/// <summary>
/// Return the new added column, tables or modified prooerty
/// Property Rename is not supported. renaming a property x will end up removing the column x and adding column y so there will be dataloss
/// Adding a primary key is not supported either
/// Abstract classes are ignored by default
/// </summary>
/// <assembly> Null for the current executed Assembly </assembly>
/// <returns></returns>
protected CodeToDataBaseMergeCollection GetCodeLatestChanges(Assembly assembly = null)
{
var codeToDataBaseMergeCollection = new CodeToDataBaseMergeCollection(this);
MethodHelper.GetDbEntitys(assembly ?? this.GetType().Assembly).ForEach(x =>
{
if (!x.IsAbstract) // Ignore abstract classes by default
{
_dbSchema.GetDatabase_Diff(x, codeToDataBaseMergeCollection);
}
});
return(codeToDataBaseMergeCollection);
}
public CodeToDataBaseMergeCollection GetDatabase_Diff(Type tableType, CodeToDataBaseMergeCollection str = null, List <Type> createdTables = null)
{
str = str ?? new CodeToDataBaseMergeCollection(_repository);
if (tableType.GetCustomAttribute <ExcludeFromAbstract>() != null || _alreadyControlled.Any(x => x == tableType))
{
return(str);
}
_repository.CreateSchema(tableType);
tableType = tableType.GetActualType();
_alreadyControlled.Add(tableType);
createdTables = createdTables ?? new List <Type>();
if (createdTables.Any(x => x == tableType) || tableType.GetPrimaryKey() == null)
{
return(str);
}
if (CodeToDataBaseMergeCollection.ExecutedData.ContainsKey(tableType.FullName + _repository.DataBaseTypes.ToString()))
{
return(str);
}
createdTables.Add(tableType);
var table = _repository.GetColumnSchema(tableType);
var tableName = tableType.TableName();
var props = DeepCloner.GetFastDeepClonerProperties(tableType).Where(x => x.CanRead && !x.ContainAttribute <ExcludeFromAbstract>());
var codeToDataBaseMerge = new CodeToDataBaseMerge()
{
Object_Type = tableType
};
var isPrimaryKey = "";
if (!IsValidName(tableName.Name))
{
throw new EntityException(tableName.Name + " is not a valid Name for the current provider " + _repository.DataBaseTypes);
}
if (!table.Values.Any())
{
codeToDataBaseMerge.Sql = new StringBuilder($"CREATE TABLE {tableName.GetName(_repository.DataBaseTypes)} (");
foreach (var prop in props.Where(x => (x.GetDbTypeByType(_repository.DataBaseTypes) != null || !x.IsInternalType ||
x.ContainAttribute <JsonDocument>() || x.ContainAttribute <XmlDocument>()) &&
!x.ContainAttribute <ExcludeFromAbstract>()).GroupBy(x => x.Name).Select(x => x.First())
.OrderBy(x => x.ContainAttribute <PrimaryKey>() ? null : x.Name))
{
if (!prop.IsInternalType && !prop.ContainAttribute <JsonDocument>() && !prop.ContainAttribute <XmlDocument>())
{
if (!str.Any(x => x.Object_Type == prop.PropertyType.GetActualType()) && createdTables.All(x => x != prop.PropertyType.GetActualType()))
{
GetDatabase_Diff(prop.PropertyType, str, createdTables);
}
continue;
}
isPrimaryKey = prop.ContainAttribute <PrimaryKey>() ? prop.GetPropertyName() : isPrimaryKey;
var foreignKey = prop.GetCustomAttribute <ForeignKey>();
var dbType = prop.GetDbTypeByType(_repository.DataBaseTypes);
var propName = string.Format("[{0}]", prop.GetPropertyName());
codeToDataBaseMerge.Sql.Append(propName + " ");
if (!IsValidName(prop.GetPropertyName()))
{
throw new Exception(prop.GetPropertyName() + " is not a valid Name for the current provider " + _repository.DataBaseTypes);
}
if (!prop.ContainAttribute <PrimaryKey>() || _repository.DataBaseTypes == DataBaseTypes.Mssql)
{
codeToDataBaseMerge.Sql.Append(dbType + " ");
}
if (foreignKey != null && createdTables.All(x => x != foreignKey.Type))
{
GetDatabase_Diff(foreignKey.Type, str, createdTables);
}
if (prop.ContainAttribute <PrimaryKey>())
{
if (prop.PropertyType.IsNumeric() && prop.GetCustomAttribute <PrimaryKey>().AutoGenerate)
{
codeToDataBaseMerge.Sql.Append(_repository.DataBaseTypes == DataBaseTypes.Mssql ? "IDENTITY(1,1) NOT NULL," : (_repository.DataBaseTypes == DataBaseTypes.Sqllight ? " Integer PRIMARY KEY AUTOINCREMENT," : " BIGSERIAL PRIMARY KEY,"));
}
else
{
codeToDataBaseMerge.Sql.Append(_repository.DataBaseTypes == DataBaseTypes.Mssql ? "NOT NULL," : " " + dbType + " PRIMARY KEY,");
}
continue;
}
if (foreignKey != null)
{
var key = propName + "-" + tableName.GetName(_repository.DataBaseTypes);
if (!str.Keys.ContainsKey(key))
{
str.Keys.Add(key, new Tuple <string, ForeignKey>(tableName.GetName(_repository.DataBaseTypes), foreignKey));
}
}
codeToDataBaseMerge.Sql.Append((Nullable.GetUnderlyingType(prop.PropertyType) != null || prop.PropertyType == typeof(string)) && !prop.ContainAttribute <NotNullable>() ? " NULL," : " NOT NULL,");
}
if (str.Keys.Any() && _repository.DataBaseTypes == DataBaseTypes.Sqllight)
{
while (str.Keys.Any(x => x.Value.Item1 == tableName.Name))
{
var key = str.Keys.FirstOrDefault(x => x.Value.Item1 == tableName.Name);
var type = key.Value.Item2.Type.GetActualType();
var keyPrimary = type.GetPrimaryKey().GetPropertyName();
var tb = type.TableName();
codeToDataBaseMerge.Sql.Append("FOREIGN KEY(" + key.Key.Split('-')[0] + ") REFERENCES " + tb.GetName(_repository.DataBaseTypes) + "(" + keyPrimary + "),");
str.Keys.Remove(key.Key);
}
}
if (!string.IsNullOrEmpty(isPrimaryKey) && _repository.DataBaseTypes == DataBaseTypes.Mssql)
{
codeToDataBaseMerge.Sql.Append(" CONSTRAINT [PK_" + tableName.Name + "] PRIMARY KEY CLUSTERED");
codeToDataBaseMerge.Sql.Append(" ([" + isPrimaryKey + "] ASC");
codeToDataBaseMerge.Sql.Append(")");
codeToDataBaseMerge.Sql.Append("WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]");
codeToDataBaseMerge.Sql.Append(") ON [PRIMARY]");
}
else
{
if (_repository.DataBaseTypes == DataBaseTypes.Sqllight)
{
codeToDataBaseMerge.Sql = new StringBuilder(codeToDataBaseMerge.Sql.ToString().TrimEnd(','));
}
codeToDataBaseMerge.Sql.Append(")");
}
str.Add(codeToDataBaseMerge);
}
else
{
foreach (var prop in props.Where(x => (x.GetDbTypeByType(_repository.DataBaseTypes) != null || !x.IsInternalType) && !x.ContainAttribute <ExcludeFromAbstract>()).GroupBy(x => x.Name).Select(x => x.First())
.OrderBy(x => x.ContainAttribute <PrimaryKey>() ? null : x.Name))
{
if (prop.ContainAttribute <ForeignKey>())
{
GetDatabase_Diff(prop.GetCustomAttribute <ForeignKey>().Type, str, createdTables);
}
var propType = prop.PropertyType;
if (prop.ContainAttribute <Stringify>() ||
prop.ContainAttribute <DataEncode>() ||
prop.ContainAttribute <ToBase64String>() ||
prop.ContainAttribute <JsonDocument>() ||
prop.ContainAttribute <XmlDocument>())
{
propType = typeof(string);
}
var modify = prop.IsInternalType || prop.ContainAttribute <JsonDocument>() || prop.ContainAttribute <XmlDocument>() ? (_repository.DataBaseTypes == DataBaseTypes.PostgreSql ? table.Get(prop.GetPropertyName().ToLower()) : table.Get(prop.GetPropertyName())) : null;
if (modify != null)
{
if (_repository.DataBaseTypes != DataBaseTypes.Sqllight && !(prop.GetDbTypeListByType(_repository.DataBaseTypes).Any(x => x.ToLower().Contains(modify.DataType.ToLower()))) && _repository.DataBaseTypes != DataBaseTypes.PostgreSql)
{
var constraine = Properties.Resources.DropContraine
.Replace("@tb", $"'{tableName.Name}'").Replace("@col", $"'{prop.GetPropertyName()}'")
.Replace("@schema", $"'{tableName.Schema ?? ""}'")
.Replace("@TableName", "@" + counter++)
.Replace("@ColumnName", "@" + counter++)
.Replace("@fullName", "@" + counter++)
.Replace("@DROP_COMMAND", "@" + counter++)
.Replace("@FOREIGN_KEY_NAME", "@" + counter++);
codeToDataBaseMerge.Sql.Append(constraine);
codeToDataBaseMerge.Sql.Append($"\nALTER TABLE {tableName.GetName(_repository.DataBaseTypes)} ALTER COLUMN [{prop.GetPropertyName()}] {prop.GetDbTypeByType(_repository.DataBaseTypes)} {((Nullable.GetUnderlyingType(propType) != null || propType == typeof(string)) && !prop.ContainAttribute<NotNullable>() ? " NULL" : " NOT NULL")}");
}
else
{
if (!(prop.GetDbTypeListByType(_repository.DataBaseTypes).Any(x => x.ToLower().Contains(modify.DataType.ToLower()))) && _repository.DataBaseTypes == DataBaseTypes.PostgreSql)
{
codeToDataBaseMerge.Sql.Append($"\nALTER TABLE {tableName.GetName(_repository.DataBaseTypes)} ALTER COLUMN [{prop.GetPropertyName()}] TYPE {prop.GetDbTypeByType(_repository.DataBaseTypes)}, ALTER COLUMN [{prop.GetPropertyName()}] SET DEFAULT {Querys.GetValueByTypeSTRING(MethodHelper.ConvertValue(null, propType), _repository.DataBaseTypes)};");
}
}
}
else if (!prop.IsInternalType && !prop.ContainAttribute <JsonDocument>() && !prop.ContainAttribute <XmlDocument>())
{
GetDatabase_Diff(prop.PropertyType, str, createdTables);
}
else
{
codeToDataBaseMerge.Sql.Append(string.Format("\nALTER TABLE {0} ADD " + (_repository.DataBaseTypes == DataBaseTypes.PostgreSql ? "COLUMN" : "") + " [{1}] {2} {3} DEFAULT {4};", tableName.GetName(_repository.DataBaseTypes), prop.GetPropertyName(), prop.GetDbTypeByType(_repository.DataBaseTypes),
(Nullable.GetUnderlyingType(propType) != null || propType == typeof(string)) && !prop.ContainAttribute <NotNullable>() ? " NULL" : " NOT NULL", Querys.GetValueByTypeSTRING(MethodHelper.ConvertValue(null, propType), _repository.DataBaseTypes)));
}
}
}
var colRemove = new CodeToDataBaseMerge()
{
Object_Type = tableType
};
// Now lets clean the table and remove unused columns
foreach (var col in table.Values.Where(x =>
!props.Any(a => string.Equals(x.ColumnName, a.GetPropertyName(), StringComparison.CurrentCultureIgnoreCase) &&
(a.GetDbTypeByType(_repository.DataBaseTypes) != null || (!a.IsInternalType || a.ContainAttribute <JsonDocument>() || a.ContainAttribute <XmlDocument>())) &&
!a.ContainAttribute <ExcludeFromAbstract>())))
{
if (_repository.DataBaseTypes != DataBaseTypes.Sqllight)
{
if (_repository.DataBaseTypes == DataBaseTypes.Mssql)
{
var constraine = Properties.Resources.DropContraine
.Replace("@tb", $"'{tableName.Name}'")
.Replace("@col", $"'{col.ColumnName}'")
.Replace("@schema", $"'{tableName.Schema ?? ""}'")
.Replace("@TableName", "@" + counter++)
.Replace("@ColumnName", "@" + counter++)
.Replace("@fullName", "@" + counter++)
.Replace("@DROP_COMMAND", "@" + counter++)
.Replace("@FOREIGN_KEY_NAME", "@" + counter++);
colRemove.Sql.Append(constraine);
}
colRemove.Sql.Append(string.Format("\nALTER TABLE {0} DROP COLUMN IF EXISTS [{1}];", tableName.GetName(_repository.DataBaseTypes), col.ColumnName));
}
else
{
colRemove.Sql.Append(string.Format("DROP TABLE IF exists [{0}_temp];\nCREATE TABLE [{0}_temp] AS SELECT {1} FROM [{0}];", tableName.Name, string.Join(",", table.Values.ToList().FindAll(x =>
props.Any(a => string.Equals(x.ColumnName, a.GetPropertyName(), StringComparison.CurrentCultureIgnoreCase) &&
(a.GetDbTypeByType(_repository.DataBaseTypes) != null || !a.IsInternalType) &&
!a.ContainAttribute <ExcludeFromAbstract>())).Select(x => x.ColumnName))));
colRemove.Sql.Append(string.Format("DROP TABLE [{0}];\n", tableName.Name));
colRemove.Sql.Append(string.Format("ALTER TABLE [{0}_temp] RENAME TO [{0}]; ", tableName.Name));
}
colRemove.DataLoss = true;
}
str.Add(colRemove);
foreach (var prop in props.Where(x => !x.IsInternalType && !x.ContainAttribute <JsonDocument>() && !x.ContainAttribute <XmlDocument>() && !x.ContainAttribute <XmlDocument>() && !x.ContainAttribute <ExcludeFromAbstract>()).GroupBy(x => x.Name).Select(x => x.First()))
{
var type = prop.PropertyType.GetActualType();
if (type.GetPrimaryKey() != null)
{
GetDatabase_Diff(type, str, createdTables);
}
}
str.Add(codeToDataBaseMerge);
return(str);
}
