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77 lines
1.8 KiB
77 lines
1.8 KiB
package syncconnector
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import (
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"bytes"
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"encoding/json"
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"github.com/curusarn/resh/record"
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"io"
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"net/http"
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"strconv"
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"time"
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)
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func (sc SyncConnector) write() error {
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latestRemote, err := sc.latest()
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if err != nil {
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return err
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}
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latestLocal := sc.history.LatestRecordsPerDevice()
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remoteIsOlder := false
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for deviceId, lastLocal := range latestLocal {
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if lastRemote, ok := latestRemote[deviceId]; !ok {
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// Unknown deviceId on the remote - add records have to be sent
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remoteIsOlder = true
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break
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} else if lastLocal > lastRemote {
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remoteIsOlder = true
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break
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}
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}
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if !remoteIsOlder {
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sc.sugar.Debug("No need to sync remote, there are no newer local records")
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return nil
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}
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var toSend []record.V1
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for _, r := range sc.history.DumpRaw() {
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t, err := strconv.ParseFloat(r.Time, 64)
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if err != nil {
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sc.sugar.Warnw("Invalid time for record - skipping", "time", r.Time)
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continue
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}
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l, ok := latestRemote[r.DeviceID]
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if ok && l >= t {
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continue
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}
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sc.sugar.Infow("record is newer", "new", t, "old", l, "id", r.RecordID, "deviceid", r.DeviceID)
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toSend = append(toSend, r)
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}
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client := http.Client{
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Timeout: 3 * time.Second,
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}
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toSendJson, err := json.Marshal(toSend)
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if err != nil {
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sc.sugar.Errorw("converting toSend to JSON failed", "err", err)
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return err
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}
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reqBody := bytes.NewBuffer(toSendJson)
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address := sc.getAddressWithPath(storeEndpoint)
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resp, err := client.Post(address, "application/json", reqBody)
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if err != nil {
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sc.sugar.Errorw("store request failed", "address", address, "err", err)
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return err
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}
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defer func(Body io.ReadCloser) {
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err := Body.Close()
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if err != nil {
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sc.sugar.Errorw("reader close failed", "err", err)
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}
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}(resp.Body)
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sc.sugar.Debugw("store call", "status", resp.Status)
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return nil
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}
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