Files
kami-parse-server/schemas.js
2016-02-05 19:28:25 -08:00

90 lines
2.3 KiB
JavaScript

// schemas.js
var express = require('express'),
PromiseRouter = require('./PromiseRouter');
var router = new PromiseRouter();
function mongoFieldTypeToSchemaAPIType(type) {
if (type[0] === '*') {
return {
type: 'Pointer',
targetClass: type.slice(1),
};
}
if (type.startsWith('relation<')) {
return {
type: 'Relation',
targetClass: type.slice('relation<'.length, type.length - 1),
};
}
switch (type) {
case 'number': return {type: 'Number'};
case 'string': return {type: 'String'};
case 'boolean': return {type: 'Boolean'};
case 'date': return {type: 'Date'};
case 'object': return {type: 'Object'};
case 'array': return {type: 'Array'};
case 'geopoint': return {type: 'GeoPoint'};
case 'file': return {type: 'File'};
}
}
function mongoSchemaAPIResponseFields(schema) {
fieldNames = Object.keys(schema).filter(key => key !== '_id');
response = {};
fieldNames.forEach(fieldName => {
response[fieldName] = mongoFieldTypeToSchemaAPIType(schema[fieldName]);
});
response.ACL = {type: 'ACL'};
response.createdAt = {type: 'Date'};
response.updatedAt = {type: 'Date'};
response.objectId = {type: 'String'};
return response;
}
function mongoSchemaToSchemaAPIResponse(schema) {
return {
className: schema._id,
fields: mongoSchemaAPIResponseFields(schema),
};
}
function getAllSchemas(req) {
if (!req.auth.isMaster) {
return Promise.resolve({
status: 401,
response: {error: 'unauthorized'},
});
}
return req.config.database.collection('_SCHEMA')
.then(coll => coll.find({}).toArray())
.then(schemas => ({response: {
results: schemas.map(mongoSchemaToSchemaAPIResponse)
}}));
}
function getOneSchema(req) {
if (!req.auth.isMaster) {
return Promise.resolve({
status: 401,
response: {error: 'unauthorized'},
});
}
return req.config.database.collection('_SCHEMA')
.then(coll => coll.findOne({'_id': req.params.className}))
.then(schema => ({response: mongoSchemaToSchemaAPIResponse(schema)}))
.catch(() => ({
status: 400,
response: {
code: 103,
error: 'class ' + req.params.className + ' does not exist',
}
}));
}
router.route('GET', '/schemas', getAllSchemas);
router.route('GET', '/schemas/:className', getOneSchema);
module.exports = router;