@smartsoft001/domain-core v2.66.0
@smartsoft001/domain-core
Installation
npm i @smartsoft001/domain-core
Repositories
IItemRepository
create - Creates a new entity in the storage system.
returns a Promise<void>
that resolves when the entity is successfully created.
createMany - Creates multiple entities in the storage system.
returns a Promise<void>
that resolves when all entities are successfully created.
update - Updates an existing entity in the storage system.
returns a Promise<void>
that resolves when the entity is successfully updated.
updatePartial - Partially updates an existing entity in the storage system.
Partial<T>& { id: string }
returns a Promise<void>
that resolves when the entity is successfully updated.
updatePartialManyByCriteria - Partially updates multiple entities that match the specified criteria.
Partial<T>
returns a Promise<void>
that resolves when the entities are successfully updated.
updatePartialManyBySpecification - Partially updates multiple entities that match the specified specification.
Partial<T>
returns a Promise<void>
that resolves when the entities are successfully updated.
delete - Deletes an entity from the storage system by its ID.
returns a Promise<void>
that resolves when the entity is successfully deleted.
getById - Retrieves an entity from the storage system by its ID.
returns a Promise<T>
that resolves to the retrieved entity.
getByCriteria - Retrieves entities from the storage system that match the specified criteria.
returns a Promise<{ data: T[]; totalCount: number }>
that resolves to an object containing the matching entities and the total count.
getBySpecification - Retrieves entities from the storage system that match the specified specification.
returns a Promise<{ data: T[]; totalCount: number }>
that resolves to an object containing the matching entities and the total count.
countBySpecification - Counts the number of entities in the storage system that match the specified specification.
returns a Promise<number>
that resolves to a count of matching entities.
clear - Counts the number of entities in the storage system that match the specified specification.
returns a Promise<void>
that resolves when the storage system is cleared.
changesByCriteria - Returns an observable that emits changes to entities that match the specified criteria.
returns a Observable<any>
that emits changes to the matching entities.
IAttachmentRepository
upload - Uploads a file to the storage system.
{ streamCallback?: (r: any) => void }
returns a Promise<void>
that when the upload is complete.
throws an error if the upload fails.
Example usage with MongoDB implementation:
const repository = new MongoAttachmentRepository(config);
const fileStream = fs.createReadStream('/path/to/file');
await repository.upload(
{
id: 'unique-file-id',
fileName: 'example.txt',
stream: fileStream,
mimeType: 'text/plain',
encoding: 'utf-8',
},
{
streamCallback: (writeStream) => {
console.log('Upload started');
},
},
);
console.log('File uploaded successfully');
getInfo - Retrieves metadata information about a file stored in the storage system.
returns a Promise<{ fileName: string, contentType: string, length: number } | null>
that resolves to an object
containing file metadata, or null
if the file is not found.
throws an error if retrieving the file information fails.
getStream - Retrieves a stream for downloading a file from the storage system.
{ start: number; end: number }
returns a Promise<any>
that resolves to a readable stream of the file.
throws an error if retrieving the file stream fails.
delete - Deletes a file from the storage system.
returns a Promise<void>
that resolves when the file has been successfully deleted.
throws an error if the deletion fails.
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