Adding of archive items is mostly operational. Need to handle file upload

OpenArchival.Database/ArtifactAssociatedNames/ArtifactAssociatedNamesProvider.cs

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+using Dapper;
+using Npgsql;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OpenArchival.Database;
+
+public class ArtifactAssociatedNamesProvider : IArtifactAssociatedNamesProvider
+{
+    private NpgsqlDataSource _dataSource;
+
+    public ArtifactAssociatedNamesProvider(NpgsqlDataSource dataSource)
+    {
+        _dataSource = dataSource;
+    }
+
+    public async Task<bool> ContainsName(string name)
+    {
+        await using var connection = await _dataSource.OpenConnectionAsync();
+
+        var sql = @"SELECT EXISTS(SELECT 1 FROM artifactassociatednames WHERE name = @Name)";
+
+        return await connection.ExecuteScalarAsync<bool>(sql, new { Name = name });
+    }
+
+    public async Task<bool> InsertName(string name)
+    {
+        await using var connection = await _dataSource.OpenConnectionAsync();
+
+        var sql = @"INSERT INTO artifactassociatednames (name) VALUES (@Name)";
+
+        int rowsAffected = await connection.ExecuteAsync(sql, new {Name=name});
+
+        return rowsAffected == 1;
+    }
+    
+    public async Task<bool> RemoveName(string name)
+    {
+        await using var connection = await _dataSource.OpenConnectionAsync();
+
+        var sql = @"DELETE FROM artifactassociatednames WHERE name = @Name";
+
+        int rowsAffected = await connection.ExecuteAsync(sql, new { Name = name });
+
+        return rowsAffected > 0;
+    }
+
+    public async Task<IEnumerable<string>> SearchNames(string query)
+    {
+        await using var connection = await _dataSource.OpenConnectionAsync();
+
+        var sql = @"SELECT name FROM artifactassociatednames WHERE POSITION(LOWER(@Query) in LOWER(name)) > 0";
+
+        return await connection.QueryAsync<string>(sql, new { Query = query });
+    }
+
+    public async Task<IEnumerable<string>> TopNames(int resultCount)
+    {
+        await using var connection = await _dataSource.OpenConnectionAsync();
+
+        var sql = $@"SELECT name FROM artifactassociatednames ORDER BY name ASC LIMIT {resultCount}";
+
+        return await connection.QueryAsync<string>(sql);
+    }
+
+}

OpenArchival.Database/ArtifactAssociatedNames/IArtifactAssociatedNamesProvider.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OpenArchival.Database;
+
+public interface IArtifactAssociatedNamesProvider
+{
+    public Task<bool> ContainsName(string name);
+
+    public Task<bool> InsertName(string name);
+    
+    public Task<bool> RemoveName(string name);
+
+    public Task<IEnumerable<string>> SearchNames(string query);
+
+    public Task<IEnumerable<string>> TopNames(int resultCount);
+}