func (db *serviceClient) Cells(logger lager.Logger) (models.CellSet, error) {
kvPairs, _, err := db.consulClient.KV().List(CellSchemaRoot(), nil)
if err != nil {
bbsErr := models.ConvertError(convertConsulError(err))
if bbsErr.Type != models.Error_ResourceNotFound {
return nil, bbsErr
}
}
if kvPairs == nil {
err = consuladapter.NewPrefixNotFoundError(CellSchemaRoot())
bbsErr := models.ConvertError(convertConsulError(err))
if bbsErr.Type != models.Error_ResourceNotFound {
return nil, bbsErr
}
}
cellPresences := models.NewCellSet()
for _, kvPair := range kvPairs {
if kvPair.Session == "" {
continue
}
cell := kvPair.Value
presence := new(models.CellPresence)
err := models.FromJSON(cell, presence)
if err != nil {
logger.Error("failed-to-unmarshal-cells-json", err)
continue
}
cellPresences.Add(presence)
}
return cellPresences, nil
}
func (db *serviceClient) CurrentBBS(logger lager.Logger) (*models.BBSPresence, error) {
value, err := db.getAcquiredValue(BBSLockSchemaPath())
if err != nil {
return nil, convertConsulError(err)
}
presence := new(models.BBSPresence)
err = models.FromJSON(value, presence)
if err != nil {
return nil, err
}
return presence, nil
}
func (db *serviceClient) CellById(logger lager.Logger, cellId string) (*models.CellPresence, error) {
value, err := db.getAcquiredValue(CellSchemaPath(cellId))
if err != nil {
return nil, convertConsulError(err)
}
presence := new(models.CellPresence)
err = models.FromJSON(value, presence)
if err != nil {
return nil, models.NewError(models.Error_InvalidJSON, err.Error())
}
return presence, nil
}