/// <summary>
///
/// </summary>
/// <param name="foreignKey"></param>
/// <param name="table"></param>
/// <returns></returns>
private ForeignKeyInfo GetForeignKey(IForeignKey foreignKey, EFTableInfo table)
{
var result = new ForeignKeyInfo();
result.Table = table;
result.Name = foreignKey.Relational().Name;
result.Column = table.GetColumn(foreignKey.GetColumnName());
result.ReferenceTable = GetReferenceTable(foreignKey);
result.ReferenceColumn = result.ReferenceTable.GetColumn(foreignKey.GetReferenceColumnName());
_migrateManager.CorrectName(result);
return(result);
}
/// <summary>
///
/// </summary>
/// <param name="table"></param>
/// <returns></returns>
private IEnumerable <UniqueKeyInfo> GetUniqueKeys(EFTableInfo table)
{
var indexes = table.Entity.GetIndexes().Where(w => w.IsUnique).ToList();
foreach (var index in indexes)
{
var uniqueInfo = new UniqueKeyInfo();
uniqueInfo.Table = table;
uniqueInfo.Name = index.Relational()?.Name;
uniqueInfo.UniqueColumns = index.Properties.Select(s => GetUniqueColumn(table, s)).ToList();
_migrateManager.CorrectName(uniqueInfo);
yield return(uniqueInfo);
}
}
/// <summary>
///
/// </summary>
/// <param name="table"></param>
/// <param name="property"></param>
/// <returns></returns>
private ColumnInfo GetColumn(EFTableInfo table, IProperty property)
{
var columnRelational = property.Relational();
var column = new ColumnInfo();
column.Table = table;
column.Name = columnRelational.ColumnName;
column.Description = property.PropertyInfo.GetSummary();
column.Type = new EFColumnTypeInfo(property);
column.IsAllowNull = property.IsNullable;
column.DefaultValue = columnRelational.DefaultValue;
column.Identity = GetIdentity(property);
_migrateManager.CorrectName(column);
return(column);
}
/// <summary>
///
/// </summary>
/// <param name="context"></param>
/// <param name="entity"></param>
/// <returns></returns>
private EFTableInfo ConvertToTableInfo(DbContext context, IEntityType entity)
{
var mapping = entity.Relational();
var tableInfo = new EFTableInfo();
tableInfo.Context = context;
tableInfo.Entity = entity;
tableInfo.Name = mapping.TableName;
tableInfo.Schema = mapping.Schema ?? _databaseTablesManager.DefaultSchema;
tableInfo.ClrType = entity.ClrType;
tableInfo.Description = entity.ClrType.GetSummary();
_migrateManager.CorrectName(tableInfo);
tableInfo.Columns = GetColumns(tableInfo);
tableInfo.PrimaryKey = GetPrimaryKeyInfo(tableInfo);
tableInfo.UniqueKeys = GetUniqueKeys(tableInfo).ToList();
return(tableInfo);
}
/// <summary>
///
/// </summary>
/// <param name="table"></param>
/// <returns></returns>
private PrimaryKeyInfo GetPrimaryKeyInfo(EFTableInfo table)
{
var primary = table.Entity.FindPrimaryKey();
var primaryRelational = primary?.Relational();
if (primaryRelational == null)
{
return(null);
}
var result = new PrimaryKeyInfo();
result.Name = primaryRelational.Name;
result.Table = table;
var prop = primary.Properties?.FirstOrDefault();
var name = prop?.Relational()?.ColumnName;
result.PrimaryColumn = table.GetColumn(name);
_migrateManager.CorrectName(result);
return(result);
}
/// <summary>
///
/// </summary>
/// <param name="table"></param>
/// <returns></returns>
private List <ForeignKeyInfo> GetForeignKeys(EFTableInfo table)
{
var foreignKeys = table.Entity.GetForeignKeys();
return(foreignKeys.Select(s => GetForeignKey(s, table)).ToList());
}
/// <summary>
///
/// </summary>
/// <param name="table"></param>
/// <param name="property"></param>
/// <returns></returns>
private ColumnInfo GetUniqueColumn(EFTableInfo table, IProperty property)
{
return(table.GetColumn(property.Relational().ColumnName));
}
/// <summary>
///
/// </summary>
/// <param name="table"></param>
/// <returns></returns>
private List <ColumnInfo> GetColumns(EFTableInfo table)
{
var props = table.Entity.GetProperties();
return(props.Select(s => GetColumn(table, s)).ToList());
}
