AttachmentContext

Experimental Alpha

AttachmentContext provides database operations for managing attachment records.

Provides methods to query, insert, update, and delete attachment records with proper transaction management through PowerSync.

Constructors

new AttachmentContext()

new AttachmentContext(
   db, 
   tableName, 
   logger, 
   archivedCacheLimit): AttachmentContext

Alpha

Parameters

Parameter	Type	Description
db	AbstractPowerSyncDatabase	PowerSync database instance
tableName	undefined | string	Name of the table storing attachment records. Default: 'attachments'
logger	ILogger	Logger instance for diagnostic output
archivedCacheLimit	number	-

Returns

AttachmentContext

Properties

Property	Modifier	Type	Description
archivedCacheLimit	readonly	number	Alpha Maximum number of archived attachments to keep before cleanup
db	readonly	AbstractPowerSyncDatabase	Alpha PowerSync database instance for executing queries
logger	readonly	ILogger	Alpha Logger instance for diagnostic information
tableName	readonly	string	Alpha Name of the database table storing attachment records

Methods

clearQueue()

clearQueue(): Promise<void>

Alpha Experimental

Returns

Promise<void>

---

deleteArchivedAttachments()

deleteArchivedAttachments(callback?): Promise<boolean>

Alpha Experimental

Parameters

Parameter	Type
callback?	(attachments) => Promise<void>

Returns

Promise<boolean>

---

deleteAttachment()

deleteAttachment(attachmentId): Promise<void>

Alpha

Parameters

Parameter	Type	Description
attachmentId	string	Unique identifier of the attachment to delete

Returns

Promise<void>

---

getActiveAttachments()

getActiveAttachments(): Promise<AttachmentRecord[]>

Alpha

Returns

Promise<AttachmentRecord[]>

Promise resolving to an array of active attachment records

---

getArchivedAttachments()

getArchivedAttachments(): Promise<AttachmentRecord[]>

Alpha

Returns

Promise<AttachmentRecord[]>

Promise resolving to an array of archived attachment records

---

getAttachment()

getAttachment(id): Promise<undefined | AttachmentRecord>

Alpha Experimental

Parameters

Parameter	Type
id	string

Returns

Promise<undefined | AttachmentRecord>

---

getAttachments()

getAttachments(): Promise<AttachmentRecord[]>

Alpha

Returns

Promise<AttachmentRecord[]>

Promise resolving to an array of all attachment records

---

saveAttachments()

saveAttachments(attachments): Promise<void>

Alpha

Parameters

Parameter	Type	Description
attachments	AttachmentRecord[]	Array of attachment records to save

Returns

Promise<void>

---

upsertAttachment()

upsertAttachment(attachment, context): Promise<void>

Alpha

Parameters

Parameter	Type	Description
attachment	AttachmentRecord	The attachment record to upsert
context	Transaction	Active database transaction context

Returns

Promise<void>