first commit

service/call/dao/redis.go

@@ -0,0 +1,75 @@
+package dao
+
+import (
+	"fmt"
+	"gitlab.33.cn/chat/dtalk/service/call/model"
+)
+
+const (
+	_prefixCallSession = "session:%d"
+	_prefixCallStatus  = "status:%s"
+)
+
+func keySession(traceId int64) string {
+	return fmt.Sprintf(_prefixCallSession, traceId)
+}
+
+func keyStatus(userId string) string {
+	return fmt.Sprintf(_prefixCallStatus, userId)
+}
+
+// GetSession get session from traceId
+func (d *Dao) GetSession(traceId int64) (*model.Session, error) {
+	key := keySession(traceId)
+	if ok, err := d.redis.Exists(key); err != nil {
+		return nil, err
+	} else if !ok {
+		return nil, model.ErrSessionNotExist
+	}
+
+	res := &model.Session{}
+	if err := d.redis.Read(key, res); err != nil {
+		return nil, err
+	}
+
+	return res, nil
+}
+
+func (d *Dao) SaveSession(session *model.Session) error {
+	key := keySession(session.TraceId)
+	if err := d.redis.Write(key, session, model.SESSIONMAXTIME); err != nil {
+		return err
+	}
+	return nil
+}
+
+// 弃用
+func (d *Dao) GetStatus(userId string) (int, error) {
+	d.redis.RLock()
+	defer d.redis.RUnlock()
+
+	key := keyStatus(userId)
+	if ok, err := d.redis.Exists(key); err != nil {
+		return 0, err
+	} else if !ok {
+		return 0, nil
+	}
+
+	exist, err := d.redis.GetInt(key)
+	if err != nil {
+		return 0, err
+	}
+	return exist, nil
+}
+
+// 弃用
+func (d *Dao) SetStatus(userId string, isBusy int) error {
+	d.redis.Lock()
+	defer d.redis.Unlock()
+
+	key := keyStatus(userId)
+	if err := d.redis.Set(key, isBusy); err != nil {
+		return err
+	}
+	return nil
+}