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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 | 18x 18x 18x | import Node from 'type/node';
import Operation, { OperationInput } from 'operation';
import NotFoundError from 'http/error/not-found';
interface Input extends OperationInput {
readonly url: string;
}
class LoadNodeFromUrlOperation extends Operation<Input, Node> {
protected performInternal(): Promise<Node> {
if (this.isLocalNode()) {
return this.loadLocalNode();
} else {
return this.loadRemoteNode();
}
}
private async loadLocalNode(): Promise<Node> {
const repository = this.getRepository();
const url = this.getUrl();
const node_parameters = repository.getNodeParametersForUrl(url);
if (node_parameters === undefined) {
throw new Error(`Invalid local node url: ${url}`);
}
const node = await repository.fetchNode(
node_parameters.type_id,
node_parameters.id
);
if (node === undefined) {
throw new NotFoundError();
}
return node;
}
private loadRemoteNode(): Promise<Node> {
throw new Error('not implemented');
}
private isLocalNode(): boolean {
const url = this.getUrl();
const repository = this.getRepository();
return repository.isLocalUrl(url);
}
private getUrl(): string {
const input = this.getInput();
return input.url;
}
}
export default LoadNodeFromUrlOperation;
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