403 lines
11 KiB
Go
403 lines
11 KiB
Go
package services
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import (
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"bytes"
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"context"
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"encoding/json"
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"fmt"
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"io"
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"net/http"
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"time"
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"api-service/internal/config"
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"github.com/mashingan/smapping"
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"github.com/rs/zerolog/log"
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"github.com/tidwall/gjson"
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)
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// VClaimService interface for VClaim operations
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type VClaimService interface {
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Get(ctx context.Context, endpoint string, result interface{}) error
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Post(ctx context.Context, endpoint string, payload interface{}, result interface{}) error
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Put(ctx context.Context, endpoint string, payload interface{}, result interface{}) error
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Delete(ctx context.Context, endpoint string, result interface{}) error
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GetRawResponse(ctx context.Context, endpoint string) (*ResponDTOVclaim, error)
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PostRawResponse(ctx context.Context, endpoint string, payload interface{}) (*ResponDTOVclaim, error)
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}
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// Service struct for VClaim service
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type Service struct {
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config config.BpjsConfig
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httpClient *http.Client
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}
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// Response structures
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type ResponMentahDTOVclaim struct {
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MetaData struct {
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Code string `json:"code"`
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Message string `json:"message"`
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} `json:"metaData"`
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Response string `json:"response"`
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}
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type ResponDTOVclaim struct {
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MetaData struct {
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Code string `json:"code"`
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Message string `json:"message"`
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} `json:"metaData"`
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Response interface{} `json:"response"`
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}
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// NewService creates a new VClaim service instance
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func NewService(cfg config.BpjsConfig) VClaimService {
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log.Info().
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Str("base_url", cfg.BaseURL).
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Dur("timeout", cfg.Timeout).
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Msg("Creating new VClaim service instance")
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service := &Service{
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config: cfg,
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httpClient: &http.Client{
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Timeout: cfg.Timeout,
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},
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}
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return service
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}
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// NewServiceFromConfig creates service from main config
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func NewServiceFromConfig(cfg *config.Config) VClaimService {
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return NewService(cfg.Bpjs)
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}
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// NewServiceFromInterface creates service from interface (for backward compatibility)
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func NewServiceFromInterface(cfg interface{}) (VClaimService, error) {
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var bpjsConfig config.BpjsConfig
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// Try to map from interface
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err := smapping.FillStruct(&bpjsConfig, smapping.MapFields(&cfg))
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if err != nil {
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return nil, fmt.Errorf("failed to map config: %w", err)
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}
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if bpjsConfig.Timeout == 0 {
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bpjsConfig.Timeout = 30 * time.Second
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}
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return NewService(bpjsConfig), nil
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}
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// SetHTTPClient allows custom http client configuration
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func (s *Service) SetHTTPClient(client *http.Client) {
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s.httpClient = client
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}
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// prepareRequest prepares HTTP request with required headers
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func (s *Service) prepareRequest(ctx context.Context, method, endpoint string, body io.Reader) (*http.Request, error) {
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fullURL := s.config.BaseURL + endpoint
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log.Info().
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Str("method", method).
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Str("endpoint", endpoint).
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Str("full_url", fullURL).
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Msg("Preparing HTTP request")
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req, err := http.NewRequestWithContext(ctx, method, fullURL, body)
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if err != nil {
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log.Error().
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Err(err).
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Str("method", method).
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Str("endpoint", endpoint).
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Msg("Failed to create HTTP request")
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return nil, fmt.Errorf("failed to create request: %w", err)
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}
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// Set headers using the SetHeader method
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consID, _, userKey, tstamp, xSignature := s.config.SetHeader()
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req.Header.Set("Content-Type", "application/json")
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req.Header.Set("X-cons-id", consID)
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req.Header.Set("X-timestamp", tstamp)
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req.Header.Set("X-signature", xSignature)
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req.Header.Set("user_key", userKey)
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log.Debug().
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Str("method", method).
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Str("endpoint", endpoint).
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Str("x_cons_id", consID).
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Str("x_timestamp", tstamp).
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Str("user_key", userKey).
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Msg("Request headers set")
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return req, nil
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}
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// processResponse processes response from VClaim API
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func (s *Service) processResponse(res *http.Response) (*ResponDTOVclaim, error) {
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defer res.Body.Close()
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log.Info().
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Int("status_code", res.StatusCode).
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Str("status", res.Status).
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Msg("Processing HTTP response")
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body, err := io.ReadAll(res.Body)
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if err != nil {
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log.Error().
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Err(err).
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Int("status_code", res.StatusCode).
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Msg("Failed to read response body")
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return nil, fmt.Errorf("failed to read response body: %w", err)
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}
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// Log response body for debugging (truncate if too long)
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bodyStr := string(body)
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if len(bodyStr) > 1000 {
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bodyStr = bodyStr[:1000] + "...(truncated)"
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}
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log.Debug().
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Int("status_code", res.StatusCode).
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Str("response_body", bodyStr).
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Msg("Raw response received")
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// Check HTTP status
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if res.StatusCode >= 400 {
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log.Error().
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Int("status_code", res.StatusCode).
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Str("response_body", bodyStr).
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Msg("HTTP error response")
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return nil, fmt.Errorf("HTTP error: %d - %s", res.StatusCode, string(body))
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}
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// Parse raw response
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var respMentah ResponMentahDTOVclaim
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if err := json.Unmarshal(body, &respMentah); err != nil {
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log.Error().
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Err(err).
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Int("status_code", res.StatusCode).
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Msg("Failed to unmarshal raw response")
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return nil, fmt.Errorf("failed to unmarshal raw response: %w", err)
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}
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// Log metadata
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log.Info().
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Str("meta_code", respMentah.MetaData.Code).
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Str("meta_message", respMentah.MetaData.Message).
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Msg("Response metadata")
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// Create final response
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finalResp := &ResponDTOVclaim{
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MetaData: respMentah.MetaData,
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}
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// If response is empty, return as is
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if respMentah.Response == "" {
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log.Debug().Msg("Empty response received, returning metadata only")
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return finalResp, nil
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}
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// Decrypt response
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consID, secretKey, _, tstamp, _ := s.config.SetHeader()
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respDecrypt, err := ResponseVclaim(respMentah.Response, consID+secretKey+tstamp)
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if err != nil {
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log.Error().
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Err(err).
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Str("meta_code", respMentah.MetaData.Code).
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Msg("Failed to decrypt response")
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return nil, fmt.Errorf("failed to decrypt response: %w", err)
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}
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log.Debug().
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Str("encrypted_length", fmt.Sprintf("%d bytes", len(respMentah.Response))).
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Str("decrypted_length", fmt.Sprintf("%d bytes", len(respDecrypt))).
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Msg("Response decrypted successfully")
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// Unmarshal decrypted response
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if respDecrypt != "" {
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if err := json.Unmarshal([]byte(respDecrypt), &finalResp.Response); err != nil {
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// If JSON unmarshal fails, store as string
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log.Warn().
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Err(err).
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Msg("Failed to unmarshal decrypted response, storing as string")
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finalResp.Response = respDecrypt
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} else {
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log.Debug().Msg("Decrypted response unmarshaled successfully")
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// Use gjson to extract and log some metadata from the response if it's JSON
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if jsonBytes, err := json.Marshal(finalResp.Response); err == nil {
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jsonStr := string(jsonBytes)
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// Extract some common fields using gjson
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if metaCode := gjson.Get(jsonStr, "metaData.code"); metaCode.Exists() {
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log.Info().
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Str("response_meta_code", metaCode.String()).
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Msg("Final response metadata")
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}
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}
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}
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}
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log.Info().
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Str("meta_code", finalResp.MetaData.Code).
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Str("meta_message", finalResp.MetaData.Message).
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Msg("Response processing completed")
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return finalResp, nil
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}
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// Get performs HTTP GET request
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func (s *Service) Get(ctx context.Context, endpoint string, result interface{}) error {
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resp, err := s.GetRawResponse(ctx, endpoint)
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if err != nil {
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return err
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}
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return mapToResult(resp, result)
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}
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// Post performs HTTP POST request
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func (s *Service) Post(ctx context.Context, endpoint string, payload interface{}, result interface{}) error {
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resp, err := s.PostRawResponse(ctx, endpoint, payload)
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if err != nil {
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return err
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}
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return mapToResult(resp, result)
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}
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// Put performs HTTP PUT request
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func (s *Service) Put(ctx context.Context, endpoint string, payload interface{}, result interface{}) error {
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var buf bytes.Buffer
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if payload != nil {
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if err := json.NewEncoder(&buf).Encode(payload); err != nil {
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return fmt.Errorf("failed to encode payload: %w", err)
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}
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}
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req, err := s.prepareRequest(ctx, http.MethodPut, endpoint, &buf)
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if err != nil {
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return err
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}
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res, err := s.httpClient.Do(req)
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if err != nil {
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return fmt.Errorf("failed to execute PUT request: %w", err)
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}
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resp, err := s.processResponse(res)
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if err != nil {
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return err
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}
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return mapToResult(resp, result)
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}
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// Delete performs HTTP DELETE request
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func (s *Service) Delete(ctx context.Context, endpoint string, result interface{}) error {
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req, err := s.prepareRequest(ctx, http.MethodDelete, endpoint, nil)
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if err != nil {
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return err
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}
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res, err := s.httpClient.Do(req)
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if err != nil {
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return fmt.Errorf("failed to execute DELETE request: %w", err)
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}
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resp, err := s.processResponse(res)
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if err != nil {
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return err
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}
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return mapToResult(resp, result)
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}
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// GetRawResponse returns raw response without mapping
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func (s *Service) GetRawResponse(ctx context.Context, endpoint string) (*ResponDTOVclaim, error) {
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req, err := s.prepareRequest(ctx, http.MethodGet, endpoint, nil)
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if err != nil {
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return nil, err
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}
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res, err := s.httpClient.Do(req)
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if err != nil {
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return nil, fmt.Errorf("failed to execute GET request: %w", err)
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}
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return s.processResponse(res)
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}
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// PostRawResponse returns raw response without mapping
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func (s *Service) PostRawResponse(ctx context.Context, endpoint string, payload interface{}) (*ResponDTOVclaim, error) {
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var buf bytes.Buffer
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if payload != nil {
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if err := json.NewEncoder(&buf).Encode(payload); err != nil {
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return nil, fmt.Errorf("failed to encode payload: %w", err)
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}
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}
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req, err := s.prepareRequest(ctx, http.MethodPost, endpoint, &buf)
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if err != nil {
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return nil, err
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}
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res, err := s.httpClient.Do(req)
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if err != nil {
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return nil, fmt.Errorf("failed to execute POST request: %w", err)
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}
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return s.processResponse(res)
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}
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// mapToResult maps the final response to the result interface
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func mapToResult(resp *ResponDTOVclaim, result interface{}) error {
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respBytes, err := json.Marshal(resp)
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if err != nil {
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return fmt.Errorf("failed to marshal final response: %w", err)
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}
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if err := json.Unmarshal(respBytes, result); err != nil {
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return fmt.Errorf("failed to unmarshal to result: %w", err)
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}
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return nil
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}
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// Backward compatibility functions
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func GetRequest(endpoint string, cfg interface{}) interface{} {
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service, err := NewServiceFromInterface(cfg)
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if err != nil {
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fmt.Printf("Failed to create service: %v\n", err)
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return nil
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}
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ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
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defer cancel()
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resp, err := service.GetRawResponse(ctx, endpoint)
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if err != nil {
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fmt.Printf("Failed to get response: %v\n", err)
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return nil
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}
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return resp
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}
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func PostRequest(endpoint string, cfg interface{}, data interface{}) interface{} {
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service, err := NewServiceFromInterface(cfg)
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if err != nil {
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fmt.Printf("Failed to create service: %v\n", err)
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return nil
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}
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ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
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defer cancel()
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resp, err := service.PostRawResponse(ctx, endpoint, data)
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if err != nil {
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fmt.Printf("Failed to post response: %v\n", err)
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return nil
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}
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return resp
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}
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