/// <summary>
/// Initializes the manager.
/// NOTE: This method should be called before the usage of the manager,
/// usually at the entry point of the application!
/// </summary>
/// <returns></returns>
public async Task InitializeAsync()
{
// If there isn't an options file...
if (!File.Exists(OptionsFileName))
{
// There is nothing to initialize from, so return
return;
}
// Get the options
var options = XMLHelpers.FromXml <CeidDiplomatikiOptionsDataModel>(OptionsFileName);
// For every database...
foreach (var database in options.Databases)
{
// Add it
Register(database);
}
// For every database options...
foreach (var databaseOptions in Databases)
{
// Get the connection string
databaseOptions.TryGetConnectionString(out var connectionString);
// Get the analyzer
var analyzer = CeidDiplomatikiDI.GetDatabaseAnalyzer(databaseOptions.Provider);
// Get the database
var database = analyzer.GetDatabases().First(x => x.DatabaseName == databaseOptions.DatabaseName);
// Get the tables
var tables = analyzer.GetTables(databaseOptions.DatabaseName);
// Get the columns
var columns = analyzer.GetColumns(database.DatabaseName, null);
// For every query map related to that database...
foreach (var queryMapDataModel in options.QueryMaps.Where(x => x.DatabaseId == databaseOptions.Id))
{
// The joins collection
var joins = new List <JoinMap>();
// For every pair...
foreach (var joinDataModel in queryMapDataModel.Joins)
{
// Get the principle column
var principleColumn = columns.First(x => x.ColumnName == joinDataModel.PrincipleKeyColumnName);
// Get the foreign key column
var referencedColumn = columns.First(x => x.ColumnName == joinDataModel.ForeignKeyColumnName);
// Create the join map
var joinMap = new JoinMap(tables.First(x => x.TableName == joinDataModel.TableName), principleColumn, tables.First(x => x.TableName == joinDataModel.ReferencedTableName), referencedColumn, joinDataModel.Index, joinDataModel.IsInverted);
// Add it to the joins
joins.Add(joinMap);
}
// Create the map
var queryMap = QueryMap.FromDataModel(databaseOptions, database, tables.Where(x => queryMapDataModel.TableNames.Contains(x.TableName)).ToList(), columns.Where(x => queryMapDataModel.TableNames.Contains(x.TableName)).ToList(), joins, queryMapDataModel);
// Register it
await RegisterAsync(queryMap);
}
}
// For every page...
foreach (var page in options.PageMaps)
{
// Add it
Register(PageMap.FromDataModel(page, null));
}
// Await a task
await Task.CompletedTask;
}