server/src/Infrastructure.Dapper/Repositories/Repository.cs

using System;
using System.Data;
using System.Data.SqlClient;
using System.Linq;
using System.Threading.Tasks;
using Bit.Core.Entities;
using Bit.Core.Repositories;
using Dapper;

namespace Bit.Infrastructure.Dapper.Repositories
{
    public abstract class Repository<T, TId> : BaseRepository, IRepository<T, TId>
        where TId : IEquatable<TId>
        where T : class, ITableObject<TId>
    {
        public Repository(string connectionString, string readOnlyConnectionString,
            string schema = null, string table = null)
            : base(connectionString, readOnlyConnectionString)
        {
            if (!string.IsNullOrWhiteSpace(table))
            {
                Table = table;
            }

            if (!string.IsNullOrWhiteSpace(schema))
            {
                Schema = schema;
            }
        }

        protected string Schema { get; private set; } = "dbo";
        protected string Table { get; private set; } = typeof(T).Name;

        public virtual async Task<T> GetByIdAsync(TId id)
        {
            using (var connection = new SqlConnection(ConnectionString))
            {
                var results = await connection.QueryAsync<T>(
                    $"[{Schema}].[{Table}_ReadById]",
                    new { Id = id },
                    commandType: CommandType.StoredProcedure);

                return results.SingleOrDefault();
            }
        }

        public virtual async Task<T> CreateAsync(T obj)
        {
            obj.SetNewId();
            using (var connection = new SqlConnection(ConnectionString))
            {
                var parameters = new DynamicParameters();
                parameters.AddDynamicParams(obj);
                parameters.Add("Id", obj.Id, direction: ParameterDirection.InputOutput);
                var results = await connection.ExecuteAsync(
                    $"[{Schema}].[{Table}_Create]",
                    parameters,
                    commandType: CommandType.StoredProcedure);
                obj.Id = parameters.Get<TId>(nameof(obj.Id));
            }
            return obj;
        }

        public virtual async Task ReplaceAsync(T obj)
        {
            using (var connection = new SqlConnection(ConnectionString))
            {
                var results = await connection.ExecuteAsync(
                    $"[{Schema}].[{Table}_Update]",
                    obj,
                    commandType: CommandType.StoredProcedure);
            }
        }

        public virtual async Task UpsertAsync(T obj)
        {
            if (obj.Id.Equals(default(TId)))
            {
                await CreateAsync(obj);
            }
            else
            {
                await ReplaceAsync(obj);
            }
        }

        public virtual async Task DeleteAsync(T obj)
        {
            using (var connection = new SqlConnection(ConnectionString))
            {
                await connection.ExecuteAsync(
                    $"[{Schema}].[{Table}_DeleteById]",
                    new { Id = obj.Id },
                    commandType: CommandType.StoredProcedure);
            }
        }
    }
}