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834 lines
26 KiB
ObjectPascal
834 lines
26 KiB
ObjectPascal
{ Visual PlanIt datastore for json files }
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{$I vp.inc}
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unit VpJSONDs;
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interface
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uses
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SysUtils, Classes, fpjson,
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VpData, VpBaseDS, VpFileDS;
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type
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TVpJSONStoreType = (jstFile, jstString);
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TVpJSONDataStore = class(TVpCustomFileDataStore)
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private
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FFileName: String;
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FJSONString: String;
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FFormatSettings: TFormatSettings;
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FUseUTF8: Boolean;
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FStrict: Boolean;
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FComments: Boolean;
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FIgnoreTrailingComma: Boolean;
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FStoreType: TVpJSONStoreType;
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procedure SetFilename(AValue: String);
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procedure SetJSONString(AValue: String);
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protected
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{ ancestor methods }
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procedure Loaded; override;
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procedure SetConnected(const Value: boolean); override;
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{ JSON access methods }
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function ContactToJSON(AContact: TVpContact): TJSONObject;
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function EventToJSON(AEvent: TVpEvent): TJSONObject;
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function ResourceToJSON(AResource: TVpResource): TJSONObject;
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function TaskToJSON(ATask: TVpTask): TJSONObject;
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function JSONToContact(AObj: TJSONObject; AResource: TVpResource): TVpContact;
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function JSONToEvent(AObj: TJSONObject; AResource: TVpResource): TVpEvent;
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function JSONToResource(AObj: TJSONObject): TVpResource;
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function JSONToTask(AObj: TJSONObject; AResource: TVpResource): TVpTask;
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procedure ReadJSON;
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procedure ReadJSONFromFile;
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procedure ReadJSONFromString;
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procedure ReadJSONFromStream(AStream: TStream);
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procedure WriteJSON;
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procedure WriteJSONToMemoryStream(AStream: TMemoryStream);
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{ other methods }
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function UniqueID(AValue: Integer): Boolean;
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public
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constructor Create(AOwner: TComponent); override;
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destructor Destroy; override;
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function GetNextID(TableName: string): Integer; override;
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procedure LoadEvents; override;
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procedure LoadContacts; override;
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procedure LoadTasks; override;
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procedure PostEvents; override;
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procedure PostContacts; override;
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procedure PostTasks; override;
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procedure PostResources; override;
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procedure SetResourceByName(Value: String); override;
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published
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property AutoConnect default false;
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{Determines whether data are read from/written to file or string}
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property JSONStoreType: TVpJSONStoreType read FStoreType write FStoreType default jstFile;
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{ Name of the file to be used when JSONStoreType is jstFile }
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property FileName: String read FFileName write SetFilename;
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{ String to be used when TJSONStoreType is jstString }
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property JSONString: String read FJSONString write SetJSONString;
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{ JSON options }
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property JSONUseUTF8: Boolean read FUseUTF8 write FUseUTF8 default true;
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{$IF FPC_FullVersion >= 30000}
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property JSONStrict: Boolean read FStrict write FStrict default false;
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property JSONComments: Boolean read FComments write FComments default false;
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property JSONIgnoreTrailingComma: Boolean read FIgnoreTrailingComma write FIgnoreTrailingComma default false;
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{$IFEND}
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end;
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implementation
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uses
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LazFileUtils,
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jsonscanner, jsonparser,
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VpSR, VpMisc;
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constructor TVpJSONDatastore.Create(AOwner: TComponent);
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begin
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inherited Create(AOwner);
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FFormatSettings := DefaultFormatSettings;
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FFormatSettings.DecimalSeparator := '.';
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FFormatSettings.ThousandSeparator := #0;
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FFormatSettings.LongDateFormat := 'yyyy-mm-dd';
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FFormatSettings.ShortDateFormat := 'yyyy-mm-dd';
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FFormatSettings.LongTimeFormat := 'hh:nn:ss';
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FFormatSettings.ShortTimeFormat := 'hh:nn';
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FFormatSettings.DateSeparator := '-';
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FFormatSettings.TimeSeparator := ':';
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FDayBuffer := 1000*365; // 1000 years, i.e. deactivate daybuffer mechanism
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FUseUTF8 := true;
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end;
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destructor TVpJSONDatastore.Destroy;
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begin
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SetConnected(false);
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inherited;
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end;
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function TVpJSONDatastore.ContactToJSON(AContact: TVpContact): TJSONObject;
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begin
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Result := TJSONObject.Create;
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Result.Add('RecordID', AContact.RecordID);
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Result.Add('Job_Position', AContact.Job_Position);
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Result.Add('FirstName', AContact.FirstName);
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Result.Add('LastName', AContact.LastName);
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Result.Add('Birthdate', DateToStr(AContact.Birthdate, FFormatSettings));
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Result.Add('Anniversary', DateToStr(AContact.Anniversary, FFormatSettings));
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Result.Add('Title', AContact.Title);
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Result.Add('Company', AContact.Company);
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Result.Add('Department', AContact.Department);
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Result.Add('EMail1', AContact.EMail1);
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Result.Add('EMail2', AContact.EMail2);
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Result.Add('EMail3', AContact.EMail3);
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Result.Add('EMailType1', ord(AContact.EMailType1));
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Result.Add('EMailType2', ord(AContact.EMailType2));
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Result.Add('EMailType3', ord(AContact.EMailType3));
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Result.Add('Phone1', AContact.Phone1);
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Result.Add('Phone2', AContact.Phone2);
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Result.Add('Phone3', AContact.Phone3);
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Result.Add('Phone4', AContact.Phone4);
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Result.Add('Phone5', AContact.Phone5);
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Result.Add('PhoneType1', AContact.PhoneType1);
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Result.Add('PhoneType2', AContact.PhoneType2);
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Result.Add('PhoneType3', AContact.PhoneType3);
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Result.Add('PhoneType4', AContact.PhoneType4);
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Result.Add('PhoneType5', AContact.PhoneType5);
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Result.Add('Website1', AContact.Website1);
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Result.Add('Website2', AContact.Website2);
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Result.Add('WebsiteType1', AContact.WebsiteType1);
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Result.Add('WebsiteType2', AContact.WebsiteType2);
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Result.Add('Address1', AContact.Address1);
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Result.Add('Address2', AContact.Address2);
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Result.Add('City1', AContact.City1);
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Result.Add('City2', AContact.City2);
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Result.Add('State1', AContact.State1);
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Result.Add('State2', AContact.State2);
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Result.Add('Zip1', AContact.Zip1);
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Result.Add('Zip2', AContact.Zip2);
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Result.Add('Country1', AContact.Country1);
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Result.Add('Country2', AContact.Country2);
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Result.Add('AddressType1', ord(AContact.AddressType1));
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Result.Add('AddressType2', ord(AContact.AddressType2));
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Result.Add('Notes', AContact.Notes);
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Result.Add('Category', ord(AContact.Category));
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Result.Add('Custom1', AContact.Custom1);
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Result.Add('Custom2', AContact.Custom2);
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Result.Add('Custom3', AContact.Custom3);
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Result.Add('Custom4', AContact.Custom4);
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Result.Add('UserField0', AContact.UserField0);
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Result.Add('UserField1', AContact.UserField1);
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Result.Add('UserField2', AContact.UserField2);
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Result.Add('UserField3', AContact.UserField3);
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Result.Add('UserField4', AContact.UserField4);
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Result.Add('UserField5', AContact.UserField5);
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Result.Add('UserField6', AContact.UserField6);
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Result.Add('UserField7', AContact.UserField7);
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Result.Add('UserField8', AContact.UserField8);
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Result.Add('UserField9', AContact.UserField9);
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end;
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function TVpJSONDatastore.EventToJSON(AEvent: TVpEvent): TJSONObject;
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begin
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Result := TJSONObject.Create;
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Result.Add('RecordID', AEvent.RecordID);
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Result.Add('ResourceID', AEvent.ResourceID);
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Result.Add('Description', AEvent.Description);
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Result.Add('Notes', AEvent.Notes);
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Result.Add('Location', AEvent.Location);
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Result.Add('Category', AEvent.Category);
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Result.Add('AllDayEvent', AEvent.AllDayEvent);
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if AEvent.StartTime = 0 then
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Result.Add('StartTime', '') else
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Result.Add('StartTime', FormatDateTime('c', AEvent.StartTime, FFormatSettings));
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if AEvent.EndTime = 0 then
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Result.Add('EndTime', '') else
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Result.Add('EndTime', FormatDateTime('c', AEvent.EndTime, FFormatSettings));
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Result.Add('DingPath', AEvent.DingPath);
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Result.Add('AlertDisplayed', AEvent.AlertDisplayed);
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Result.Add('AlarmSet', AEvent.AlarmSet);
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Result.Add('AlarmAdvance', AEvent.AlarmAdvance);
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Result.Add('AlarmAdvanceType', ord(AEvent.AlarmAdvanceType));
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Result.Add('SnoozeTime', TimeToStr(AEvent.SnoozeTime, FFormatSettings));
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Result.Add('RepeatCode', ord(AEvent.RepeatCode));
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if AEvent.RepeatRangeEnd = 0 then
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Result.Add('RepeatRangeEnd', '') else
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Result.Add('RepeatRangeEnd', FormatDateTime('c', AEvent.RepeatRangeEnd, FFormatSettings));
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Result.Add('CustomInterval', AEvent.CustomInterval);
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Result.Add('UserField0', AEvent.UserField0);
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Result.Add('UserField1', AEvent.UserField1);
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Result.Add('UserField2', AEvent.UserField2);
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Result.Add('UserField3', AEvent.UserField3);
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Result.Add('UserField4', AEvent.UserField4);
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Result.Add('UserField5', AEvent.UserField5);
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Result.Add('UserField6', AEvent.UserField6);
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Result.Add('UserField7', AEvent.UserField7);
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Result.Add('UserField8', AEvent.UserField8);
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Result.Add('UserField9', AEvent.UserField9);
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end;
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function TVpJSONDatastore.GetNextID(TableName: string): Integer;
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begin
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Unused(TableName);
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(*
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if FUseAutoInc then
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{ This is not needed in the BufDataset datastore as these tables use
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autoincrement fields. }
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Result := -1
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else
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{ If autoincrement fields are not wanted the ID values are created from
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random numbers. }
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*)
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{ The ID values are created from unique random numbers. }
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repeat
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Result := Random(High(Integer));
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until UniqueID(Result) and (Result <> -1);
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end;
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function TVpJSONDatastore.JSONToContact(AObj: TJSONObject;
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AResource: TVpResource): TVpContact;
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var
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recID: Integer;
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s: String;
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begin
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if AObj = nil then
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exit;
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recID := AObj.Find('RecordID').AsInteger;
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Result := AResource.Contacts.AddContact(recID);
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Result.Job_Position := AObj.Get('Job_Position', '');
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Result.FirstName := AObj.Get('FirstName', '');
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Result.LastName := AObj.Get('LastName', '');
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s := AObj.Get('Birthdate', '');
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if s <> '' then
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Result.BirthDate := StrToDate(s, FFormatSettings) else
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Result.BirthDate := 0;
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s := AObj.Get('Anniversary', '');
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if s <> '' then
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Result.Anniversary := StrToDate(s, FFormatSettings) else
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Result.Anniversary := 0;
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Result.Title := AObj.Get('Title', '');
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Result.Company := AObj.Get('Company', '');
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Result.Department := AObj.Get('Department', '');
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Result.Email1 := AObj.Get('EMail1', '');
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Result.Email2 := AObj.Get('EMail2', '');
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Result.Email3 := AObj.Get('EMail3', '');
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Result.EmailType1 := AObj.Get('EMailType1', 0);
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Result.EmailType2 := AObj.Get('EMailType2', 0);
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Result.EmailType3 := AObj.Get('EMailType3', 0);
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Result.Phone1 := AObj.Get('Phone1', '');
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Result.Phone2 := AObj.Get('Phone2', '');
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Result.Phone3 := AObj.Get('Phone3', '');
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Result.Phone4 := AObj.Get('Phone4', '');
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Result.Phone5 := AObj.Get('Phone5', '');
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Result.PhoneType1 := AObj.Get('PhoneType1', 0);
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Result.PhoneType2 := AObj.Get('PhoneType2', 0);
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Result.PhoneType3 := AObj.Get('PhoneType3', 0);
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Result.PhoneType4 := AObj.Get('PhoneType4', 0);
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Result.PhoneType5 := AObj.Get('PhoneType5', 0);
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Result.Website1 := AObj.Get('Website1', '');
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Result.Website2 := AObj.Get('Website2', '');
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Result.WebsiteType1 := AObj.Get('WebsiteType1', 0);
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Result.WebsiteType2 := AObj.Get('WebsiteType2', 0);
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Result.Address1 := AObj.Get('Address1', '');
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Result.Address2:= AObj.Get('Address2', '');
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Result.AddressType1 := AObj.Get('AddressType1', 0);
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Result.AddressType2:= AObj.Get('AddressType2', 0);
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Result.City1 := AObj.Get('City1', '');
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Result.City2 := AObj.Get('City2', '');
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Result.Zip1 := AObj.Get('Zip1', '');
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Result.Zip2 := AObj.Get('Zip2', '');
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Result.Country1 := AObj.Get('Country1', '');
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Result.Country2 := AObj.Get('Country2', '');
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Result.Notes := AObj.Get('Notes', '');
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Result.Category := AObj.Get('Category', 0);
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Result.Custom1 := AObj.Get('Custom1', '');
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Result.Custom2 := AObj.Get('Custom2', '');
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Result.Custom3 := AObj.Get('Custom3', '');
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Result.Custom4 := AObj.Get('Custom4', '');
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Result.UserField0 := AObj.Get('UserField0', '');
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Result.UserField1 := AObj.Get('UserField1', '');
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Result.UserField2 := AObj.Get('UserField2', '');
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Result.UserField3 := AObj.Get('UserField3', '');
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Result.UserField4 := AObj.Get('UserField4', '');
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Result.UserField5 := AObj.Get('UserField5', '');
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Result.UserField6 := AObj.Get('UserField6', '');
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Result.UserField7 := AObj.Get('UserField7', '');
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Result.UserField8 := AObj.Get('UserField8', '');
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Result.UserField9 := AObj.Get('UserField9', '');
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end;
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function TVpJSONDatastore.JSONToEvent(AObj: TJSONObject;
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AResource: TVpResource): TVpEvent;
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var
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evID: Integer;
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startDate, endDate: TDateTime;
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s: String;
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begin
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if AObj = nil then
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exit;
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evID := AObj.Find('RecordID').AsInteger;
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s := AObj.Get('StartTime', '');
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if s <> '' then
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startDate := StrToDateTime(s, FFormatSettings) else
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startDate := 0;
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s := AObj.Get('EndTime', '');
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if s <> '' then
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endDate := StrToDateTime(s, FFormatSettings) else
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endDate := 0;
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Result := AResource.Schedule.AddEvent(evID, startDate, endDate);
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Result.ResourceID := AResource.ResourceID;
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Result.Description := AObj.Get('Description', '');
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Result.Notes := AObj.Get('Notes', '');
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Result.Location := AObj.Get('Location', '');
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Result.Category := AObj.Get('Category', 0);
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Result.AllDayEvent := AObj.Get('AllDayEvent', false);
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Result.DingPath := AObj.Get('DingPath', '');
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Result.AlertDisplayed := AObj.Get('AlertDisplayed', false);
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Result.AlarmSet := AObj.Get('AlarmSet', false);
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Result.AlarmAdvance := AObj.Get('AlarmAdvance', 0);
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Result.AlarmAdvanceType := TVpAlarmAdvType(AObj.Get('AlarmAdvanceType', 0));
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s := AObj.Get('SnoozeTime', '');
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if s <> '' then
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Result.SnoozeTime := StrToTime(s, FFormatSettings) else
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Result.SnoozeTime := 0;
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Result.RepeatCode := TVpRepeatType(AObj.Get('RepeatCode', 0));
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s := AObj.Get('RepeatRangeEnd', '');
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if s <> '' then
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Result.RepeatRangeEnd := StrToDateTime(s, FFormatSettings) else
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Result.RepeatRangeEnd := 0;
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Result.CustomInterval := AObj.Get('CustomInterval', 0);
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Result.UserField0 := AObj.Get('UserField0', '');
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Result.UserField1 := AObj.Get('UserField1', '');
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Result.UserField2 := AObj.Get('UserField2', '');
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Result.UserField3 := AObj.Get('UserField3', '');
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Result.UserField4 := AObj.Get('UserField4', '');
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Result.UserField5 := AObj.Get('UserField5', '');
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Result.UserField6 := AObj.Get('UserField6', '');
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Result.UserField7 := AObj.Get('UserField7', '');
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Result.UserField8 := AObj.Get('UserField8', '');
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Result.UserField9 := AObj.Get('UserField9', '');
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end;
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function TVpJSONDatastore.JSONToResource(AObj: TJSONObject): TVpResource;
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var
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resID: Integer;
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begin
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resID := AObj.Find('ResourceID').AsInteger;
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Result := Resources.AddResource(resID);
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Result.Description := AObj.Get('Description','');
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Result.Notes := AObj.Get('Notes', '');
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Result.ResourceActive := AObj.Get('ResourceActive', false);
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Result.UserField0 := AObj.Get('UserField0', '');
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Result.UserField1 := AObj.Get('UserField1', '');
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Result.UserField2 := AObj.Get('UserField2', '');
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Result.UserField3 := AObj.Get('UserField3', '');
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Result.UserField4 := AObj.Get('UserField4', '');
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Result.UserField5 := AObj.Get('UserField5', '');
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Result.UserField6 := AObj.Get('UserField6', '');
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Result.UserField7 := AObj.Get('UserField7', '');
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Result.UserField8 := AObj.Get('UserField8', '');
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Result.UserField9 := AObj.Get('UserField9', '');
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end;
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function TvpJSONDatastore.JSONToTask(AObj: TJSONObject;
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AResource: TVpResource): TVpTask;
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var
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recID: Integer;
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s: String;
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begin
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recID := AObj.Find('RecordID').AsInteger;
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Result := AResource.Tasks.AddTask(recID);
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s := AObj.Get('DueDate', '');
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if s <> '' then
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Result.DueDate := StrToDateTime(s, FFormatSettings) else
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Result.DueDate := 0;
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Result.Description := AObj.Get('Description', '');
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Result.Details := AObj.Get('Details', '');
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Result.Complete := AObj.Get('Complete', false);
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s := AObj.Get('CreatedOn', '');
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if s <> '' then
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Result.CreatedOn := StrToDate(s, FFormatSettings) else
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Result.CreatedOn := 0;
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s := AObj.Get('CompletedOn', '');
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if s <> '' then
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Result.CompletedOn := StrToDate(s, FFormatSettings) else
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Result.CompletedOn := 0;
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Result.Priority := AObj.Get('Priority', 0);
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Result.Category := AObj.Get('Category', 0);
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Result.UserField0 := AObj.Get('UserField0', '');
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Result.UserField1 := AObj.Get('UserField1', '');
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Result.UserField2 := AObj.Get('UserField2', '');
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Result.UserField3 := AObj.Get('UserField3', '');
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Result.UserField4 := AObj.Get('UserField4', '');
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Result.UserField5 := AObj.Get('UserField5', '');
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Result.UserField6 := AObj.Get('UserField6', '');
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Result.UserField7 := AObj.Get('UserField7', '');
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Result.UserField8 := AObj.Get('UserField8', '');
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Result.UserField9 := AObj.Get('UserField9', '');
|
|
end;
|
|
|
|
procedure TVpJSONDatastore.LoadContacts;
|
|
begin
|
|
// nothing to do
|
|
end;
|
|
|
|
procedure TVpJSONDatastore.Loaded;
|
|
begin
|
|
inherited;
|
|
if not (csDesigning in ComponentState) and AutoConnect then
|
|
Connected := true;
|
|
end;
|
|
|
|
procedure TVpJSONDatastore.LoadEvents;
|
|
begin
|
|
// nothing to do
|
|
end;
|
|
|
|
procedure TVpJSONDatastore.LoadTasks;
|
|
begin
|
|
// nothing to do
|
|
end;
|
|
|
|
procedure TVpJSONDatastore.PostContacts;
|
|
var
|
|
i: Integer;
|
|
contact: TVpContact;
|
|
begin
|
|
if Resource = nil then
|
|
exit;
|
|
for i := Resource.Contacts.Count-1 downto 0 do begin
|
|
contact := Resource.Contacts.GetContact(i);
|
|
if contact.Deleted then
|
|
contact.Free;
|
|
end;
|
|
RefreshContacts;
|
|
end;
|
|
|
|
procedure TVpJSONDatastore.PostEvents;
|
|
var
|
|
i: Integer;
|
|
event: TVpEvent;
|
|
begin
|
|
if Resource = nil then
|
|
exit;
|
|
for i := Resource.Schedule.EventCount-1 downto 0 do begin
|
|
event := Resource.Schedule.GetEvent(i);
|
|
if event.Deleted then
|
|
event.Free;
|
|
end;
|
|
RefreshEvents;
|
|
end;
|
|
|
|
procedure TVpJSONDatastore.PostResources;
|
|
begin
|
|
// Nothing to do...
|
|
end;
|
|
|
|
procedure TVpJSONDatastore.PostTasks;
|
|
var
|
|
i: Integer;
|
|
task: TVpTask;
|
|
begin
|
|
if Resource = nil then
|
|
exit;
|
|
for i := Resource.Tasks.Count-1 downto 0 do begin
|
|
task := Resource.Tasks.GetTask(i);
|
|
if task.Deleted then
|
|
task.Free;
|
|
end;
|
|
RefreshTasks;
|
|
end;
|
|
|
|
procedure TVpJSONDatastore.ReadJSON;
|
|
begin
|
|
case FStoreType of
|
|
jstFile : ReadJSONFromFile;
|
|
jstString : ReadJSONFromString;
|
|
end;
|
|
end;
|
|
|
|
procedure TVpJSONDatastore.ReadJSONFromFile;
|
|
var
|
|
stream: TFileStream;
|
|
begin
|
|
if (FFileName = '') then
|
|
raise Exception.Create(RSNoFilenameSpecified);
|
|
|
|
if not FileExists(FFileName) then
|
|
exit;
|
|
|
|
stream := TFileStream.Create(FFilename, fmOpenRead + fmShareDenyWrite);
|
|
try
|
|
ReadJSONFromStream(stream);
|
|
finally
|
|
stream.Free;
|
|
end;
|
|
end;
|
|
|
|
procedure TVpJSONDatastore.ReadJSONFromString;
|
|
var
|
|
stream: TStringStream;
|
|
begin
|
|
if FJSONString = '' then
|
|
raise Exception.Create(RSNoJSONStringSpecified);
|
|
|
|
stream := TStringStream.Create(FJSONString);
|
|
try
|
|
ReadJSONFromStream(stream);
|
|
finally
|
|
stream.Free;
|
|
end;
|
|
end;
|
|
|
|
procedure TVpJSONDatastore.ReadJSONFromStream(AStream: TStream);
|
|
var
|
|
p: TJSONParser;
|
|
json: TJSONObject;
|
|
resObj: TJSONObject;
|
|
resObjArray: TJSONArray;
|
|
objArray: TJSONArray;
|
|
res: TVpResource;
|
|
i, j: Integer;
|
|
{$IF FPC_FullVersion >= 30000}
|
|
options: TJSONOptions;
|
|
{$IFEND}
|
|
begin
|
|
Resources.ClearResources;
|
|
{$IF FPC_FullVersion >= 30000}
|
|
options := [];
|
|
if FUseUTF8 then options := options + [joUTF8];
|
|
if FStrict then options := options + [joStrict];
|
|
if FComments then options := options + [joComments];
|
|
if FIgnoreTrailingComma then options := options + [joIgnoreTrailingComma];
|
|
p := TJSONParser.Create(AStream, options);
|
|
{$ELSE}
|
|
p := TJSONParser.Create(AStream, FUseUTF8);
|
|
{$IFEND}
|
|
try
|
|
json := p.Parse as TJSONObject;
|
|
if json = nil then
|
|
exit;
|
|
resObjArray := json.Find('Resources', jtArray) as TJSONArray;
|
|
if Assigned(resObjArray) then
|
|
for i := 0 to resObjArray.Count-1 do begin
|
|
resObj := resObjArray.Objects[i];
|
|
res := JSONToResource(resObj);
|
|
// Extract events
|
|
objArray := resObj.Find('Events', jtArray) as TJSONArray;
|
|
if Assigned(objArray) then
|
|
for j := 0 to objArray.Count-1 do
|
|
JSONToEvent(objArray.Objects[j], res);
|
|
// Extract contacts
|
|
objArray := resObj.Find('Contacts', jtArray) as TJSONArray;
|
|
if Assigned(objArray) then
|
|
for j := 0 to objArray.Count-1 do
|
|
JSONToContact(objArray.Objects[j], res);
|
|
// Extract tasks
|
|
objArray := resObj.Find('Tasks', jtArray) as TJSONArray;
|
|
if Assigned(objArray) then
|
|
for j := 0 to objArray.Count - 1 do
|
|
JSONToTask(objArray.Objects[j], res);
|
|
end;
|
|
finally
|
|
p.Free;
|
|
end;
|
|
end;
|
|
|
|
function TVPJSONDatastore.ResourceToJSON(AResource: TVpResource): TJSONObject;
|
|
begin
|
|
Result := TJSONObject.Create;
|
|
Result.Add('ResourceID', AResource.ResourceID);
|
|
Result.Add('Description', AResource.Description);
|
|
Result.Add('Notes', AResource.Notes);
|
|
Result.Add('ResourceActive', AResource.ResourceActive);
|
|
Result.Add('UserField0', AResource.UserField0);
|
|
Result.Add('UserField1', AResource.UserField1);
|
|
Result.Add('UserField2', AResource.UserField2);
|
|
Result.Add('UserField3', AResource.UserField3);
|
|
Result.Add('UserField4', AResource.UserField4);
|
|
Result.Add('UserField5', AResource.UserField5);
|
|
Result.Add('UserField6', AResource.UserField6);
|
|
Result.Add('UserField7', AResource.UserField7);
|
|
Result.Add('UserField8', AResource.UserField8);
|
|
Result.Add('UserField9', AResource.UserField9);
|
|
end;
|
|
|
|
procedure TVpJSONDatastore.SetConnected(const Value: boolean);
|
|
begin
|
|
{ Don't do anything with live data until run time. }
|
|
if (csDesigning in ComponentState) or (csLoading in ComponentState) then
|
|
Exit;
|
|
|
|
if Value = Connected then
|
|
exit;
|
|
|
|
{ Connecting or disconnecting? }
|
|
if Value then
|
|
ReadJSON
|
|
else
|
|
WriteJSON;
|
|
|
|
inherited SetConnected(Value);
|
|
end;
|
|
|
|
procedure TVpJSONDatastore.SetResourceByName(Value: string);
|
|
var
|
|
I: integer;
|
|
res : TVpResource;
|
|
begin
|
|
for I := 0 to pred(Resources.Count) do begin
|
|
res := Resources.Items[I];
|
|
if Res = nil then
|
|
Continue;
|
|
|
|
if res.Description = Value then begin
|
|
if ResourceID <> Res.ResourceID then begin
|
|
ResourceID := Res.ResourceID;
|
|
RefreshResource;
|
|
end;
|
|
Exit;
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
procedure TVpJSONDatastore.SetFilename(AValue: String);
|
|
begin
|
|
if AValue = FFilename then
|
|
exit;
|
|
if Connected then
|
|
raise Exception.Create('The datastore must not be connected when the filename is set.');
|
|
FFileName := AValue;
|
|
if AutoConnect then Connected := true;
|
|
end;
|
|
|
|
procedure TVpJSONDatastore.SetJSONString(AValue: String);
|
|
begin
|
|
if AValue = FJSONString then
|
|
exit;
|
|
if Connected then
|
|
raise Exception.Create('The datastore must not be connected when the JSON string is set.');
|
|
FJSONString := AValue;
|
|
if AutoConnect then Connected := true;
|
|
end;
|
|
|
|
function TVPJSONDatastore.TaskToJSON(ATask: TVpTask): TJSONObject;
|
|
begin
|
|
Result := TJSONObject.Create;
|
|
Result.Add('RecordID', ATask.RecordID);
|
|
if ATask.DueDate = 0 then
|
|
Result.Add('DueDate', '') else
|
|
Result.Add('DueDate', FormatDateTime('c', ATask.DueDate, FFormatSettings));
|
|
Result.Add('Description', ATask.Description);
|
|
Result.Add('Details', ATask.Details);
|
|
Result.Add('Complete', ATask.Complete);
|
|
if ATask.CreatedOn = 0 then
|
|
Result.Add('CreatedOn', '') else
|
|
Result.Add('CreatedOn', DateToStr(ATask.CreatedOn, FFormatSettings));
|
|
if ATask.CompletedOn = 0 then
|
|
Result.Add('CompletedOn', '') else
|
|
Result.Add('CompletedOn', DateToStr(ATask.CompletedOn, FFormatSettings));
|
|
Result.Add('Priority', ATask.Priority);
|
|
Result.Add('Category', ATask.Category);
|
|
Result.Add('UserField0', ATask.UserField0);
|
|
Result.Add('UserField1', ATask.UserField1);
|
|
Result.Add('UserField2', ATask.UserField2);
|
|
Result.Add('UserField3', ATask.UserField3);
|
|
Result.Add('UserField4', ATask.UserField4);
|
|
Result.Add('UserField5', ATask.UserField5);
|
|
Result.Add('UserField6', ATask.UserField6);
|
|
Result.Add('UserField7', ATask.UserField7);
|
|
Result.Add('UserField8', ATask.UserField8);
|
|
Result.Add('UserField9', ATask.UserField9);
|
|
end;
|
|
|
|
|
|
function TVpJSONDatastore.UniqueID(AValue: Integer): Boolean;
|
|
var
|
|
i, j: Integer;
|
|
res: TVpResource;
|
|
begin
|
|
Result := false;
|
|
for i:=0 to Resources.Count-1 do begin
|
|
res := Resources.Items[i];
|
|
if res.ResourceID = AValue then
|
|
exit;
|
|
for j:=0 to res.Contacts.Count-1 do
|
|
if res.Contacts.GetContact(j).RecordID = AValue then
|
|
exit;
|
|
for j:=0 to res.Tasks.Count-1 do
|
|
if res.Tasks.GetTask(j).RecordID = AValue then
|
|
exit;
|
|
for j:=0 to res.Schedule.EventCount-1 do
|
|
if res.Schedule.GetEvent(j).RecordID = AValue then
|
|
exit;
|
|
end;
|
|
Result := true;
|
|
end;
|
|
|
|
procedure TVpJSONDatastore.WriteJSON;
|
|
var
|
|
stream: TMemoryStream;
|
|
begin
|
|
stream := TMemoryStream.Create;
|
|
try
|
|
WriteJSONToMemoryStream(stream);
|
|
case FStoreType of
|
|
jstFile:
|
|
begin
|
|
stream.Position := 0;
|
|
stream.SaveToFile(FFileName);
|
|
end;
|
|
jstString:
|
|
begin
|
|
stream.Position := 0;
|
|
SetLength(FJSONString, stream.Size);
|
|
stream.Read(FJSONString[1], Length(FJSONString))
|
|
end;
|
|
end;
|
|
finally
|
|
stream.Free;
|
|
end;
|
|
end;
|
|
|
|
procedure TVpJSONDatastore.WriteJSONToMemoryStream(AStream: TMemoryStream);
|
|
var
|
|
json: TJSONObject;
|
|
resObj: TJSONObject;
|
|
resObjArray, evObjArray, contObjArray, tasksObjArray: TJSONArray;
|
|
res: TVpResource;
|
|
ev: TVpEvent;
|
|
cont: TVpContact;
|
|
task: TvpTask;
|
|
i, j: Integer;
|
|
s: TJSONStringType;
|
|
begin
|
|
if AStream = nil then
|
|
raise Exception.Create('No stream specified');
|
|
|
|
if not Connected then
|
|
exit;
|
|
|
|
// We do not yet store grouped events. Until this is implemented we must
|
|
// move the events back into their original resources.
|
|
UngroupEvents;
|
|
|
|
json := TJSONObject.Create;
|
|
try
|
|
resObjArray := TJSONArray.Create;
|
|
|
|
json.Add('Resources', resObjArray);
|
|
for i := 0 to Resources.Count-1 do begin
|
|
// Add resource
|
|
res := Resources.Items[i];
|
|
if res.Deleted then
|
|
Continue;
|
|
resObj := ResourceToJSON(res);
|
|
resObjArray.Add(resObj);
|
|
|
|
// Add events of resource
|
|
if res.Schedule.EventCount > 0 then
|
|
begin
|
|
evObjArray := TJSONArray.Create;
|
|
resObj.Add('Events', evObjArray);
|
|
for j:=0 to res.Schedule.EventCount - 1 do begin
|
|
ev := res.Schedule.GetEvent(j);
|
|
if ev.Deleted then
|
|
Continue;
|
|
evObjArray.Add(EventToJSON(ev));
|
|
end;
|
|
end;
|
|
|
|
// Add contacts of resource
|
|
if res.Contacts.Count > 0 then
|
|
begin;
|
|
contObjArray := TJSONArray.Create;
|
|
resObj.Add('Contacts', contObjArray);
|
|
for j:=0 to res.Contacts.Count-1 do begin
|
|
cont := res.Contacts.GetContact(j);
|
|
if cont.Deleted then
|
|
Continue;
|
|
contObjArray.Add(ContactToJSON(cont));
|
|
end;
|
|
end;
|
|
|
|
// Add tasks
|
|
if res.Tasks.Count > 0 then
|
|
begin
|
|
tasksObjArray := TJSONArray.Create;
|
|
resObj.Add('Tasks', tasksObjArray);
|
|
for j := 0 to res.Tasks.Count - 1 do begin
|
|
task := res.Tasks.GetTask(j);
|
|
if task.Deleted then
|
|
Continue;
|
|
tasksObjArray.Add(TaskToJSON(task));
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
s := json.FormatJSON;
|
|
AStream.Write(s[1], Length(s));
|
|
finally
|
|
json.Free;
|
|
end;
|
|
end;
|
|
|
|
end.
|