Beispiel #1
0
        public static bool Update <TAdapter>(this IDbConnection connection, object entityToUpdate, Type type, IDbTransaction transaction = null, int?commandTimeout = null)
            where TAdapter : IDatabaseAdapter
        {
            if (type.IsArray)
            {
                type = type.GetElementType();
            }
            else if (type.IsGenericType)
            {
                type = type.GetGenericArguments()[0];
            }

            var keyProperties = MapperExtension.GetKeyPropertiesCache(type).ToList();

            if (keyProperties.Count == 0)
            {
                throw new ArgumentException("Entity must have at least one [Key]");
            }

            var tableAttr = type.GetCustomAttributes(false)
                            .SingleOrDefault(attr => attr.GetType() == typeof(TableAttribute)) as dynamic;

            string tableName = tableAttr?.Name;

            if (string.IsNullOrEmpty(tableName))
            {
                throw new Exception("Table atribute not found");
            }

            var sb = new StringBuilder();

            sb.AppendFormat("update {0} set ", tableName);

            var adapter       = Activator.CreateInstance <TAdapter>() as IDatabaseAdapter;
            var allProperties = MapperExtension.GetTypeProperties(type);
            var nonIdProps    = allProperties.Except(keyProperties).ToList();

            for (var i = 0; i < nonIdProps.Count; i++)
            {
                var property = nonIdProps[i];
                adapter.AppendColumnNameEqualsValue(sb, property.Name.ToLower());
                if (i < nonIdProps.Count - 1)
                {
                    sb.AppendFormat(", ");
                }
            }

            sb.Append(" where ");
            for (var i = 0; i < keyProperties.Count; i++)
            {
                var property = keyProperties[i];
                adapter.AppendColumnNameEqualsValue(sb, property.Name.ToLower());
                if (i < keyProperties.Count - 1)
                {
                    sb.AppendFormat(" and ");
                }
            }

            var updated = connection.Execute(sb.ToString(), entityToUpdate, commandTimeout: commandTimeout, transaction: transaction);

            return(updated > 0);
        }
        public static int Insert <TAdapter>(this IDbConnection connection, object entity, Type type, IDbTransaction transaction = null, int?commandTimeout = null)
            where TAdapter : IDatabaseAdapter
        {
            var isList = false;

            if (type.IsArray)
            {
                isList = true;
                type   = type.GetElementType();
            }
            else if (type.IsGenericType && type.GetTypeInfo().ImplementedInterfaces.Any(ti =>
                                                                                        ti.IsGenericType && ti.GetGenericTypeDefinition() == typeof(IEnumerable <>)))
            {
                isList = true;
                type   = type.GetGenericArguments()[0];
            }

            var tableAttr = type.GetCustomAttributes(false)
                            .SingleOrDefault(attr => attr.GetType() == typeof(TableAttribute)) as dynamic;
            var tableName = tableAttr?.Name;

            var adapter       = Activator.CreateInstance <TAdapter>() as IDatabaseAdapter;
            var sbColumnList  = new StringBuilder(null);
            var allProperties = MapperExtension.GetTypeProperties(type);
            var keyProperties = MapperExtension.GetKeyPropertiesCache(type).ToList();
            var allPropertiesExceptKeyAndComputed = allProperties.Except(keyProperties).ToList();

            for (var i = 0; i < allPropertiesExceptKeyAndComputed.Count; i++)
            {
                var property = allPropertiesExceptKeyAndComputed[i];
                adapter.AppendColumnName(sbColumnList, property.Name.ToLower());
                if (i < allPropertiesExceptKeyAndComputed.Count - 1)
                {
                    sbColumnList.Append(", ");
                }
            }

            var sbParameterList = new StringBuilder(null);

            for (var i = 0; i < allPropertiesExceptKeyAndComputed.Count; i++)
            {
                var property = allPropertiesExceptKeyAndComputed[i];
                sbParameterList.AppendFormat("@{0}", property.Name.ToLower());
                if (i < allPropertiesExceptKeyAndComputed.Count - 1)
                {
                    sbParameterList.Append(", ");
                }
            }

            int returnVal;
            var wasClosed = connection.State == ConnectionState.Closed;

            if (wasClosed)
            {
                connection.Open();
            }

            if (!isList)
            {
                returnVal = adapter.Insert(connection, transaction, commandTimeout, tableName, sbColumnList.ToString(),
                                           sbParameterList.ToString(), keyProperties, entity);
            }
            else
            {
                var cmd = $"insert into {tableName} ({sbColumnList}) values ({sbParameterList})";
                returnVal = connection.Execute(cmd, entity, transaction, commandTimeout);
            }
            if (wasClosed)
            {
                connection.Close();
            }
            return(returnVal);
        }