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MongoTransform.js
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MongoTransform.js
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import log from '../../../logger';
import _ from 'lodash';
var mongodb = require('mongodb');
var Parse = require('parse/node').Parse;
const Utils = require('../../../Utils');
const transformKey = (className, fieldName, schema) => {
// Check if the schema is known since it's a built-in field.
switch (fieldName) {
case 'objectId':
return '_id';
case 'createdAt':
return '_created_at';
case 'updatedAt':
return '_updated_at';
case 'sessionToken':
return '_session_token';
case 'lastUsed':
return '_last_used';
case 'timesUsed':
return 'times_used';
}
if (schema.fields[fieldName] && schema.fields[fieldName].__type == 'Pointer') {
fieldName = '_p_' + fieldName;
} else if (schema.fields[fieldName] && schema.fields[fieldName].type == 'Pointer') {
fieldName = '_p_' + fieldName;
}
return fieldName;
};
const transformKeyValueForUpdate = (className, restKey, restValue, parseFormatSchema) => {
// Check if the schema is known since it's a built-in field.
var key = restKey;
var timeField = false;
switch (key) {
case 'objectId':
case '_id':
if (['_GlobalConfig', '_GraphQLConfig'].includes(className)) {
return {
key: key,
value: parseInt(restValue),
};
}
key = '_id';
break;
case 'createdAt':
case '_created_at':
key = '_created_at';
timeField = true;
break;
case 'updatedAt':
case '_updated_at':
key = '_updated_at';
timeField = true;
break;
case 'sessionToken':
case '_session_token':
key = '_session_token';
break;
case 'expiresAt':
case '_expiresAt':
key = 'expiresAt';
timeField = true;
break;
case '_email_verify_token_expires_at':
key = '_email_verify_token_expires_at';
timeField = true;
break;
case '_account_lockout_expires_at':
key = '_account_lockout_expires_at';
timeField = true;
break;
case '_failed_login_count':
key = '_failed_login_count';
break;
case '_perishable_token_expires_at':
key = '_perishable_token_expires_at';
timeField = true;
break;
case '_password_changed_at':
key = '_password_changed_at';
timeField = true;
break;
case '_rperm':
case '_wperm':
return { key: key, value: restValue };
case 'lastUsed':
case '_last_used':
key = '_last_used';
timeField = true;
break;
case 'timesUsed':
case 'times_used':
key = 'times_used';
timeField = true;
break;
}
if (
(parseFormatSchema.fields[key] && parseFormatSchema.fields[key].type === 'Pointer') ||
(!key.includes('.') &&
!parseFormatSchema.fields[key] &&
restValue &&
restValue.__type == 'Pointer') // Do not use the _p_ prefix for pointers inside nested documents
) {
key = '_p_' + key;
}
// Handle atomic values
var value = transformTopLevelAtom(restValue);
if (value !== CannotTransform) {
if (timeField && typeof value === 'string') {
value = new Date(value);
}
if (restKey.indexOf('.') > 0) {
return { key, value: restValue };
}
return { key, value };
}
// Handle arrays
if (restValue instanceof Array) {
value = restValue.map(transformInteriorValue);
return { key, value };
}
// Handle update operators
if (typeof restValue === 'object' && '__op' in restValue) {
return { key, value: transformUpdateOperator(restValue, false) };
}
// Handle normal objects by recursing
value = mapValues(restValue, transformInteriorValue);
return { key, value };
};
const isRegex = value => {
return value && value instanceof RegExp;
};
const isStartsWithRegex = value => {
if (!isRegex(value)) {
return false;
}
const matches = value.toString().match(/\/\^\\Q.*\\E\//);
return !!matches;
};
const isAllValuesRegexOrNone = values => {
if (!values || !Array.isArray(values) || values.length === 0) {
return true;
}
const firstValuesIsRegex = isStartsWithRegex(values[0]);
if (values.length === 1) {
return firstValuesIsRegex;
}
for (let i = 1, length = values.length; i < length; ++i) {
if (firstValuesIsRegex !== isStartsWithRegex(values[i])) {
return false;
}
}
return true;
};
const isAnyValueRegex = values => {
return values.some(function (value) {
return isRegex(value);
});
};
const transformInteriorValue = restValue => {
if (
restValue !== null &&
typeof restValue === 'object' &&
Object.keys(restValue).some(key => key.includes('$') || key.includes('.'))
) {
throw new Parse.Error(
Parse.Error.INVALID_NESTED_KEY,
"Nested keys should not contain the '$' or '.' characters"
);
}
// Handle atomic values
var value = transformInteriorAtom(restValue);
if (value !== CannotTransform) {
if (value && typeof value === 'object') {
if (value instanceof Date) {
return value;
}
if (value instanceof Array) {
value = value.map(transformInteriorValue);
} else {
value = mapValues(value, transformInteriorValue);
}
}
return value;
}
// Handle arrays
if (restValue instanceof Array) {
return restValue.map(transformInteriorValue);
}
// Handle update operators
if (typeof restValue === 'object' && '__op' in restValue) {
return transformUpdateOperator(restValue, true);
}
// Handle normal objects by recursing
return mapValues(restValue, transformInteriorValue);
};
const valueAsDate = value => {
if (typeof value === 'string') {
return new Date(value);
} else if (value instanceof Date) {
return value;
}
return false;
};
function transformQueryKeyValue(className, key, value, schema, count = false) {
switch (key) {
case 'createdAt':
if (valueAsDate(value)) {
return { key: '_created_at', value: valueAsDate(value) };
}
key = '_created_at';
break;
case 'updatedAt':
if (valueAsDate(value)) {
return { key: '_updated_at', value: valueAsDate(value) };
}
key = '_updated_at';
break;
case 'expiresAt':
if (valueAsDate(value)) {
return { key: 'expiresAt', value: valueAsDate(value) };
}
break;
case '_email_verify_token_expires_at':
if (valueAsDate(value)) {
return {
key: '_email_verify_token_expires_at',
value: valueAsDate(value),
};
}
break;
case 'objectId': {
if (['_GlobalConfig', '_GraphQLConfig'].includes(className)) {
value = parseInt(value);
}
return { key: '_id', value };
}
case '_account_lockout_expires_at':
if (valueAsDate(value)) {
return {
key: '_account_lockout_expires_at',
value: valueAsDate(value),
};
}
break;
case '_failed_login_count':
return { key, value };
case 'sessionToken':
return { key: '_session_token', value };
case '_perishable_token_expires_at':
if (valueAsDate(value)) {
return {
key: '_perishable_token_expires_at',
value: valueAsDate(value),
};
}
break;
case '_password_changed_at':
if (valueAsDate(value)) {
return { key: '_password_changed_at', value: valueAsDate(value) };
}
break;
case '_rperm':
case '_wperm':
case '_perishable_token':
case '_email_verify_token':
return { key, value };
case '$or':
case '$and':
case '$nor':
return {
key: key,
value: value.map(subQuery => transformWhere(className, subQuery, schema, count)),
};
case 'lastUsed':
if (valueAsDate(value)) {
return { key: '_last_used', value: valueAsDate(value) };
}
key = '_last_used';
break;
case 'timesUsed':
return { key: 'times_used', value: value };
default: {
// Other auth data
const authDataMatch = key.match(/^authData\.([a-zA-Z0-9_]+)\.id$/);
if (authDataMatch) {
const provider = authDataMatch[1];
// Special-case auth data.
return { key: `_auth_data_${provider}.id`, value };
}
}
}
const expectedTypeIsArray = schema && schema.fields[key] && schema.fields[key].type === 'Array';
const expectedTypeIsPointer =
schema && schema.fields[key] && schema.fields[key].type === 'Pointer';
const field = schema && schema.fields[key];
if (
expectedTypeIsPointer ||
(!schema && !key.includes('.') && value && value.__type === 'Pointer')
) {
key = '_p_' + key;
}
// Handle query constraints
const transformedConstraint = transformConstraint(value, field, count);
if (transformedConstraint !== CannotTransform) {
if (transformedConstraint.$text) {
return { key: '$text', value: transformedConstraint.$text };
}
if (transformedConstraint.$elemMatch) {
return { key: '$nor', value: [{ [key]: transformedConstraint }] };
}
return { key, value: transformedConstraint };
}
if (expectedTypeIsArray && !(value instanceof Array)) {
return { key, value: { $all: [transformInteriorAtom(value)] } };
}
// Handle atomic values
const transformRes = key.includes('.')
? transformInteriorAtom(value)
: transformTopLevelAtom(value);
if (transformRes !== CannotTransform) {
return { key, value: transformRes };
} else {
throw new Parse.Error(
Parse.Error.INVALID_JSON,
`You cannot use ${value} as a query parameter.`
);
}
}
// Main exposed method to help run queries.
// restWhere is the "where" clause in REST API form.
// Returns the mongo form of the query.
function transformWhere(className, restWhere, schema, count = false) {
const mongoWhere = {};
for (const restKey in restWhere) {
const out = transformQueryKeyValue(className, restKey, restWhere[restKey], schema, count);
mongoWhere[out.key] = out.value;
}
return mongoWhere;
}
const parseObjectKeyValueToMongoObjectKeyValue = (restKey, restValue, schema) => {
// Check if the schema is known since it's a built-in field.
let transformedValue;
let coercedToDate;
switch (restKey) {
case 'objectId':
return { key: '_id', value: restValue };
case 'expiresAt':
transformedValue = transformTopLevelAtom(restValue);
coercedToDate =
typeof transformedValue === 'string' ? new Date(transformedValue) : transformedValue;
return { key: 'expiresAt', value: coercedToDate };
case '_email_verify_token_expires_at':
transformedValue = transformTopLevelAtom(restValue);
coercedToDate =
typeof transformedValue === 'string' ? new Date(transformedValue) : transformedValue;
return { key: '_email_verify_token_expires_at', value: coercedToDate };
case '_account_lockout_expires_at':
transformedValue = transformTopLevelAtom(restValue);
coercedToDate =
typeof transformedValue === 'string' ? new Date(transformedValue) : transformedValue;
return { key: '_account_lockout_expires_at', value: coercedToDate };
case '_perishable_token_expires_at':
transformedValue = transformTopLevelAtom(restValue);
coercedToDate =
typeof transformedValue === 'string' ? new Date(transformedValue) : transformedValue;
return { key: '_perishable_token_expires_at', value: coercedToDate };
case '_password_changed_at':
transformedValue = transformTopLevelAtom(restValue);
coercedToDate =
typeof transformedValue === 'string' ? new Date(transformedValue) : transformedValue;
return { key: '_password_changed_at', value: coercedToDate };
case '_failed_login_count':
case '_rperm':
case '_wperm':
case '_email_verify_token':
case '_hashed_password':
case '_perishable_token':
return { key: restKey, value: restValue };
case 'sessionToken':
return { key: '_session_token', value: restValue };
default:
// Auth data should have been transformed already
if (restKey.match(/^authData\.([a-zA-Z0-9_]+)\.id$/)) {
throw new Parse.Error(Parse.Error.INVALID_KEY_NAME, 'can only query on ' + restKey);
}
// Trust that the auth data has been transformed and save it directly
if (restKey.match(/^_auth_data_[a-zA-Z0-9_]+$/)) {
return { key: restKey, value: restValue };
}
}
//skip straight to transformTopLevelAtom for Bytes, they don't show up in the schema for some reason
if (restValue && restValue.__type !== 'Bytes') {
//Note: We may not know the type of a field here, as the user could be saving (null) to a field
//That never existed before, meaning we can't infer the type.
if (
(schema.fields[restKey] && schema.fields[restKey].type == 'Pointer') ||
restValue.__type == 'Pointer'
) {
restKey = '_p_' + restKey;
}
}
// Handle atomic values
var value = transformTopLevelAtom(restValue);
if (value !== CannotTransform) {
return { key: restKey, value: value };
}
// ACLs are handled before this method is called
// If an ACL key still exists here, something is wrong.
if (restKey === 'ACL') {
throw 'There was a problem transforming an ACL.';
}
// Handle arrays
if (restValue instanceof Array) {
value = restValue.map(transformInteriorValue);
return { key: restKey, value: value };
}
// Handle normal objects by recursing
if (Object.keys(restValue).some(key => key.includes('$') || key.includes('.'))) {
throw new Parse.Error(
Parse.Error.INVALID_NESTED_KEY,
"Nested keys should not contain the '$' or '.' characters"
);
}
value = mapValues(restValue, transformInteriorValue);
return { key: restKey, value };
};
const parseObjectToMongoObjectForCreate = (className, restCreate, schema) => {
restCreate = addLegacyACL(restCreate);
const mongoCreate = {};
for (const restKey in restCreate) {
if (restCreate[restKey] && restCreate[restKey].__type === 'Relation') {
continue;
}
const { key, value } = parseObjectKeyValueToMongoObjectKeyValue(
restKey,
restCreate[restKey],
schema
);
if (value !== undefined) {
mongoCreate[key] = value;
}
}
// Use the legacy mongo format for createdAt and updatedAt
if (mongoCreate.createdAt) {
mongoCreate._created_at = new Date(mongoCreate.createdAt.iso || mongoCreate.createdAt);
delete mongoCreate.createdAt;
}
if (mongoCreate.updatedAt) {
mongoCreate._updated_at = new Date(mongoCreate.updatedAt.iso || mongoCreate.updatedAt);
delete mongoCreate.updatedAt;
}
return mongoCreate;
};
// Main exposed method to help update old objects.
const transformUpdate = (className, restUpdate, parseFormatSchema) => {
const mongoUpdate = {};
const acl = addLegacyACL(restUpdate);
if (acl._rperm || acl._wperm || acl._acl) {
mongoUpdate.$set = {};
if (acl._rperm) {
mongoUpdate.$set._rperm = acl._rperm;
}
if (acl._wperm) {
mongoUpdate.$set._wperm = acl._wperm;
}
if (acl._acl) {
mongoUpdate.$set._acl = acl._acl;
}
}
for (var restKey in restUpdate) {
if (restUpdate[restKey] && restUpdate[restKey].__type === 'Relation') {
continue;
}
var out = transformKeyValueForUpdate(
className,
restKey,
restUpdate[restKey],
parseFormatSchema
);
// If the output value is an object with any $ keys, it's an
// operator that needs to be lifted onto the top level update
// object.
if (typeof out.value === 'object' && out.value !== null && out.value.__op) {
mongoUpdate[out.value.__op] = mongoUpdate[out.value.__op] || {};
mongoUpdate[out.value.__op][out.key] = out.value.arg;
} else {
mongoUpdate['$set'] = mongoUpdate['$set'] || {};
mongoUpdate['$set'][out.key] = out.value;
}
}
return mongoUpdate;
};
// Add the legacy _acl format.
const addLegacyACL = restObject => {
const restObjectCopy = { ...restObject };
const _acl = {};
if (restObject._wperm) {
restObject._wperm.forEach(entry => {
_acl[entry] = { w: true };
});
restObjectCopy._acl = _acl;
}
if (restObject._rperm) {
restObject._rperm.forEach(entry => {
if (!(entry in _acl)) {
_acl[entry] = { r: true };
} else {
_acl[entry].r = true;
}
});
restObjectCopy._acl = _acl;
}
return restObjectCopy;
};
// A sentinel value that helper transformations return when they
// cannot perform a transformation
function CannotTransform() {}
const transformInteriorAtom = atom => {
// TODO: check validity harder for the __type-defined types
if (typeof atom === 'object' && atom && !(atom instanceof Date) && atom.__type === 'Pointer') {
return {
__type: 'Pointer',
className: atom.className,
objectId: atom.objectId,
};
} else if (typeof atom === 'function' || typeof atom === 'symbol') {
throw new Parse.Error(Parse.Error.INVALID_JSON, `cannot transform value: ${atom}`);
} else if (DateCoder.isValidJSON(atom)) {
return DateCoder.JSONToDatabase(atom);
} else if (BytesCoder.isValidJSON(atom)) {
return BytesCoder.JSONToDatabase(atom);
} else if (typeof atom === 'object' && atom && atom.$regex !== undefined) {
return new RegExp(atom.$regex);
} else {
return atom;
}
};
// Helper function to transform an atom from REST format to Mongo format.
// An atom is anything that can't contain other expressions. So it
// includes things where objects are used to represent other
// datatypes, like pointers and dates, but it does not include objects
// or arrays with generic stuff inside.
// Raises an error if this cannot possibly be valid REST format.
// Returns CannotTransform if it's just not an atom
function transformTopLevelAtom(atom, field) {
switch (typeof atom) {
case 'number':
case 'boolean':
case 'undefined':
return atom;
case 'string':
if (field && field.type === 'Pointer') {
return `${field.targetClass}$${atom}`;
}
return atom;
case 'symbol':
case 'function':
throw new Parse.Error(Parse.Error.INVALID_JSON, `cannot transform value: ${atom}`);
case 'object':
if (atom instanceof Date) {
// Technically dates are not rest format, but, it seems pretty
// clear what they should be transformed to, so let's just do it.
return atom;
}
if (atom === null) {
return atom;
}
// TODO: check validity harder for the __type-defined types
if (atom.__type == 'Pointer') {
return `${atom.className}$${atom.objectId}`;
}
if (DateCoder.isValidJSON(atom)) {
return DateCoder.JSONToDatabase(atom);
}
if (BytesCoder.isValidJSON(atom)) {
return BytesCoder.JSONToDatabase(atom);
}
if (GeoPointCoder.isValidJSON(atom)) {
return GeoPointCoder.JSONToDatabase(atom);
}
if (PolygonCoder.isValidJSON(atom)) {
return PolygonCoder.JSONToDatabase(atom);
}
if (FileCoder.isValidJSON(atom)) {
return FileCoder.JSONToDatabase(atom);
}
return CannotTransform;
default:
// I don't think typeof can ever let us get here
throw new Parse.Error(
Parse.Error.INTERNAL_SERVER_ERROR,
`really did not expect value: ${atom}`
);
}
}
// Transforms a query constraint from REST API format to Mongo format.
// A constraint is something with fields like $lt.
// If it is not a valid constraint but it could be a valid something
// else, return CannotTransform.
// inArray is whether this is an array field.
function transformConstraint(constraint, field, count = false) {
const inArray = field && field.type && field.type === 'Array';
if (typeof constraint !== 'object' || !constraint) {
return CannotTransform;
}
const transformFunction = inArray ? transformInteriorAtom : transformTopLevelAtom;
const transformer = atom => {
const result = transformFunction(atom, field);
if (result === CannotTransform) {
throw new Parse.Error(Parse.Error.INVALID_JSON, `bad atom: ${JSON.stringify(atom)}`);
}
return result;
};
// keys is the constraints in reverse alphabetical order.
// This is a hack so that:
// $regex is handled before $options
// $nearSphere is handled before $maxDistance
var keys = Object.keys(constraint).sort().reverse();
var answer = {};
for (var key of keys) {
switch (key) {
case '$lt':
case '$lte':
case '$gt':
case '$gte':
case '$exists':
case '$ne':
case '$eq': {
const val = constraint[key];
if (val && typeof val === 'object' && val.$relativeTime) {
if (field && field.type !== 'Date') {
throw new Parse.Error(
Parse.Error.INVALID_JSON,
'$relativeTime can only be used with Date field'
);
}
switch (key) {
case '$exists':
case '$ne':
case '$eq':
throw new Parse.Error(
Parse.Error.INVALID_JSON,
'$relativeTime can only be used with the $lt, $lte, $gt, and $gte operators'
);
}
const parserResult = Utils.relativeTimeToDate(val.$relativeTime);
if (parserResult.status === 'success') {
answer[key] = parserResult.result;
break;
}
log.info('Error while parsing relative date', parserResult);
throw new Parse.Error(
Parse.Error.INVALID_JSON,
`bad $relativeTime (${key}) value. ${parserResult.info}`
);
}
answer[key] = transformer(val);
break;
}
case '$in':
case '$nin': {
const arr = constraint[key];
if (!(arr instanceof Array)) {
throw new Parse.Error(Parse.Error.INVALID_JSON, 'bad ' + key + ' value');
}
answer[key] = _.flatMap(arr, value => {
return (atom => {
if (Array.isArray(atom)) {
return value.map(transformer);
} else {
return transformer(atom);
}
})(value);
});
break;
}
case '$all': {
const arr = constraint[key];
if (!(arr instanceof Array)) {
throw new Parse.Error(Parse.Error.INVALID_JSON, 'bad ' + key + ' value');
}
answer[key] = arr.map(transformInteriorAtom);
const values = answer[key];
if (isAnyValueRegex(values) && !isAllValuesRegexOrNone(values)) {
throw new Parse.Error(
Parse.Error.INVALID_JSON,
'All $all values must be of regex type or none: ' + values
);
}
break;
}
case '$regex':
var s = constraint[key];
if (typeof s !== 'string') {
throw new Parse.Error(Parse.Error.INVALID_JSON, 'bad regex: ' + s);
}
answer[key] = s;
break;
case '$containedBy': {
const arr = constraint[key];
if (!(arr instanceof Array)) {
throw new Parse.Error(Parse.Error.INVALID_JSON, `bad $containedBy: should be an array`);
}
answer.$elemMatch = {
$nin: arr.map(transformer),
};
break;
}
case '$options':
answer[key] = constraint[key];
break;
case '$text': {
const search = constraint[key].$search;
if (typeof search !== 'object') {
throw new Parse.Error(Parse.Error.INVALID_JSON, `bad $text: $search, should be object`);
}
if (!search.$term || typeof search.$term !== 'string') {
throw new Parse.Error(Parse.Error.INVALID_JSON, `bad $text: $term, should be string`);
} else {
answer[key] = {
$search: search.$term,
};
}
if (search.$language && typeof search.$language !== 'string') {
throw new Parse.Error(Parse.Error.INVALID_JSON, `bad $text: $language, should be string`);
} else if (search.$language) {
answer[key].$language = search.$language;
}
if (search.$caseSensitive && typeof search.$caseSensitive !== 'boolean') {
throw new Parse.Error(
Parse.Error.INVALID_JSON,
`bad $text: $caseSensitive, should be boolean`
);
} else if (search.$caseSensitive) {
answer[key].$caseSensitive = search.$caseSensitive;
}
if (search.$diacriticSensitive && typeof search.$diacriticSensitive !== 'boolean') {
throw new Parse.Error(
Parse.Error.INVALID_JSON,
`bad $text: $diacriticSensitive, should be boolean`
);
} else if (search.$diacriticSensitive) {
answer[key].$diacriticSensitive = search.$diacriticSensitive;
}
break;
}
case '$nearSphere': {
const point = constraint[key];
if (count) {
answer.$geoWithin = {
$centerSphere: [[point.longitude, point.latitude], constraint.$maxDistance],
};
} else {
answer[key] = [point.longitude, point.latitude];
}
break;
}
case '$maxDistance': {
if (count) {
break;
}
answer[key] = constraint[key];
break;
}
// The SDKs don't seem to use these but they are documented in the
// REST API docs.
case '$maxDistanceInRadians':
answer['$maxDistance'] = constraint[key];
break;
case '$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] = {
$box: [
[box[0].longitude, box[0].latitude],
[box[1].longitude, box[1].latitude],
],
};
break;
case '$geoWithin': {
const polygon = constraint[key]['$polygon'];
const centerSphere = constraint[key]['$centerSphere'];
if (polygon !== undefined) {
let points;
if (typeof polygon === 'object' && polygon.__type === 'Polygon') {
if (!polygon.coordinates || polygon.coordinates.length < 3) {
throw new Parse.Error(
Parse.Error.INVALID_JSON,
'bad $geoWithin value; Polygon.coordinates should contain at least 3 lon/lat pairs'
);
}
points = polygon.coordinates;
} else if (polygon instanceof Array) {
if (polygon.length < 3) {
throw new Parse.Error(
Parse.Error.INVALID_JSON,
'bad $geoWithin value; $polygon should contain at least 3 GeoPoints'
);
}
points = polygon;
} else {
throw new Parse.Error(
Parse.Error.INVALID_JSON,
"bad $geoWithin value; $polygon should be Polygon object or Array of Parse.GeoPoint's"
);
}
points = points.map(point => {
if (point instanceof Array && point.length === 2) {
Parse.GeoPoint._validate(point[1], point[0]);
return point;
}
if (!GeoPointCoder.isValidJSON(point)) {
throw new Parse.Error(Parse.Error.INVALID_JSON, 'bad $geoWithin value');
} else {
Parse.GeoPoint._validate(point.latitude, point.longitude);
}
return [point.longitude, point.latitude];
});
answer[key] = {
$polygon: points,
};
} else if (centerSphere !== undefined) {
if (!(centerSphere instanceof Array) || centerSphere.length < 2) {
throw new Parse.Error(
Parse.Error.INVALID_JSON,
'bad $geoWithin value; $centerSphere should be an array of Parse.GeoPoint and distance'
);
}
// Get point, convert to geo point if necessary and validate
let point = centerSphere[0];
if (point instanceof Array && point.length === 2) {
point = new Parse.GeoPoint(point[1], point[0]);
} else if (!GeoPointCoder.isValidJSON(point)) {
throw new Parse.Error(
Parse.Error.INVALID_JSON,
'bad $geoWithin value; $centerSphere geo point invalid'
);
}
Parse.GeoPoint._validate(point.latitude, point.longitude);
// Get distance and validate
const distance = centerSphere[1];
if (isNaN(distance) || distance < 0) {
throw new Parse.Error(
Parse.Error.INVALID_JSON,
'bad $geoWithin value; $centerSphere distance invalid'
);
}
answer[key] = {
$centerSphere: [[point.longitude, point.latitude], distance],
};
}
break;
}
case '$geoIntersects': {
const point = constraint[key]['$point'];
if (!GeoPointCoder.isValidJSON(point)) {
throw new Parse.Error(
Parse.Error.INVALID_JSON,
'bad $geoIntersect value; $point should be GeoPoint'
);
} else {
Parse.GeoPoint._validate(point.latitude, point.longitude);
}
answer[key] = {
$geometry: {
type: 'Point',
coordinates: [point.longitude, point.latitude],
},
};
break;
}
default:
if (key.match(/^\$+/)) {
throw new Parse.Error(Parse.Error.INVALID_JSON, 'bad constraint: ' + key);
}
return CannotTransform;
}
}
return answer;
}
// Transforms an update operator from REST format to mongo format.
// To be transformed, the input should have an __op field.
// If flatten is true, this will flatten operators to their static
// data format. For example, an increment of 2 would simply become a
// 2.
// The output for a non-flattened operator is a hash with __op being
// the mongo op, and arg being the argument.
// The output for a flattened operator is just a value.
// Returns undefined if this should be a no-op.
function transformUpdateOperator({ __op, amount, objects }, flatten) {
switch (__op) {
case 'Delete':
if (flatten) {
return undefined;
} else {
return { __op: '$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',