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Issue #20: create a new module to make it more easily testable
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,111 @@ | ||
| package quickwit | ||
|
|
||
| import ( | ||
| "encoding/json" | ||
| "errors" | ||
| "fmt" | ||
| "io" | ||
| "net/http" | ||
| ) | ||
|
|
||
| type QuickwitMapping struct { | ||
| IndexConfig struct { | ||
| DocMapping struct { | ||
| TimestampField string `json:"timestamp_field"` | ||
| FieldMappings []FieldMappings `json:"field_mappings"` | ||
| } `json:"doc_mapping"` | ||
| } `json:"index_config"` | ||
| } | ||
|
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| type QuickwitCreationErrorPayload struct { | ||
| Message string `json:"message"` | ||
| StatusCode int `json:"status"` | ||
| } | ||
|
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| func NewErrorCreationPayload(statusCode int, message string) error { | ||
| var payload QuickwitCreationErrorPayload | ||
| payload.Message = message | ||
| payload.StatusCode = statusCode | ||
| json, err := json.Marshal(payload) | ||
| if nil != err { | ||
| return err | ||
| } | ||
|
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| return errors.New(string(json)) | ||
| } | ||
|
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| func FindTimeStampFormat(timestampFieldName string, parentName *string, fieldMappings []FieldMappings) *string { | ||
| if nil == fieldMappings { | ||
| return nil | ||
| } | ||
|
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| for _, field := range fieldMappings { | ||
| fieldName := field.Name | ||
| if nil != parentName { | ||
| fieldName = fmt.Sprintf("%s.%s", *parentName, fieldName) | ||
| } | ||
|
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| if field.Type == "datetime" && fieldName == timestampFieldName && nil != field.OutputFormat { | ||
| return field.OutputFormat | ||
| } else if field.Type == "object" && nil != field.FieldMappings { | ||
| format := FindTimeStampFormat(timestampFieldName, &field.Name, field.FieldMappings) | ||
| if nil != format { | ||
| return format | ||
| } | ||
| } | ||
| } | ||
|
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| return nil | ||
| } | ||
|
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| func DecodeTimestampFieldInfos(statusCode int, body []byte) (string, string, error) { | ||
| var payload QuickwitMapping | ||
| err := json.Unmarshal(body, &payload) | ||
|
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| if err != nil { | ||
| errMsg := fmt.Sprintf("Unmarshalling body error: err = %s, body = %s", err.Error(), (body)) | ||
| qwlog.Error(errMsg) | ||
| return "", "", NewErrorCreationPayload(statusCode, errMsg) | ||
| } | ||
|
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| timestampFieldName := payload.IndexConfig.DocMapping.TimestampField | ||
| timestampFieldFormat := FindTimeStampFormat(timestampFieldName, nil, payload.IndexConfig.DocMapping.FieldMappings) | ||
|
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| if nil == timestampFieldFormat { | ||
| errMsg := fmt.Sprintf("No format found for field: %s", string(timestampFieldName)) | ||
| qwlog.Error(errMsg) | ||
| return timestampFieldName, "", NewErrorCreationPayload(statusCode, errMsg) | ||
| } | ||
|
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| qwlog.Info(fmt.Sprintf("Found timestampFieldName = %s, timestampFieldFormat = %s", timestampFieldName, *timestampFieldFormat)) | ||
| return timestampFieldName, *timestampFieldFormat, nil | ||
| } | ||
|
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| func GetTimestampFieldInfos(index string, qwUrl string, cli *http.Client) (string, string, error) { | ||
| mappingEndpointUrl := qwUrl + "/indexes/" + index | ||
| qwlog.Info("Calling quickwit endpoint: " + mappingEndpointUrl) | ||
| r, err := cli.Get(mappingEndpointUrl) | ||
| if err != nil { | ||
| errMsg := fmt.Sprintf("Error when calling url = %s: err = %s", mappingEndpointUrl, err.Error()) | ||
| qwlog.Error(errMsg) | ||
| return "", "", err | ||
| } | ||
|
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| statusCode := r.StatusCode | ||
|
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| if statusCode < 200 || statusCode >= 400 { | ||
| errMsg := fmt.Sprintf("Error when calling url = %s", mappingEndpointUrl) | ||
| qwlog.Error(errMsg) | ||
| return "", "", NewErrorCreationPayload(statusCode, errMsg) | ||
| } | ||
|
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| defer r.Body.Close() | ||
| body, err := io.ReadAll(r.Body) | ||
| if err != nil { | ||
| errMsg := fmt.Sprintf("Error when calling url = %s: err = %s", mappingEndpointUrl, err.Error()) | ||
| qwlog.Error(errMsg) | ||
| return "", "", NewErrorCreationPayload(statusCode, errMsg) | ||
| } | ||
|
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| return DecodeTimestampFieldInfos(statusCode, body) | ||
| } |