public static OperationResult <int> Create(this IDataAccessor dataAccessor, IAliasedCommandTypeDataOrder dataOrder)
{
OperationResult <object> operation = dataAccessor.SubmitScalarQueryWithDataOrder(dataOrder);
return
(operation.HadErrors ?
new OperationResult <int>(operation.Exceptions) :
operation.Result is int?
new OperationResult <int>((int)operation.Result) :
new OperationResult <int>(0));
}
public static OperationResult Delete(this IDataAccessor dataAccessor, IAliasedCommandTypeDataOrder dataOrder) => dataAccessor.PerformDataOperationWithDataOrder(dataOrder);
/// <summary>
/// Asynchronous. An extension method for the <see cref="IDataRowProvider"/>. Used to produce a list of objects when that type is an abstraction using a derived type.
/// </summary>
/// <typeparam name="T">The type of object represented by the lookup.</typeparam>
/// <typeparam name="T2">The type of object represented by the lookup. The type must have an eligible constructor accepting <see cref="System.Data.DataRow"/> as its first parameter, and <see cref="System.Collections.Generic.IEnumerable{T}"/> of type <see cref="IAlias"/> as its second, and must be derived from T.</typeparam>
/// <param name="dataRowProvider">The <see cref="IDataRowProvider"/> used to submit query.</param>
/// <param name="dataOrder">The information for the query.</param>
/// <returns>A <see cref='Task'/> with a result of <see cref="Utilities.OperationResult{T}"/> containing result upon success, and Exceptions upon failure.</returns>
public static async Task <OperationResult <List <T> > > GetTableAsync <T, T2>(this IDataRowProvider dataRowProvider, IAliasedCommandTypeDataOrder dataOrder) where T2 : T
{
ConstructorInfo constructor = typeof(T2).GetConstructor(new[] { typeof(DataRow), typeof(IEnumerable <IAlias>) });
System.Diagnostics.Debug.Assert(constructor != null, "This overload can only be used with a Type that has an eligible constructor, which is one that accepts System.Data.DataRow as its first parameter, and System.Collections.Generic.IEnumerable<CSharpToolkit.Utilities.Abstractions.IAlias> for its second.");
var operation = await dataRowProvider.SubmitQueryWithDataOrderAsync(dataOrder);
return(operation.HadErrors ?
new OperationResult <List <T> >(operation.Exceptions) :
new OperationResult <List <T> >(await Task.Run(() => operation.Result.Select(r => (T2)constructor.Invoke(new object[] { r, dataOrder.Aliases })).Cast <T>().ToList())));
}
/// <summary>
/// Asynchronous. An extension method for the <see cref="IDataAccessor"/>. Used when only an integer is being requested.
/// </summary>
/// <param name="dataRowProvider">The <see cref="IDataAccessor"/> used to submit query.</param>
/// <param name="dataOrder">The information for the query.</param>
/// <returns>A <see cref="Task"/> with a result of <see cref="Utilities.OperationResult{T}"/> containing integer upon success, and Exceptions upon failure.</returns>
public static async Task <OperationResult <int> > GetIntegerAsync(this IDataAccessor dataRowProvider, IAliasedCommandTypeDataOrder dataOrder)
{
OperationResult <object> countOperation = await dataRowProvider.SubmitScalarQueryWithDataOrderAsync(dataOrder);
var exceptions = new List <Exception>();
if (countOperation.HadErrors)
{
return(new OperationResult <int>(countOperation.Exceptions));
}
return
(countOperation.Result is int == false ?
new OperationResult <int>(new[] { new InvalidCastException($"Cannot convert {countOperation.Result} into integer.") }) :
new OperationResult <int>((int)countOperation.Result));
}
public static async Task <OperationResult> DeleteAsync(this IDataAccessor dataAccessor, IAliasedCommandTypeDataOrder dataOrder, Func <Type> declaringTypeCallback, string callingMethod) => await dataAccessor.PerformDataOperationWithDataOrderAsync(dataOrder, declaringTypeCallback, callingMethod);
/// <summary>
/// Asynchronous. An extension method for the <see cref="IDataRowProvider"/>. Used to translate the <see cref="IAliasedCommandTypeDataOrder"/> interface into the <see cref="IDataRowProvider.SubmitQueryForDataSet(string, CommandType, IEnumerable{KeyValuePair{string, object}})"/> method. If the operation fails, the incoming Type, and method name will added to Exception.
/// </summary>
/// <param name="dataRowProvider">The <see cref="IDataRowProvider"/> used to submit query.</param>
/// <param name="dataOrder">The information for the query.</param>
/// <param name="declaringTypeCallback">The callback to define the type to be added to the <see cref="Utilities.OperationResult{T}"/> if faulted.</param>
/// <param name="callingMethod">The callback to define the type to be added to the <see cref="Utilities.OperationResult{T}"/> if faulted.</param>
/// <returns>A <see cref='Task'/> with a result of <see cref="Utilities.OperationResult{T}"/> denoting success of operation containing a <see cref="DataSet"/>.</returns>
public static Task <OperationResult <DataSet> > SubmitQueryForDataSetWithDataOrderAsync(this IDataRowProvider dataRowProvider, IAliasedCommandTypeDataOrder dataOrder, Func <Type> declaringTypeCallback, string callingMethod) =>
CUDOperationAsync(dataRowProvider.SubmitQueryForDataSetAsync, dataOrder, declaringTypeCallback, callingMethod);
/// <summary>
/// Asynchronous. An extension method for the <see cref="IDataAccessor"/>. Used to translate the <see cref="IAliasedCommandTypeDataOrder"/> interface into the <see cref="IDataAccessor.SubmitScalarQuery(string, CommandType, IEnumerable{KeyValuePair{string, object}})"/> method. If the operation fails, the incoming Type, and method name will added to Exception.
/// </summary>
/// <param name="dataAccessor">The <see cref="IDataAccessor"/> used to submit query.</param>
/// <param name="dataOrder">The information for the query.</param>
/// <param name="declaringTypeCallback">The callback to define the type to be added to the <see cref="Utilities.OperationResult{T}"/> if faulted.</param>
/// <param name="callingMethod">The callback to define the type to be added to the <see cref="Utilities.OperationResult{T}"/> if faulted.</param>
/// <returns>A <see cref='Task'/> with a result of <see cref="Utilities.OperationResult{T}"/> which contains scalar.</returns>
public static Task <OperationResult <object> > SubmitScalarQueryWithDataOrderAsync(this IDataAccessor dataAccessor, IAliasedCommandTypeDataOrder dataOrder, Func <Type> declaringTypeCallback, string callingMethod) =>
CUDOperationAsync(dataAccessor.SubmitScalarQueryAsync, dataOrder, declaringTypeCallback, callingMethod);
/// <summary>
/// An extension method for the <see cref="IDataRowProvider"/>. Used to perform a lookup with the <see cref="IDataRowProvider"/> interface. If the lookup produces no results, the operation is deemed a failure with the <see cref="DataAccess.EmptyResultSetException"/> Exception. If the operation fails, the incoming Type, and method name will added to Exception.
/// </summary>
/// <typeparam name="T">The type of object represented by the lookup.</typeparam>
/// <param name="dataRowProvider">The <see cref="IDataRowProvider"/> used to submit query.</param>
/// <param name="dataOrder">The information for the query.</param>
/// <param name="converter">A callback used to convert the combination of the <see cref="DataRow"/>, and the <see cref="IAliasedCommandTypeDataOrder"/> into an object of type T.</param>
/// <param name="declaringTypeCallback">The callback to define the type to be added to the <see cref="Utilities.OperationResult{T}"/> if faulted.</param>
/// <param name="callingMethod">The callback to define the type to be added to the <see cref="Utilities.OperationResult{T}"/> if faulted.</param>
/// <returns>A <see cref='Task'/> with a result of <see cref="Utilities.OperationResult{T}"/> containing result upon success, and Exceptions upon failure.</returns>
public static Task <OperationResult <T> > LookupAsync <T>(this IDataRowProvider dataRowProvider, IAliasedCommandTypeDataOrder dataOrder, Func <IAliasedCommandTypeDataOrder, DataRow, T> converter, Func <Type> declaringTypeCallback, string callingMethod) =>
dataRowProvider.LookupAsync <T, T>(dataOrder, converter, declaringTypeCallback, callingMethod);
/// <summary>
/// Formats the incoming <see cref="IAliasedCommandTypeDataOrder"/> into valid T-Sql.
/// </summary>
/// <param name="order">The <see cref="IAliasedCommandTypeDataOrder"/> to format.</param>
/// <returns>The data order formatted into valid T-Sql.</returns>
public string Format(IAliasedCommandTypeDataOrder order) =>
Use.StringBuilder(builder => {
builder.AppendLine($"Query type : {order.CommandType}");
if (order.Parameters.Any())
{
builder.AppendLine();
foreach (var parameter in order.Parameters)
{
string sqlValueType = "<unknown>";
object value = parameter.Value;
if (value == null || value is DBNull)
{
value = null;
sqlValueType = $"varchar(1)";
}
else if (value is string)
{
string valueAsString = ((string)value).Replace("'", "''");
sqlValueType = $"varchar({(valueAsString.Length > 0 ? valueAsString.Length : 1)})";
value = $"'{valueAsString}'";
}
else if (value is DateTime || value is DateTime?)
{
sqlValueType = "datetime2";
DateTime time = ((DateTime)value);
if (UseDateTime2 == false)
{
sqlValueType = "datetime";
int additive = 1;
int leastSignificantDigit = time.Millisecond % 10;
if (leastSignificantDigit < 2)
{
additive = 0 - leastSignificantDigit;
}
else if (leastSignificantDigit < 5)
{
additive = 3 - leastSignificantDigit;
}
else if (leastSignificantDigit < 9)
{
additive = 7 - leastSignificantDigit;
}
time = new DateTime((time.Ticks / 10000 + additive) * 10000);
value = $"'{time.ToString("yyyy-MM-dd HH:mm:ss.fff", System.Globalization.CultureInfo.InvariantCulture)}'";
}
}
else if (value is int || value is int?)
{
sqlValueType = "int";
}
else if (value is decimal || value is decimal?)
{
sqlValueType = "decimal";
}
else if (value is System.Xml.Linq.XDocument)
{
sqlValueType = "xml";
value = $"'{Environment.NewLine}{((System.Xml.Linq.XDocument)value).ToString(System.Xml.Linq.SaveOptions.None)}{Environment.NewLine}'";
}
builder.AppendLine($"DECLARE {parameter.Key} {sqlValueType} = {value ?? "NULL" };");
}
}
builder.AppendLine();
if (order.CommandType == System.Data.CommandType.StoredProcedure)
{
builder.Append("EXEC ");
}
builder.AppendLine(order.Query);
// Puts Lines number in query.
//builder.AppendLine(string.Join("\r\n", order.Query.Split(new[] { "\r\n", "\r", "\n" }, StringSplitOptions.None).Select((line, index) => $"-- {index + 1}:\r\n{line}")));
});
/// <summary>
/// An extension method for the <see cref="IDataAccessor"/>. Used to produce a list of objects.
/// </summary>
/// <typeparam name="T">The type of object represented by the lookup.</typeparam>
/// <param name="dataAccessor">The <see cref="IDataAccessor"/> used to submit query.</param>
/// <param name="dataOrder">The information for the query.</param>
/// <param name="converter">A callback used to convert the combination of the <see cref="DataRow"/>, and the <see cref="IAliasedCommandTypeDataOrder"/> into an object of type T.</param>
/// <returns>A <see cref="Utilities.OperationResult{T}"/> containing result upon success, and Exceptions upon failure.</returns>
public static OperationResult <List <T> > GetTable <T>(this IDataAccessor dataAccessor, IAliasedCommandTypeDataOrder dataOrder, Func <IAliasedCommandTypeDataOrder, DataRow, T> converter)
{
var operation = dataAccessor.SubmitQueryWithDataOrder(dataOrder);
return(operation.HadErrors ?
new OperationResult <List <T> >(operation.Exceptions) :
new OperationResult <List <T> >(operation.Result.Select(row => converter(dataOrder, row)).ToList()));
}
/// <summary>
/// An extension method for the <see cref="IDataAccessor"/>. Used to produce a list of objects.
/// </summary>
/// <typeparam name="T">The type of object represented by the lookup.</typeparam>
/// <param name="dataAccessor">The <see cref="IDataAccessor"/> used to submit query.</param>
/// <param name="dataOrder">The information for the query.</param>
/// <param name="converter">A callback used to convert the <see cref="DataRow"/>into an object of type T.</param>
/// <returns>A <see cref="Utilities.OperationResult{T}"/> containing result upon success, and Exceptions upon failure.</returns>
public static OperationResult <List <T> > GetTable <T>(this IDataAccessor dataAccessor, IAliasedCommandTypeDataOrder dataOrder, Func <DataRow, T> converter) =>
dataAccessor.GetTable(dataOrder, (dO, row) => converter(row));
/// <summary>
/// An extension method for the <see cref="IDataAccessor"/>. Used to produce a list of objects.
/// </summary>
/// <typeparam name="T">The type of object represented by the lookup. The type must have an eligible constructor accepting <see cref="System.Data.DataRow"/> as its first parameter, and <see cref="System.Collections.Generic.IEnumerable{T}"/> of type <see cref="IAlias"/> as its second.</typeparam>
/// <param name="dataAccessor">The <see cref="IDataAccessor"/> used to submit query.</param>
/// <param name="dataOrder">The information for the query.</param>
/// <returns>A <see cref="Utilities.OperationResult{T}"/> containing result upon success, and Exceptions upon failure.</returns>
public static OperationResult <List <T> > GetTable <T>(this IDataAccessor dataAccessor, IAliasedCommandTypeDataOrder dataOrder) =>
GetTable <T, T>(dataAccessor, dataOrder);
/// <summary>
/// An extension method for the <see cref="IDataAccessor"/>. Used when only a count is being requested.
/// </summary>
/// <param name="dataAccessor">The <see cref="IDataAccessor"/> used to submit query.</param>
/// <param name="dataOrder">The information for the query.</param>
/// <returns>A <see cref="Utilities.OperationResult{T}"/> containing count upon success, and Exceptions upon failure.</returns>
public static OperationResult <int> GetCount(this IDataAccessor dataAccessor, IAliasedCommandTypeDataOrder dataOrder)
{
OperationResult <object> countOperation = dataAccessor.SubmitScalarQueryWithDataOrder(dataOrder);
return
(countOperation.HadErrors ?
new OperationResult <int>(countOperation.Exceptions) :
new OperationResult <int>((int)countOperation.Result));
}
/// <summary>
/// An extension method for the <see cref="IDataRowProvider"/>. Used to translate the <see cref="IAliasedCommandTypeDataOrder"/> interface into the <see cref="IDataRowProvider.SubmitQueryForDataSet(string, CommandType, IEnumerable{KeyValuePair{string, object}})"/> method.
/// </summary>
/// <param name="dataAccessor">The <see cref="IDataRowProvider"/> used to submit query.</param>
/// <param name="dataOrder">The information for the query.</param>
/// <returns>A <see cref="Utilities.OperationResult{T}"/> denoting success of operation containing <see cref="DataSet"/>.</returns>
public static OperationResult <DataSet> SubmitQueryForDataSetWithDataOrder(this IDataRowProvider dataAccessor, IAliasedCommandTypeDataOrder dataOrder) =>
CUDOperation(dataAccessor.SubmitQueryForDataSet, dataOrder);
/// <summary>
/// Asynchronous. An extension method for the <see cref="IDataRowProvider"/>. Used to produce a list of objects. If the operation fails, the incoming Type, and method name will added to Exception.
/// </summary>
/// <typeparam name="T">The type of object represented by the lookup.</typeparam>
/// <param name="dataRowProvider">The <see cref="IDataRowProvider"/> used to submit query.</param>
/// <param name="dataOrder">The information for the query.</param>
/// <param name="converter">A callback used to convert the <see cref="DataRow"/>into an object of type T.</param>
/// <param name="declaringTypeCallback">The callback to define the type to be added to the <see cref="Utilities.OperationResult{T}"/> if faulted.</param>
/// <param name="callingMethod">The callback to define the type to be added to the <see cref="Utilities.OperationResult{T}"/> if faulted.</param>
/// <returns>A <see cref='Task'/> with a result of <see cref="Utilities.OperationResult{T}"/> containing result upon success, and Exceptions upon failure.</returns>
public static Task <OperationResult <List <T> > > GetTableAsync <T>(this IDataRowProvider dataRowProvider, IAliasedCommandTypeDataOrder dataOrder, Func <DataRow, T> converter, Func <Type> declaringTypeCallback, string callingMethod) =>
dataRowProvider.GetTableAsync(dataOrder, (dO, row) => converter(row), declaringTypeCallback, callingMethod);
/// <summary>
/// An extension method for the <see cref="IDataRowProvider"/>. Used to perform a lookup with the <see cref="IDataRowProvider"/> interface. If the lookup produces no results, the operation is deemed a failure with the <see cref="DataAccess.EmptyResultSetException"/> Exception.
/// </summary>
/// <typeparam name="T">The type of object represented by the lookup.</typeparam>
/// <param name="dataRowProvider">The <see cref="IDataRowProvider"/> used to submit query.</param>
/// <param name="dataOrder">The information for the query.</param>
/// <param name="converter">A callback used to convert the combination of the <see cref="DataRow"/>, and the <see cref="IAliasedCommandTypeDataOrder"/> into an object of type T.</param>
/// <returns>A <see cref='Task'/> with a result of <see cref="Utilities.OperationResult{T}"/> containing result upon success, and Exceptions upon failure.</returns>
public static Task <OperationResult <T> > LookupAsync <T>(this IDataRowProvider dataRowProvider, IAliasedCommandTypeDataOrder dataOrder, Func <IAliasedCommandTypeDataOrder, DataRow, T> converter) =>
dataRowProvider.LookupAsync <T, T>(dataOrder, converter);
/// <summary>
/// Asynchronous. An extension method for the <see cref="IDataRowProvider"/>. Used to produce a list of objects. If the operation fails, the incoming Type, and method name will added to Exception.
/// </summary>
/// <typeparam name="T">The type of object represented by the lookup.</typeparam>
/// <param name="dataRowProvider">The <see cref="IDataRowProvider"/> used to submit query.</param>
/// <param name="dataOrder">The information for the query.</param>
/// <param name="converter">A callback used to convert the combination of the <see cref="DataRow"/>, and the <see cref="IAliasedCommandTypeDataOrder"/> into an object of type T.</param>
/// <param name="declaringTypeCallback">The callback to define the type to be added to the <see cref="Utilities.OperationResult{T}"/> if faulted.</param>
/// <param name="callingMethod">The callback to define the type to be added to the <see cref="Utilities.OperationResult{T}"/> if faulted.</param>
/// <returns>A <see cref='Task'/> with a result of <see cref="Utilities.OperationResult{T}"/> containing result upon success, and Exceptions upon failure.</returns>
public static async Task <OperationResult <List <T> > > GetTableAsync <T>(this IDataRowProvider dataRowProvider, IAliasedCommandTypeDataOrder dataOrder, Func <IAliasedCommandTypeDataOrder, DataRow, T> converter, Func <Type> declaringTypeCallback, string callingMethod)
{
var operation = await dataRowProvider.SubmitQueryWithDataOrderAsync(dataOrder, declaringTypeCallback, callingMethod);
return
(operation.HadErrors ?
new OperationResult <List <T> >(operation.Exceptions) :
new OperationResult <List <T> >(await Task.Run(() => operation.Result.Select(row => converter(dataOrder, row)).ToList())));
}
/// <summary>
/// Asynchronous. An extension method for the <see cref="IDataAccessor"/>. Used to translate the <see cref="IAliasedCommandTypeDataOrder"/> interface into the <see cref="IDataAccessor.SubmitScalarQuery(string, CommandType, IEnumerable{KeyValuePair{string, object}})"/> method.
/// </summary>
/// <param name="dataAccessor">The <see cref="IDataAccessor"/> used to submit query.</param>
/// <param name="dataOrder">The information for the query.</param>
/// <returns>A <see cref='Task'/> with a result of <see cref="Utilities.OperationResult{T}"/> which contains the int returned.</returns>
public static Task <OperationResult <object> > SubmitScalarQueryWithDataOrderAsync(this IDataAccessor dataAccessor, IAliasedCommandTypeDataOrder dataOrder) =>
CUDOperationAsync(dataAccessor.SubmitScalarQueryAsync, dataOrder);
/// <summary>
/// Asynchronous. An extension method for the <see cref="IDataRowProvider"/>. Used to perform a lookup with the <see cref="IDataRowProvider"/> interface. If the lookup produces no results, the operation is deemed a failure with the <see cref="DataAccess.EmptyResultSetException"/> Exception. If the operation fails, the incoming Type, and method name will added to Exception.
/// </summary>
/// <typeparam name="T">The type of object to return.</typeparam>
/// <typeparam name="T2">Derived type of T.</typeparam>
/// <param name="dataRowProvider">The <see cref="IDataRowProvider"/> used to submit query.</param>
/// <param name="dataOrder">The information for the query.</param>
/// <param name="converter">A callback used to convert the combination of the <see cref="DataRow"/>, and the <see cref="IAliasedCommandTypeDataOrder"/> into an object of type T.</param>
/// <param name="declaringTypeCallback">The callback to define the type to be added to the <see cref="Utilities.OperationResult{T}"/> if faulted.</param>
/// <param name="callingMethod">The callback to define the type to be added to the <see cref="Utilities.OperationResult{T}"/> if faulted.</param>
/// <returns>A <see cref='Task'/> with a result of <see cref="Utilities.OperationResult{T}"/> containing result upon success, and Exceptions upon failure.</returns>
public async static Task <OperationResult <T> > LookupAsync <T, T2>(this IDataRowProvider dataRowProvider, IAliasedCommandTypeDataOrder dataOrder, Func <IAliasedCommandTypeDataOrder, DataRow, T2> converter, Func <Type> declaringTypeCallback, string callingMethod) where T2 : T
{
OperationResult <List <DataRow> > operation = await dataRowProvider.GetTableAsync(dataOrder, r => r, declaringTypeCallback, callingMethod);
return(operation.HadErrors ?
new OperationResult <T>(operation.Exceptions) :
operation.Result.Any() == false ?
new OperationResult <T>(false, default(T)) :
new OperationResult <T>(await Task.Run(() => converter(dataOrder, operation.Result[0]))));
}
/// <summary>
/// Asynchronous. An extension method for the <see cref="IDataAccessor"/>. Used to translate the <see cref="IAliasedCommandTypeDataOrder"/> interface into the <see cref="IDataAccessor.PerformDataOperation(string, CommandType, IEnumerable{KeyValuePair{string, object}})"/> method.
/// </summary>
/// <param name="dataAccessor">The <see cref="IDataAccessor"/> used to submit query.</param>
/// <param name="dataOrder">The information for the query.</param>
/// <returns>A <see cref='Task'/> with a result of <see cref="Utilities.OperationResult{T}"/> denoting success of operation.</returns>
public static Task <OperationResult <int> > PerformDataOperationWithDataOrderAsync(this IDataAccessor dataAccessor, IAliasedCommandTypeDataOrder dataOrder) =>
CUDOperationAsync(dataAccessor.PerformDataOperationAsync, dataOrder);
/// <summary>
/// Asynchronous. An extension method for the <see cref="IDataAccessor"/>. Used to translate the <see cref="IAliasedCommandTypeDataOrder"/> interface into the <see cref="IDataAccessor.PerformDataOperation(string, CommandType, IEnumerable{KeyValuePair{string, object}})"/> method. If the operation fails, the incoming Type, and method name will added to Exception.
/// </summary>
/// <param name="dataAccessor">The <see cref="IDataAccessor"/> used to submit query.</param>
/// <param name="dataOrder">The information for the query.</param>
/// <param name="declaringTypeCallback">The callback to define the type to be added to the <see cref="Utilities.OperationResult{T}"/> if faulted.</param>
/// <param name="callingMethod">The callback to define the type to be added to the <see cref="Utilities.OperationResult{T}"/> if faulted.</param>
/// <returns>A <see cref='Task'/> with a result of <see cref="Utilities.OperationResult{T}"/> denoting success of operation containing number of affected rows.</returns>
public static Task <OperationResult <int> > PerformDataOperationWithDataOrderAsync(this IDataAccessor dataAccessor, IAliasedCommandTypeDataOrder dataOrder, Func <Type> declaringTypeCallback, string callingMethod) =>
CUDOperationAsync(dataAccessor.PerformDataOperationAsync, dataOrder, declaringTypeCallback, callingMethod);
/// <summary>
/// Asynchronous. An extension method for the <see cref="IDataRowProvider"/>. Used to translate the <see cref="IAliasedCommandTypeDataOrder"/> interface into the <see cref="IDataRowProvider.SubmitQuery(string, CommandType, IEnumerable{KeyValuePair{string, object}})"/> method.
/// </summary>
/// <param name="dataRowProvider">The <see cref="IDataRowProvider"/> used to submit query.</param>
/// <param name="dataOrder">The information for the query.</param>
/// <returns>A <see cref='Task'/> with a result of <see cref="Utilities.OperationResult{T}"/> denoting success of operation.</returns>
public static Task <OperationResult <List <DataRow> > > SubmitQueryWithDataOrderAsync(this IDataRowProvider dataRowProvider, IAliasedCommandTypeDataOrder dataOrder) =>
CUDOperationAsync(dataRowProvider.SubmitQueryAsync, dataOrder);
static async Task <OperationResult <T> > CUDOperationAsync <T>(Func <string, CommandType, IEnumerable <KeyValuePair <string, object> >, Task <OperationResult <T> > > cudOperation, IAliasedCommandTypeDataOrder dataOrder, Func <Type> declaringTypeCallback, string callingMethod)
{
if (dataOrder.Query.IsMeaningful() == false)
{
return(new OperationResult <T>(false, default(T)));
}
OperationResult <T> operation = await cudOperation(dataOrder.Query, dataOrder.CommandType, dataOrder.Parameters);
if (operation.HadErrors)
{
Perform.ExceptionTypeAndMethodRecord(operation, declaringTypeCallback(), callingMethod);
}
return
(operation.HadErrors ?
new OperationResult <T>(operation.Exceptions) :
new OperationResult <T>(operation.Result));
}
static async Task <OperationResult <T> > CUDOperationAsync <T>(Func <string, CommandType, IEnumerable <KeyValuePair <string, object> >, Task <OperationResult <T> > > cudOperation, IAliasedCommandTypeDataOrder dataOrder)
{
if (dataOrder.Query.IsMeaningful() == false)
{
return(new OperationResult <T>(false, default(T)));
}
OperationResult <T> operation = await cudOperation(dataOrder.Query, dataOrder.CommandType, dataOrder.Parameters);
return(operation.HadErrors ?
new OperationResult <T>(operation.Exceptions) :
new OperationResult <T>(operation.Result));
}
public static async Task <OperationResult <int> > CreateAsync(this IDataAccessor dataAccessor, IAliasedCommandTypeDataOrder dataOrder, Func <Type> declaringTypeCallback, string callingMethod)
{
OperationResult <object> operation =
await dataAccessor.SubmitScalarQueryWithDataOrderAsync(dataOrder, declaringTypeCallback, callingMethod);
return
(operation.HadErrors ?
new OperationResult <int>(operation.Exceptions) :
operation.Result is int?
new OperationResult <int>((int)operation.Result) :
new OperationResult <int>(0));
}
public static async Task <OperationResult> DeleteAsync(this IDataAccessor dataAccessor, IAliasedCommandTypeDataOrder dataOrder) => await dataAccessor.PerformDataOperationWithDataOrderAsync(dataOrder);
/// <summary>
/// Asynchronous. An extension method for the <see cref="IDataRowProvider"/>. Used to produce a list of objects.
/// </summary>
/// <typeparam name="T">The type of object represented by the lookup. The type must have an eligible constructor accepting <see cref="System.Data.DataRow"/> as its first parameter, and <see cref="System.Collections.Generic.IEnumerable{T}"/> of type <see cref="IAlias"/> as its second.</typeparam>
/// <param name="dataRowProvider">The <see cref="IDataRowProvider"/> used to submit query.</param>
/// <param name="dataOrder">The information for the query.</param>
/// <returns>A <see cref='Task'/> with a result of <see cref="Utilities.OperationResult{T}"/> containing result upon success, and Exceptions upon failure.</returns>
public static Task <OperationResult <List <T> > > GetTableAsync <T>(this IDataRowProvider dataRowProvider, IAliasedCommandTypeDataOrder dataOrder) =>
GetTableAsync <T, T>(dataRowProvider, dataOrder);
/// <summary>
/// Asynchronous. An extension method for the <see cref="IDataRowProvider"/>. Used to produce a list of objects. If the operation fails, the incoming Type, and method name will added to Exception.
/// </summary>
/// <typeparam name="T">The type of object represented by the lookup. The type must have an eligible constructor accepting <see cref="System.Data.DataRow"/> as its first parameter, and <see cref="System.Collections.Generic.IEnumerable{T}"/> of type <see cref="IAlias"/> as its second.</typeparam>
/// <param name="dataRowProvider">The <see cref="IDataRowProvider"/> used to submit query.</param>
/// <param name="dataOrder">The information for the query.</param>
/// <param name="declaringTypeCallback">The callback to define the type to be added to the <see cref="Utilities.OperationResult{T}"/> if faulted.</param>
/// <param name="callingMethod">The callback to define the type to be added to the <see cref="Utilities.OperationResult{T}"/> if faulted.</param>
/// <returns>A <see cref='Task'/> with a result of <see cref="Utilities.OperationResult{T}"/> containing result upon success, and Exceptions upon failure.</returns>
public static Task <OperationResult <List <T> > > GetTableAsync <T>(this IDataRowProvider dataRowProvider, IAliasedCommandTypeDataOrder dataOrder, Func <Type> declaringTypeCallback, string callingMethod) =>
GetTableAsync <T, T>(dataRowProvider, dataOrder, declaringTypeCallback, callingMethod);
/// <summary>
/// Asynchronous. An extension method for the <see cref="IDataRowProvider"/>. Used to produce a list of objects.
/// </summary>
/// <typeparam name="T">The type of object represented by the lookup.</typeparam>
/// <param name="dataRowProvider">The <see cref="IDataRowProvider"/> used to submit query.</param>
/// <param name="dataOrder">The information for the query.</param>
/// <param name="converter">A callback used to convert the <see cref="DataRow"/>into an object of type T.</param>
/// <returns>A <see cref='Task'/> with a result of <see cref="Utilities.OperationResult{T}"/> containing result upon success, and Exceptions upon failure.</returns>
public static Task <OperationResult <List <T> > > GetTableAsync <T>(this IDataRowProvider dataRowProvider, IAliasedCommandTypeDataOrder dataOrder, Func <DataRow, T> converter) =>
dataRowProvider.GetTableAsync(dataOrder, (dO, row) => converter(row));
/// <summary>
/// An extension method for the <see cref="IDataAccessor"/>. Used to translate the <see cref="IAliasedCommandTypeDataOrder"/> interface into the <see cref="IDataAccessor.PerformDataOperation(string, CommandType, IEnumerable{KeyValuePair{string, object}})"/> method.
/// </summary>
/// <param name="dataAccessor">The <see cref="IDataAccessor"/> used to submit query.</param>
/// <param name="dataOrder">The information for the query.</param>
/// <returns>A <see cref="Utilities.OperationResult{T}"/> denoting success of operation containing number of affected rows.</returns>
public static OperationResult <int> PerformDataOperationWithDataOrder(this IDataAccessor dataAccessor, IAliasedCommandTypeDataOrder dataOrder) =>
CUDOperation(dataAccessor.PerformDataOperation, dataOrder);
