public static Workbook Merge(this Workbook workbook, WorkbookSheet sheet, bool softMerge = true)
{
return(Merge(workbook, new Workbook(string.Empty, new List <WorkbookSheet>()
{
sheet
}), softMerge));
}
/// <summary>
/// Map all the types decorated by <see cref="ClassMappingAttribute"/> from given workbooks files.
/// </summary>
/// <param name="workbookPaths">VALIDATED excel workbook paths.</param>
/// <returns>IEnumerable dictionary with all the types and values.</returns>
public async Task <WorkbookClassMapperResult> MapTypes(string[] workbookPaths)
{
Workbook[] workbooks = new Workbook[workbookPaths.Length];
for (int i = 0; i < workbookPaths.Length; i++)
{
workbooks[i] = await Workbook.CreateFromExcel(workbookPaths[i], workbookPaths[i]).ConfigureAwait(false);
}
List <TypeData> decoratedClasses = new List <TypeData>();
var assemblies = AppDomain.CurrentDomain.GetAssemblies();
foreach (Assembly assembly in assemblies)
{
try
{
decoratedClasses.AddRange(assembly.GetTypes()
.Where(t => t.IsDefined(typeof(ClassMappingAttribute)))
.Select(t =>
{
var attribute = t.GetCustomAttribute <ClassMappingAttribute>();
return(new TypeData(t, attribute.Automapping, attribute.WorkbookPath, attribute.SheetName));
}));
}
catch
{
continue;
}
}
Dictionary <Type, IList> resultInput = new Dictionary <Type, IList>(decoratedClasses.Count());
foreach (TypeData typeData in decoratedClasses)
{
if (workbooks.All(t => t.WorkbookName != typeData.WorkbookName))
{
throw new Exception($"Workbook '{typeData.WorkbookName}' for given type '{typeData.Type.FullName}' not found.");
}
// Get workbook if match name with workbook name from ClassMappingAttribute.
Workbook workbook = workbooks.FirstOrDefault(t => t.WorkbookName == typeData.WorkbookName);
// If ClassMappingAttribute contains sheet name than try to get it from the workbook else take first.
WorkbookSheet sheet = string.IsNullOrEmpty(typeData.SheetName)
? workbook.Sheets[0] : workbook.GetSheetByName(typeData.SheetName);
if (sheet.Columns.Count == 0 || sheet.Rows.Count == 0)
{
throw new Exception($"Sheet '{sheet.Name}' in workbook '{workbook.WorkbookName}' is empty");
}
var singleTypeResult = await MapType(typeData.Type, sheet, typeData.Automapping).ConfigureAwait(false);
resultInput.Add(singleTypeResult.Key, singleTypeResult.Value);
}
return(new WorkbookClassMapperResult(resultInput));
}
private async Task <KeyValuePair <Type, IList> > ManualMapType(Type type, WorkbookSheet sheet)
{
await Task.Delay(0).ConfigureAwait(false);
var fields = type.GetFields(BindingFlags.Public | BindingFlags.Instance)
.Where(f => f.IsDefined(typeof(FieldMappingAttribute)));
var properties = type.GetProperties(BindingFlags.Public | BindingFlags.Instance)
.Where(f => f.IsDefined(typeof(FieldMappingAttribute)));
List <object> values = new List <object>(sheet.Rows.Count - 1);
for (int r = 1; r < sheet.Rows.Count; r++)
{
var row = sheet.Rows[r];
object obj = Activator.CreateInstance(type);
foreach (FieldInfo field in fields)
{
FieldInfo fieldInfo = type.GetField(field.Name);
string lookingForColumnName =
fieldInfo.GetCustomAttribute <FieldMappingAttribute>().WorkbookHeader;
if (sheet.TryToGetColumnIndexByName(lookingForColumnName, out int value))
{
if (!ReflectionParser.SetValue(fieldInfo, obj, row[value].Value))
{
throw new Exception($"Field '{fieldInfo.Name}' in type '{type.FullName}' doesn't match the type of data in WorkbookSheet '{sheet.Name}' in column '{value}'");
}
}
else
{
throw new Exception($"In workbooksheet '{sheet.Name}' there is no such a column like '{lookingForColumnName}' defined in '{type.FullName}' on field '{fieldInfo.Name}'");
}
}
foreach (PropertyInfo property in properties)
{
PropertyInfo p = type.GetProperty(property.Name);
string lookingForColumnName =
p.GetCustomAttribute <FieldMappingAttribute>().WorkbookHeader;
if (sheet.TryToGetColumnIndexByName(lookingForColumnName, out int value))
{
if (!ReflectionParser.SetValue(p, obj, row[value].Value))
{
throw new Exception($"Property '{p.Name}' in type '{type.FullName}' doesn't match the type of data in WorkbookSheet '{sheet.Name}' in column '{value}'");
}
}
else
{
throw new Exception($"In workbooksheet '{sheet.Name}' there is no such a column like '{lookingForColumnName}' defined in '{type.FullName}' on property '{p.Name}'");
}
}
values.Add(obj);
}
return(new KeyValuePair <Type, IList>(type, values));
}
private async Task <KeyValuePair <Type, IList> > AutoMapType(Type type, WorkbookSheet sheet)
{
await Task.Delay(0).ConfigureAwait(false);
var fields = type.GetFields(BindingFlags.Public | BindingFlags.Instance)
.Where(w => sheet.WorkbookHeader.Titles.Contains(w.Name));
var properties = type.GetProperties(BindingFlags.Public | BindingFlags.Instance)
.Where(w => sheet.WorkbookHeader.Titles.Contains(w.Name));
// Iterate from 1 because header is on the index 0.
List <object> values = new List <object>(sheet.Rows.Count - 1);
for (int r = 1; r < sheet.Rows.Count; r++)
{
var row = sheet.Rows[r];
object obj = Activator.CreateInstance(type);
foreach (FieldInfo field in fields)
{
FieldInfo fieldInfo = type.GetField(field.Name);
if (sheet.TryToGetColumnIndexByName(fieldInfo.Name, out int value))
{
// If we can cast type
if (!ReflectionParser.SetValue(fieldInfo, obj, row[value].Value))
{
throw new Exception(
$"Field '{fieldInfo.Name}' in type '{type.FullName}' doesn't match the type of data in WorkbookSheet '{sheet.Name}' in column '{value}'");
}
}
}
foreach (PropertyInfo property in properties)
{
PropertyInfo p = type.GetProperty(property.Name);
if (sheet.TryToGetColumnIndexByName(p.Name, out int value))
{
if (!ReflectionParser.SetValue(p, obj, row[value].Value))
{
throw new Exception(
$"Property '{p.Name}' in type '{type.FullName}' doesn't match the type of data in WorkbookSheet '{sheet.Name}' in column '{value}'");
}
}
}
values.Add(obj);
}
return(new KeyValuePair <Type, IList>(type, values));
}
public async Task <KeyValuePair <Type, IList> > MapType(TypeWithAttribute <ClassMappingAttribute> typeToMap)
{
Workbook workbook = await Workbook.CreateFromExcel(
Path.GetFileNameWithoutExtension(typeToMap.Attribute.WorkbookPath),
typeToMap.Attribute.WorkbookPath).ConfigureAwait(false);
// Try to merge sheets inside this workbook.
// If one balance workbook is splited into separated sheets that share the same structure.
workbook.Merge();
// If ClassMappingAttribute contains sheet name than try to get it from the workbook else take first.
WorkbookSheet sheet = string.IsNullOrEmpty(typeToMap.Attribute.SheetName)
? workbook.Sheets[0] : workbook.GetSheetByName(typeToMap.Attribute.SheetName);
if (sheet.Columns.Count == 0 || sheet.Rows.Count == 0)
{
throw new Exception($"Sheet '{sheet.Name}' in workbook '{workbook.WorkbookName}' is empty");
}
return(await MapType(typeToMap.Type, sheet, typeToMap.Attribute.Automapping).ConfigureAwait(false));
}
public bool Merge(WorkbookSheet other)
{
if (!WorkbookHeader.Merge(other.WorkbookHeader))
{
return(false);
}
WorkbookColumn[] backupColumns = new WorkbookColumn[Columns.Count];
Columns.CopyTo(backupColumns);
for (int i = 0; i < Columns.Count; i++)
{
var column = Columns[i];
if (!column.Merge(other.Columns[i]))
{
Columns = backupColumns.ToList();
return(false);
}
Columns[i] = column;
}
Rows.AddRange(other.Rows);
return(true);
}
public bool Merge()
{
if (Sheets.Count < 2)
{
return(true);
}
WorkbookSheet sheet = Sheets[0];
for (int i = 1; i < Sheets.Count; i++)
{
if (!sheet.Merge(Sheets[i]))
{
return(false);
}
}
Sheets = new List <WorkbookSheet>()
{
sheet
};
return(true);
}
private async Task <KeyValuePair <Type, IList> > MapType(Type type, WorkbookSheet sheet, bool automapping)
{
return(automapping ? await AutoMapType(type, sheet) : await ManualMapType(type, sheet));
}