/// <summary>
/// Initializes a new instance of the <see cref="T:Ceen.Database.ColumnMapping"/> class.
/// </summary>
/// <param name="dialect">The database dialect.</param>
/// <param name="property">The property to map.</param>
public ColumnMapping(IDatabaseDialect dialect, PropertyInfo property)
{
Name = dialect.GetName(property);
IsPrimaryKey = property.GetCustomAttributes <PrimaryKeyAttribute>(true).Any();
SqlType = dialect.GetSqlColumnType(property);
Property = property;
}
/// <summary>
/// Initializes a new instance of the <see cref="T:Ceen.Database.ColumnMapping"/> class.
/// </summary>
/// <param name="dialect">The database dialect.</param>
/// <param name="member">The member to map.</param>
/// <param name="memberType">The member type</param>
private ColumnMapping(IDatabaseDialect dialect, MemberInfo member, Type memberType)
{
Member = member ?? throw new ArgumentNullException(nameof(member));
MemberType = memberType;
ColumnName = dialect.GetName(member);
QuotedColumnName = dialect.QuoteName(ColumnName);
IsPrimaryKey = member.GetCustomAttributes <PrimaryKeyAttribute>(true).Any();
var sqlType = dialect.GetSqlColumnType(member);
SqlType = sqlType.Item1;
AutoGenerateAction = sqlType.Item2;
ValidationRules = member.GetCustomAttributes <ValidationBaseAttribute>(true).ToArray();
}
/// <summary>
/// Initializes a new instance of the <see cref="T:Ceen.Database.TableMapping"/> class.
/// </summary>
/// <param name="dialect">The database dialect.</param>
/// <param name="type">The type to mape.</param>
/// <param name="nameoverride">An optional name override for the table name</param>
public TableMapping(IDatabaseDialect dialect, Type type, string nameoverride = null)
{
Dialect = dialect ?? throw new ArgumentNullException(nameof(dialect));
Type = type;
Name = nameoverride ?? dialect.GetName(type);
AllColumns = type
.GetProperties()
.Where(x => !x.GetCustomAttributes <IgnoreAttribute>(true).Any())
.Select(x => new ColumnMapping(dialect, x))
.ToArray();
ColumnsWithoutPrimaryKey = AllColumns.Where(x => !x.IsPrimaryKey).ToArray();
PrimaryKeys = AllColumns.Where(x => x.IsPrimaryKey).ToArray();
AllColumnsBySqlName = AllColumns.ToDictionary(x => x.Name, x => x);
AllColumnsByPropertyName = AllColumns.ToDictionary(x => x.Property.Name, x => x);
// Build the unique maps
var uniques = AllColumns
.Select(x => new Tuple <ColumnMapping, string[]>(x, x.Property.GetCustomAttributes <UniqueAttribute>().Select(y => y.Group).ToArray()))
.Where(x => x.Item2 != null && x.Item2.Length > 0);
var solos = uniques.Where(x => x.Item2.Contains(null));
var groups = uniques
.SelectMany(x =>
x.Item2
.Where(y => y != null)
.Select(y => new KeyValuePair <string, ColumnMapping>(y, x.Item1))
)
.GroupBy(x => x.Key);
Uniques =
solos
.Select(x => new UniqueMapping(null, new ColumnMapping[] { x.Item1 }))
.Concat(
groups.Select(x => new UniqueMapping(x.Key, x.Select(y => y.Value).ToArray()))
).ToArray();
}
/// <summary>
/// Initializes a new instance of the <see cref="T:Ceen.Database.TableMapping"/> class.
/// </summary>
/// <param name="dialect">The database dialect.</param>
/// <param name="type">The type to mape.</param>
/// <param name="nameoverride">An optional name override for the table name</param>
/// <param name="ignorefields">An optional flag that removes all fields from the map</param>
public TableMapping(IDatabaseDialect dialect, Type type, string nameoverride = null, bool ignoreFields = false)
{
Dialect = dialect ?? throw new ArgumentNullException(nameof(dialect));
Type = type;
Name = nameoverride ?? dialect.GetName(type);
QuotedTableName = dialect.QuoteName(Name);
AllColumns = type
.GetProperties()
.Where(x => !x.GetCustomAttributes <IgnoreAttribute>(true).Any())
.Select(x => new ColumnMapping(dialect, x))
.Concat(
type
.GetFields()
.Where(x => !x.GetCustomAttributes <IgnoreAttribute>(true).Any() && !ignoreFields)
.Select(x => new ColumnMapping(dialect, x))
)
.ToArray();
var dbcreated = new[] { AutoGenerateAction.DatabaseAutoID, AutoGenerateAction.DatabaseChangeTimestamp, AutoGenerateAction.DatabaseCreateTimestamp };
InsertColumns = AllColumns.Where(x => !dbcreated.Contains(x.AutoGenerateAction)).ToArray();
ColumnsWithoutPrimaryKey = AllColumns.Where(x => !x.IsPrimaryKey).ToArray();
UpdateColumns = ColumnsWithoutPrimaryKey.Where(x => !dbcreated.Contains(x.AutoGenerateAction)).ToArray();
PrimaryKeys = AllColumns.Where(x => x.IsPrimaryKey).ToArray();
AllColumnsBySqlName = AllColumns.ToDictionary(x => x.ColumnName, x => x);
AllColumnsByMemberName = AllColumns.ToDictionary(x => x.Member.Name, x => x);
// Build the unique maps
var uniques = AllColumns
.Select(x => new Tuple <ColumnMapping, string[]>(x, x.Member.GetCustomAttributes <UniqueAttribute>().Select(y => y.Group).ToArray()))
.Where(x => x.Item2 != null && x.Item2.Length > 0);
var solos = uniques.Where(x => x.Item2.Contains(null));
var groups = uniques
.SelectMany(x =>
x.Item2
.Where(y => y != null)
.Select(y => new KeyValuePair <string, ColumnMapping>(y, x.Item1))
)
.GroupBy(x => x.Key);
Uniques =
solos
.Select(x => new UniqueMapping(null, new ColumnMapping[] { x.Item1 }))
.Concat(
groups.Select(x => new UniqueMapping(x.Key, x.Select(y => y.Value).ToArray()))
).ToArray();
ClientGenerated = new HashSet <ColumnMapping>(AllColumns
.Where(x =>
x.AutoGenerateAction == AutoGenerateAction.ClientGenerateGuid ||
x.AutoGenerateAction == AutoGenerateAction.ClientChangeTimestamp ||
x.AutoGenerateAction == AutoGenerateAction.ClientCreateTimestamp
)
);
DatabaseGenerated = new HashSet <ColumnMapping>(AllColumns
.Where(x =>
x.AutoGenerateAction == AutoGenerateAction.DatabaseAutoID ||
x.AutoGenerateAction == AutoGenerateAction.DatabaseChangeTimestamp ||
x.AutoGenerateAction == AutoGenerateAction.DatabaseCreateTimestamp
)
);
IsPrimaryKeyAutogenerated = PrimaryKeys.Any(x => x.AutoGenerateAction == AutoGenerateAction.DatabaseAutoID);
HasDatabaseGeneratedCreateTimestamp = ColumnsWithoutPrimaryKey.Any(x => x.AutoGenerateAction == AutoGenerateAction.DatabaseCreateTimestamp);
HasDatabaseGeneratedChangeTimestamp = ColumnsWithoutPrimaryKey.Any(x => x.AutoGenerateAction == AutoGenerateAction.DatabaseChangeTimestamp);
ValidationRules = type.GetCustomAttributes <ValidationBaseAttribute>(true).ToArray();
AllColumnsWithValidationRules = AllColumns.Where(x => x.ValidationRules.Length > 0).ToArray();
HasValidationRules = ValidationRules.Length + AllColumnsWithValidationRules.Length > 0;
}
/// <summary> /// Gets the name for a class /// </summary> /// <param name="self">The dialect instance to use</param> /// <returns>The name.</returns> /// <typeparam name="T">The type to get the name from</typeparam> public static string GetName <T>(this IDatabaseDialect self) => self.GetName(typeof(T));
