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8 Commits
3 changed files with 40 additions and 26 deletions
+5
View File
@@ -106,3 +106,8 @@ func (b *BaseClient) enableCache() {
b.Logger.Error(b, "Error while creating cache client;", "error", err.Error()) b.Logger.Error(b, "Error while creating cache client;", "error", err.Error())
} }
} }
func (b *BaseClient) disableCache() {
b.cache.enabled = false
b.cache.client = nil
}
+34 -25
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@@ -73,58 +73,66 @@ func (c *BaseClient) Query(queryContent string, queryVariables interface{}, quer
var queryHash string var queryHash string
var cachedResponse []byte var cachedResponse []byte
cbc := reflect.ValueOf(*c).Interface().(BaseClient) query := c.NewQuery(queryContent, queryVariables)
cacheBaseClient := &cbc
query := cacheBaseClient.NewQuery(queryContent, queryVariables) localClientlocal := *c
localClient := &localClientlocal
// Check for library specific headers // Check for library specific headers
if len(queryHeaders) > 0 { if len(queryHeaders) > 0 {
queryHeadersModified := cacheBaseClient.parseQueryHeaders(queryHeaders) queryHeadersModified, cache_enabled := c.parseQueryHeaders(queryHeaders)
// compare if there are any changes
if !reflect.DeepEqual(queryHeadersModified, queryHeaders) { if !reflect.DeepEqual(queryHeadersModified, queryHeaders) {
if cacheBaseClient.cache.enabled != c.cache.enabled && cacheBaseClient.cache.enabled { if queryHeadersModified["gqlcache"] != nil && c.cache.enabled != cache_enabled {
cacheBaseClient.Logger.Debug(cacheBaseClient, "Switching cache on as per single-request header") c.Logger.Debug(c, "Switching cache on as per single-request header")
cacheBaseClient.enableCache()
// Create a new BaseClient instance with the same settings as c, but with the cache enabled/disabled as required
if cache_enabled {
localClient.enableCache()
} else {
localClient.disableCache()
}
} }
} }
} }
if cacheBaseClient.cache.enabled { if localClient.cache.enabled {
queryHash = strutil.Md5(fmt.Sprintf("%s-%+v", query.compiledQuery, queryHeaders)) queryHash = strutil.Md5(fmt.Sprintf("%s-%+v", query.compiledQuery, queryHeaders))
cacheBaseClient.Logger.Debug(cacheBaseClient, "Hash calculated;", "hash:", queryHash) c.Logger.Debug(c, "Hash calculated;", "hash:", queryHash)
cachedResponse = c.cacheLookup(queryHash) cachedResponse = c.cacheLookup(queryHash)
if cachedResponse != nil { if cachedResponse != nil {
cacheBaseClient.Logger.Debug(cacheBaseClient, "Found cached response") c.Logger.Debug(c, "Found cached response")
return cacheBaseClient.decodeResponse(cachedResponse), nil return c.decodeResponse(cachedResponse), nil
} else { } else {
cacheBaseClient.Logger.Debug(cacheBaseClient, "No cached response found") c.Logger.Debug(c, "No cached response found")
} }
} }
response, err := cacheBaseClient.executeQuery(query.compiledQuery, queryHeaders) response, err := localClient.executeQuery(query.compiledQuery, queryHeaders)
if err != nil { if err != nil {
cacheBaseClient.Logger.Error(cacheBaseClient, "Error while executing query;", "error", err.Error()) c.Logger.Error(c, "Error while executing query;", "error", err.Error())
return nil, err return nil, err
} }
jsonData, err := json.Marshal(response) jsonData, err := json.Marshal(response)
if err != nil { if err != nil {
cacheBaseClient.Logger.Error(cacheBaseClient, "Error while converting to json;", "error", err.Error()) c.Logger.Error(c, "Error while converting to json;", "error", err.Error())
return nil, err return nil, err
} }
if cacheBaseClient.cache.enabled && jsonData != nil && queryHash != "" { if localClient.cache.enabled && jsonData != nil && queryHash != "" {
c.cache.client.Set(queryHash, jsonData) err = c.cache.client.Set(queryHash, jsonData)
} else if jsonData == nil { if err != nil {
cacheBaseClient.Logger.Warn(cacheBaseClient, "Response is empty") c.Logger.Error(c, "Error while setting cache key;", "error", err.Error())
} else if queryHash == "" { }
cacheBaseClient.Logger.Warn(cacheBaseClient, "Query hash is empty") } else if localClient.cache.enabled && c.cache.enabled && jsonData == nil {
c.Logger.Warn(c, "Response is empty")
} else if localClient.cache.enabled && c.cache.enabled && queryHash == "" {
c.Logger.Warn(c, "Query hash is empty")
} }
return cacheBaseClient.decodeResponse(jsonData), err return c.decodeResponse(jsonData), err
} }
func (c *BaseClient) decodeResponse(jsonData []byte) any { func (c *BaseClient) decodeResponse(jsonData []byte) any {
@@ -147,11 +155,12 @@ func (c *BaseClient) decodeResponse(jsonData []byte) any {
} }
} }
func (c *BaseClient) parseQueryHeaders(queryHeaders map[string]interface{}) (returnHeaders map[string]interface{}) { func (c *BaseClient) parseQueryHeaders(queryHeaders map[string]interface{}) (returnHeaders map[string]interface{}, cache_enabled bool) {
returnHeaders = make(map[string]interface{}) returnHeaders = make(map[string]interface{})
for k, v := range queryHeaders { for k, v := range queryHeaders {
if k == "gqlcache" { if k == "gqlcache" {
c.cache.enabled, _ = strconv.ParseBool(fmt.Sprintf("%v", v)) c.cache.enabled, _ = strconv.ParseBool(fmt.Sprintf("%v", v))
cache_enabled = true
continue continue
} }
if k == "gqlretries" { if k == "gqlretries" {
@@ -160,5 +169,5 @@ func (c *BaseClient) parseQueryHeaders(queryHeaders map[string]interface{}) (ret
} }
returnHeaders[k] = v returnHeaders[k] = v
} }
return returnHeaders return returnHeaders, cache_enabled
} }
+1 -1
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@@ -334,7 +334,7 @@ func TestBaseClient_parseQueryHeaders(t *testing.T) {
for _, tt := range tests { for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) { t.Run(tt.name, func(t *testing.T) {
c := NewConnection() c := NewConnection()
if gotReturnHeaders := c.parseQueryHeaders(tt.args.queryHeaders); !reflect.DeepEqual(gotReturnHeaders, tt.wantReturnHeaders) { if gotReturnHeaders, _ := c.parseQueryHeaders(tt.args.queryHeaders); !reflect.DeepEqual(gotReturnHeaders, tt.wantReturnHeaders) {
t.Errorf("BaseClient.parseQueryHeaders() = %v, want %v", gotReturnHeaders, tt.wantReturnHeaders) t.Errorf("BaseClient.parseQueryHeaders() = %v, want %v", gotReturnHeaders, tt.wantReturnHeaders)
} }
}) })