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Prototyper/server.js
2013-04-16 20:30:54 +02:00

251 lines
8.0 KiB
JavaScript

var sharejs = require('share');
var mongodata = require('./mongodata.js');
var responder = require('./responder.js');
var preview = require('./preview.js');
module.exports = function (server, config) {
// Attach the sharejs REST and Socket.io interfaces to the server
sharejs.server.attach(server, config.share);
var model = server.model;
var mongodataInstance = mongodata(config);
server.get('/data/:collection/:guid/:attribute.:ext(css|less|js|html)',
function getMongoAttribute(req, res, next) {
config.debug && console.log('/data/:collection/:guid/:attribute.:ext(less|js|html)');
var options = {
collection: req.params.collection,
attribute: req.params.attribute,
ext: req.params.ext,
query: {_id:req.params.guid}
};
mongodataInstance.getMongoAttribute(options,
responder(options, res, next)
);
}
);
server.get('/data/:collection/:guid.:ext(json)',
function getMongoContent(req, res, next) {
config.debug && console.log('/data/:collection/:guid.:ext(json)');
var options = {
collection: req.params.collection,
ext: req.params.ext,
query: {_id:req.params.guid}
};
mongodataInstance.getMongoContent(options,
responder(options, res, next)
);
}
);
server.get('/content/:collection/:name/:attribute.:ext(css|less|js|html)',
function getMongoAttribute(req, res, next) {
config.debug && console.log('/content/:collection/:name/:attribute.:ext(less|js|html)');
var options = {
collection: req.params.collection,
attribute: req.params.attribute,
ext: req.params.ext,
query: {name:req.params.name}
};
mongodataInstance.getMongoAttribute(options,
responder(options, res, next)
);
}
);
server.get('/content/:collection/:name.:ext(json)',
function getMongoContent(req, res, next) {
config.debug && console.log('/content/:collection/:name.:ext(json)');
var options = {
collection: req.params.collection,
ext: req.params.ext,
query: {name:req.params.name}
};
mongodataInstance.getMongoContent(options,
responder(options, res, next)
);
}
);
function handleMongoGetResult(options) {
function handleResult(err, result) {
if (err) {
config.errors && console.log('ERR1 handleMongoGetResult.handleResult Error retrieving document ', options.collection, JSON.stringify(options.query), options.attribute || "", err);
} else {
if (result) {
var operation = null;
config.debug && console.log('handleMongoGetResult options',options, result);
var data = result;
if (options.attribute) {
data = result[options.attribute];
}
var version = 0;
if (options.type == 'json') {
if (data instanceof String) {
data = JSON.parse(data);
}
operation = { op: [
{ p: [], oi: data, od: null }
], v: version };
} else if (options.type == 'text') {
operation = { op: [
{i: data, p: 0}
], v: version };
}
if (operation) {
model.applyOp(options.documentId, operation, function appliedOp(error, version) {
options.debug && console.log('getResult applyOp version', version);
if (error) {
options.error && console.log('ERR2 handleMongoGetResult', error);
}
});
}
}
}
}
return handleResult;
}
model.on('create', function populateDocument(documentId, data) {
console.log('Populating a doc in channel', documentId, data);
var splitId = documentId.split(':');
var options = {
documentId: documentId,
type: splitId[0],
collection: splitId[1],
attribute: null
};
if (splitId.length == 4) {
options.query= {_id:splitId[2]};
options.attribute = splitId[3];
mongodataInstance.getMongoAttribute(options, handleMongoGetResult(options));
} else {
options.query={name:splitId[2]};
mongodataInstance.getMongoContent(options, handleMongoGetResult(options));
}
});
function handleMongoSetResult(options, current, callback) {
function handleResult(err, result) {
if (err) {
config.errors && console.log('ERR1 handleMongoSetResult Error while saving document ', options.collection, JSON.stringify(options.query), options.attribute || "", err);
return callback && callback(err);
}
config.debug && console.log('current', current, 'result',result, 'options',options);
if ((!current || !current.name) && result.name) {
var operation = { op: [
{ p: ['name'], oi: result.name, od: null }
], v: options.operation.v };
model.applyOp(options.documentId, operation, function appliedOp(error, version) {
config.debug && console.log('setResult applyOp version', version);
if (error) {
config.error && console.log('ERR2 handleMongoSetResult',error);
return callback && callback(error);
}
return callback && callback(null,version);
});
}
}
return handleResult;
}
function handleMongoAttributeSetResult(options, current, callback) {
function handleResult(err, result) {
if (err) {
config.errors && console.log('ERR1 handleMongoAttributeSetResult Error while saving document ', options.collection, JSON.stringify(options.query), options.attribute || "", err);
return callback && callback(err);
}
options.debug && console.log('current', current, 'result',result);
if (result.hasOwnProperty('_id')) {
config.debug && console.log('// new object created. need to update the parent object.');
var pieces = options.documentId.split(':');
var parentDocId = pieces[0]+ ':' + pieces[1] + ':' + pieces[2];
var operation = { op: [
{ p: [options.attribute], oi: { guid: result._id } , od: null }
], v: options.operation.v };
model.applyOp(parentDocId, operation, function appliedOp(error, version) {
config.debug && console.log('setResult applyOp parent version', version);
if (error) {
config.error && console.log('ERR2 handleMongoAttributeSetResult',error);
return callback && callback(error);
}
return callback && callback(null,version);
})
}
}
return handleResult;
}
// 'applyOp' event is fired when an operational transform is applied to to a shareDoc
// a shareDoc has changed and needs to be saved to mongo
model.on('applyOp', function persistDocument(documentId, operation, current, previous) {
config.debug && console.log('applyOp',documentId,operation,current);
var splitId = documentId.split(':');
var options = {
documentId: documentId,
type: splitId[0],
collection: splitId[1],
attribute: null,
operation: operation
};
if (splitId.length == 4) {
options.query= {_id:splitId[2]};
options.attribute = splitId[3];
var data = current;
if (options.type == 'json') {
data = JSON.stringify(current);
}
mongodataInstance.setMongoAttribute(data, options, handleMongoAttributeSetResult(options, current, function (err, result) {
if(err) {
config.errors && console.log('ERR1 applyOp', err);
}
}));
} else {
options.query={name:splitId[2]};
mongodataInstance.setMongoContent(current, options, handleMongoSetResult(options, current, function (err, result) {
if(err) {
config.errors && console.log('ERR2 applyOp', err);
}
}));
}
});
var previewInstance = preview(config);
server.get('/page/:collection/:name.:ext(html)',
function getPreviewContent(req, res, next) {
config.debug && console.log('/page/:collection/:name.:ext(html)');
var options = {
collection: req.params.collection,
ext: req.params.ext,
query: {name:req.params.name},
debug: req.query && req.query.hasOwnProperty('debug')
};
mongodataInstance.getMongoContent(options, function (err, result) {
if (err) {
responder(options, res, next)(err, result);
}
if (result) {
var attribute_parts = options.query.name.split('.');
var attribute = attribute_parts[attribute_parts.length-1];
var content = result[attribute];
options.name=attribute_parts[0];
//options.attribute=attribute;
config.debug && console.log('getPreviewContent content',content);
previewInstance.getPreviewHTML(options, content,
responder(options, res, next)
);
}
});
}
);
};