protected registerProvider()

in src/main.ts [921:975]
50 lines of code
1 McCabe index (conditional complexity)

	protected registerProvider(options: undefined): Disposable {
		const client = this._client;

		let getRestorePlan = (ownerUri: string, restoreInfo: azdata.RestoreInfo): Thenable<azdata.RestorePlanResponse> => {
			let params: types.RestoreParams = { options: restoreInfo.options, ownerUri, taskExecutionMode: restoreInfo.taskExecutionMode };
			return client.sendRequest(protocol.RestorePlanRequest.type, params).then(
				r => r,
				e => {
					client.logFailedRequest(protocol.RestorePlanRequest.type, e);
					return Promise.resolve(undefined);
				}
			);
		};

		let restore = (ownerUri: string, restoreInfo: azdata.RestoreInfo): Thenable<azdata.RestoreResponse> => {
			let params: types.RestoreParams = { options: restoreInfo.options, ownerUri, taskExecutionMode: restoreInfo.taskExecutionMode };
			return client.sendRequest(protocol.RestoreRequest.type, params).then(
				r => r,
				e => {
					client.logFailedRequest(protocol.RestoreRequest.type, e);
					return Promise.resolve(undefined);
				}
			);
		};

		let getRestoreConfigInfo = (ownerUri: string): Thenable<azdata.RestoreConfigInfo> => {
			let params: types.RestoreConfigInfoRequestParams = { ownerUri };
			return client.sendRequest(protocol.RestoreConfigInfoRequest.type, params).then(
				r => r,
				e => {
					client.logFailedRequest(protocol.RestoreConfigInfoRequest.type, e);
					return Promise.resolve(undefined);
				}
			);
		};

		let cancelRestorePlan = (ownerUri: string, restoreInfo: azdata.RestoreInfo): Thenable<boolean> => {
			let params: types.RestoreParams = { options: restoreInfo.options, ownerUri, taskExecutionMode: restoreInfo.taskExecutionMode };
			return client.sendRequest(protocol.CancelRestorePlanRequest.type, params).then(
				r => r,
				e => {
					client.logFailedRequest(protocol.CancelRestorePlanRequest.type, e);
					return Promise.resolve(undefined);
				}
			);
		};

		return azdata.dataprotocol.registerRestoreProvider({
			providerId: client.providerId,
			cancelRestorePlan,
			getRestoreConfigInfo,
			getRestorePlan,
			restore
		});
	}