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Fix concurrency issue.

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lukaszraczylo
2023-04-08 03:01:19 +01:00
parent cf3076d701
commit b8044c5d67
2 changed files with 102 additions and 25 deletions
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query.go
+28 -25
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@@ -70,51 +70,54 @@ func (c *BaseClient) NewQuery(q ...any) *Query {
// It looks a bit weird because of the backward compatibility
func (c *BaseClient) Query(queryContent string, queryVariables interface{}, queryHeaders map[string]interface{}) (any, error) {
query := c.NewQuery(queryContent, queryVariables)
var queryHash string
var cachedResponse []byte
var cacheBaseClient BaseClient
cbc := reflect.ValueOf(*c).Interface().(BaseClient)
cacheBaseClient := &cbc
query := cacheBaseClient.NewQuery(queryContent, queryVariables)
// Check for library specific headers
if len(queryHeaders) > 0 {
cacheBaseClient = reflect.ValueOf(*c).Interface().(BaseClient)
queryHeaders = c.parseQueryHeaders(queryHeaders)
defer func() {
*c = cacheBaseClient
}()
}
queryHeadersModified := c.parseQueryHeaders(queryHeaders)
// compare if there are any changes
if c.cache.enabled {
queryHash = strutil.Md5(fmt.Sprintf("%s-%+v", query.compiledQuery, queryHeaders))
c.Logger.Debug(c, "Hash calculated;", "hash:", queryHash)
cachedResponse = c.cacheLookup(queryHash)
if cachedResponse != nil {
c.Logger.Debug(c, "Found cached response")
return c.decodeResponse(cachedResponse), nil
} else {
c.Logger.Debug(c, "No cached response found")
if !reflect.DeepEqual(queryHeadersModified, queryHeaders) {
cacheBaseClient.Logger.Debug(cacheBaseClient, "Headers modified, creating a new client")
}
}
response, err := c.executeQuery(query.compiledQuery, queryHeaders)
if cacheBaseClient.cache.enabled {
queryHash = strutil.Md5(fmt.Sprintf("%s-%+v", query.compiledQuery, queryHeaders))
cacheBaseClient.Logger.Debug(cacheBaseClient, "Hash calculated;", "hash:", queryHash)
cachedResponse = cacheBaseClient.cacheLookup(queryHash)
if cachedResponse != nil {
cacheBaseClient.Logger.Debug(cacheBaseClient, "Found cached response")
return cacheBaseClient.decodeResponse(cachedResponse), nil
} else {
cacheBaseClient.Logger.Debug(cacheBaseClient, "No cached response found")
}
}
response, err := cacheBaseClient.executeQuery(query.compiledQuery, queryHeaders)
if err != nil {
c.Logger.Error(c, "Error while executing query;", "error", err.Error())
cacheBaseClient.Logger.Error(cacheBaseClient, "Error while executing query;", "error", err.Error())
return nil, err
}
jsonData, err := json.Marshal(response)
if err != nil {
c.Logger.Error(c, "Error while converting to json;", "error", err.Error())
cacheBaseClient.Logger.Error(cacheBaseClient, "Error while converting to json;", "error", err.Error())
return nil, err
}
if c.cache.enabled {
c.cache.client.Set(queryHash, jsonData)
if cacheBaseClient.cache.enabled {
cacheBaseClient.cache.client.Set(queryHash, jsonData)
}
return c.decodeResponse(jsonData), err
return cacheBaseClient.decodeResponse(jsonData), err
}
func (c *BaseClient) decodeResponse(jsonData []byte) any {