Implement function to insert new CIF entries in to the database and adjust the deletion function to follow the same style.

dbAccess/cif.go

@@ -64,7 +64,10 @@ func PutCifMetadata(metadata CifMetadata) bool {
 	return true
 }
 
+// Handles 'Delete' tasks from CIF Schedule updates, accepts DeleteQuery types and batches deletions.
 func DeleteCifEntries(deletions []database.DeleteQuery) error {
+	collection := MongoClient.Database(databaseName).Collection(timetableCollection)
+
 	// Prepare deletion tasks
 	bulkDeletions := make([]mongo.WriteModel, 0, len(deletions))
 
@@ -78,16 +81,39 @@ func DeleteCifEntries(deletions []database.DeleteQuery) error {
 	}
 
 	log.Msg.Info("Running `Delete` tasks from CIF Update", zap.Int("Required deletions", len(deletions)))
-	for i := 0; i < len(bulkDeletions); i += batchsize {
-		end := i + batchsize
-		if end > len(bulkDeletions) {
-			end = len(bulkDeletions)
-		}
-		_, err := MongoClient.Database(databaseName).Collection(TimetableCollection).BulkWrite(context.Background(), bulkDeletions[i:end])
+
+	result, err := collection.BulkWrite(context.Background(), bulkDeletions)
 	if err != nil {
+		log.Msg.Error("Error deleting documents", zap.Error(err))
 		return err
 	}
-	}
+
+	log.Msg.Info("Deleted CIF Documents", zap.Int64("Deletion count", result.DeletedCount))
+
+	return nil
+}
+
+// Handles 'Create' tasks for CIF Schedule updates, accepts Service structs and batches their creation.
+func CreateCifEntries(schedules []database.Service) error {
+	collection := MongoClient.Database(databaseName).Collection(timetableCollection)
+
+	models := make([]mongo.WriteModel, 0, len(schedules))
+
+	for _, s := range schedules {
+		model := mongo.NewInsertOneModel().SetDocument(s)
+		models = append(models, model)
+	}
+
+	bulkWriteOptions := options.BulkWrite().SetOrdered(false)
+
+	log.Msg.Info("Running `Create` tasks from CIF Update", zap.Int("Documents to create", len(schedules)))
+	result, err := collection.BulkWrite(context.Background(), models, bulkWriteOptions)
+	if err != nil {
+		log.Msg.Error("Error inserting documents", zap.Error(err))
+		return err
+	}
+
+	log.Msg.Info("Inserted CIF Documents", zap.Int64("Insertion count", result.InsertedCount))
 
 	return nil
 }