source upload

contrib/mORMot/SQLite3/Samples/35 - Practical DDD/05/serv/ServBookMain.pas

@@ -0,0 +1,84 @@
+/// Booking server implementation
+unit ServBookMain;
+
+interface
+
+uses
+  SysUtils,
+  Classes,
+  SynCommons,
+  mORMot,
+  SynSQLite3,
+  SynTable,
+  mORMotSQLite3,
+  mORMotDB,
+  dddInfraApps,
+  DomConferenceTypes,
+  DomConferenceInterfaces,
+  DomConferenceServices,
+  DomConferenceDepend,
+  InfraConferenceRepository;
+
+type
+  TBookProcessSettings = class(TSynAutoCreateFields)
+  private
+    fStore: TSynConnectionDefinition;
+  public
+    constructor Create; override;
+  published
+    property Store: TSynConnectionDefinition read fStore;
+  end;
+
+  TBookProcess = class(TSynPersistent)
+  protected
+    fSettings: TBookProcessSettings;
+    fRest: TSQLRest;
+    fBooking: IConferenceBooking;
+  public
+    constructor Create(aSettings: TBookProcessSettings); reintroduce;
+    destructor Destroy; override;
+    property Booking: IConferenceBooking read fBooking;
+    property Settings: TBookProcessSettings read fSettings;
+  end;
+
+
+implementation
+
+{ TBookProcessSettings }
+
+constructor TBookProcessSettings.Create;
+begin
+  inherited;
+  // use a local SQlite3 database file by default
+  fStore.Kind := 'TSQLRestServerDB'; // change Kind to switch to another engine
+  fStore.ServerName := ChangeFileExt(ExeVersion.ProgramFileName, '.db');
+end;
+
+
+{ TBookProcess }
+
+constructor TBookProcess.Create(aSettings: TBookProcessSettings);
+begin
+  inherited Create;
+  fSettings := aSettings;
+  fRest := TSQLRestExternalDBCreate(
+    TSQLModel.Create([TSQLBooking], 'book'), fSettings.Store, false, []);
+  fRest.Model.Owner := fRest;
+  if fRest is TSQLRestServerDB then
+    with TSQLRestServerDB(fRest) do begin // may be a client in settings :)
+      DB.Synchronous := smOff; // faster exclusive access to the file
+      DB.LockingMode := lmExclusive;
+      CreateMissingTables;     // will create the Booking table, if necessary
+    end;
+  fBooking := TConferenceBooking.Create(TORMBookingRepository.Create(fRest));
+end;
+
+destructor TBookProcess.Destroy;
+begin
+  inherited;
+  fBooking := nil; // before fRest
+  fRest.Free;
+end;
+
+initialization
+end.