MongoDB + PostgreSQL Injection

backend/Infrastructure/MongoDBServices.cs

@@ -0,0 +1,36 @@
+using MongoDB.Driver;
+
+namespace Infrastructure.Services.MongoDB
+{
+    public class MongoDbService
+    {
+        private readonly IMongoDatabase _database;
+
+        public MongoDbService(string connectionString)
+        {
+            var url = new MongoUrl(connectionString);
+            var client = new MongoClient(url);
+            _database = client.GetDatabase(url.DatabaseName);
+        }
+
+        public IMongoCollection<T> GetCollection<T>(string collectionName)
+        {
+            return _database.GetCollection<T>(collectionName);
+        }
+
+        public async Task<List<T>> FindAsync<T>(string collectionName, List<(string FieldName, string Value)> criteria)
+        {
+            var collection = _database.GetCollection<T>(collectionName);
+
+            var filters = new List<FilterDefinition<T>>();
+            foreach (var (FieldName, Value) in criteria)
+            {
+                filters.Add(Builders<T>.Filter.Eq(FieldName, Value));
+            }
+
+            var combinedFilter = Builders<T>.Filter.And(filters);
+
+            return await collection.Find(combinedFilter).ToListAsync();
+        }
+    }
+}