feat: add protobuf message compression and decompression for Redis; refactor product fetching logic

internal/tasks/ozon/ozon.go

@@ -2,16 +2,17 @@ package ozon
 
 import (
 	"context"
-	"encoding/json"
 	"fmt"
-	"github.com/hibiken/asynq"
-	"github.com/jackc/pgx/v5/pgxpool"
-	"github.com/samber/lo"
+	pb "sipro-mps/api/generated/v1/ozon/products"
 	"sipro-mps/internal/marketplace"
 	"sipro-mps/internal/ozon/products/mapping/generated"
 	"sipro-mps/internal/redis"
 	"sipro-mps/internal/tasks/types"
 
+	"github.com/hibiken/asynq"
+	"github.com/jackc/pgx/v5/pgxpool"
+	"github.com/samber/lo"
+
 	"sipro-mps/internal/ozon/products"
 )
 
@@ -52,15 +53,12 @@ func (p *FetchProductsProcessor) ProcessTask(ctx context.Context, task *asynq.Ta
 	productsProto := lo.Map(productsRaw, func(item products.OzonProduct, _ int) *products.PbProduct {
 		return converter.ToProto(&item)
 	})
-	productsJson, err := json.Marshal(productsProto)
+	redisKey := fmt.Sprintf("ozon:products:%s", identifier)
+	err = redis.WriteProtoMessage(ctx, redisKey, &pb.GetListOfProductsResponse{Products: productsProto})
 	if err != nil {
-		return nil
-	}
-	redisClient := *redis.Client
-	productsKey := fmt.Sprintf("ozon:products:%s", identifier)
-	err = redisClient.Do(ctx, redisClient.B().Set().Key(productsKey).Value(string(productsJson)).Build()).Error()
-	if err != nil {
-		return err
+		fmt.Printf("Failed to write products to Redis for marketplace %s: %v\n", identifier, err)
+		return asynq.RevokeTask
 	}
+
 	return nil
 }