func statusHistory(args *statusHistoryArgs) ([]status.StatusInfo, error) {
filter := args.filter
if err := args.filter.Validate(); err != nil {
return nil, errors.Annotate(err, "validating arguments")
}
statusHistory, closer := args.st.getCollection(statusesHistoryC)
defer closer()
var (
docs []historicalStatusDoc
query mongo.Query
)
baseQuery := bson.M{"globalkey": args.globalKey}
if filter.Delta != nil {
delta := *filter.Delta
// TODO(perrito666) 2016-05-02 lp:1558657
updated := time.Now().Add(-delta)
baseQuery = bson.M{"updated": bson.M{"$gt": updated.UnixNano()}, "globalkey": args.globalKey}
}
if filter.Date != nil {
baseQuery = bson.M{"updated": bson.M{"$gt": filter.Date.UnixNano()}, "globalkey": args.globalKey}
}
query = statusHistory.Find(baseQuery).Sort("-updated")
if filter.Size > 0 {
query = query.Limit(filter.Size)
}
err := query.All(&docs)
if err == mgo.ErrNotFound {
return []status.StatusInfo{}, errors.NotFoundf("status history")
} else if err != nil {
return []status.StatusInfo{}, errors.Annotatef(err, "cannot get status history")
}
results := make([]status.StatusInfo, len(docs))
for i, doc := range docs {
results[i] = status.StatusInfo{
Status: doc.Status,
Message: doc.StatusInfo,
Data: utils.UnescapeKeys(doc.StatusData),
Since: unixNanoToTime(doc.Updated),
}
}
return results, nil
}
