/// <summary>
/// Extracts a <see cref="TableDescriptor"/> out of a metadata
/// </summary>
/// <param name="propertyMetadata">property</param>
/// <param name="schemaInClassName">schema</param>
/// <returns><see cref="TableDescriptor"/></returns>
public TableDescriptor GetTableDescriptorFrom(DbPropertyMetadata propertyMetadata, bool schemaInClassName)
{
var table = new TableDescriptor(propertyMetadata.Schema, propertyMetadata.Table, schemaInClassName);
if (tables.ContainsKey(table.ClassName))
return tables[table.ClassName];
tables.Add(table.ClassName, table);
return table;
}
private static string GetClassesFrom(TableDescriptor table)
{
StringBuilder classes = new StringBuilder()
.AppendLine(GetTableClassFrom(table));
foreach (DbPropertyMetadata property in table.Properties)
{
classes.AppendLine(GetPropertyClassFrom(table, property));
}
return classes.ToString();
}
private static string GetTableClassFrom(TableDescriptor table)
{
return string.Format(
@" public class {2} : D9.SQLQueryGenerator.Runtime.Model.Table.AbstractTable
{{
public {2}(string alias) : base(""{0}"", ""{1}"", alias)
{{
{3}
}}
public {2}() : this(null)
{{
}}
{4}
public {2} As(string alias)
{{
return new {2}(alias);
}}
}}",
table.Schema, table.Name, table.ClassName, GetFieldInitializersFor(table), GetFieldDeclerationsFor(table));
}
private static string GetPropertyClassFrom(TableDescriptor table, DbPropertyMetadata property)
{
return string.Format(
@" public class {0}_{1} : D9.SQLQueryGenerator.Runtime.Model.Field.AbstractField<{2}>
{{
public {0}_{1}(D9.SQLQueryGenerator.Runtime.Model.Table.AbstractTable table)
: base(table, ""{1}"")
{{
}}
}}",
table.ClassName, property.Column, property.Type.FullName);
}
private static string GetFieldInitializersFor(TableDescriptor table)
{
var initializers = new List<string>(table.Properties.Count);
foreach (DbPropertyMetadata property in table.Properties)
{
initializers.Add(string.Format(
@" {0} = new {1}_{2}(this);",
property.Column, table.ClassName, property.Column));
}
return string.Join(Environment.NewLine, initializers.ToArray());
}
private static string GetFieldDeclerationsFor(TableDescriptor table)
{
var declerations = new List<string>(table.Properties.Count);
foreach (DbPropertyMetadata property in table.Properties)
{
declerations.Add(string.Format(
@" public readonly {1}_{2} {0};",
property.Column, table.ClassName, property.Column));
}
return string.Join(Environment.NewLine, declerations.ToArray());
}