public async Task <IActionResult> Generate([FromQuery] string dataSourceType, [FromQuery] string dataSourceConnStr,
[FromQuery] string parametersFile, [FromQuery] string templateFile,
[FromQuery] int worksheet, [FromQuery] int row, [FromQuery] int column,
[FromBody] ParameterInfoModel[] parameters)
{
ReportsAutoDiscoveryConfigModel pathSearchConfig = GetAutoDiscoveryConfig();
KeyValuePair <DbEngine, string> dataSourceDbEngine = _availableDataSources.First(item => string.Equals(item.Value.Trim().ToLower(), dataSourceType.Trim().ToLower()));
IReportGeneratorManager manager = new ExcelReportGeneratorManager(_loggerFactory, dataSourceDbEngine.Key, dataSourceConnStr);
string reportFile = GetExcelFilePath("Report", Guid.NewGuid());
ExecutionConfig config = ExecutionConfigManager.Read(Path.Combine(pathSearchConfig.ParametersFilesDirectory, parametersFile));
if (parameters != null && parameters.Length > 0)
{
if (config.DataSource == ReportDataSource.StoredProcedure)
{
foreach (ParameterInfoModel parameter in parameters)
{
StoredProcedureParameter existingStoreProcParam = config.StoredProcedureParameters.FirstOrDefault(p => string.Equals(p.ParameterName.ToLower(), parameter.Key.ToLower()));
if (existingStoreProcParam != null)
{
existingStoreProcParam.ParameterValue = parameter.Value;
}
}
}
else
{
foreach (ParameterInfoModel parameter in parameters)
{
DbQueryParameter sqlStatementPrameter = null;
if (parameter.Type == ParameterType.Where)
{
sqlStatementPrameter = config.ViewParameters.WhereParameters.FirstOrDefault(p => string.Equals(p.ParameterName.ToLower(), parameter.Key.ToLower()));
}
if (parameter.Type == ParameterType.Order)
{
sqlStatementPrameter = config.ViewParameters.OrderByParameters.FirstOrDefault(p => string.Equals(p.ParameterName.ToLower(), parameter.Key.ToLower()));
}
if (parameter.Type == ParameterType.Group)
{
sqlStatementPrameter = config.ViewParameters.GroupByParameters.FirstOrDefault(p => string.Equals(p.ParameterName.ToLower(), parameter.Key.ToLower()));
}
if (sqlStatementPrameter != null)
{
sqlStatementPrameter.ParameterValue = parameter.Value.ToString();
}
}
}
}
bool result = await manager.GenerateAsync(Path.Combine(pathSearchConfig.TemplatesFilesDirectory, templateFile), config, reportFile,
ExcelReportGeneratorHelper.CreateParameters(worksheet, row, column));
if (result)
{
byte[] bytes = System.IO.File.ReadAllBytes(reportFile);
return(File(bytes, _expectedMimeTypes[MsExcelExtension], "Report.xlsx"));
}
return(null);
}
public static DbQueryParameter[] GetParameters(DbColumn[] columns)
{
var parameters = new DbQueryParameter[columns.Length];
for (var i = 0; i < columns.Length; i++)
{
parameters[i] = new DbQueryParameter(@"@" + NameProvider.ToParameterName(columns[i].Name));
}
return(parameters);
}
private static void AppendParameter(StringBuilder builder, DbQueryParameter parameter)
{
if (parameter.Conditions != null && parameter.Conditions.Count > 0)
{
for (int i = 0; i < parameter.Conditions.Count; i++)
{
builder.Append(_conditionsStatements[parameter.Conditions[i]]);
if (i == parameter.Conditions.Count - 1)
{
builder.Append(string.Format("{0} {1} {2}", parameter.ParameterName, parameter.ComparisonOperator, parameter.ParameterValue));
}
}
}
else
{
builder.Append(string.Format("{0} {1} {2}", parameter.ParameterName, parameter.ComparisonOperator, parameter.ParameterValue));
}
}
