Merge remote-tracking branch 'origin/master'

2026-06-17 21:56:49 +03:00
parent e1e9d4baf1
commit e14c1c176a
34 changed files with 7402 additions and 704 deletions
--- a/svc/product_pricing_fx_delta_scheduler.go
+++ b/svc/product_pricing_fx_delta_scheduler.go
@@ -0,0 +1,123 @@
+package main
+
+import (
+	"bssapp-backend/db"
+	"bssapp-backend/queries"
+	"context"
+	"database/sql"
+	"log"
+	"os"
+	"strconv"
+	"strings"
+	"sync/atomic"
+	"time"
+)
+
+func startProductPricingFxDeltaScheduler(pgDB *sql.DB) {
+	enabled := strings.TrimSpace(strings.ToLower(os.Getenv("PRODUCT_PRICING_FX_DELTA_ENABLED")))
+	if enabled == "0" || enabled == "false" || enabled == "off" {
+		log.Println("Product pricing FX delta scheduler disabled")
+		return
+	}
+	if pgDB == nil {
+		return
+	}
+
+	intervalMin := 1
+	if raw := strings.TrimSpace(os.Getenv("PRODUCT_PRICING_FX_DELTA_INTERVAL_MIN")); raw != "" {
+		if parsed, err := strconv.Atoi(raw); err == nil && parsed >= 1 {
+			intervalMin = parsed
+		}
+	}
+	batchSize := 200
+	if raw := strings.TrimSpace(os.Getenv("PRODUCT_PRICING_FX_DELTA_BATCH_SIZE")); raw != "" {
+		if parsed, err := strconv.Atoi(raw); err == nil && parsed >= 10 && parsed <= 2000 {
+			batchSize = parsed
+		}
+	}
+
+	var running int32 = 0
+
+	runOnce := func(reason string) {
+		if db.PgDB == nil {
+			return
+		}
+		if !atomic.CompareAndSwapInt32(&running, 0, 1) {
+			log.Printf("[PricingFxDelta] skip (%s): already running", reason)
+			return
+		}
+		defer atomic.StoreInt32(&running, 0)
+
+		ctx, cancel := context.WithTimeout(context.Background(), 30*time.Minute)
+		defer cancel()
+
+		totalClaimed := 0
+		totalWritten := 0
+		for {
+			// Claim a batch.
+			tx, err := pgDB.BeginTx(ctx, nil)
+			if err != nil {
+				log.Printf("[PricingFxDelta] begin_tx_error (%s): %v", reason, err)
+				return
+			}
+			items, err := queries.ClaimPriceRecalcQueue(ctx, tx, batchSize)
+			if err != nil {
+				_ = tx.Rollback()
+				log.Printf("[PricingFxDelta] claim_error (%s): %v", reason, err)
+				return
+			}
+			if err := tx.Commit(); err != nil {
+				log.Printf("[PricingFxDelta] claim_commit_error (%s): %v", reason, err)
+				return
+			}
+			if len(items) == 0 {
+				break
+			}
+
+			totalClaimed += len(items)
+			codes := make([]string, 0, len(items))
+			for _, it := range items {
+				if it.ProductCode != "" {
+					codes = append(codes, it.ProductCode)
+				}
+			}
+
+			written, _, err := queries.PublishDerivedPricesFromAnchor(ctx, pgDB, codes, "", false)
+			if err != nil {
+				// Mark all failed.
+				tx2, _ := pgDB.BeginTx(ctx, nil)
+				if tx2 != nil {
+					for _, it := range items {
+						_ = queries.MarkPriceRecalcQueueFailed(ctx, tx2, it.ID, it.Attempts, err.Error())
+					}
+					_ = tx2.Commit()
+				}
+				log.Printf("[PricingFxDelta] publish_error (%s): claimed=%d err=%v", reason, len(items), err)
+				return
+			}
+			totalWritten += written
+
+			// Mark all done (even if some were skipped due to missing anchor).
+			tx3, _ := pgDB.BeginTx(ctx, nil)
+			if tx3 != nil {
+				for _, it := range items {
+					_ = queries.MarkPriceRecalcQueueDone(ctx, tx3, it.ID)
+				}
+				_ = tx3.Commit()
+			}
+		}
+
+		log.Printf("[PricingFxDelta] ok (%s): claimed=%d sdprc_written=%d interval_min=%d batch_size=%d", reason, totalClaimed, totalWritten, intervalMin, batchSize)
+	}
+
+	go func() {
+		time.Sleep(2 * time.Second)
+		runOnce("startup")
+
+		ticker := time.NewTicker(time.Duration(intervalMin) * time.Minute)
+		defer ticker.Stop()
+		for range ticker.C {
+			runOnce("scheduled")
+		}
+	}()
+}