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enricher.go
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/
enricher.go
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package enriching
import (
"bytes"
"context"
"encoding/json"
"errors"
"fmt"
"github.com/topfreegames/podium/leaderboard/v2/enriching/cloud-save"
podium_leaderboard_webhooks_v1 "github.com/topfreegames/podium/leaderboard/v2/enriching/proto/webhook/v1"
"github.com/topfreegames/podium/leaderboard/v2/model"
"go.uber.org/zap"
"net/http"
"net/url"
"strings"
)
const enrichWebhookEndpoint = "/leaderboards/enrich"
const cloudSaveEndpoint = "/get-public-documents/wildlife-platform-player-profile"
type enricherImpl struct {
config enrichmentConfig
logger *zap.Logger
client *http.Client
}
// NewEnricher returns a new Enricher implementation.
func NewEnricher(
options ...EnricherOptions,
) Enricher {
config := newDefaultEnrichConfig()
e := &enricherImpl{
config: config,
logger: zap.NewNop(),
client: &http.Client{
Timeout: config.webhookTimeout,
},
}
for _, opt := range options {
opt(e)
}
return e
}
// Enrich enriches the members list with some metadata.
// By default, it will call the Cloud Save service, unless it's enabled for the tenantID or if there's a webhook for the tenantID.
// If there's a webhook configured for the tenantID, it will be called instead.
func (e *enricherImpl) Enrich(
ctx context.Context,
tenantID,
leaderboardID string,
members []*model.Member,
) ([]*model.Member, error) {
if len(members) == 0 {
return members, nil
}
l := e.logger.With(
zap.String("method", "Enrich"),
zap.String("tenantID", tenantID),
zap.String("leaderboardID", leaderboardID),
)
tenantUrl, webHookExists := e.config.webhookUrls[tenantID]
cloudSaveEnabled := e.config.cloudSave.enabled[tenantID]
if !webHookExists && !cloudSaveEnabled {
l.Debug(fmt.Sprintf("no webhook configured for tentantID '%s' and cloud save not enabled. Skipping enrichment.", tenantID))
return members, nil
}
if webHookExists && tenantUrl != "" {
members, err := e.enrichWithWebhook(ctx, tenantUrl, leaderboardID, members)
if err != nil {
l.Error("could not enrich with webhook", zap.Error(err))
return nil, fmt.Errorf("could not enrich with webhook: %w", err)
}
return members, nil
}
if cloudSaveEnabled {
e.logger.Debug(fmt.Sprintf("no webhook configured for tentantID '%s'. will call Cloud Save.", tenantID))
members, err := e.enrichWithCloudSave(ctx, tenantID, members)
if err != nil {
l.Error("could not enrich with cloud save", zap.Error(err))
return nil, fmt.Errorf("could not enrich with cloud save: %w", err)
}
return members, nil
}
l.Debug(fmt.Sprintf("no webhook configured for tentantID '%s' and cloud save enabled. Skipping enrichment.", tenantID))
return members, nil
}
func (e *enricherImpl) enrichWithWebhook(
ctx context.Context,
url,
leaderboardID string,
members []*model.Member,
) ([]*model.Member, error) {
l := e.logger.With(
zap.String("url", url),
zap.String("leaderboardID", leaderboardID),
zap.String("method", "enrichWithWebhook"),
)
body := membersModelToProto(leaderboardID, members)
jsonData, err := json.Marshal(podium_leaderboard_webhooks_v1.EnrichLeaderboardsRequest{Members: body})
if err != nil {
return nil, fmt.Errorf("could not marshal request: %w", errors.Join(err, ErrEnrichmentInternal))
}
webhookUrl, err := buildUrl(url, enrichWebhookEndpoint)
if err != nil {
return nil, fmt.Errorf("could not build webhook URL: %w", errors.Join(err, ErrEnrichmentInternal))
}
req, err := http.NewRequestWithContext(ctx, http.MethodPost, webhookUrl, bytes.NewBuffer(jsonData))
if err != nil {
return nil, fmt.Errorf("could not create request: %w", errors.Join(err, ErrEnrichmentInternal))
}
req.Header.Set("Content-Type", "application/json")
l.Debug(fmt.Sprintf("calling enrichment webhook '%s'", webhookUrl))
resp, err := e.client.Do(req)
if err != nil {
return nil, fmt.Errorf("could not complete request to webhook: %w", errors.Join(err, ErrEnrichmentCall))
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
return nil, fmt.Errorf("webhook returned %s response: %w", resp.Status, ErrEnrichmentCall)
}
var result podium_leaderboard_webhooks_v1.EnrichLeaderboardsResponse
if err := json.NewDecoder(resp.Body).Decode(&result); err != nil {
return nil, fmt.Errorf("could not unmarshal webhook response: %w", errors.Join(err, ErrEnrichmentCall))
}
metadataMap := make(map[string]map[string]string)
for _, m := range result.Members {
metadataMap[m.Id] = m.Metadata
}
for _, m := range members {
if data, ok := metadataMap[m.PublicID]; ok {
m.Metadata = data
}
}
return members, nil
}
func (e *enricherImpl) enrichWithCloudSave(ctx context.Context, tenantID string, members []*model.Member) ([]*model.Member, error) {
l := e.logger.With(
zap.String("method", "enrichWithCloudSave"),
zap.String("tenantID", tenantID),
)
if e.config.cloudSave.url == "" {
e.logger.Debug("cloud Save URL not configured. Skipping enrichment.")
return members, nil
}
l.Debug(fmt.Sprintf("calling cloud save for tenantID '%s'", tenantID))
ids := make([]string, len(members))
for i, m := range members {
ids[i] = m.PublicID
}
request := cloud_save.CloudSaveGetProfilesRequest{
TenantID: tenantID,
IDs: ids,
}
jsonData, err := json.Marshal(request)
if err != nil {
return nil, fmt.Errorf("could not marshal request: %w", errors.Join(ErrEnrichmentInternal, err))
}
url, err := buildUrl(e.config.cloudSave.url, cloudSaveEndpoint)
if err != nil {
return nil, fmt.Errorf("could not build cloud save url: %w", errors.Join(ErrEnrichmentInternal, err))
}
l.Debug(fmt.Sprintf("calling cloud save endpoint '%s'", url))
req, err := http.NewRequestWithContext(ctx, http.MethodPost, url, bytes.NewBuffer(jsonData))
if err != nil {
return nil, fmt.Errorf("could not create request: %w", errors.Join(ErrEnrichmentInternal, err))
}
req.Header.Set("Content-Type", "application/json")
raw, err := e.client.Do(req)
if err != nil {
return nil, fmt.Errorf("could not complete request to cloud save: %w", errors.Join(ErrEnrichmentCall, err))
}
defer raw.Body.Close()
if raw.StatusCode != http.StatusOK {
return nil, fmt.Errorf("cloud save returned %s response: %w", raw.Status, ErrEnrichmentCall)
}
res := &cloud_save.CloudSaveGetProfilesResponse{}
if err := json.NewDecoder(raw.Body).Decode(res); err != nil {
return nil, fmt.Errorf("could not unmarshal cloud save response: %w", errors.Join(ErrEnrichmentCall, err))
}
cloudSaveMetadataMap := make(map[string]map[string]string)
for _, d := range res.Documents {
cloudSaveMetadataMap[d.AccountID] = d.Data
}
for _, m := range members {
if data, ok := cloudSaveMetadataMap[m.PublicID]; ok {
m.Metadata = data
}
}
return members, nil
}
func buildUrl(baseUrl, endpoint string) (string, error) {
if !strings.HasSuffix(baseUrl, "/") {
baseUrl += "/"
}
if !strings.HasPrefix(baseUrl, "http") {
baseUrl = fmt.Sprintf("http://%s", baseUrl)
}
u, err := url.JoinPath(baseUrl, endpoint)
if err != nil {
return "", fmt.Errorf("could not join url paths: %w", errors.Join(err, ErrEnrichmentInternal))
}
parsedUrl, err := url.ParseRequestURI(u)
if err != nil {
return "", fmt.Errorf("could not parse url %s: %w", u, errors.Join(err, ErrEnrichmentInternal))
}
return parsedUrl.String(), nil
}
func membersModelToProto(leaderboardID string, members []*model.Member) []*podium_leaderboard_webhooks_v1.Member {
protoMembers := make([]*podium_leaderboard_webhooks_v1.Member, len(members))
for i, m := range members {
protoMembers[i] = &podium_leaderboard_webhooks_v1.Member{
LeaderboardId: leaderboardID,
Id: m.PublicID,
Scores: []*podium_leaderboard_webhooks_v1.Score{{Value: m.Score}},
Rank: int32(m.Rank),
}
}
return protoMembers
}