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uPackagesConstructor.pas
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unit uPackagesConstructor;
{******************************************************************************}
{* Packages Constructor Unit *}
{* Revolutionary Confederation of Anarcho Syndicalists *}
{* Written by: black.rabbit 2012 *}
{******************************************************************************}
interface
{$I 'std.inc'}
uses
Windows, SysUtils, Variants, Classes,
Controls, ComCtrls, Gauges,
sListView,
{ utils }
DateUtils, Utils, Strings, VarRecs, Versions, EClasses,
DllThreads,
{ kernel }
Kernel, ProtoClasses, CryptoClasses, MetaClasses, ParaClasses,
HypoClasses, HyperClasses,
{ engine }
Engine,
{ SQLite }
SQLite3, SQLite3DLL, SQLiteTable3;
{ èêîíêè }
const
pckDefault = 0;
pckEmpty = 1;
pckFull = 2;
pckTest = 3;
pckError = 4;
pckSend = 5;
type
PLogRecord = ^TLogRecord;
TLogRecord = packed record
Caption : ShortString;
ImageIndex : Integer;
Sender : ShortString;
Receiver : ShortString;
Message : ShortString;
end;
type
{ êîíñòðóêòîð ïàêåòîâ }
{$M+}
CPackagesConstructor = class of TPackagesConstructor;
PPackagesConstructor = ^TPackagesConstructor;
TPackagesConstructor = class (TDllThread)
private
f_DBFileName: String; { ôàéë áàçû äàííûõ }
f_DB: TSQLiteDatabase; { îáúåêò áàçû äàííûõ }
f_MetaObject: TMetaObject; { ìåòà-îáúåêò }
f_MetaClass: CMetaObject; { êëàññ ìåòà-îáúåêòà }
f_MetaHash: Hex; { õýø-êëþ÷ ìåòà-îáúåêòà }
f_PackageTypeID: TID; { èäåíòèôèêàòîð òèïà ïàêåòà }
f_ListView: TsListView; { ëîã }
f_Gauge: TGauge; { ïîêàçàòåëü ïðîãðåññà çàãðóçêè }
f_StatusPanel: TStatusPanel; { ñòðîêà ñîñòîÿíèÿ çàãðóçêè }
f_Users: TUsers; { ñïèñîê ïîëüçîâàòåëåé }
f_UserIndex: LongInt; { ïîçèöèÿ â îáõîäå ñïèñêà }
private
f_Log: TItems;
f_Status: String;
f_MaxProgress: WORD;
f_Progress: WORD;
public
constructor Create (anArgs: array of const); override;
destructor Destroy; override;
public
procedure Main; override;
procedure Return; override;
protected
procedure WriteStatus (const aMessage: String); overload;
procedure WriteStatus (const aMessage: String;
aParams: array of const); overload;
procedure WriteLog (const aSender: String;
const aReceiver: String;
const aMessage: String;
const anImageIndex: Integer = pckDefault;
const aPackageType: String = '';
const aMetaClassID: String = ''); overload;
procedure WriteLog (const aSender: String;
const aReceiver: String;
const aMessage: String;
aParams: array of const;
const anImageIndex: Integer = pckDefault;
const aPackageType: String = '';
const aMetaClassID: String = ''); overload;
public
property DBFileName: String read f_DBFileName;
property DB: TSQLiteDatabase read f_DB write f_DB;
property MetaObject: TMetaObject read f_MetaObject write f_MetaObject;
property MetaClass: CMetaObject read f_MetaClass write f_MetaClass;
property MetaHash: Hex read f_MetaHash write f_MetaHash;
property PackageTypeID: TID read f_PackageTypeID write f_PackageTypeID;
property ListView: TsListView read f_ListView write f_ListView;
property Gauge: TGauge read f_Gauge write f_Gauge;
property StatusPanel: TStatusPanel read f_StatusPanel write f_StatusPanel;
property Users: TUsers read f_Users write f_Users;
property UserIndex: LongInt read f_UserIndex write f_UserIndex;
property Log: TItems read f_Log write f_Log;
property Status: String read f_Status write f_Status;
property MaxProgress: WORD read f_MaxProgress write f_MaxProgress;
property Progress: WORD read f_Progress write f_Progress;
end;
{$M-}
{ êîíñòðóêòîð ïàêåòîâ-îáíîâëåíèé }
{$M+}
CForumUpdater = class of TForumUpdater;
PForumUpdater = ^TForumUpdater;
TForumUpdater = class (TDllThread)
private
f_DBFileName: String; { ôàéë áàçû äàííûõ }
f_DB: TSQLiteDatabase; { îáúåêò áàçû äàííûõ }
f_LocalUserID: TID; { èäåíòèôèêàòîð êîíòàêòà }
f_LocalUser: TUser; { êîíòàêò }
f_ListView: TsListView; { ëîã }
f_Gauge: TGauge; { ïîêàçàòåëü ïðîãðåññà çàãðóçêè }
f_StatusPanel: TStatusPanel; { ñòðîêà ñîñòîÿíèÿ çàãðóçêè }
f_Step: Integer; { òåêóùèé øàã ñîçäàíèÿ îáíîâëåíèé }
private
f_Log: TItems;
f_Status: String;
f_MaxProgress: WORD;
f_Progress: WORD;
public
constructor Create (anArgs: array of const); override;
destructor Destroy; override;
public
procedure Main; override;
procedure Return; override;
protected
procedure WriteStatus (const aMessage: String); overload;
procedure WriteStatus (const aMessage: String;
aParams: array of const); overload;
procedure WriteLog (const aSender: String;
const aReceiver: String;
const aMessage: String;
const anImageIndex: Integer = pckDefault;
const aPackageType: String = '';
const aMetaClassID: String = ''); overload;
procedure WriteLog (const aSender: String;
const aReceiver: String;
const aMessage: String;
aParams: array of const;
const anImageIndex: Integer = pckDefault;
const aPackageType: String = '';
const aMetaClassID: String = ''); overload;
public
property DBFileName: String read f_DBFileName;
property DB: TSQLiteDatabase read f_DB write f_DB;
property LocalUserID: TID read f_LocalUserID write f_LocalUserID;
property LocalUser: TUser read f_LocalUser write f_LocalUser;
property ListView: TsListView read f_ListView write f_ListView;
property Gauge: TGauge read f_Gauge write f_Gauge;
property StatusPanel: TStatusPanel read f_StatusPanel write f_StatusPanel;
property Step: Integer read f_Step write f_Step;
property Log: TItems read f_Log write f_Log;
property Status: String read f_Status write f_Status;
property MaxProgress: WORD read f_MaxProgress write f_MaxProgress;
property Progress: WORD read f_Progress write f_Progress;
end;
{$M-}
{ TPackagesConstructor Errors }
resourcestring
ERR_TPACKAGECONSTRUCTOR_INCORRECT_DATABASE = 'Íå èíèöèàëèçèðîâàí îáúåêò ÁÄ!';
ERR_TPACKAGECONSTRUCTOR_INVALID_METAOBJECT = 'Íåêîððåêòíûé ìåòà-îáúåêò!';
ERR_TPACKAGECONSTRUCTOR_INVALID_METACLASS = 'Íåêîððåêòíûé ìåòà-êëàññ ''%s''!';
ERR_TPACKAGECONSTRUCTOR_INCORRECT_GAUGE = 'Íå èíèöèàëèçèðîâàí ýëåìåíò êîíòðîëÿ ïðîãðåññà!';
ERR_TPACKAGECONSTRUCTOR_INCORRECT_STATUS_PANEL = 'Íå èíèöèàëèçèðîâàíà ñòðîêà ñîñòîÿíèÿ!';
ERR_TPACKAGECONSTRUCTOR_INVALID_PACKAGE = 'Ñîçäàí íåêîððåêòíûé ïàêåò!';
ERR_TPACKAGECONSTRUCTOR_CREATE = 'Îøèáêà ñîçäàíèÿ ïîòîêà êîíñòðóêòîðà ïàêåòîâ!';
ERR_TPACKAGECONSTRUCTOR_DESTROY = 'Îøèáêà óíè÷òîæåíèÿ ïîòîêà êîíñòðóêòîðà ïàêåòîâ!';
ERR_TPACKAGECONSTRUCTOR_MAIN = 'Îøèáêà ãëàâíîé ôóíêöèè ïîòîêà!';
ERR_TPACKAGECONSTRUCTOR_RETURN = 'Îøèáêà ôóíêöèè âîçâðàòà ïîòîêà!';
ERR_TPACKAGECONSTRUCTOR_WRITE_STATUS = 'Îøèáêà îòîáðàæåíèÿ ñòàòóñà!';
ERR_TPACKAGECONSTRUCTOR_WRITE_LOG = 'Îøèáêà çàïèñè â ëîã!';
{ TPackagesConstructor Hints }
resourcestring
MSG_TPACKAGECONSTRUCTOR_CREATE_PACKAGE = 'Îáìåí äàííûìè ñ ''%s'' ...';
MSG_TPACKAGECONSTRUCTOR_CREATED_PACKAGE = 'Ïàêåò ''%s'' ñîçäàí.';
MSG_TPACKAGECONSTRUCTOR_CREATE_ERROR_PACKAGE = 'Îáúåêò ''%s'' Îøèáêà ñîçäàíèÿ ïàêåòà : %s';
{ TForumUpdater Errors }
resourcestring
ERR_TFORUMUPDATER_INCORRECT_DATABASE = 'Íå èíèöèàëèçèðîâàí îáúåêò ÁÄ!';
ERR_TFORUMUPDATER_INVALID_USER_ID = 'Íåêîððåêòíûé èäåíòèôèêàòîð ïîëüçîâàòåëÿ!';
ERR_TFORUMUPDATER_INCORRECT_GAUGE = 'Íå èíèöèàëèçèðîâàí ýëåìåíò êîíòðîëÿ ïðîãðåññà!';
ERR_TFORUMUPDATER_INCORRECT_STATUS_PANEL = 'Íå èíèöèàëèçèðîâàíà ñòðîêà ñîñòîÿíèÿ!';
ERR_TFORUMUPDATER_INVALID_PACKAGE = 'Ñîçäàí íåêîððåêòíûé ïàêåò!';
ERR_TFORUMUPDATER_CREATE = 'Îøèáêà ñîçäàíèÿ ïîòîêà êîíñòðóêòîðà ïàêåòîâ!';
ERR_TFORUMUPDATER_DESTROY = 'Îøèáêà óíè÷òîæåíèÿ ïîòîêà êîíñòðóêòîðà ïàêåòîâ!';
ERR_TFORUMUPDATER_MAIN = 'Îøèáêà ãëàâíîé ôóíêöèè ïîòîêà!';
ERR_TFORUMUPDATER_RETURN = 'Îøèáêà ôóíêöèè âîçâðàòà ïîòîêà!';
ERR_TFORUMUPDATER_WRITE_STATUS = 'Îøèáêà îòîáðàæåíèÿ ñòàòóñà!';
ERR_TFORUMUPDATER_WRITE_LOG = 'Îøèáêà çàïèñè â ëîã!';
{ TForumUpdater Hints }
resourcestring
MSG_TFORUMUPDATER_CREATE_PACKAGE_CATEGORIES = 'Îáìåí ñïèñêîì êàòåãîðèé ñ ''%s'' ...';
MSG_TFORUMUPDATER_CREATE_PACKAGE_MESSAGES = 'Îáìåí ñïèñêîì ñîîáùåíèé ñ ''%s'' ...';
MSG_TFORUMUPDATER_CREATE_PACKAGE_USERS = 'Îáìåí ñïèñêîì êîíòàêòîâ ñ ''%s'' ...';
MSG_TFORUMUPDATER_CREATED_PACKAGE = 'Ïàêåò ''%s'' ñîçäàí.';
MSG_TFORUMUPDATER_CREATE_ERROR_PACKAGE = 'Îøèáêà ñîçäàíèÿ ïàêåòà : %s';
implementation
constructor TPackagesConstructor.Create (anArgs: array of const);
var
I : Integer;
args : array_of_const;
OBJ : TObject;
begin
try
{ ïåðåäàåì ïàðàìåòðû ñîçäàíèÿ áàçîâîãî ïîòîêà,
íà÷èíàÿ ñ øåñòîãî àðãóìåíòà }
if ( High (anArgs) >= 5 ) then
begin
SetLength ( Args, High (anArgs)-5 +1 );
for I := 5 to High (anArgs) do
args [I-5] := anArgs [I];
end
else
args := _array_of_const ([]);
inherited Create (args);
{ ÿâíî óêàçûâàåì íà íåîáõîäèìîñòü óíè÷òîæåíèÿ ïîòîêà ïî îêîí÷àíèþ ðàáîòû }
FreeOnTerminate := TRUE;
{ èìÿ ïîòîêà }
Name := ClassName;
{ ïåðâûé ïàðàìåòð - ôàéë ÁÄ }
f_DBFileName := '';
f_DB := NIL;
if notEmpty (0,anArgs) then
begin
f_DBFileName := toString (anArgs [0]);
f_DB := TSQLiteDatabase.Create (f_DBFileName);
end;
if ( not Assigned (f_DB) ) then
raise Exception.Create (ERR_TPACKAGECONSTRUCTOR_INCORRECT_DATABASE);
{ âòîðîé ïàðàìåòð - ìåòà-îáúåêò - èñòî÷íèê äàííûõ }
f_MetaObject := NIL;
if notEmpty (1,anArgs) then
begin
OBJ := toObject (anArgs [1]);
if ( Assigned (OBJ) and OBJ.InheritsFrom (TMetaObject) ) then
f_MetaObject := TMetaObject (OBJ);
end;
if ( not Assigned (f_MetaObject) ) then
raise Exception.Create (ERR_TPACKAGECONSTRUCTOR_INVALID_METAOBJECT);
{ îïðåäåëÿåì êëàññ ìåòà-îáúåêòà }
f_MetaClass := NIL;
MetaClass := CMetaObject ( MetaObject.ClassType );
if not ( MetaObject is TUser ) and
{not ( MetaObject is TPic ) and}
not ( MetaObject is TCategorie ) and
not ( MetaObject is TMessage ) then
raise Exception.CreateFmt (ERR_TPACKAGECONSTRUCTOR_INVALID_METACLASS,[ MetaObject.ClassID ]);
{ îïðåäåëÿåì õýø-êëþ÷ ìåòà-îáúåêòà }
f_MetaHash := '';
if ( MetaObject is THypoObject ) then
MetaHash := THypoObject (MetaObject).KeyHash
else if ( MetaObject is THyperObject ) then
MetaHash := THyperObject (MetaObject).KeyHash;
{ îïðåäåëÿåì òèï ïàêåòà ïî ñòàòóñó îáúåêòà }
f_PackageTypeID := 0;
if objDeleted in MetaObject.Mode then
PackageTypeID := PACKAGE_DEL_TYPE_ID
else if objSaved in MetaObject.Mode then
PackageTypeID := PACKAGE_PUT_TYPE_ID
else
PackageTypeID := PACKAGE_GET_TYPE_ID;
{ òðåòèé ïàðàìåòð - ListView
ëîã ïî÷òû }
f_ListView := NIL;
if notEmpty (2,anArgs) then
begin
OBJ := toObject (anArgs [2]);
if ( Assigned (OBJ) and OBJ.InheritsFrom (TsListView) ) then
f_ListView := TsListView (OBJ);
end;
{ ÷åòâåðòûé ïàðàìåòð - Gauge
ïîêàçàòåëü ïðîãðåññà çàãðóçêè }
f_Gauge := NIL;
if notEmpty (3,anArgs) then
begin
OBJ := toObject (anArgs [3]);
if ( Assigned (OBJ) and OBJ.InheritsFrom (TControl) ) then
f_Gauge := TGauge (OBJ);
end;
{ ïÿòûé ïàðàìåòð - StatusPanel
ïîêàçàòåëü ïðîãðåññà çàãðóçêè }
f_StatusPanel := NIL;
if notEmpty (4,anArgs) then
begin
OBJ := toObject (anArgs [4]);
if ( Assigned (OBJ) and OBJ.InheritsFrom (TStatusPanel) ) then
f_StatusPanel := TStatusPanel (OBJ);
end;
{ ñïèñîê ïîëüçîâàòåëåé }
f_Users := NIL;
f_UserIndex := -1;
{ ëîã }
f_Log := TItems.Create ([]);
except on E: Exception do
_raise ([ 'Create', ERR_TPACKAGECONSTRUCTOR_CREATE, E, Exception (FatalException) ],
['{52908050-2F33-401B-9D12-DE71623106D4}']);
end;
end;
destructor TPackagesConstructor.Destroy;
begin
try
FreeAndNil (f_Log);
FreeAndNil (f_Users);
FreeAndNil (f_DB);
inherited Destroy;
except on E: Exception do
_raise ([ 'Destroy', ERR_TPACKAGECONSTRUCTOR_DESTROY, E, Exception (FatalException) ],
['{F151CEA3-97FC-4B3C-9C33-DB5F4B2B7B8E}']);
end;
end;
procedure TPackagesConstructor.Main;
var
Package : TPackage;
begin
try
if Terminated then Exit;
inherited Main;
{ çàãðóæàåì ñïèñîê êîíòàêòîâ }
if not Assigned (Users) then
try
f_Users := TUsers.Load (DB,[ _([]),
_([]),
_([USER_ID]) ],
[],
[],
[objSimple]) as TUsers;
MaxProgress := Users.Count;
Progress := 0;
except
FreeAndNil (f_Users);
end;
if not Assigned (Users) or ( Users.Count <= 0 ) then
Terminate
else if ( UserIndex >= Users.Count-1 ) then
Terminate
else
try
UserIndex := UserIndex + 1;
{ ïðîãðåññ }
Progress := Progress + 1;
{ íå ñîçäàåì ïàêåò äëÿ ñîáñòâåííîãî ïîëüçîâàòåëÿ }
if ( Users.ItemAt [UserIndex].ID = USER_ID ) then
Exit;
{ ñîçäàåì ïàêåò }
WriteStatus (MSG_TPACKAGECONSTRUCTOR_CREATE_PACKAGE,[ Users.ItemAt [UserIndex].Login ]);
Package := TPackage.Create (DB,[0,USER_ID,Users.ItemAt [UserIndex].ID,USER_ID,
PackageTypeID,
PACKAGE_CREATED_STATUS_ID,
MetaClass]);
try
Package.CreateMetaData ([MetaHash]);
Package.Save;
{ ïèøåì â ëîã }
WriteLog ( User.Login,
Users.ItemAt [UserIndex].Login,
Format (MSG_TPACKAGECONSTRUCTOR_CREATED_PACKAGE,
[ Package.KeyHash ]),
pckDefault,
GetPckTypeExternal (PackageTypeID),
MetaClass.GetClassID );
finally
FreeAndNil (Package);
end;
except on CreateError: Exception do
if Assigned (Users.ItemAt [UserIndex]) then
begin
{ ïèøåì â ëîã ïðè÷èíó îøèáêè }
WriteLog ( User.Login,
Users.ItemAt [UserIndex].Login,
Format (MSG_TPACKAGECONSTRUCTOR_CREATE_ERROR_PACKAGE,
[ MetaHash ]),
pckError,
GetPckTypeExternal (PackageTypeID),
MetaClass.GetClassID );
end
else
WriteStatus (CreateError.Message);
end;
except on E: Exception do
_raise ([ 'Main', ERR_TPACKAGECONSTRUCTOR_MAIN, E, Exception (FatalException) ],
['{465643E6-FED0-42BA-88AA-9B9556628E23}']);
end;
end;
procedure TPackagesConstructor.Return;
var
Itm : TListItem;
begin
try
inherited Return;
if Assigned (ListView) and Assigned (Log) then
begin
while Log.Count > 0 do
begin
Itm := ListView.Items.Add;
Itm.Caption := PLogRecord (Log.Item [0])^.Caption;
Itm.ImageIndex := PLogRecord (Log.Item [0])^.ImageIndex;
Itm.SubItems.Add ( PLogRecord (Log.Item [0])^.Sender );
Itm.SubItems.Add ( PLogRecord (Log.Item [0])^.Receiver );
Itm.SubItems.Add ( PLogRecord (Log.Item [0])^.Message );
Dispose ( PLogRecord (Log.Item [0]) );
Log.Delete (0);
end;
end;
if Assigned (StatusPanel) and notEmpty (Status) then
begin
StatusPanel.Text := Status;
end;
if Assigned (Gauge) then
begin
Gauge.MinValue := 0;
Gauge.MaxValue := MaxProgress;
Gauge.Progress := Progress;
end;
ProcessMessages;
except on E: Exception do
_raise ([ 'Return', ERR_TPACKAGECONSTRUCTOR_RETURN, E, Exception (FatalException) ],
['{309AE935-E39F-49FC-B3A7-56F21A0166C8}']);
end;
end;
procedure TPackagesConstructor.WriteStatus (const aMessage: String);
begin
try
Status := aMessage;
except on E: Exception do
_raise (['WriteStatus',ERR_TPACKAGECONSTRUCTOR_WRITE_STATUS,E],
['{E7053B34-01D2-4AD9-B68E-4E443C8BE2DA}']);
end;
end;
procedure TPackagesConstructor.WriteStatus (const aMessage: String;
aParams: array of const);
begin
try
WriteStatus ( Format (aMessage,aParams) );
except on E: Exception do
_raise (['WriteStatus',ERR_TPACKAGECONSTRUCTOR_WRITE_STATUS,E],
['{40D65BA3-B0E3-48F4-A1BE-70B82FCF40FC}']);
end;
end;
procedure TPackagesConstructor.WriteLog (const aSender: String;
const aReceiver: String;
const aMessage: String;
const anImageIndex: Integer = pckDefault;
const aPackageType: String = '';
const aMetaClassID: String = '');
var
Rec : PLogRecord;
begin
try
if Assigned (Log) then
begin
Rec := AllocMem ( SizeOf (TLogRecord) + 1 );
Rec^.Caption := _DateTimeToStr (now);
Rec^.ImageIndex := anImageIndex;
Rec^.Sender := aSender;
Rec^.Receiver := aReceiver;
if notEmpty (aMetaClassID) then
Rec^.Message := Format ('%s : %s : %s',[aMetaClassID,aPackageType,aMessage])
else
Rec^.Message := aMessage;
Log.Add (Rec);
end;
except on E: Exception do
_raise (['WriteLog',ERR_TPACKAGECONSTRUCTOR_WRITE_LOG,E],
['{FDE75E40-CA4E-40FF-B8AB-924F1EC8661B}']);
end;
end;
procedure TPackagesConstructor.WriteLog (const aSender: String;
const aReceiver: String;
const aMessage: String;
aParams: array of const;
const anImageIndex: Integer = pckDefault;
const aPackageType: String = '';
const aMetaClassID: String = '');
begin
try
WriteLog ( aSender, aReceiver, Format (aMessage,aParams), anImageIndex, aPackageType, aMetaClassID );
except on E: Exception do
_raise (['WriteLog',ERR_TPACKAGECONSTRUCTOR_WRITE_LOG,E],
['{7C982F9C-C5B1-456E-9D84-D3D6045C868D}']);
end;
end;
{ TForumUpdater }
constructor TForumUpdater.Create (anArgs: array of const);
var
I : Integer;
args : array_of_const;
OBJ : TObject;
begin
try
{ ïåðåäàåì ïàðàìåòðû ñîçäàíèÿ áàçîâîãî ïîòîêà,
íà÷èíàÿ ñ øåñòîãî àðãóìåíòà }
if ( High (anArgs) >= 5 ) then
begin
SetLength ( Args, High (anArgs)-5 +1 );
for I := 5 to High (anArgs) do
args [I-5] := anArgs [I];
end
else
args := _array_of_const ([]);
inherited Create (args);
{ ÿâíî óêàçûâàåì íà íåîáõîäèìîñòü óíè÷òîæåíèÿ ïîòîêà ïî îêîí÷àíèþ ðàáîòû }
FreeOnTerminate := TRUE;
{ èìÿ ïîòîêà }
Name := ClassName;
{ ïåðâûé ïàðàìåòð - ôàéë ÁÄ }
f_DBFileName := '';
f_DB := NIL;
if notEmpty (0,anArgs) then
begin
f_DBFileName := toString (anArgs [0]);
f_DB := TSQLiteDatabase.Create (f_DBFileName);
end;
if ( not Assigned (f_DB) ) then
raise Exception.Create (ERR_TFORUMUPDATER_INCORRECT_DATABASE);
{ âòîðîé ïàðàìåòð - èäåíòèôèêàòîð ïîëüçîâàòåëÿ }
f_LocalUserID := 0;
if notEmpty (1,anArgs) then
f_LocalUserID := toInt64 (anArgs [1]);
if not ( LocalUserID > 0 ) then
raise Exception.Create (ERR_TFORUMUPDATER_INVALID_USER_ID);
{ òðåòèé ïàðàìåòð - ListView
ëîã ïî÷òû }
f_ListView := NIL;
if notEmpty (2,anArgs) then
begin
OBJ := toObject (anArgs [2]);
if ( Assigned (OBJ) and OBJ.InheritsFrom (TsListView) ) then
f_ListView := TsListView (OBJ);
end;
{ ÷åòâåðòûé ïàðàìåòð - Gauge
ïîêàçàòåëü ïðîãðåññà çàãðóçêè }
f_Gauge := NIL;
if notEmpty (3,anArgs) then
begin
OBJ := toObject (anArgs [3]);
if ( Assigned (OBJ) and OBJ.InheritsFrom (TControl) ) then
f_Gauge := TGauge (OBJ);
end;
{ ïÿòûé ïàðàìåòð - StatusPanel
ïîêàçàòåëü ïðîãðåññà çàãðóçêè }
f_StatusPanel := NIL;
if notEmpty (4,anArgs) then
begin
OBJ := toObject (anArgs [4]);
if ( Assigned (OBJ) and OBJ.InheritsFrom (TStatusPanel) ) then
f_StatusPanel := TStatusPanel (OBJ);
end;
{ êîíòàêò }
f_LocalUser := NIl;
{ òåêóùèé øàã }
f_Step := 0;
{ ëîã }
f_Log := TItems.Create ([]);
except on E: Exception do
_raise ([ 'Create', ERR_TFORUMUPDATER_CREATE, E, Exception (FatalException) ],
['{543AEB18-13FE-43AB-83AA-ADD57F5747D8}']);
end;
end;
destructor TForumUpdater.Destroy;
begin
try
FreeAndNil (f_Log);
FreeAndNil (f_LocalUser);
FreeAndNil (f_DB);
inherited Destroy;
except on E: Exception do
_raise ([ 'Destroy', ERR_TFORUMUPDATER_DESTROY, E, Exception (FatalException) ],
['{506418A5-B31D-422D-B15D-CF2D015E170F}']);
end;
end;
procedure TForumUpdater.Main;
var
MetaClass : CMetaObject;
Package : TPackage;
begin
try
if Terminated then Exit;
inherited Main;
if not Assigned (LocalUser) then
try
f_LocalUser := TUser.Load (DB,LocalUserID,[objSimple]) as TUser;
MaxProgress := 3;
Progress := 0;
except
FreeAndNil (f_LocalUser);
end;
if not Assigned (LocalUser) or ( LocalUserID = USER_ID ) then
Terminate
else if ( Step >= 3 ) then
Terminate
else
try
Step := Step + 1;
{ ïðîãðåññ }
Progress := Progress + 1;
{ îïðåäåëÿåì òèï ïàêåòà }
case Step of
1 : begin
MetaClass := TCategorie;
WriteStatus (MSG_TFORUMUPDATER_CREATE_PACKAGE_CATEGORIES,[ LocalUser.Login ]);
end;
2 : begin
MetaClass := TMessage;
WriteStatus (MSG_TFORUMUPDATER_CREATE_PACKAGE_MESSAGES,[ LocalUser.Login ]);
end;
3 : begin
MetaClass := TUser;
WriteStatus (MSG_TFORUMUPDATER_CREATE_PACKAGE_USERS,[ LocalUser.Login ]);
end;
end;
{ ñîçäàåì ïàêåò }
Package := TPackage.Create (DB,[0,USER_ID,LocalUserID,USER_ID,
PACKAGE_UPD_TYPE_ID,
PACKAGE_CREATED_STATUS_ID,
MetaClass]);
try
Package.CreateMetaData ([]);
Package.Save;
{ ïèøåì â ëîã }
WriteLog ( User.Login,
LocalUser.Login,
Format (MSG_TFORUMUPDATER_CREATED_PACKAGE,
[ Package.KeyHash ]),
pckDefault,
GetPckTypeExternal (PACKAGE_UPD_TYPE_ID),
MetaClass.GetClassID );
finally
FreeAndNil (Package);
end;
except on CreateError: Exception do
if Assigned (LocalUser) then
begin
{ ïèøåì â ëîã ïðè÷èíó îøèáêè }
WriteLog ( User.Login,
LocalUser.Login,
MSG_TFORUMUPDATER_CREATE_ERROR_PACKAGE,
pckError,
GetPckTypeExternal (PACKAGE_UPD_TYPE_ID),
MetaClass.GetClassID );
end
else
WriteStatus (CreateError.Message);
end;
except on E: Exception do
_raise ([ 'Main', ERR_TFORUMUPDATER_MAIN, E, Exception (FatalException) ],
['{809BFBA5-152E-42FF-9E11-F14B95595A3B}']);
end;
end;
procedure TForumUpdater.Return;
var
Itm : TListItem;
begin
try
inherited Return;
if Assigned (ListView) and Assigned (Log) then
begin
while Log.Count > 0 do
begin
Itm := ListView.Items.Add;
Itm.Caption := PLogRecord (Log.Item [0])^.Caption;
Itm.ImageIndex := PLogRecord (Log.Item [0])^.ImageIndex;
Itm.SubItems.Add ( PLogRecord (Log.Item [0])^.Sender );
Itm.SubItems.Add ( PLogRecord (Log.Item [0])^.Receiver );
Itm.SubItems.Add ( PLogRecord (Log.Item [0])^.Message );
Dispose ( PLogRecord (Log.Item [0]) );
Log.Delete (0);
end;
end;
if Assigned (StatusPanel) and notEmpty (Status) then
begin
StatusPanel.Text := Status;
end;
if Assigned (Gauge) then
begin
Gauge.MinValue := 0;
Gauge.MaxValue := MaxProgress;
Gauge.Progress := Progress;
end;
ProcessMessages;
except on E: Exception do
_raise ([ 'Return', ERR_TFORUMUPDATER_RETURN, E, Exception (FatalException) ],
['{D5934537-A16F-464F-B149-AED5E69C358B}']);
end;
end;
procedure TForumUpdater.WriteStatus (const aMessage: String);
begin
try
Status := aMessage;
except on E: Exception do
_raise (['WriteStatus',ERR_TFORUMUPDATER_WRITE_STATUS,E],
['{4C62406A-B2FC-4EFB-A080-8B29FE2BFF4B}']);
end;
end;
procedure TForumUpdater.WriteStatus (const aMessage: String;
aParams: array of const);
begin
try
WriteStatus ( Format (aMessage,aParams) );
except on E: Exception do
_raise (['WriteStatus',ERR_TFORUMUPDATER_WRITE_STATUS,E],
['{AF71AA5E-EFB2-42FA-8DEC-1A246E65AF53}']);
end;
end;
procedure TForumUpdater.WriteLog (const aSender: String;
const aReceiver: String;
const aMessage: String;
const anImageIndex: Integer = pckDefault;
const aPackageType: String = '';
const aMetaClassID: String = '');
var
Rec : PLogRecord;
begin
try
if Assigned (Log) then
begin
Rec := AllocMem ( SizeOf (TLogRecord) + 1 );
Rec^.Caption := _DateTimeToStr (now);
Rec^.ImageIndex := anImageIndex;
Rec^.Sender := aSender;
Rec^.Receiver := aReceiver;
if notEmpty (aMetaClassID) then
Rec^.Message := Format ('%s : %s : %s',[aMetaClassID,aPackageType,aMessage])
else
Rec^.Message := aMessage;
Log.Add (Rec);
end;
except on E: Exception do
_raise (['WriteLog',ERR_TFORUMUPDATER_WRITE_LOG,E],
['{F79DBD7B-CBC5-4E1A-93A8-390440B70897}']);
end;
end;
procedure TForumUpdater.WriteLog (const aSender: String;
const aReceiver: String;
const aMessage: String;
aParams: array of const;
const anImageIndex: Integer = pckDefault;
const aPackageType: String = '';
const aMetaClassID: String = '');
begin
try
WriteLog ( aSender, aReceiver, Format (aMessage,aParams), anImageIndex, aPackageType, aMetaClassID );
except on E: Exception do
_raise (['WriteLog',ERR_TFORUMUPDATER_WRITE_LOG,E],
['{D4AF48BA-F573-4652-8912-2713C0FC6500}']);
end;
end;
end.