public static List <AtMappingColumn> ReadMetaDbContext(string fullDbContextName, string entityName, IEnumerable <PropertyMetadata> prosMeta = null, IEnumerable <NavigationMetadata> navsMeta = null)
{
var wrkProsMeta = new List <PropertyMetadata>();
if (prosMeta != null)
{
wrkProsMeta = prosMeta.ToList();
}
var wrkNavsMeta = new List <NavigationMetadata>();
if (navsMeta != null)
{
wrkNavsMeta = navsMeta.ToList();
}
var location = System.IO.Path.GetDirectoryName(typeof(AtHelper.AtDbContextHelper).Assembly.Location);
string dllDbContextFileName;
if (string.IsNullOrWhiteSpace(fullDbContextName))
{
dllDbContextFileName = System.IO.Path.Combine(location, entityName.Substring(0, entityName.IndexOf(".") + 1)) + "dll";
}
else
{
dllDbContextFileName = System.IO.Path.Combine(location, fullDbContextName.Substring(0, fullDbContextName.IndexOf(".") + 1)) + "dll";
}
var dbContextAsembly = System.Reflection.Assembly.LoadFile(dllDbContextFileName);
if (string.IsNullOrWhiteSpace(fullDbContextName))
{
var entityNameInstance = dbContextAsembly.CreateInstance(entityName);
fullDbContextName = (string)entityNameInstance.GetType()
.GetField(
"FULL_DB_CONTEXT_NAME",
BindingFlags.Public | BindingFlags.Static | BindingFlags.FlattenHierarchy
).GetValue(entityNameInstance);
entityName = entityName.Substring(entityName.LastIndexOf(".") + 1);
}
var context = (DbContext)dbContextAsembly.CreateInstance(fullDbContextName);
var itemEntityType = context.Model.GetEntityTypes().FirstOrDefault(h => h.ClrType.Name == entityName);
var listProperty = itemEntityType.GetProperties().ToList();
var listMapping = new List <AtMappingColumn>(listProperty.Count);
foreach (var itemProperty in listProperty)
{
var relational = itemProperty.Relational();
var columnType = relational.ColumnType.ToLowerInvariant();
var mapping = new AtMappingColumn();
mapping.SqlName = relational.ColumnName;
mapping.NetName = itemProperty.Name;
mapping.AllowNull = itemProperty.IsNullable;
// Tim map item tu sql type name
var columTypeRemoveLength = relational.ColumnType;
// Tim index cua dau bat dau maxlength cua kieu string hoac so ki tu hien thi cua kieu so
var indexOpenBrace = relational.ColumnType.IndexOf('(');
var maxLength = -1;
if (indexOpenBrace > 0)
{
columTypeRemoveLength = columTypeRemoveLength.Substring(0, indexOpenBrace);
var indexCloseBrace = relational.ColumnType.IndexOf(')');
var strMaxLength = relational.ColumnType.Substring(indexOpenBrace + 1, indexCloseBrace - indexOpenBrace - 1);
if (strMaxLength.ToLower() == "max")
{
maxLength = 4000;
}
else
{
if (int.TryParse(strMaxLength, out int outMaxLength))
{
maxLength = outMaxLength;
}
}
}
var mapSqlToNet = MAP_SQL_TO_NET_TYPE.FirstOrDefault(h => h.SqlType == columTypeRemoveLength);
mapping.MapSqlToNetType = mapSqlToNet;
mapping.MaxLength = maxLength;
mapping.DisplayType = mapping.MapSqlToNetType.NetType;
if (mapping.AllowNull)
{
if (mapping.MapSqlToNetType.IsValueType)
{
mapping.DisplayType = mapping.MapSqlToNetType.NetType + "?";
}
}
if (mapping.SqlName.EndsWith("_ReadOnly"))
{
mapping.IsReadOnly = true;
}
listMapping.Add(mapping);
var itemForeign = wrkProsMeta.FirstOrDefault(h => h.IsForeignKey && h.PropertyName == mapping.NetName);
if (itemForeign != null)
{
mapping.IsForeignKey = true;
var itemNavigation = wrkNavsMeta.FirstOrDefault(h => h.ForeignKeyPropertyNames != null && h.ForeignKeyPropertyNames.Contains(mapping.NetName));
if (itemNavigation != null)
{
mapping.NetNavigationPropertyName = itemNavigation.AssociationPropertyName;
}
}
var itemPrimary = wrkProsMeta.FirstOrDefault(h => h.IsPrimaryKey && h.PropertyName == mapping.NetName);
}
return(listMapping);
}
private void A(IEntityType itemEntityType, IEnumerable <PropertyMetadata> prosMeta = null, IEnumerable <NavigationMetadata> navsMeta = null)
{
var wrkProsMeta = new List <PropertyMetadata>();
if (prosMeta != null)
{
wrkProsMeta = prosMeta.ToList();
}
var wrkNavsMeta = new List <NavigationMetadata>();
if (navsMeta != null)
{
wrkNavsMeta = navsMeta.ToList();
}
var listProperty = itemEntityType.GetProperties().ToList();
var listMapping = new List <AtMappingColumn>(listProperty.Count);
foreach (var itemProperty in listProperty)
{
var relational = itemProperty.Relational();
var columnType = relational.ColumnType.ToLowerInvariant();
var mapping = new AtMappingColumn();
mapping.SqlName = relational.ColumnName;
mapping.NetName = itemProperty.Name;
mapping.AllowNull = itemProperty.IsNullable;
// Tim map item tu sql type name
var columTypeRemoveLength = relational.ColumnType;
// Tim index cua dau bat dau maxlength cua kieu string hoac so ki tu hien thi cua kieu so
var indexOpenBrace = relational.ColumnType.IndexOf('(');
var maxLength = -1;
if (indexOpenBrace > 0)
{
columTypeRemoveLength = columTypeRemoveLength.Substring(0, indexOpenBrace);
var indexCloseBrace = relational.ColumnType.IndexOf(')');
var strMaxLength = relational.ColumnType.Substring(indexOpenBrace + 1, indexCloseBrace - indexOpenBrace - 1);
if (strMaxLength.ToLower() == "max")
{
maxLength = 4000;
}
else
{
if (int.TryParse(strMaxLength, out int outMaxLength))
{
maxLength = outMaxLength;
}
}
}
var mapSqlToNet = MAP_SQL_TO_NET_TYPE.FirstOrDefault(h => h.SqlType == columTypeRemoveLength);
mapping.MapSqlToNetType = mapSqlToNet;
mapping.MaxLength = maxLength;
mapping.DisplayType = mapping.MapSqlToNetType.NetType;
if (mapping.AllowNull)
{
if (mapping.MapSqlToNetType.IsValueType)
{
mapping.DisplayType = mapping.MapSqlToNetType.NetType + "?";
}
}
if (mapping.SqlName.EndsWith("_ReadOnly"))
{
mapping.IsReadOnly = true;
}
listMapping.Add(mapping);
var itemForeign = wrkProsMeta.FirstOrDefault(h => h.IsForeignKey && h.PropertyName == mapping.NetName);
if (itemForeign != null)
{
mapping.IsForeignKey = true;
var itemNavigation = wrkNavsMeta.FirstOrDefault(h => h.ForeignKeyPropertyNames != null && h.ForeignKeyPropertyNames.Contains(mapping.NetName));
if (itemNavigation != null)
{
mapping.NetNavigationPropertyName = itemNavigation.AssociationPropertyName;
}
}
var itemPrimary = wrkProsMeta.FirstOrDefault(h => h.IsPrimaryKey && h.PropertyName == mapping.NetName);
}
}
