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etagHandlerService.ts
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etagHandlerService.ts
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/*
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*/
import * as vscode from "vscode";
import { RequestInit } from "node-fetch";
import { getCommonHeaders } from "../common/authenticationProvider";
import { httpMethod, ODATA_ETAG, queryParameters } from "../common/constants";
import { IAttributePath } from "../common/interfaces";
import { PortalsFS } from "../dal/fileSystemProvider";
import { telemetryEventNames } from "../telemetry/constants";
import { GetFileContent } from "../utilities/commonUtil";
import {
getFileEntityEtag,
getFileEntityId,
getFileEntityName,
updateEntityEtag,
updateFileEntityEtag,
} from "../utilities/fileAndEntityUtil";
import { getRequestURL } from "../utilities/urlBuilderUtil";
import WebExtensionContext from "../WebExtensionContext";
export class EtagHandlerService {
public static async getLatestFileContentAndUpdateMetadata(
fileFsPath: string,
portalFs: PortalsFS
): Promise<string> {
const entityName = getFileEntityName(fileFsPath);
const entityId = getFileEntityId(fileFsPath);
const requestSentAtTime = new Date().getTime();
const entityEtag = getFileEntityEtag(fileFsPath);
const dataverseOrgUrl = WebExtensionContext.urlParametersMap.get(
queryParameters.ORG_URL
) as string;
const requestUrl = getRequestURL(
dataverseOrgUrl,
entityName,
entityId,
httpMethod.GET,
true,
false
);
const attributePath: IAttributePath =
WebExtensionContext.fileDataMap.getFileMap.get(fileFsPath)
?.attributePath as IAttributePath;
try {
const requestInit: RequestInit = {
method: httpMethod.GET,
headers: getCommonHeaders(
WebExtensionContext.dataverseAccessToken
),
};
if (entityEtag) {
requestInit.headers = {
...requestInit.headers,
"If-None-Match": entityEtag,
};
}
WebExtensionContext.telemetry.sendAPITelemetry(
requestUrl,
entityName,
httpMethod.GET,
this.getLatestFileContentAndUpdateMetadata.name,
'',
true,
0,
undefined,
telemetryEventNames.WEB_EXTENSION_ETAG_HANDLER_SERVICE
);
await WebExtensionContext.dataverseAuthentication();
const response = await WebExtensionContext.concurrencyHandler.handleRequest(requestUrl, requestInit);
if (response.ok) {
const result = await response.json();
const currentContent = new TextDecoder().decode(
await portalFs.readFile(vscode.Uri.parse(fileFsPath))
);
const latestContent = GetFileContent(result, attributePath, entityName, entityId);
updateEntityEtag(entityId, result[ODATA_ETAG]);
if (currentContent !== latestContent) {
WebExtensionContext.telemetry.sendInfoTelemetry(
telemetryEventNames.WEB_EXTENSION_ENTITY_CONTENT_CHANGED
);
return latestContent;
}
WebExtensionContext.telemetry.sendInfoTelemetry(
telemetryEventNames.WEB_EXTENSION_ENTITY_CONTENT_SAME
);
} else if (response.status === 304) {
WebExtensionContext.telemetry.sendInfoTelemetry(
telemetryEventNames.WEB_EXTENSION_ENTITY_CONTENT_SAME
);
} else {
WebExtensionContext.telemetry.sendErrorTelemetry(
telemetryEventNames.WEB_EXTENSION_ETAG_HANDLER_SERVICE_API_ERROR,
this.getLatestFileContentAndUpdateMetadata.name,
response.statusText
);
throw new Error(JSON.stringify(response));
}
WebExtensionContext.telemetry.sendAPISuccessTelemetry(
requestUrl,
entityName,
httpMethod.GET,
new Date().getTime() - requestSentAtTime,
this.getLatestFileContentAndUpdateMetadata.name
);
} catch (error) {
if ((error as Response)?.status > 0) {
const authError = (error as Error)?.message;
WebExtensionContext.telemetry.sendAPIFailureTelemetry(
requestUrl,
entityName,
httpMethod.GET,
new Date().getTime() - requestSentAtTime,
this.getLatestFileContentAndUpdateMetadata.name,
authError,
'',
(error as Response)?.status.toString()
);
} else {
WebExtensionContext.telemetry.sendErrorTelemetry(
telemetryEventNames.WEB_EXTENSION_ETAG_HANDLER_SERVICE_ERROR,
this.getLatestFileContentAndUpdateMetadata.name,
(error as Error)?.message
);
}
}
return "";
}
public static async updateFileEtag(fileFsPath: string) {
const entityName = getFileEntityName(fileFsPath);
const entityId = getFileEntityId(fileFsPath);
const requestSentAtTime = new Date().getTime();
const dataverseOrgUrl = WebExtensionContext.urlParametersMap.get(
queryParameters.ORG_URL
) as string;
const requestUrl = getRequestURL(
dataverseOrgUrl,
entityName,
entityId,
httpMethod.GET,
true,
false
);
try {
const requestInit: RequestInit = {
method: httpMethod.GET,
headers: getCommonHeaders(
WebExtensionContext.dataverseAccessToken
),
};
WebExtensionContext.telemetry.sendAPITelemetry(
requestUrl,
entityName,
httpMethod.GET,
this.updateFileEtag.name
);
await WebExtensionContext.dataverseAuthentication();
const response = await WebExtensionContext.concurrencyHandler.handleRequest(requestUrl, requestInit);
if (response.ok) {
const result = await response.json();
updateFileEntityEtag(
fileFsPath,
result[ODATA_ETAG]
);
} else {
WebExtensionContext.telemetry.sendErrorTelemetry(
telemetryEventNames.WEB_EXTENSION_ENTITY_CONTENT_UNEXPECTED_RESPONSE,
this.updateFileEtag.name,
response.statusText
);
throw new Error(JSON.stringify(response));
}
WebExtensionContext.telemetry.sendAPISuccessTelemetry(
requestUrl,
entityName,
httpMethod.GET,
new Date().getTime() - requestSentAtTime,
this.updateFileEtag.name
);
} catch (error) {
if ((error as Response)?.status > 0) {
const authError = (error as Error)?.message;
WebExtensionContext.telemetry.sendAPIFailureTelemetry(
requestUrl,
entityName,
httpMethod.GET,
new Date().getTime() - requestSentAtTime,
this.updateFileEtag.name,
authError,
'',
(error as Response)?.status.toString()
);
} else {
WebExtensionContext.telemetry.sendErrorTelemetry(
telemetryEventNames.WEB_EXTENSION_ETAG_HANDLER_SERVICE_ERROR,
this.updateFileEtag.name,
(error as Error)?.message,
error as Error
);
}
}
}
}