Ghost/ghost/admin/app/services/member-import-validator.js

130 lines
4.1 KiB
JavaScript

import Service, {inject as service} from '@ember/service';
import classic from 'ember-classic-decorator';
import validator from 'validator';
import {isEmpty} from '@ember/utils';
@classic
export default class MemberImportValidatorService extends Service {
@service ajax;
@service feature;
@service membersUtils;
@service ghostPaths;
check(data) {
let sampledData = this._sampleData(data);
let mapping = this._detectDataTypes(sampledData);
return mapping;
}
/**
* Method implements following sampling logic:
* Locate 10 non-empty cells from the start/middle(ish)/end of each column (30 non-empty values in total).
* If the data contains 30 rows or fewer, all rows should be validated.
*
* @param {Array} data JSON objects mapped from CSV file
* @param {number} validationSampleSize number of rows to sample
*/
_sampleData(data, validationSampleSize = 30) {
let validatedSet = [{}];
if (data && data.length > validationSampleSize) {
let sampleKeys = Object.keys(data[0]);
sampleKeys.forEach(function (key) {
const nonEmptyKeyEntries = data.filter(entry => !isEmpty(entry[key]));
let sampledEntries = [];
if (nonEmptyKeyEntries.length <= validationSampleSize) {
sampledEntries = nonEmptyKeyEntries;
} else {
// take 3 equal parts from head, tail and middle of the data set
const partitionSize = validationSampleSize / 3;
const head = data.slice(0, partitionSize);
const tail = data.slice((data.length - partitionSize), data.length);
const middleIndex = Math.floor(data.length / 2);
const middleStartIndex = middleIndex - 2;
const middleEndIndex = middleIndex + 3;
const middle = data.slice(middleStartIndex, middleEndIndex);
validatedSet.push(...head);
validatedSet.push(...middle);
validatedSet.push(...tail);
}
sampledEntries.forEach((entry, index) => {
if (!validatedSet[index]) {
validatedSet[index] = {};
}
validatedSet[index][key] = entry[key];
});
});
} else {
validatedSet = data;
}
return validatedSet;
}
/**
* Detects supported data types and auto-detects following needed for validation: email
*
* Returned "mapping" object contains mappings that could be accepted by the API
* to map validated types.
* @param {Array} data sampled data containing non empty values
*/
_detectDataTypes(data) {
const supportedTypes = [
'email',
'name',
'note',
'subscribed_to_emails',
'complimentary_plan',
'stripe_customer_id',
'labels',
'created_at'
];
if (this.feature.importMemberTier) {
supportedTypes.push('import_tier');
}
const autoDetectedTypes = [
'email'
];
let mapping = {};
let i = 0;
// looping through all sampled data until needed data types are detected
while (i <= (data.length - 1)) {
if (mapping.email && mapping.stripe_customer_id) {
break;
}
let entry = data[i];
for (const [key, value] of Object.entries(entry)) {
if (!mapping.email && validator.isEmail(value)) {
mapping.email = key;
continue;
}
if (!mapping.name && /name/.test(key)) {
mapping.name = key;
continue;
}
if (!mapping[key] && supportedTypes.includes(key) && !(autoDetectedTypes.includes(key))) {
mapping[key] = key;
}
}
i += 1;
}
return mapping;
}
}