SimpleAttachment

This server class provides methods that allow operating with attachments.

SimpleAttachment()

Instantiates a new empty SimpleAttachment object.

SimpleAttachment

const attach = new SimpleAttachment();

base64Decode(data)

This method returns an ASCII string decoded from the base64 string specified.

Name	Type	Mandatory	Default Value
data	String	Y	N

Return:

Type	Description
String	The decoded string.

Example:

base64Decode

const attach = new SimpleAttachment();
const result =
  attach.base64Decode('TG9yZW0gaXBzdW0gZG9sb3Igc2l0IGFtZXQ=');
ss.info(result);

base64Encode(data)

This method returns a Base64 string from the string specified.

Name	Type	Mandatory	Default Value
data	String	Y	N

Return:

Type	Description
String	The encoded Base64 string.

Example:

base64Encode

const attach = new SimpleAttachment();
const result =
  attach.base64Encode('Lorem ipsum dolor sit amet');
ss.info(result);

copy(sourceTableName, sourceID, targetTableName, targetID)

This method copies attachments from the source record to the target record.

Parameter(s):

Name	Type	Mandatory	Default Value
sourceTableName	String	Y	N
sourceID	String	Y	N
targetTableName	String	Y	N
targetID	String	Y	N

Return:

Type	Description
Boolean	This method returns TRUE if attachments copied successfully; otherwise, it returns FALSE.

Example:

copy

const attach = new SimpleAttachment();
attach.copy('sys_email', '155964310500000059', 'task', current.sys_id);

deleteAttachment(attachmentID)

This method deletes the specified attachment.

Parameter(s):

Name	Type	Mandatory	Default Value
attachmentID	String	Y	N

Return:

Type	Description
Void	This method does not return a value.

Example:

deleteAttachment

const attach = new SimpleAttachment();
attach.deleteAttachment('157052637119478714');

getAttachmentUrlById(attachmentId)

This method allows to get the URL of the specified attachment at the cloud storage.

Name	Type	Mandatory	Default Value
attachmentId	string	Y	N

Return:

Type	Description
String	This method returns the attachment URL in the cloud storage.

Example:

getAttachmentUrlById

const current = new SimpleRecord('sys_attachment');
current.get('163553718313772587');
const ATTACH_ID = current.sys_id;

const simpleAttach = new SimpleAttachment();
const attachUrl = simpleAttach.getAttachmentUrlById(ATTACH_ID);
ss.info(attachUrl);
//Info: https://s3-{your-instance-url}/public-attachment/5/32/9bnc2pcb3axyfatgtc6lsi7...

getContent(sysAttachment)

This method gets attachment content as a string.

Name	Type	Mandatory	Default Value
sysAttachment	SimpleRecord	Y	N

Return:

Type	Description
String	The attachment content as a string.

Example)

getContent

const attach = new SimpleAttachment();
const content = attach.getContent('157052637119478714');

readBase64(attachmentId)

This method allows to get a encoded string from the specified attachment.

The attachment size is limited up to 10 Mb; otherwise, the method throws an exception.

Parameter(s):

Name	Type	Mandatory	Default value
attachmentId	String	Y	N

Return:

Type	Description
String	The base64-encoded string.

readBase64

const read = new SimpleAttachment();
ss.info(read.readBase64('159050716911764097'));

rename(attachmentId, fileName)

This method renames the specified attachment.

Parameter(s):

Name	Type	Mandatory	Default Value
attachmentId	String	Y	N
fileName	String	Y	N

Return:

Type	Description
Void	This method does not return a value.

Example:

rename

const DOC_ID = ss.getDocIdByIds(current.sys_db_table_id, current.sys_id);
const simpleAttach = new SimpleAttachment();
const attachRecord = new SimpleRecord('sys_attachment');
attachRecord.addQuery('record_document_id', DOC_ID);
attachRecord.addQuery('mime_content_type', 'application/json');
attachRecord.selectAttributes('sys_id');
attachRecord.query();
attachRecord.next();
simpleAttach.rename(attachRecord.sys_id, `${current.number} - ${current.subject}.json`);

write(documentId, fileName, content, contentType)

This method inserts the attachment to the record specified.

Name	Type	Mandatory	Default Value
documentId	String	Y	N
filename	String	Y	N
content	String	Y	N
contentType	String	Y	N

Return

Type	Description
String	The attachment's sys ID; in case of error; returns NULL.

Example:

write

const simpleAttach = new SimpleAttachment();
const attachID =
    simpleAttach.write(
        ss.getDocIdByIds(current.sys_db_table_id, current.sys_id),
        'readme.json',
        JSON.stringify(current.getAttributes(), null, '\t'),
        'application/json'
    );

writeBase64(documentId, fileName, base64, contentType)

This method inserts the attachment to the record specified using Base64 encoding.

Name	Type	Mandatory	Default Value
documentID	String	Y	N
fileName	String	Y	N
base64	String	Y	N
contentType	String	Y	N

Return

Type	Description
String or NULL	The attachment's sys ID; in case of error; returns NULL.

Example:

writeBase64

const CURRENT_USER_DOC_ID = ss.getDocIdByIds(ss.getUser().sys_db_table_id, ss.getUserID());
const simpleAttach = new SimpleAttachment();
const base64Value = 'R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=';
const attachId = simpleAttach.writeBase64(
    CURRENT_USER_DOC_ID,
  	'file_example.gif',
    base64Value,
    'image/gif'
);
ss.info(attachId);
//Info: 162245472311776172

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SimpleAttachment