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import { DoxityDocObj, GeneratedDocJson } from '@0xproject/react-docs';
import { fetchAsync, logUtils } from '@0xproject/utils';
import * as _ from 'lodash';
import { S3FileObject, VersionToFilePath } from 'ts/types';
import convert = require('xml-js');
export const docUtils = {
async getVersionToFilePathAsync(s3DocJsonRoot: string, folderName: string): Promise<VersionToFilePath> {
const versionFilePaths = await docUtils.getVersionFileNamesAsync(s3DocJsonRoot, folderName);
const versionToFilePath: VersionToFilePath = {};
_.each(versionFilePaths, filePath => {
const version = filePath.split('/v')[1].replace('.json', '');
versionToFilePath[version] = filePath;
});
return versionToFilePath;
},
async getVersionFileNamesAsync(s3DocJsonRoot: string, folderName: string): Promise<string[]> {
const response = await fetchAsync(s3DocJsonRoot);
if (response.status !== 200) {
// TODO: Show the user an error message when the docs fail to load
const errMsg = await response.text();
logUtils.log(`Failed to load JSON file list: ${response.status} ${errMsg}`);
throw new Error(errMsg);
}
const responseXML = await response.text();
const responseJSONString = convert.xml2json(responseXML, {
compact: true,
});
const responseObj = JSON.parse(responseJSONString);
const fileObjs: S3FileObject[] = _.isArray(responseObj.ListBucketResult.Contents)
? (responseObj.ListBucketResult.Contents as S3FileObject[])
: [responseObj.ListBucketResult.Contents];
/*
* S3 simply pre-fixes files in "folders" with the folder name. Thus, since we
* store docJSONs for multiple packages in a single S3 bucket, we must filter out
* the versionFileNames for a given folder here (ignoring folder entries)
*
* Example S3 response:
* <ListBucketResult xmlns="http://s3.amazonaws.com/doc/2006-03-01/">
* <Name>staging-doc-jsons</Name>
* <Prefix/>
* <Marker/>
* <MaxKeys>1000</MaxKeys>
* <IsTruncated>false</IsTruncated>
* <Contents>
* <Key>0xjs/</Key>
* <LastModified>2018-03-16T13:17:46.000Z</LastModified>
* <ETag>"d41d8cd98f00b204e9800998ecf8427e"</ETag>
* <Size>0</Size>
* <StorageClass>STANDARD</StorageClass>
* </Contents>
* <Contents>
* <Key>0xjs/v0.1.0.json</Key>
* <LastModified>2018-03-16T13:18:23.000Z</LastModified>
* <ETag>"b4f7f74913aab4a5ad1e6a58fcb3b274"</ETag>
* <Size>1039050</Size>
* <StorageClass>STANDARD</StorageClass>
* </Contents>
*/
const relevantObjs = _.filter(fileObjs, fileObj => {
const key = fileObj.Key._text;
const isInFolderOfInterest = _.includes(key, folderName);
const isFileEntry = !_.endsWith(key, '/');
return isInFolderOfInterest && isFileEntry;
});
const versionFilePaths = _.map(relevantObjs, fileObj => {
return fileObj.Key._text;
});
return versionFilePaths;
},
async getJSONDocFileAsync(filePath: string, s3DocJsonRoot: string): Promise<GeneratedDocJson | DoxityDocObj> {
const endpoint = `${s3DocJsonRoot}/${filePath}`;
const response = await fetchAsync(endpoint);
if (response.status !== 200) {
// TODO: Show the user an error message when the docs fail to load
const errMsg = await response.text();
logUtils.log(`Failed to load Doc JSON: ${response.status} ${errMsg}`);
throw new Error(errMsg);
}
const jsonDocObj = await response.json();
return jsonDocObj;
},
};
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