/
utils.go
90 lines (71 loc) · 2.15 KB
/
utils.go
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package client
import (
"context"
"encoding/json"
"fmt"
"io"
"net/http"
"github.com/EventStore/EventStore-Client-Go/v3/esdb"
log "github.com/sirupsen/logrus"
)
func (client *EventStoreStatsClient) esHTTPGet(ctx context.Context, path string, acceptNotFound bool) (result []byte, err error) {
url := client.config.EventStoreURL + path
log.WithField("url", url).Debug("GET request to EventStore")
req, _ := http.NewRequestWithContext(ctx, http.MethodGet, url, nil)
if client.config.EventStoreUser != "" && client.config.EventStorePassword != "" {
req.SetBasicAuth(client.config.EventStoreUser, client.config.EventStorePassword)
}
req.Header.Add("Accept", "application/json")
response, err := client.httpClient.Do(req)
if err != nil {
return nil, err
}
defer response.Body.Close()
if response.StatusCode == 404 && acceptNotFound {
return nil, nil
}
if response.StatusCode >= 400 {
return nil, fmt.Errorf("HTTP call to %s resulted in status code %d", url, response.StatusCode)
}
buf, err := io.ReadAll(response.Body)
if err != nil {
return nil, err
}
return buf, nil
}
func esHTTPGetAndParse[TResponse any](ctx context.Context, client *EventStoreStatsClient, path string, acceptNotFound bool) (TResponse, error) {
var response TResponse
jsonBytes, err := client.esHTTPGet(ctx, path, acceptNotFound)
if err != nil || jsonBytes == nil {
return response, err
}
err = json.Unmarshal(jsonBytes, &response)
if err != nil {
return response, err
}
return response, nil
}
func readSingleEvent(ctx context.Context, grpcClient *esdb.Client, stream string, options esdb.ReadStreamOptions) (*esdb.ResolvedEvent, error) {
read, err := grpcClient.ReadStream(ctx, stream, options, 1)
if err != nil {
return nil, err
}
defer read.Close()
event, err := read.Recv()
if err != nil {
return nil, err
}
return event, nil
}
func readSingleEventFromAll(ctx context.Context, grpcClient *esdb.Client, options esdb.ReadAllOptions) (*esdb.ResolvedEvent, error) {
read, err := grpcClient.ReadAll(ctx, options, 1)
if err != nil {
return nil, err
}
defer read.Close()
event, err := read.Recv()
if err != nil {
return nil, err
}
return event, nil
}