File size: 6,620 Bytes
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import (
"context"
"encoding/json"
"fmt"
"time"
"github.com/Wei-Shaw/sub2api/internal/pkg/usagestats"
)
var (
dashboardTrendCache = newSnapshotCache(30 * time.Second)
dashboardModelStatsCache = newSnapshotCache(30 * time.Second)
dashboardGroupStatsCache = newSnapshotCache(30 * time.Second)
dashboardUsersTrendCache = newSnapshotCache(30 * time.Second)
dashboardAPIKeysTrendCache = newSnapshotCache(30 * time.Second)
)
type dashboardTrendCacheKey struct {
StartTime string `json:"start_time"`
EndTime string `json:"end_time"`
Granularity string `json:"granularity"`
UserID int64 `json:"user_id"`
APIKeyID int64 `json:"api_key_id"`
AccountID int64 `json:"account_id"`
GroupID int64 `json:"group_id"`
Model string `json:"model"`
RequestType *int16 `json:"request_type"`
Stream *bool `json:"stream"`
BillingType *int8 `json:"billing_type"`
}
type dashboardModelGroupCacheKey struct {
StartTime string `json:"start_time"`
EndTime string `json:"end_time"`
UserID int64 `json:"user_id"`
APIKeyID int64 `json:"api_key_id"`
AccountID int64 `json:"account_id"`
GroupID int64 `json:"group_id"`
ModelSource string `json:"model_source,omitempty"`
RequestType *int16 `json:"request_type"`
Stream *bool `json:"stream"`
BillingType *int8 `json:"billing_type"`
}
type dashboardEntityTrendCacheKey struct {
StartTime string `json:"start_time"`
EndTime string `json:"end_time"`
Granularity string `json:"granularity"`
Limit int `json:"limit"`
}
func cacheStatusValue(hit bool) string {
if hit {
return "hit"
}
return "miss"
}
func mustMarshalDashboardCacheKey(value any) string {
raw, err := json.Marshal(value)
if err != nil {
return ""
}
return string(raw)
}
func snapshotPayloadAs[T any](payload any) (T, error) {
typed, ok := payload.(T)
if !ok {
var zero T
return zero, fmt.Errorf("unexpected cache payload type %T", payload)
}
return typed, nil
}
func (h *DashboardHandler) getUsageTrendCached(
ctx context.Context,
startTime, endTime time.Time,
granularity string,
userID, apiKeyID, accountID, groupID int64,
model string,
requestType *int16,
stream *bool,
billingType *int8,
) ([]usagestats.TrendDataPoint, bool, error) {
key := mustMarshalDashboardCacheKey(dashboardTrendCacheKey{
StartTime: startTime.UTC().Format(time.RFC3339),
EndTime: endTime.UTC().Format(time.RFC3339),
Granularity: granularity,
UserID: userID,
APIKeyID: apiKeyID,
AccountID: accountID,
GroupID: groupID,
Model: model,
RequestType: requestType,
Stream: stream,
BillingType: billingType,
})
entry, hit, err := dashboardTrendCache.GetOrLoad(key, func() (any, error) {
return h.dashboardService.GetUsageTrendWithFilters(ctx, startTime, endTime, granularity, userID, apiKeyID, accountID, groupID, model, requestType, stream, billingType)
})
if err != nil {
return nil, hit, err
}
trend, err := snapshotPayloadAs[[]usagestats.TrendDataPoint](entry.Payload)
return trend, hit, err
}
func (h *DashboardHandler) getModelStatsCached(
ctx context.Context,
startTime, endTime time.Time,
userID, apiKeyID, accountID, groupID int64,
modelSource string,
requestType *int16,
stream *bool,
billingType *int8,
) ([]usagestats.ModelStat, bool, error) {
key := mustMarshalDashboardCacheKey(dashboardModelGroupCacheKey{
StartTime: startTime.UTC().Format(time.RFC3339),
EndTime: endTime.UTC().Format(time.RFC3339),
UserID: userID,
APIKeyID: apiKeyID,
AccountID: accountID,
GroupID: groupID,
ModelSource: usagestats.NormalizeModelSource(modelSource),
RequestType: requestType,
Stream: stream,
BillingType: billingType,
})
entry, hit, err := dashboardModelStatsCache.GetOrLoad(key, func() (any, error) {
return h.dashboardService.GetModelStatsWithFiltersBySource(ctx, startTime, endTime, userID, apiKeyID, accountID, groupID, requestType, stream, billingType, modelSource)
})
if err != nil {
return nil, hit, err
}
stats, err := snapshotPayloadAs[[]usagestats.ModelStat](entry.Payload)
return stats, hit, err
}
func (h *DashboardHandler) getGroupStatsCached(
ctx context.Context,
startTime, endTime time.Time,
userID, apiKeyID, accountID, groupID int64,
requestType *int16,
stream *bool,
billingType *int8,
) ([]usagestats.GroupStat, bool, error) {
key := mustMarshalDashboardCacheKey(dashboardModelGroupCacheKey{
StartTime: startTime.UTC().Format(time.RFC3339),
EndTime: endTime.UTC().Format(time.RFC3339),
UserID: userID,
APIKeyID: apiKeyID,
AccountID: accountID,
GroupID: groupID,
RequestType: requestType,
Stream: stream,
BillingType: billingType,
})
entry, hit, err := dashboardGroupStatsCache.GetOrLoad(key, func() (any, error) {
return h.dashboardService.GetGroupStatsWithFilters(ctx, startTime, endTime, userID, apiKeyID, accountID, groupID, requestType, stream, billingType)
})
if err != nil {
return nil, hit, err
}
stats, err := snapshotPayloadAs[[]usagestats.GroupStat](entry.Payload)
return stats, hit, err
}
func (h *DashboardHandler) getAPIKeyUsageTrendCached(ctx context.Context, startTime, endTime time.Time, granularity string, limit int) ([]usagestats.APIKeyUsageTrendPoint, bool, error) {
key := mustMarshalDashboardCacheKey(dashboardEntityTrendCacheKey{
StartTime: startTime.UTC().Format(time.RFC3339),
EndTime: endTime.UTC().Format(time.RFC3339),
Granularity: granularity,
Limit: limit,
})
entry, hit, err := dashboardAPIKeysTrendCache.GetOrLoad(key, func() (any, error) {
return h.dashboardService.GetAPIKeyUsageTrend(ctx, startTime, endTime, granularity, limit)
})
if err != nil {
return nil, hit, err
}
trend, err := snapshotPayloadAs[[]usagestats.APIKeyUsageTrendPoint](entry.Payload)
return trend, hit, err
}
func (h *DashboardHandler) getUserUsageTrendCached(ctx context.Context, startTime, endTime time.Time, granularity string, limit int) ([]usagestats.UserUsageTrendPoint, bool, error) {
key := mustMarshalDashboardCacheKey(dashboardEntityTrendCacheKey{
StartTime: startTime.UTC().Format(time.RFC3339),
EndTime: endTime.UTC().Format(time.RFC3339),
Granularity: granularity,
Limit: limit,
})
entry, hit, err := dashboardUsersTrendCache.GetOrLoad(key, func() (any, error) {
return h.dashboardService.GetUserUsageTrend(ctx, startTime, endTime, granularity, limit)
})
if err != nil {
return nil, hit, err
}
trend, err := snapshotPayloadAs[[]usagestats.UserUsageTrendPoint](entry.Payload)
return trend, hit, err
}
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