917 lines
26 KiB
JavaScript
917 lines
26 KiB
JavaScript
import log from '../../../logger';
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import _ from 'lodash';
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var mongodb = require('mongodb');
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var Parse = require('parse/node').Parse;
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const transformKey = (className, fieldName, schema) => {
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// Check if the schema is known since it's a built-in field.
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switch(fieldName) {
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case 'objectId': return '_id';
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case 'createdAt': return '_created_at';
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case 'updatedAt': return '_updated_at';
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case 'sessionToken': return '_session_token';
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}
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if (schema.fields[fieldName] && schema.fields[fieldName].__type == 'Pointer') {
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fieldName = '_p_' + fieldName;
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}
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return fieldName;
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}
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const transformKeyValueForUpdate = (className, restKey, restValue, parseFormatSchema) => {
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// Check if the schema is known since it's a built-in field.
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var key = restKey;
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var timeField = false;
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switch(key) {
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case 'objectId':
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case '_id':
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key = '_id';
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break;
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case 'createdAt':
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case '_created_at':
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key = '_created_at';
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timeField = true;
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break;
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case 'updatedAt':
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case '_updated_at':
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key = '_updated_at';
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timeField = true;
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break;
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case 'sessionToken':
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case '_session_token':
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key = '_session_token';
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break;
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case 'expiresAt':
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case '_expiresAt':
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key = 'expiresAt';
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timeField = true;
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break;
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case '_email_verify_token_expires_at':
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key = '_email_verify_token_expires_at';
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timeField = true;
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break;
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case '_rperm':
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case '_wperm':
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return {key: key, value: restValue};
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break;
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}
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if ((parseFormatSchema.fields[key] && parseFormatSchema.fields[key].type === 'Pointer') || (!parseFormatSchema.fields[key] && restValue && restValue.__type == 'Pointer')) {
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key = '_p_' + key;
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}
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// Handle atomic values
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var value = transformTopLevelAtom(restValue);
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if (value !== CannotTransform) {
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if (timeField && (typeof value === 'string')) {
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value = new Date(value);
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}
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return {key, value};
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}
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// Handle arrays
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if (restValue instanceof Array) {
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value = restValue.map(transformInteriorValue);
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return {key, value};
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}
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// Handle update operators
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if (typeof restValue === 'object' && '__op' in restValue) {
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return {key, value: transformUpdateOperator(restValue, false)};
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}
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// Handle normal objects by recursing
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value = _.mapValues(restValue, transformInteriorValue);
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return {key, value};
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}
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const transformInteriorValue = restValue => {
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if (restValue !== null && typeof restValue === 'object' && Object.keys(restValue).some(key => key.includes('$') || key.includes('.'))) {
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throw new Parse.Error(Parse.Error.INVALID_NESTED_KEY, "Nested keys should not contain the '$' or '.' characters");
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}
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// Handle atomic values
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var value = transformInteriorAtom(restValue);
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if (value !== CannotTransform) {
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return value;
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}
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// Handle arrays
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if (restValue instanceof Array) {
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return restValue.map(transformInteriorValue);
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}
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// Handle update operators
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if (typeof restValue === 'object' && '__op' in restValue) {
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return transformUpdateOperator(restValue, true);
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}
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// Handle normal objects by recursing
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return _.mapValues(restValue, transformInteriorValue);
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}
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const valueAsDate = value => {
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if (typeof value === 'string') {
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return new Date(value);
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} else if (value instanceof Date) {
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return value;
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}
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return false;
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}
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function transformQueryKeyValue(className, key, value, schema) {
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switch(key) {
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case 'createdAt':
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if (valueAsDate(value)) {
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return {key: '_created_at', value: valueAsDate(value)}
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}
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key = '_created_at';
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break;
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case 'updatedAt':
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if (valueAsDate(value)) {
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return {key: '_updated_at', value: valueAsDate(value)}
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}
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key = '_updated_at';
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break;
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case 'expiresAt':
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if (valueAsDate(value)) {
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return {key: 'expiresAt', value: valueAsDate(value)}
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}
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break;
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case '_email_verify_token_expires_at':
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if (valueAsDate(value)) {
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return {key: '_email_verify_token_expires_at', value: valueAsDate(value)}
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}
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break;
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case 'objectId': return {key: '_id', value}
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case 'sessionToken': return {key: '_session_token', value}
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case '_rperm':
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case '_wperm':
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case '_perishable_token':
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case '_email_verify_token': return {key, value}
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case '$or':
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return {key: '$or', value: value.map(subQuery => transformWhere(className, subQuery, schema))};
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case '$and':
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return {key: '$and', value: value.map(subQuery => transformWhere(className, subQuery, schema))};
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default:
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// Other auth data
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const authDataMatch = key.match(/^authData\.([a-zA-Z0-9_]+)\.id$/);
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if (authDataMatch) {
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const provider = authDataMatch[1];
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// Special-case auth data.
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return {key: `_auth_data_${provider}.id`, value};
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}
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}
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const expectedTypeIsArray =
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schema &&
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schema.fields[key] &&
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schema.fields[key].type === 'Array';
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const expectedTypeIsPointer =
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schema &&
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schema.fields[key] &&
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schema.fields[key].type === 'Pointer';
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if (expectedTypeIsPointer || !schema && value && value.__type === 'Pointer') {
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key = '_p_' + key;
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}
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// Handle query constraints
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if (transformConstraint(value, expectedTypeIsArray) !== CannotTransform) {
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return {key, value: transformConstraint(value, expectedTypeIsArray)};
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}
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if (expectedTypeIsArray && !(value instanceof Array)) {
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return {key, value: { '$all' : [value] }};
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}
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// Handle atomic values
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if (transformTopLevelAtom(value) !== CannotTransform) {
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return {key, value: transformTopLevelAtom(value)};
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} else {
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throw new Parse.Error(Parse.Error.INVALID_JSON, `You cannot use ${value} as a query parameter.`);
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}
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}
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// Main exposed method to help run queries.
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// restWhere is the "where" clause in REST API form.
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// Returns the mongo form of the query.
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function transformWhere(className, restWhere, schema) {
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let mongoWhere = {};
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for (let restKey in restWhere) {
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let out = transformQueryKeyValue(className, restKey, restWhere[restKey], schema);
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mongoWhere[out.key] = out.value;
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}
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return mongoWhere;
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}
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const parseObjectKeyValueToMongoObjectKeyValue = (restKey, restValue, schema) => {
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// Check if the schema is known since it's a built-in field.
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let transformedValue;
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let coercedToDate;
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switch(restKey) {
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case 'objectId': return {key: '_id', value: restValue};
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case 'expiresAt':
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transformedValue = transformTopLevelAtom(restValue);
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coercedToDate = typeof transformedValue === 'string' ? new Date(transformedValue) : transformedValue
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return {key: 'expiresAt', value: coercedToDate};
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case '_email_verify_token_expires_at':
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transformedValue = transformTopLevelAtom(restValue);
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coercedToDate = typeof transformedValue === 'string' ? new Date(transformedValue) : transformedValue
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return {key: '_email_verify_token_expires_at', value: coercedToDate};
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case '_rperm':
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case '_wperm':
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case '_email_verify_token':
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case '_hashed_password':
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case '_perishable_token': return {key: restKey, value: restValue};
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case 'sessionToken': return {key: '_session_token', value: restValue};
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default:
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// Auth data should have been transformed already
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if (restKey.match(/^authData\.([a-zA-Z0-9_]+)\.id$/)) {
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throw new Parse.Error(Parse.Error.INVALID_KEY_NAME, 'can only query on ' + restKey);
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}
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// Trust that the auth data has been transformed and save it directly
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if (restKey.match(/^_auth_data_[a-zA-Z0-9_]+$/)) {
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return {key: restKey, value: restValue};
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}
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}
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//skip straight to transformTopLevelAtom for Bytes, they don't show up in the schema for some reason
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if (restValue && restValue.__type !== 'Bytes') {
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//Note: We may not know the type of a field here, as the user could be saving (null) to a field
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//That never existed before, meaning we can't infer the type.
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if (schema.fields[restKey] && schema.fields[restKey].type == 'Pointer' || restValue.__type == 'Pointer') {
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restKey = '_p_' + restKey;
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}
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}
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// Handle atomic values
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var value = transformTopLevelAtom(restValue);
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if (value !== CannotTransform) {
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return {key: restKey, value: value};
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}
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// ACLs are handled before this method is called
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// If an ACL key still exists here, something is wrong.
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if (restKey === 'ACL') {
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throw 'There was a problem transforming an ACL.';
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}
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// Handle arrays
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if (restValue instanceof Array) {
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value = restValue.map(transformInteriorValue);
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return {key: restKey, value: value};
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}
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// Handle normal objects by recursing
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if (Object.keys(restValue).some(key => key.includes('$') || key.includes('.'))) {
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throw new Parse.Error(Parse.Error.INVALID_NESTED_KEY, "Nested keys should not contain the '$' or '.' characters");
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}
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value = _.mapValues(restValue, transformInteriorValue);
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return {key: restKey, value};
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}
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const parseObjectToMongoObjectForCreate = (className, restCreate, schema) => {
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restCreate = addLegacyACL(restCreate);
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let mongoCreate = {}
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for (let restKey in restCreate) {
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let { key, value } = parseObjectKeyValueToMongoObjectKeyValue(
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restKey,
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restCreate[restKey],
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schema
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);
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if (value !== undefined) {
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mongoCreate[key] = value;
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}
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}
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// Use the legacy mongo format for createdAt and updatedAt
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if (mongoCreate.createdAt) {
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mongoCreate._created_at = new Date(mongoCreate.createdAt.iso || mongoCreate.createdAt);
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delete mongoCreate.createdAt;
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}
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if (mongoCreate.updatedAt) {
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mongoCreate._updated_at = new Date(mongoCreate.updatedAt.iso || mongoCreate.updatedAt);
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delete mongoCreate.updatedAt;
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}
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return mongoCreate;
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}
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// Main exposed method to help update old objects.
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const transformUpdate = (className, restUpdate, parseFormatSchema) => {
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let mongoUpdate = {};
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let acl = addLegacyACL(restUpdate)._acl;
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if (acl) {
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mongoUpdate.$set = {};
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if (acl._rperm) {
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mongoUpdate.$set._rperm = acl._rperm;
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}
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if (acl._wperm) {
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mongoUpdate.$set._wperm = acl._wperm;
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}
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if (acl._acl) {
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mongoUpdate.$set._acl = acl._acl;
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}
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}
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for (var restKey in restUpdate) {
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var out = transformKeyValueForUpdate(className, restKey, restUpdate[restKey], parseFormatSchema);
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// If the output value is an object with any $ keys, it's an
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// operator that needs to be lifted onto the top level update
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// object.
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if (typeof out.value === 'object' && out.value !== null && out.value.__op) {
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mongoUpdate[out.value.__op] = mongoUpdate[out.value.__op] || {};
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mongoUpdate[out.value.__op][out.key] = out.value.arg;
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} else {
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mongoUpdate['$set'] = mongoUpdate['$set'] || {};
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mongoUpdate['$set'][out.key] = out.value;
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}
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}
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return mongoUpdate;
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}
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// Add the legacy _acl format.
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const addLegacyACL = restObject => {
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let restObjectCopy = {...restObject};
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let _acl = {};
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if (restObject._wperm) {
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restObject._wperm.forEach(entry => {
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_acl[entry] = { w: true };
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});
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}
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if (restObject._rperm) {
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restObject._rperm.forEach(entry => {
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if (!(entry in _acl)) {
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_acl[entry] = { r: true };
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} else {
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_acl[entry].r = true;
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}
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});
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}
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if (Object.keys(_acl).length > 0) {
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restObjectCopy._acl = _acl;
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}
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return restObjectCopy;
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}
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// A sentinel value that helper transformations return when they
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// cannot perform a transformation
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function CannotTransform() {}
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const transformInteriorAtom = atom => {
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// TODO: check validity harder for the __type-defined types
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if (typeof atom === 'object' && atom && !(atom instanceof Date) && atom.__type === 'Pointer') {
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return {
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__type: 'Pointer',
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className: atom.className,
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objectId: atom.objectId
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};
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} else if (typeof atom === 'function' || typeof atom === 'symbol') {
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throw new Parse.Error(Parse.Error.INVALID_JSON, `cannot transform value: ${atom}`);
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} else if (DateCoder.isValidJSON(atom)) {
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return DateCoder.JSONToDatabase(atom);
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} else if (BytesCoder.isValidJSON(atom)) {
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return BytesCoder.JSONToDatabase(atom);
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} else {
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return atom;
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}
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}
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// Helper function to transform an atom from REST format to Mongo format.
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// An atom is anything that can't contain other expressions. So it
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// includes things where objects are used to represent other
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// datatypes, like pointers and dates, but it does not include objects
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// or arrays with generic stuff inside.
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// Raises an error if this cannot possibly be valid REST format.
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// Returns CannotTransform if it's just not an atom
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function transformTopLevelAtom(atom) {
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switch(typeof atom) {
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case 'string':
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case 'number':
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case 'boolean':
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return atom;
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case 'undefined':
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return atom;
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case 'symbol':
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case 'function':
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throw new Parse.Error(Parse.Error.INVALID_JSON, `cannot transform value: ${atom}`);
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case 'object':
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if (atom instanceof Date) {
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// Technically dates are not rest format, but, it seems pretty
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// clear what they should be transformed to, so let's just do it.
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return atom;
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}
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if (atom === null) {
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return atom;
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}
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// TODO: check validity harder for the __type-defined types
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if (atom.__type == 'Pointer') {
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return `${atom.className}$${atom.objectId}`;
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}
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if (DateCoder.isValidJSON(atom)) {
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return DateCoder.JSONToDatabase(atom);
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}
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if (BytesCoder.isValidJSON(atom)) {
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return BytesCoder.JSONToDatabase(atom);
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}
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if (GeoPointCoder.isValidJSON(atom)) {
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return GeoPointCoder.JSONToDatabase(atom);
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}
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if (FileCoder.isValidJSON(atom)) {
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return FileCoder.JSONToDatabase(atom);
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}
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return CannotTransform;
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default:
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// I don't think typeof can ever let us get here
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throw new Parse.Error(Parse.Error.INTERNAL_SERVER_ERROR, `really did not expect value: ${atom}`);
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}
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}
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// Transforms a query constraint from REST API format to Mongo format.
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// A constraint is something with fields like $lt.
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// If it is not a valid constraint but it could be a valid something
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// else, return CannotTransform.
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// inArray is whether this is an array field.
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function transformConstraint(constraint, inArray) {
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if (typeof constraint !== 'object' || !constraint) {
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return CannotTransform;
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}
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// keys is the constraints in reverse alphabetical order.
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// This is a hack so that:
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// $regex is handled before $options
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// $nearSphere is handled before $maxDistance
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var keys = Object.keys(constraint).sort().reverse();
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var answer = {};
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for (var key of keys) {
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switch(key) {
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case '$lt':
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case '$lte':
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case '$gt':
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case '$gte':
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case '$exists':
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case '$ne':
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case '$eq':
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answer[key] = inArray ? transformInteriorAtom(constraint[key]) : transformTopLevelAtom(constraint[key]);
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if (answer[key] === CannotTransform) {
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throw new Parse.Error(Parse.Error.INVALID_JSON, `bad atom: ${atom}`);
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}
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break;
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case '$in':
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case '$nin':
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var arr = constraint[key];
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if (!(arr instanceof Array)) {
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throw new Parse.Error(Parse.Error.INVALID_JSON, 'bad ' + key + ' value');
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}
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answer[key] = arr.map(value => {
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let result = inArray ? transformInteriorAtom(value) : transformTopLevelAtom(value);
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if (result === CannotTransform) {
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throw new Parse.Error(Parse.Error.INVALID_JSON, `bad atom: ${atom}`);
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}
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return result;
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});
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break;
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|
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case '$all':
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var arr = constraint[key];
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if (!(arr instanceof Array)) {
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throw new Parse.Error(Parse.Error.INVALID_JSON,
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'bad ' + key + ' value');
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}
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answer[key] = arr.map(transformInteriorAtom);
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break;
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case '$regex':
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var s = constraint[key];
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if (typeof s !== 'string') {
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throw new Parse.Error(Parse.Error.INVALID_JSON, 'bad regex: ' + s);
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}
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answer[key] = s;
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break;
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case '$options':
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answer[key] = constraint[key];
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break;
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case '$nearSphere':
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var point = constraint[key];
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answer[key] = [point.longitude, point.latitude];
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break;
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case '$maxDistance':
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answer[key] = constraint[key];
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break;
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// The SDKs don't seem to use these but they are documented in the
|
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// REST API docs.
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case '$maxDistanceInRadians':
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answer['$maxDistance'] = constraint[key];
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break;
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case '$maxDistanceInMiles':
|
|
answer['$maxDistance'] = constraint[key] / 3959;
|
|
break;
|
|
case '$maxDistanceInKilometers':
|
|
answer['$maxDistance'] = constraint[key] / 6371;
|
|
break;
|
|
|
|
case '$select':
|
|
case '$dontSelect':
|
|
throw new Parse.Error(
|
|
Parse.Error.COMMAND_UNAVAILABLE,
|
|
'the ' + key + ' constraint is not supported yet');
|
|
|
|
case '$within':
|
|
var box = constraint[key]['$box'];
|
|
if (!box || box.length != 2) {
|
|
throw new Parse.Error(
|
|
Parse.Error.INVALID_JSON,
|
|
'malformatted $within arg');
|
|
}
|
|
answer[key] = {
|
|
'$box': [
|
|
[box[0].longitude, box[0].latitude],
|
|
[box[1].longitude, box[1].latitude]
|
|
]
|
|
};
|
|
break;
|
|
|
|
default:
|
|
if (key.match(/^\$+/)) {
|
|
throw new Parse.Error(
|
|
Parse.Error.INVALID_JSON,
|
|
'bad constraint: ' + key);
|
|
}
|
|
return CannotTransform;
|
|
}
|
|
}
|
|
return answer;
|
|
}
|
|
|
|
// Transforms an update operator from REST format to mongo format.
|
|
// To be transformed, the input should have an __op field.
|
|
// If flatten is true, this will flatten operators to their static
|
|
// data format. For example, an increment of 2 would simply become a
|
|
// 2.
|
|
// The output for a non-flattened operator is a hash with __op being
|
|
// the mongo op, and arg being the argument.
|
|
// The output for a flattened operator is just a value.
|
|
// Returns undefined if this should be a no-op.
|
|
|
|
function transformUpdateOperator({
|
|
__op,
|
|
amount,
|
|
objects,
|
|
}, flatten) {
|
|
switch(__op) {
|
|
case 'Delete':
|
|
if (flatten) {
|
|
return undefined;
|
|
} else {
|
|
return {__op: '$unset', arg: ''};
|
|
}
|
|
|
|
case 'Increment':
|
|
if (typeof amount !== 'number') {
|
|
throw new Parse.Error(Parse.Error.INVALID_JSON, 'incrementing must provide a number');
|
|
}
|
|
if (flatten) {
|
|
return amount;
|
|
} else {
|
|
return {__op: '$inc', arg: amount};
|
|
}
|
|
|
|
case 'Add':
|
|
case 'AddUnique':
|
|
if (!(objects instanceof Array)) {
|
|
throw new Parse.Error(Parse.Error.INVALID_JSON, 'objects to add must be an array');
|
|
}
|
|
var toAdd = objects.map(transformInteriorAtom);
|
|
if (flatten) {
|
|
return toAdd;
|
|
} else {
|
|
var mongoOp = {
|
|
Add: '$push',
|
|
AddUnique: '$addToSet'
|
|
}[__op];
|
|
return {__op: mongoOp, arg: {'$each': toAdd}};
|
|
}
|
|
|
|
case 'Remove':
|
|
if (!(objects instanceof Array)) {
|
|
throw new Parse.Error(Parse.Error.INVALID_JSON, 'objects to remove must be an array');
|
|
}
|
|
var toRemove = objects.map(transformInteriorAtom);
|
|
if (flatten) {
|
|
return [];
|
|
} else {
|
|
return {__op: '$pullAll', arg: toRemove};
|
|
}
|
|
|
|
default:
|
|
throw new Parse.Error(Parse.Error.COMMAND_UNAVAILABLE, `The ${__op} operator is not supported yet.`);
|
|
}
|
|
}
|
|
|
|
const nestedMongoObjectToNestedParseObject = mongoObject => {
|
|
switch(typeof mongoObject) {
|
|
case 'string':
|
|
case 'number':
|
|
case 'boolean':
|
|
return mongoObject;
|
|
case 'undefined':
|
|
case 'symbol':
|
|
case 'function':
|
|
throw 'bad value in mongoObjectToParseObject';
|
|
case 'object':
|
|
if (mongoObject === null) {
|
|
return null;
|
|
}
|
|
if (mongoObject instanceof Array) {
|
|
return mongoObject.map(nestedMongoObjectToNestedParseObject);
|
|
}
|
|
|
|
if (mongoObject instanceof Date) {
|
|
return Parse._encode(mongoObject);
|
|
}
|
|
|
|
if (mongoObject instanceof mongodb.Long) {
|
|
return mongoObject.toNumber();
|
|
}
|
|
|
|
if (mongoObject instanceof mongodb.Double) {
|
|
return mongoObject.value;
|
|
}
|
|
|
|
if (BytesCoder.isValidDatabaseObject(mongoObject)) {
|
|
return BytesCoder.databaseToJSON(mongoObject);
|
|
}
|
|
|
|
return _.mapValues(mongoObject, nestedMongoObjectToNestedParseObject);
|
|
default:
|
|
throw 'unknown js type';
|
|
}
|
|
}
|
|
|
|
// Converts from a mongo-format object to a REST-format object.
|
|
// Does not strip out anything based on a lack of authentication.
|
|
const mongoObjectToParseObject = (className, mongoObject, schema) => {
|
|
switch(typeof mongoObject) {
|
|
case 'string':
|
|
case 'number':
|
|
case 'boolean':
|
|
return mongoObject;
|
|
case 'undefined':
|
|
case 'symbol':
|
|
case 'function':
|
|
throw 'bad value in mongoObjectToParseObject';
|
|
case 'object':
|
|
if (mongoObject === null) {
|
|
return null;
|
|
}
|
|
if (mongoObject instanceof Array) {
|
|
return mongoObject.map(nestedMongoObjectToNestedParseObject);
|
|
}
|
|
|
|
if (mongoObject instanceof Date) {
|
|
return Parse._encode(mongoObject);
|
|
}
|
|
|
|
if (mongoObject instanceof mongodb.Long) {
|
|
return mongoObject.toNumber();
|
|
}
|
|
|
|
if (mongoObject instanceof mongodb.Double) {
|
|
return mongoObject.value;
|
|
}
|
|
|
|
if (BytesCoder.isValidDatabaseObject(mongoObject)) {
|
|
return BytesCoder.databaseToJSON(mongoObject);
|
|
}
|
|
|
|
let restObject = {};
|
|
if (mongoObject._rperm || mongoObject._wperm) {
|
|
restObject._rperm = mongoObject._rperm || [];
|
|
restObject._wperm = mongoObject._wperm || [];
|
|
delete mongoObject._rperm;
|
|
delete mongoObject._wperm;
|
|
}
|
|
|
|
for (var key in mongoObject) {
|
|
switch(key) {
|
|
case '_id':
|
|
restObject['objectId'] = '' + mongoObject[key];
|
|
break;
|
|
case '_hashed_password':
|
|
restObject._hashed_password = mongoObject[key];
|
|
break;
|
|
case '_acl':
|
|
case '_email_verify_token':
|
|
case '_perishable_token':
|
|
case '_tombstone':
|
|
case '_email_verify_token_expires_at':
|
|
break;
|
|
case '_session_token':
|
|
restObject['sessionToken'] = mongoObject[key];
|
|
break;
|
|
case 'updatedAt':
|
|
case '_updated_at':
|
|
restObject['updatedAt'] = Parse._encode(new Date(mongoObject[key])).iso;
|
|
break;
|
|
case 'createdAt':
|
|
case '_created_at':
|
|
restObject['createdAt'] = Parse._encode(new Date(mongoObject[key])).iso;
|
|
break;
|
|
case 'expiresAt':
|
|
case '_expiresAt':
|
|
restObject['expiresAt'] = Parse._encode(new Date(mongoObject[key]));
|
|
break;
|
|
default:
|
|
// Check other auth data keys
|
|
var authDataMatch = key.match(/^_auth_data_([a-zA-Z0-9_]+)$/);
|
|
if (authDataMatch) {
|
|
var provider = authDataMatch[1];
|
|
restObject['authData'] = restObject['authData'] || {};
|
|
restObject['authData'][provider] = mongoObject[key];
|
|
break;
|
|
}
|
|
|
|
if (key.indexOf('_p_') == 0) {
|
|
var newKey = key.substring(3);
|
|
if (!schema.fields[newKey]) {
|
|
log.info('transform.js', 'Found a pointer column not in the schema, dropping it.', className, newKey);
|
|
break;
|
|
}
|
|
if (schema.fields[newKey].type !== 'Pointer') {
|
|
log.info('transform.js', 'Found a pointer in a non-pointer column, dropping it.', className, key);
|
|
break;
|
|
}
|
|
if (mongoObject[key] === null) {
|
|
break;
|
|
}
|
|
var objData = mongoObject[key].split('$');
|
|
if (objData[0] !== schema.fields[newKey].targetClass) {
|
|
throw 'pointer to incorrect className';
|
|
}
|
|
restObject[newKey] = {
|
|
__type: 'Pointer',
|
|
className: objData[0],
|
|
objectId: objData[1]
|
|
};
|
|
break;
|
|
} else if (key[0] == '_' && key != '__type') {
|
|
throw ('bad key in untransform: ' + key);
|
|
} else {
|
|
var value = mongoObject[key];
|
|
if (schema.fields[key] && schema.fields[key].type === 'File' && FileCoder.isValidDatabaseObject(value)) {
|
|
restObject[key] = FileCoder.databaseToJSON(value);
|
|
break;
|
|
}
|
|
if (schema.fields[key] && schema.fields[key].type === 'GeoPoint' && GeoPointCoder.isValidDatabaseObject(value)) {
|
|
restObject[key] = GeoPointCoder.databaseToJSON(value);
|
|
break;
|
|
}
|
|
if (schema.fields[key] && schema.fields[key].type === 'Bytes' && BytesCoder.isValidDatabaseObject(value)) {
|
|
restObject[key] = BytesCoder.databaseToJSON(value);
|
|
break;
|
|
}
|
|
}
|
|
restObject[key] = nestedMongoObjectToNestedParseObject(mongoObject[key]);
|
|
}
|
|
}
|
|
|
|
const relationFieldNames = Object.keys(schema.fields).filter(fieldName => schema.fields[fieldName].type === 'Relation');
|
|
let relationFields = {};
|
|
relationFieldNames.forEach(relationFieldName => {
|
|
relationFields[relationFieldName] = {
|
|
__type: 'Relation',
|
|
className: schema.fields[relationFieldName].targetClass,
|
|
}
|
|
});
|
|
|
|
return { ...restObject, ...relationFields };
|
|
default:
|
|
throw 'unknown js type';
|
|
}
|
|
}
|
|
|
|
var DateCoder = {
|
|
JSONToDatabase(json) {
|
|
return new Date(json.iso);
|
|
},
|
|
|
|
isValidJSON(value) {
|
|
return (typeof value === 'object' &&
|
|
value !== null &&
|
|
value.__type === 'Date'
|
|
);
|
|
}
|
|
};
|
|
|
|
var BytesCoder = {
|
|
base64Pattern: new RegExp("^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=)?$"),
|
|
isBase64Value(object) {
|
|
if (typeof object !== 'string') {
|
|
return false;
|
|
}
|
|
return this.base64Pattern.test(object);
|
|
},
|
|
|
|
databaseToJSON(object) {
|
|
let value;
|
|
if (this.isBase64Value(object)) {
|
|
value = object;
|
|
} else {
|
|
value = object.buffer.toString('base64');
|
|
}
|
|
return {
|
|
__type: 'Bytes',
|
|
base64: value
|
|
};
|
|
},
|
|
|
|
isValidDatabaseObject(object) {
|
|
return (object instanceof mongodb.Binary) || this.isBase64Value(object);
|
|
},
|
|
|
|
JSONToDatabase(json) {
|
|
return new mongodb.Binary(new Buffer(json.base64, 'base64'));
|
|
},
|
|
|
|
isValidJSON(value) {
|
|
return (typeof value === 'object' &&
|
|
value !== null &&
|
|
value.__type === 'Bytes'
|
|
);
|
|
}
|
|
};
|
|
|
|
var GeoPointCoder = {
|
|
databaseToJSON(object) {
|
|
return {
|
|
__type: 'GeoPoint',
|
|
latitude: object[1],
|
|
longitude: object[0]
|
|
}
|
|
},
|
|
|
|
isValidDatabaseObject(object) {
|
|
return (object instanceof Array &&
|
|
object.length == 2
|
|
);
|
|
},
|
|
|
|
JSONToDatabase(json) {
|
|
return [ json.longitude, json.latitude ];
|
|
},
|
|
|
|
isValidJSON(value) {
|
|
return (typeof value === 'object' &&
|
|
value !== null &&
|
|
value.__type === 'GeoPoint'
|
|
);
|
|
}
|
|
};
|
|
|
|
var FileCoder = {
|
|
databaseToJSON(object) {
|
|
return {
|
|
__type: 'File',
|
|
name: object
|
|
}
|
|
},
|
|
|
|
isValidDatabaseObject(object) {
|
|
return (typeof object === 'string');
|
|
},
|
|
|
|
JSONToDatabase(json) {
|
|
return json.name;
|
|
},
|
|
|
|
isValidJSON(value) {
|
|
return (typeof value === 'object' &&
|
|
value !== null &&
|
|
value.__type === 'File'
|
|
);
|
|
}
|
|
};
|
|
|
|
module.exports = {
|
|
transformKey,
|
|
parseObjectToMongoObjectForCreate,
|
|
transformUpdate,
|
|
transformWhere,
|
|
mongoObjectToParseObject,
|
|
};
|