@ -496,8 +497,10 @@ func (s *Session) Clear() {
s.isNew = false
s.mu.Unlock()
p := acquireSyncPayload(s, ActionClear)
syncDatabases(s.provider.databases, p)
if len(s.provider.databases) > 0 {
p := newSyncPayload(s, ActionClear)
syncDatabases(s.provider.databases, p)
}
}
// ClearFlashes removes all flash messages.