protected virtual List<string> GetSqlDbTypeParts(DiffColumn col, Type type)
{
List<string> parts = new List<string>();
var pair = CurrentSchema.Settings.GetSqlDbTypePair(type);
if (pair.SqlDbType != col.SqlDbType)
parts.Add("SqlDbType = SqlDbType." + col.SqlDbType);
var defaultSize = CurrentSchema.Settings.GetSqlSize(null, pair.SqlDbType);
if (defaultSize != null)
{
if (!(defaultSize == col.Precission || defaultSize == col.Length / DiffColumn.BytesPerChar(col.SqlDbType) || defaultSize == int.MaxValue && col.Length == -1))
parts.Add("Size = " + (col.Length == -1 ? "int.MaxValue" :
col.Length != 0 ? (col.Length / DiffColumn.BytesPerChar(col.SqlDbType)).ToString() :
col.Precission != 0 ? col.Precission.ToString() : "0"));
}
var defaultScale = CurrentSchema.Settings.GetSqlScale(null, col.SqlDbType);
if (defaultScale != null)
{
if (!(col.Scale == defaultScale))
parts.Add("Scale = " + col.Scale);
}
if (col.Default != null)
parts.Add("Default = \"" + CleanDefault(col.Default) + "\"");
return parts;
}
protected virtual string GetRelatedEntity(DiffTable table, DiffColumn col)
{
if (col.ForeignKey == null)
return null;
return GetEntityName(col.ForeignKey.TargetTable);
}
protected virtual IEnumerable <string> GetFieldAttributes(DiffTable table, DiffColumn col, string relatedEntity, bool isMList)
{
List <string> attributes = new List <string>();
if (RequiresNotNullableAttribute(col, relatedEntity) && NotNullAttributeNecessary(table, col, isMList))
{
attributes.Add("NotNullable");
}
if (col.ForeignKey == null)
{
string sqlDbType = GetSqlTypeAttribute(table, col);
if (sqlDbType != null)
{
attributes.Add(sqlDbType);
}
}
if (RequiresColumnName(table, col))
{
attributes.Add("ColumnName(\"" + col.Name + "\")");
}
if (HasUniqueIndex(table, col))
{
attributes.Add("UniqueIndex");
}
return(attributes);
}
protected virtual string GetBackColumnNameAttribute(DiffColumn backReference)
{
if (backReference.Name == "ParentID")
return null;
return "BackReferenceColumnName(\"{0}\")".FormatWith(backReference.Name);
}
protected virtual string GetStringLengthValidator(DiffTable table, DiffColumn col, string relatedEntity)
{
if (GetValueType(col) != typeof(string))
{
return(null);
}
var parts = new List <string>();
parts.Add("AllowNulls = " + col.Nullable.ToString().ToLower());
var min = GetMinStringLength(col);
if (min != null)
{
parts.Add("Min = " + min);
}
if (col.Length != -1)
{
parts.Add("Max = " + col.Length / DiffColumn.BytesPerChar(col.SqlDbType));
}
return("StringLengthValidator(" + parts.ToString(", ") + ")");
}
protected virtual string GetPrimaryKeyAttribute(DiffTable table)
{
DiffColumn primaryKey = GetPrimaryKeyColumn(table);
if (primaryKey == null)
return null;
var def = CurrentSchema.Settings.DefaultPrimaryKeyAttribute;
Type type = GetValueType(primaryKey);
List<string> parts = new List<string>();
if (primaryKey.Name != def.Name)
parts.Add("Name = \"" + primaryKey.Name + "\"");
if (primaryKey.Identity != def.Identity)
{
parts.Add("Identity = " + primaryKey.Identity.ToString().ToLower());
parts.Add("IdentityBehaviour = " + primaryKey.Identity.ToString().ToLower());
}
parts.AddRange(GetSqlDbTypeParts(primaryKey, type));
if (type != def.Type || parts.Any())
parts.Insert(0, "typeof(" + type.TypeName() + ")");
if(parts.Any())
return "PrimaryKey(" + parts.ToString(", ") + ")";
return null;
}
protected virtual bool HasUniqueIndex(DiffTable table, DiffColumn col)
{
return(table.Indices.Values.Any(ix =>
ix.FilterDefinition == null &&
ix.Columns.Only()?.Let(ic => ic.ColumnName == col.Name && ic.IsIncluded == false) == true &&
ix.IsUnique &&
ix.Type == DiffIndexType.NonClustered));
}
protected virtual string DefaultColumnName(DiffTable table, DiffColumn col)
{
string fieldName = GetFieldName(table, col).FirstUpper();
if (col.ForeignKey == null)
return fieldName;
return fieldName + "ID";
}
protected virtual string GetRelatedEntity(DiffTable table, DiffColumn col)
{
if (col.ForeignKey == null)
{
return(null);
}
return(GetEntityName(Tables.GetOrThrow(col.ForeignKey.TargetTable)));
}
protected virtual string GetSqlTypeAttribute(DiffTable table, DiffColumn col)
{
Type type = GetValueType(col);
List<string> parts = GetSqlDbTypeParts(col, type);
if (parts.Any())
return "SqlDbType(" + parts.ToString(", ") + ")";
return null;
}
protected virtual string GetSqlTypeAttribute(DiffTable table, DiffColumn col)
{
Type type = GetValueType(col);
List <string> parts = GetSqlDbTypeParts(col, type);
if (parts.Any() && SqlTypeAttributeNecessary(parts, table, col))
{
return("SqlDbType(" + parts.ToString(", ") + ")");
}
return(null);
}
protected virtual IEnumerable<string> GetPropertyAttributes(DiffTable table, DiffColumn col, string relatedEntity)
{
List<string> attributes = new List<string>();
if (HasNotNullableAttribute(col, relatedEntity) && GetValueType(col) != typeof(string))
attributes.Add("NotNullValidator");
string stringLengthValidator = GetStringLengthValidator(table, col, relatedEntity);
if(stringLengthValidator != null)
attributes.Add(stringLengthValidator);
return attributes;
}
protected virtual IEnumerable <string> GetPropertyAttributes(DiffTable table, DiffColumn col, string?relatedEntity)
{
List <string> attributes = new List <string>();
string?stringLengthValidator = GetStringLengthValidator(table, col, relatedEntity);
if (stringLengthValidator != null)
{
attributes.Add(stringLengthValidator);
}
return(attributes);
}
protected virtual List <string> GetSqlDbTypeParts(DiffColumn col, Type type)
{
List <string> parts = new List <string>();
var pair = CurrentSchema.Settings.GetSqlDbTypePair(type);
if (pair.DbType.SqlServer != col.DbType.SqlServer)
{
parts.Add("SqlDbType = SqlDbType." + col.DbType.SqlServer);
}
var defaultSize = CurrentSchema.Settings.GetSqlSize(null, null, pair.DbType);
if (defaultSize != null)
{
if (!(defaultSize == col.Length || defaultSize == int.MaxValue && col.Length == -1))
{
parts.Add("Size = " + (col.Length == -1 ? "int.MaxValue" :
col.Length != 0 ? col.Length.ToString() :
col.Precision != 0 ? col.Precision.ToString() : "0"));
}
}
var defaultPrecision = CurrentSchema.Settings.GetSqlPrecision(null, null, pair.DbType);
if (defaultPrecision != null)
{
if (defaultPrecision != col.Precision)
{
parts.Add("Precision = " + (col.Precision != 0 ? col.Precision.ToString() : "0"));
}
}
var defaultScale = CurrentSchema.Settings.GetSqlScale(null, null, col.DbType);
if (defaultScale != null)
{
if (!(col.Scale == defaultScale))
{
parts.Add("Scale = " + col.Scale);
}
}
if (col.DefaultConstraint != null)
{
parts.Add("Default = \"" + CleanDefault(col.DefaultConstraint.Definition) + "\"");
}
return(parts);
}
protected virtual string GetFieldName(DiffTable table, DiffColumn col)
{
string name = col.Name.Contains(' ') ? col.Name.ToPascal(false) : col.Name;
if (this.GetRelatedEntity(table, col) != null)
{
if (name.Length > 2 && name.EndsWith("Id", StringComparison.InvariantCultureIgnoreCase))
name = name.RemoveEnd("Id".Length);
if (name.Length > 2 && name.StartsWith("Id", StringComparison.InvariantCultureIgnoreCase))
name = name.RemoveStart("Id".Length);
}
return name.FirstLower();
}
protected virtual string GetFieldType(DiffTable table, DiffColumn col, string?relatedEntity)
{
var nullable = (col.Nullable ? "?" : "");
if (relatedEntity != null)
{
if (IsEnum(Tables.GetOrThrow(col.ForeignKey !.TargetTable)))
{
return(relatedEntity + nullable);
}
return((IsLite(table, col) ? "Lite<" + relatedEntity + ">" : relatedEntity) + nullable);
}
return(GetValueType(col).TypeName() + nullable);
}
protected virtual string WriteField(string fileName, DiffTable table, DiffColumn col)
{
string relatedEntity = GetRelatedEntity(table, col);
string type = GetFieldType(table, col, relatedEntity);
string fieldName = GetFieldName(table, col);
StringBuilder sb = new StringBuilder();
WriteAttributeTag(sb, GetFieldAttributes(table, col, relatedEntity, false));
WriteAttributeTag(sb, GetPropertyAttributes(table, col, relatedEntity));
sb.AppendLine("public {0} {1} {{ get; {2}set; }}".FormatWith(type, fieldName.FirstUpper(), IsReadonly(table, col) ? "private" : null));
return(sb.ToString());
}
protected virtual string GetFieldType(DiffTable table, DiffColumn col, string relatedEntity)
{
if (relatedEntity != null)
{
if (IsEnum(col.ForeignKey.TargetTable))
return col.Nullable ? relatedEntity + "?" : relatedEntity;
return IsLite(table, col) ? "Lite<" + relatedEntity + ">" : relatedEntity;
}
var valueType = GetValueType(col);
if (col.Nullable)
return valueType.Nullify().TypeName();
return valueType.TypeName();
}
protected virtual string GetFieldName(DiffTable table, DiffColumn col)
{
string name = !IdentifierValidatorAttribute.PascalAscii.IsMatch(col.Name) || col.Name.Contains("_") ? col.Name.ToPascal(false, false) : col.Name;
if (this.GetRelatedEntity(table, col) != null)
{
if (name.Length > 2 && name.EndsWith("Id", StringComparison.InvariantCultureIgnoreCase))
{
name = name.RemoveEnd("Id".Length);
}
if (name.Length > 2 && name.StartsWith("Id", StringComparison.InvariantCultureIgnoreCase))
{
name = name.RemoveStart("Id".Length);
}
}
return(name.FirstLower());
}
protected virtual string GetFieldType(DiffTable table, DiffColumn col, string?relatedEntity)
{
if (relatedEntity != null)
{
if (IsEnum(Tables.GetOrThrow(col.ForeignKey !.TargetTable)))
{
return(col.Nullable ? relatedEntity + "?" : relatedEntity);
}
return(IsLite(table, col) ? "Lite<" + relatedEntity + ">" : relatedEntity);
}
var valueType = GetValueType(col);
if (col.Nullable)
{
return(valueType.Nullify().TypeName());
}
return(valueType.TypeName());
}
protected virtual Type GetValueType(DiffColumn col)
{
switch (col.SqlDbType)
{
case SqlDbType.BigInt: return typeof(long);
case SqlDbType.Binary: return typeof(byte[]);
case SqlDbType.Bit: return typeof(bool);
case SqlDbType.Char: return typeof(char);
case SqlDbType.Date: return typeof(DateTime);
case SqlDbType.DateTime: return typeof(DateTime);
case SqlDbType.DateTime2: return typeof(DateTime);
case SqlDbType.DateTimeOffset: return typeof(DateTimeOffset);
case SqlDbType.Decimal: return typeof(Decimal);
case SqlDbType.Float: return typeof(double);
case SqlDbType.Image: return typeof(byte[]);
case SqlDbType.Int: return typeof(int);
case SqlDbType.Money: return typeof(decimal);
case SqlDbType.NChar: return typeof(string);
case SqlDbType.NText: return typeof(string);
case SqlDbType.NVarChar: return typeof(string);
case SqlDbType.Real: return typeof(float);
case SqlDbType.SmallDateTime: return typeof(DateTime);
case SqlDbType.SmallInt: return typeof(short);
case SqlDbType.SmallMoney: return typeof(decimal);
case SqlDbType.Text: return typeof(string);
case SqlDbType.Time: return typeof(TimeSpan);
case SqlDbType.Timestamp: return typeof(TimeSpan);
case SqlDbType.TinyInt: return typeof(byte);
case SqlDbType.UniqueIdentifier: return typeof(Guid);
case SqlDbType.VarBinary: return typeof(byte[]);
case SqlDbType.VarChar: return typeof(string);
case SqlDbType.Xml: return typeof(string);
case SqlDbType.Udt: return Schema.Current.Settings.UdtSqlName
.SingleOrDefaultEx(kvp => StringComparer.InvariantCultureIgnoreCase.Equals(kvp.Value, col.UserTypeName))
.Key;
default: throw new NotImplementedException("Unknown translation for " + col.SqlDbType);
}
}
protected virtual IEnumerable<string> GetFieldAttributes(DiffTable table, DiffColumn col, string relatedEntity)
{
List<string> attributes = new List<string>();
if (HasNotNullableAttribute(col, relatedEntity))
attributes.Add("NotNullable");
if (col.ForeignKey == null)
{
string sqlDbType = GetSqlTypeAttribute(table, col);
if (sqlDbType != null)
attributes.Add(sqlDbType);
}
if (GetEmbeddedField(table, col) != null || col.Name != DefaultColumnName(table, col))
attributes.Add("ColumnName(\"" + col.Name + "\")");
if (HasUniqueIndex(table, col))
attributes.Add("UniqueIndex");
return attributes;
}
protected virtual string?GetStringLengthValidator(DiffTable table, DiffColumn col, string?relatedEntity)
{
if (GetValueType(col) != typeof(string))
{
return(null);
}
var parts = new List <string>();
var min = GetMinStringLength(col);
if (min != null)
{
parts.Add("Min = " + min);
}
if (col.Length != -1)
{
parts.Add("Max = " + col.Length);
}
return("StringLengthValidator(" + parts.ToString(", ") + ")");
}
protected virtual string GetRelatedEntity(DiffTable table, DiffColumn col)
{
if (col.ForeignKey == null)
return null;
return GetEntityName(col.ForeignKey.TargetTable);
}
protected virtual bool IsReadonly(DiffTable table, DiffColumn col)
{
return false;
}
protected virtual string GetFieldType(DiffTable table, DiffColumn col, string relatedEntity)
{
if (relatedEntity != null)
{
if (IsEnum(col.ForeignKey.TargetTable))
return col.Nullable ? relatedEntity + "?" : relatedEntity;
return IsLite(table, col) ? "Lite<" + relatedEntity + ">" : relatedEntity;
}
var valueType = GetValueType(col);
if (col.Nullable)
return valueType.Nullify().TypeName();
return valueType.TypeName();
}
protected virtual bool SqlTypeAttributeNecessary(List <string> parts, DiffTable table, DiffColumn col)
{
var part = parts.Only();
if (part != null && part.StartsWith("Size = ") && GetValueType(col) == typeof(string))
{
return(false);
}
return(true);
}
protected virtual bool IsLite(DiffTable table, DiffColumn col)
{
return true;
}
protected virtual int?GetMinStringLength(DiffColumn col)
{
return(1);
}
protected virtual List<string> GetSqlDbTypeParts(DiffColumn col, Type type)
{
List<string> parts = new List<string>();
var pair = CurrentSchema.Settings.GetSqlDbTypePair(type);
if (pair.SqlDbType != col.SqlDbType)
parts.Add("SqlDbType = SqlDbType." + col.SqlDbType);
var defaultSize = CurrentSchema.Settings.GetSqlSize(null, pair.SqlDbType);
if (defaultSize != null)
{
if (!(defaultSize == col.Precission || defaultSize == col.Length / DiffColumn.BytesPerChar(col.SqlDbType) || defaultSize == int.MaxValue && col.Length == -1))
parts.Add("Size = " + (col.Length == -1 ? "int.MaxValue" :
col.Length != 0 ? (col.Length / DiffColumn.BytesPerChar(col.SqlDbType)).ToString() :
col.Precission != 0 ? col.Precission.ToString() : "0"));
}
var defaultScale = CurrentSchema.Settings.GetSqlScale(null, col.SqlDbType);
if (defaultScale != null)
{
if (!(col.Scale == defaultScale))
parts.Add("Scale = " + col.Scale);
}
if (col.Default != null)
parts.Add("Default = \"" + CleanDefault(col.Default) + "\"");
return parts;
}
protected virtual bool NotNullAttributeNecessary(DiffTable table, DiffColumn col, bool isMList)
{
return(false); //NotNullValidator is enought
}
protected virtual string GetBackColumnNameAttribute(DiffColumn backReference)
{
if (backReference.Name == "ParentID")
return null;
return "BackReferenceColumnName(\"{0}\")".FormatWith(backReference.Name);
}
protected virtual string GetFieldName(DiffTable table, DiffColumn col)
{
string name = col.Name.Contains(' ') ? col.Name.ToPascal(false) : col.Name;
if (this.GetRelatedEntity(table, col) != null)
{
if (name.Length > 2 && name.EndsWith("Id", StringComparison.InvariantCultureIgnoreCase))
name = name.RemoveEnd("Id".Length);
if (name.Length > 2 && name.StartsWith("Id", StringComparison.InvariantCultureIgnoreCase))
name = name.RemoveStart("Id".Length);
}
return name.FirstLower();
}
protected virtual bool HasNotNullableAttribute(DiffColumn col, string relatedEntity)
{
return !col.Nullable && (relatedEntity != null || GetValueType(col).IsClass);
}
protected virtual IEnumerable<string> GetFieldAttributes(DiffTable table, DiffColumn col, string relatedEntity)
{
List<string> attributes = new List<string>();
if (HasNotNullableAttribute(col, relatedEntity))
attributes.Add("NotNullable");
if (col.ForeignKey == null)
{
string sqlDbType = GetSqlTypeAttribute(table, col);
if (sqlDbType != null)
attributes.Add(sqlDbType);
}
if (GetEmbeddedField(table, col) != null || col.Name != DefaultColumnName(table, col))
attributes.Add("ColumnName(\"" + col.Name + "\")");
if (HasUniqueIndex(table, col))
attributes.Add("UniqueIndex");
return attributes;
}
protected virtual bool HasUniqueIndex(DiffTable table, DiffColumn col)
{
return table.Indices.Values.Any(a => a.FilterDefinition == null && a.Columns.Only() == col.Name && a.IsUnique && a.Type == DiffIndexType.NonClustered);
}
protected virtual bool RequiresColumnName(DiffTable table, DiffColumn col)
{
return GetEmbeddedField(table, col) != null || col.Name != DefaultColumnName(table, col);
}
protected virtual bool IsReadonly(DiffTable table, DiffColumn col)
{
return(false);
}
protected virtual string GetSqlTypeAttribute(DiffTable table, DiffColumn col)
{
Type type = GetValueType(col);
List<string> parts = GetSqlDbTypeParts(col, type);
if (parts.Any())
return "SqlDbType(" + parts.ToString(", ") + ")";
return null;
}
protected virtual string WriteField(string fileName, DiffTable table, DiffColumn col)
{
string relatedEntity = GetRelatedEntity(table, col);
string type = GetFieldType(table, col, relatedEntity);
string fieldName = GetFieldName(table, col);
StringBuilder sb = new StringBuilder();
WriteAttributeTag(sb, GetFieldAttributes(table, col, relatedEntity));
WriteAttributeTag(sb, GetPropertyAttributes(table, col, relatedEntity));
sb.AppendLine("public {0} {1} { get; {2}set; }".FormatWith(type, fieldName.FirstUpper(), IsReadonly(table, col) ? "private" : null));
return sb.ToString();
}
protected virtual IEnumerable<string> GetPropertyAttributes(DiffTable table, DiffColumn col, string relatedEntity)
{
List<string> attributes = new List<string>();
if (HasNotNullableAttribute(col, relatedEntity) && GetValueType(col) != typeof(string))
attributes.Add("NotNullValidator");
string stringLengthValidator = GetStringLengthValidator(table, col, relatedEntity);
if(stringLengthValidator != null)
attributes.Add(stringLengthValidator);
return attributes;
}
protected virtual bool RequiresNotNullableAttribute(DiffColumn col, string relatedEntity)
{
return(!col.Nullable && (relatedEntity != null || GetValueType(col).IsClass));
}
protected virtual Type GetValueType(DiffColumn col)
{
switch (col.SqlDbType)
{
case SqlDbType.BigInt: return typeof(long);
case SqlDbType.Binary: return typeof(byte[]);
case SqlDbType.Bit: return typeof(bool);
case SqlDbType.Char: return typeof(char);
case SqlDbType.Date: return typeof(DateTime);
case SqlDbType.DateTime: return typeof(DateTime);
case SqlDbType.DateTime2: return typeof(DateTime);
case SqlDbType.DateTimeOffset: return typeof(DateTimeOffset);
case SqlDbType.Decimal: return typeof(Decimal);
case SqlDbType.Float: return typeof(double);
case SqlDbType.Image: return typeof(byte[]);
case SqlDbType.Int: return typeof(int);
case SqlDbType.Money: return typeof(decimal);
case SqlDbType.NChar: return typeof(string);
case SqlDbType.NText: return typeof(string);
case SqlDbType.NVarChar: return typeof(string);
case SqlDbType.Real: return typeof(float);
case SqlDbType.SmallDateTime: return typeof(DateTime);
case SqlDbType.SmallInt: return typeof(short);
case SqlDbType.SmallMoney: return typeof(decimal);
case SqlDbType.Text: return typeof(string);
case SqlDbType.Time: return typeof(TimeSpan);
case SqlDbType.Timestamp: return typeof(TimeSpan);
case SqlDbType.TinyInt: return typeof(byte);
case SqlDbType.UniqueIdentifier: return typeof(Guid);
case SqlDbType.VarBinary: return typeof(byte[]);
case SqlDbType.VarChar: return typeof(string);
case SqlDbType.Xml: return typeof(string);
case SqlDbType.Udt: return Schema.Current.Settings.UdtSqlName
.SingleOrDefaultEx(kvp => StringComparer.InvariantCultureIgnoreCase.Equals(kvp.Value, col.UserTypeName))
.Key;
default: throw new NotImplementedException("Unknown translation for " + col.SqlDbType);
}
}
protected virtual string GetEmbeddedField(DiffTable table, DiffColumn col)
{
return null;
}
public MListInfo(DiffColumn backReferenceColumn)
{
this.BackReferenceColumn = backReferenceColumn;
}
protected virtual bool RequiresColumnName(DiffTable table, DiffColumn col)
{
return(GetEmbeddedField(table, col) != null || col.Name != DefaultColumnName(table, col));
}
protected virtual int? GetMinStringLength(DiffColumn col)
{
return 1;
}
protected virtual string GetStringLengthValidator(DiffTable table, DiffColumn col, string relatedEntity)
{
if (GetValueType(col) != typeof(string))
return null;
var parts = new List<string>();
parts.Add("AllowNulls = " + col.Nullable.ToString().ToLower());
var min = GetMinStringLength(col);
if (min != null)
parts.Add("Min = " + min);
if (col.Length != -1)
parts.Add("Max = " + col.Length / DiffColumn.BytesPerChar(col.SqlDbType));
return "StringLengthValidator(" + parts.ToString(", ") + ")";
}
protected virtual string DefaultColumnName(DiffTable table, DiffColumn col)
{
string fieldName = GetFieldName(table, col).FirstUpper();
if (col.ForeignKey == null)
return fieldName;
return fieldName + "ID";
}
protected virtual bool IsLite(DiffTable table, DiffColumn col)
{
return(true);
}
protected virtual DiffColumn GetMListTrivialElementColumn(DiffTable table, DiffColumn parentColumn, DiffColumn orderColumn)
{
return table.Columns.Values.Where(c => c != parentColumn && c != orderColumn && !c.PrimaryKey).Only();
}
