refactor: rename Batch to Partition in error handling and processing functions for consistency

internal/app/custom_errors/extractor.error.go

@@ -10,7 +10,7 @@ import (
 )
 
 type ExtractorError struct {
-	Batch     models.Partition
+	Partition models.Partition
 	LastId    int64
 	HasLastId bool
 	Msg       string
@@ -24,9 +24,9 @@ func ExtractorErrorHandler(
 	ctx context.Context,
 	maxRetryAttempts int,
 	chErrorsIn <-chan ExtractorError,
-	chBatchesOut chan<- models.Partition,
+	chPartitionsOut chan<- models.Partition,
 	chJobErrorsOut chan<- JobError,
-	wgActiveBatches *sync.WaitGroup,
+	wgActivePartitions *sync.WaitGroup,
 ) {
 	for {
 		if ctx.Err() != nil {
@@ -42,10 +42,10 @@ func ExtractorErrorHandler(
 				return
 			}
 
-			if err.Batch.RetryCounter >= maxRetryAttempts {
+			if err.Partition.RetryCounter >= maxRetryAttempts {
 				jobError := JobError{
 					ShouldCancelJob: false,
-					Msg:             fmt.Sprintf("batch %v reached max retries (%d)", err.Batch.Id, maxRetryAttempts),
+					Msg:             fmt.Sprintf("Partition %v reached max retries (%d)", err.Partition.Id, maxRetryAttempts),
 					Prev:            &err,
 				}
 
@@ -55,22 +55,22 @@ func ExtractorErrorHandler(
 					return
 				}
 
-				wgActiveBatches.Done()
+				wgActivePartitions.Done()
 				continue
 			}
 
-			newBatch := err.Batch
-			newBatch.RetryCounter++
+			newPartition := err.Partition
+			newPartition.RetryCounter++
 
 			if err.HasLastId {
-				newBatch.ParentId = err.Batch.Id
-				newBatch.Id = uuid.New()
-				newBatch.LowerLimit = err.LastId
-				newBatch.IsLowerLimitInclusive = false
+				newPartition.ParentId = err.Partition.Id
+				newPartition.Id = uuid.New()
+				newPartition.LowerLimit = err.LastId
+				newPartition.IsLowerLimitInclusive = false
 			}
 
 			select {
-			case chBatchesOut <- newBatch:
+			case chPartitionsOut <- newPartition:
 			case <-ctx.Done():
 				return
 			}