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5b2b176a55
- Create `DailyStat` model for immutable daily metrics including request counts, tokens, latency, and top models. - Implement `DailyStatsJob` to aggregate `log_records` from the previous day, running daily at 00:05 UTC. - Register database migrations and schedule the job in the server. - Add `last7d` and `last30d` period support to stats handler.
43 lines
1.2 KiB
Go
43 lines
1.2 KiB
Go
package model
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import "time"
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// TopModelStat represents a single model's statistics in the top models list
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type TopModelStat struct {
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Model string `json:"model"`
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Requests int64 `json:"requests"`
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Tokens int64 `json:"tokens"`
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}
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// DailyStat stores immutable daily aggregated statistics.
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// Once generated by the cron job, a row is never modified.
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// Design principles:
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// - Immutable: once generated, never modified
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// - Store raw aggregates, compute derived values (error_rate, avg_latency) at read time
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// - One row per day, ~365 rows/year
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type DailyStat struct {
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Date string `gorm:"primaryKey;size:10" json:"date"` // "2006-01-02" (UTC)
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// Request counts
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Requests int64 `json:"requests"`
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Success int64 `json:"success"`
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Failed int64 `json:"failed"`
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// Token counts
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TokensIn int64 `json:"tokens_in"`
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TokensOut int64 `json:"tokens_out"`
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// Latency (for avg calculation: avg = LatencySumMs / Requests)
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LatencySumMs int64 `json:"latency_sum_ms"`
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// Top models (JSON array of TopModelStat)
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TopModels string `gorm:"type:text" json:"top_models"`
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CreatedAt time.Time `json:"created_at"`
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}
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// TableName specifies the table name for DailyStat
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func (DailyStat) TableName() string {
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return "daily_stats"
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}
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