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helpers.js
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/**
A bunch of useful functions
*/
const { isFunction } = require('lodash')
var fs = require('fs'),
path = require('path'),
async = require('async'),
crypto = require('crypto'),
settings = require('./settings'),
services = require('./services'),
parser = require('./parser'),
request = require('request'),
_ = require('lodash'),
moment = require('moment'),
xml = require('xml2js'),
IS_EMPTY = 'is_empty',
LIMIT_REACHED = 'LIMIT_REACHED', // when limit of request for free /pauid webservices has been reached.
IS_IOERROR = 'IOError',
IS_WRONG_TYPE = 'is_wrong_type',
neo4j = require('seraph')(settings.neo4j.host);
const { slugify, generateUuid } = require('./lib/util/text')
const { reconcileDate, getMonths } = require('./lib/util/date')
module.exports = {
IS_EMPTY: IS_EMPTY,
IS_IOERROR: IS_IOERROR,
IS_LIMIT_REACHED: LIMIT_REACHED,
IS_WRONG_TYPE: IS_WRONG_TYPE,
/*
Handlers for express response (cfr. models/)
@param err
@param res - express response
@param items - array of items to return
@param params - the validated params describing the result
*/
models:{
getOne: function (err, res, item, info) {
if(err == IS_EMPTY)
return res.error(404);
if(err)
return module.exports.cypherQueryError(err, res);
return res.ok({
item: item
}, info || {});
},
getMany: function (err, res, items, info, params) {
if(err && err != IS_EMPTY)
return module.exports.cypherQueryError(err, res);
res.ok({
items: items
}, _.assign(info || {}, params || {}));
}
},
/**
Given a query and its cypher params, do wonderful stuff.
The query MUST resturn a list of (source,target,weight) triads.
@param query - cypher query
@param params - cypher query params
@return (err, graph) - error, or a graph of nodes and edges
*/
cypherGraph: (cypherQuery, params, callback) => new Promise((res, rej) => {
const done = (err, result) => {
if (err) {
if (isFunction(callback)) callback(err)
return rej(err)
}
if (isFunction(callback)) callback(undefined, result)
return res(result)
}
const query = parser.agentBrown(cypherQuery, params)
neo4j.query(query, params, (err, items) => {
if (err) return done(err)
const graph = {
nodes: [],
edges: []
}
const index = {}
const edgeIndex = {}
/*
Create the graph object of nodes and edges.
calculate the degree as well
*/
for (let i = 0; i < items.length; i += 1) {
if (!index[items[i].source.id]) {
index[items[i].source.id] = items[i].source // items[i].source;
// add the weight as a measure of the node importance among the others
index[items[i].source.id].importance = items[i].weight
index[items[i].source.id].degree = 1
} else {
// rescale the importance if the weight is higher
index[items[i].source.id].importance = Math.max(
items[i].weight,
index[items[i].source.id].importance
)
index[items[i].source.id].degree += 1
}
if (!index[items[i].target.id]) {
index[items[i].target.id] = items[i].target
index[items[i].target.id].importance = items[i].weight
index[items[i].target.id].degree = 1
} else {
// rescale the importance if the weight is higher
index[items[i].target.id].importance = Math.max(
items[i].weight,
index[items[i].target.id].importance
)
index[items[i].target.id].degree += 1
}
const edgeId = _.sortBy([items[i].target.id, items[i].source.id]).join('.')
if (!edgeIndex[edgeId]) {
// in some case we have useless symmetric links. @todo cypher query to be improved
edgeIndex[edgeId] = 1;
graph.edges.push({
id: edgeId,
source: items[i].source.id,
target: items[i].target.id,
weight: items[i].weight
})
}
}
graph.nodes = _.values(index);
return done(undefined, graph)
})
}),
/**
Given a query, extract one useful timeline.
The query MUST return a list of (timestamp,weight) couples.
@param query - cypher query
@param params - cypher and agentBrown query params
@return (err, graph) - error, or a graph of nodes and edges
*/
cypherTimeline: function(query, params, next) {
var query = parser.agentBrown(query, params);
neo4j.query(query, params, function (err, items) {
if(err) {
next(err);
return;
}
next(null, items);
})
},
/**
Handle causes and stacktraces provided by seraph Query and rawQuery.
@err the err OBJECT provided by cypher
@res the express response object
*/
cypherQueryError: function(err, res) {
switch(err.neo4jException) {
case 'EntityNotFoundException':
res.error(404, {
message: err.neo4jCause.message,
exception: err.neo4jException
});
break;
case 'ParameterNotFoundException':
res.error(404, {
message: err.neo4jError.message,
exception: err.neo4jException
});
break;
default:
if (err.statusCode) {
res.error(err.statusCode, err.neo4jError.message.message);
} else if(err == IS_EMPTY) {
res.empty(); // no content
} else {
res.error(400, err);
}
};
},
/**
Handle Form errors (Bad request)
*/
formError: function(err, res) {
return res.error(400, {
form: err
});
},
/**
encrypt a password ccording to local settings secret and a random salt.
*/
encrypt: function(password, options) {
var configs = _.assign({
secret: '',
salt: crypto.randomBytes(16).toString('hex'),
iterations: 4096,
length: 256,
digest: 'sha256'
}, options || {});
//console.log(configs)
return {
salt: configs.salt,
key: crypto.pbkdf2Sync(
configs.secret,
configs.salt + '::' + password,
configs.iterations,
configs.length,
configs.digest
).toString('hex')
};
},
comparePassword: function(password, encrypted, options) {
return this.encrypt(password, options).key == encrypted;
},
/**
Call dbpedia service and translate its xml to a more human json content.
@to be tested, ideed
*/
dbpedia: function(fullname, next) {
request.get('http://lookup.dbpedia.org/api/search.asmx/PrefixSearch?QueryClass=person&MaxHits=5&QueryString='
+ encodeURIComponent(fullname),
function (err, res, body) {
if(err) {
next(err);
return;
}
xml.parseString(body, function(err, result) {
if(err) {
next(err); // this should never happen /D
return;
}
if(!result || !result.ArrayOfResult || !result.ArrayOfResult.Result) {
next(IS_EMPTY);
return;
}
next(null, result.ArrayOfResult.Result);
});
}
);
},
/*
Transform a wiki object to a valid entity:person data
*/
dbpediaPerson: function(link, next) {
services.dbpedia({
link: link
}, function(err, wiki){
if(err) {
next(err);
return;
};
if(_.size(wiki) == 0) {
next(IS_EMPTY);
return;
};
var languages = [],
props = {
thumbnail: 'http://dbpedia.org/ontology/thumbnail',
birth_date: 'http://dbpedia.org/property/dateOfBirth',
death_date: 'http://dbpedia.org/property/dateOfDeath',
birth_place: 'http://dbpedia.org/property/placeOfBirth',
death_place: 'http://dbpedia.org/property/placeOfDeath',
description: 'http://dbpedia.org/property/shortDescription',
abstracts: 'http://dbpedia.org/ontology/abstract',
first_name: 'http://xmlns.com/foaf/0.1/givenName',
last_name: 'http://xmlns.com/foaf/0.1/surname',
links_viaf: 'http://dbpedia.org/property/viaf',
sameas: 'http://www.w3.org/2002/07/owl#sameAs'
};
// get the ontology type: if it is a person, should have one of them. otherwise throw an error (WRONG TYPE)
var lazywiki = JSON.stringify(wiki);
var isPerson = lazywiki.indexOf("http://xmlns.com/foaf/0.1/Person") != -1 || lazywiki.indexOf("http://schema.org/Person") != -1
;
var isPlace = lazywiki.indexOf("http://schema.org/Place") != -1;
if(!isPerson && (isPlace)) {
next(IS_WRONG_TYPE)
return;
}
// find fields and complete the properties dict
_.forIn(props, function (v, k, o) {
o[k] = _.flattenDeep(_.compact(_.map(wiki, v)))
if(k != 'abstracts' && k != 'sameas')
o[k] =_.first(o[k]);
});
// find abstracts for specific languages
_.filter(props.abstracts, function(d) {
if(d.lang && settings.languages.indexOf(d.lang) !== -1) {
props['abstract_' + d.lang] = d;
languages.push(d.lang);
}
})
// find wikidata id if any provided in the sameas
_.each(_.map(props.sameas, 'value'), function(d) {
var m = d.match(/\/wikidata.org\/entity\/(Q.*)$/);
if(m)
props.links_wikidata = {value: m[1]};//console.log('e',d, m[1])
});
// delete the big useless abstracts
delete props.abstracts;
delete props.sameas;
// extract the juice and clean undefined
_.forIn(props, function (v, k, o) {
if(o[k] === undefined) {
delete o[k];
} else if(o[k].datatype == 'http://www.w3.org/2001/XMLSchema#date') {
var _k = k.split('_').shift(),
_date = module.exports.reconcileDate(v.value, 'YYYY-MM-DD'); // new k
delete o[k];
for(var i in _date){
o[_k + '_' + i] = _date[i]
}
} else {
o[k] = v.value;
}
});
//console.log(props)
// abstract languages
props.languages = _.uniq(languages);
next(null, props);
});
},
/*
Transform a wiki object to a valid entity:person data
*/
lookupPerson: function(query, next) {
services.lookup({
query: query,
class: 'person'
}, function (err, wiki) {
if(err) {
next(err);
return;
};
if(!wiki.results.length) {
next(IS_EMPTY);
return;
};
var results = [];
for(var i=0; i < wiki.results.length; i++) {
var props = {};
if(wiki.results[i].label)
props.name = wiki.results[i].label;
if(wiki.results[i].description)
props.description = wiki.results[i].description
if(wiki.results[i].uri)
props.links_wiki = wiki.results[i].uri.split('/').pop();
results.push(props)
}
next(null, results);
});
},
/*
Transform a viaf object to valid entity:person data
*/
viafPerson: function(link, next) {
services.viaf({
link: link
}, function (err, content) {
if(err) {
next(err);
return;
};
xml.parseString(content, {explicitArray: true}, function (err, res) {
if(err) {
next(err);
return;
};
// get birthdate / deathdate and nationalities..
next(null, {})
})
})
},
/*
Instagram Wrapper for socialtags extractor
*/
instagram: function(options, next) {
module.exports.socialtags(_.assign({
prefix: 'instagram'
}, options), next);
},
/*
Instagram Wrapper for socialtags extractor
*/
tweet: function(options, next) {
module.exports.socialtags(_.assign({
prefix: 'twitter'
}, options), next);
},
/**
Call a custom service for twitter /inbstagram/facebook user/hashtag, served as themes entities..
If there are no entities, res will contain an empty array but no error will be thrown.
Test with mocha:
mocha -g 'helpers: socialtags'
@param options - MUST contain options.text
@return err, res
*/
socialtags: function(options, next) {
var hashtags = /(^|\s)(#[A-Za-z0-9-_]+)/g,
users = /(^|\s)(@[A-Za-z0-9-_]+)/g,
entities = [],
ent = {};
while (match = hashtags.exec(options.text)) {
entities.push({
name: match[2].toLowerCase(),
type: 'theme:hashtag',
context: {
left: match[1].length + match.index,
right: match[1].length + match.index + match[2].length,
matched_text: match[2]
}
})
}
while (match = users.exec(options.text)) {
ent = {
name: (options.prefix || '') + match[2],
type: 'person',
context: {
left: match[1].length + match.index,
right: match[1].length + match.index + match[2].length,
matched_text: match[2]
}
};
ent['links_' + options.profile] = match[2];
entities.push(ent);
}
// console.log(entities)
if(!next)
return entities;
next(null, entities);
},
/**
Call textrazor service for people/place reconciliation.
When daily limit has been reached, the IS_EMPTY error message will be given to next()
If there are no entities, res will contain an empty array but no error will be thrown.
@return err, res
*/
textrazor: function (options, next) {
services.textrazor(_.assign({
cleanup_use_metadata: true
}, options), function (err, entities) {
if(err)
return next(err);
var entitiesPrefixesToKeep = {
PopulatedPlace: 'location',
WorldHeritageSite: 'location',
Person: 'person',
Organisation: 'organization',
};
// clean entities
entities = entities.map(function (d) {
var _d = {
name: d.entityEnglishId || d.entityId,
links_wiki: module.exports.text.wikify(d.wikiLink),
service: 'textrazor'
};
_d.context = {
left: d.startingPos,
right: d.endingPos,
matched_text: d.matchedText
};
if(d.type && d.type.length){
_d.__type = _.uniq(d.type);
_d.type = _.uniq(_.compact(d.type.map(function (type) {
return entitiesPrefixesToKeep[type]
})));
}
else
_d.type = [];
return _d;
});
next(null, entities)
});
},
/**
A listo fo useful text filters
*/
text: {
/*
Return the current language for the text provided, if available
*/
language: function(text, defaultLanguage) {
var Langdetect = require('languagedetect'),
langdetect = new Langdetect('iso2'),
languages = langdetect.detect(text);
return languages.length? _.first(_.first(languages)) : (defaultLanguage || 'en');
},
translit: function (text) {
var from = 'àáäâèéëêìíïîòóöôùúüûñç',
to = 'aaaaeeeeiiiioooouuuunc';
for (var i=0, l=from.length ; i<l ; i++) {
text = text.replace(new RegExp(from.charAt(i), 'g'), to.charAt(i));
}
return text;
},
slugify,
/*
Transform spaces in undescore a url in a wiki url
accordiong to http://en.wikipedia.org/wiki/Wikipedia:Page_name#Spaces.2C_underscores_and_character_coding
convention. This is usefule when dealing with different stuff.
*/
wikify: function (url) {
return path.basename(url).replace(/%20/g, '_');
},
/*
Transform a string of possible IDS in a list of valid,
NUMERIC identifiers
*/
toIds: function (ids) {
return ids.split(',').filter(function (d) {
return !!d.match(/[\da-z\-]+/)
});
},
/*
Excerpt
*/
excerpt: function(text, cutAt) {
if(isNaN(cutAt))
cutAt = 64;
//trim the string to the maximum length
var t = text.substr(0, cutAt);
//re-trim if we are in the middle of a word
if(text.length > cutAt)
t = t.substr(0, Math.min(t.length, t.lastIndexOf(' '))) + ' ...';
return t;
}
},
/**
A bunch of useful geolocalisation helpers
*/
geo: {
/*
Computate the haversine distance between two points in the geosphere
*/
distance: function(A, B) {
function toRadians(n) {
return n * Math.PI / 180;
};
var R = 6371000, // metres
φ1 = toRadians(A.lat),
φ2 = toRadians(B.lat),
Δφ = toRadians(B.lat-A.lat),
Δλ = toRadians(B.lng-A.lng),
a, c;
a = Math.sin(Δφ/2) * Math.sin(Δφ/2) +
Math.cos(φ1) * Math.cos(φ2) *
Math.sin(Δλ/2) * Math.sin(Δλ/2);
c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1-a));
return Math.round(R * c);
}
},
/**
Call yagoaida neo4j helper for people/place reconciliation.
If there are no entities, res will contain an empty array but no error will be thrown.
@return err, res
*/
yagoaida: function (options, next) {
services.yagoaida({
text: options.text
}, function (err, candidates) {
if(err) {
console.log('yagoaida', err)
next(err);
return;
}
var entities = [],
entitiesPrefixesToKeep = {
YAGO_wordnet_district: 'location',
YAGO_wordnet_administrative_district: 'location',
YAGO_wordnet_person: 'person',
YAGO_wordnet_social_group: 'social_group',
YAGO_wordnet_institution: 'institution',
YAGO_wordnet_organization: 'organization',
};
// adding context dict and oversimplify type
candidates = candidates.map(function (d) {
var _d = {
name: d.readableRepr,
links_wiki: module.exports.text.wikify(d.wikiLink),
service: 'yagoaida'
};
_d.context = {
left: d.startingPos,
right: d.endingPos,
matched_text: d.matchedText
};
_d.type = _.uniq(_.compact(d.type.map(function (type) {
var abstractType = _.dropRight(type.split('_')).join('_');
return entitiesPrefixesToKeep[abstractType]
})));
return _d;
});
next(null, candidates);
})
},
/**
Create a Viaf entity:person node for you
*/
viaf: function(fullname, next) {
var viafURL = 'http://www.viaf.org/viaf/AutoSuggest?query='
+ encodeURIComponent(fullname);
request.get({
url: viafURL,
json:true
}, function (err, res, body) {
if(err) {
next(err);
return;
}
//console.log(body);
next(IS_EMPTY);
// neo4j.query(reconcile.merge_geonames_entity, _.assign({
// q: geonamesURL,
// countryId: '',
// countryCode: ''
// }, body.geonames[0]),
// function(err, nodes) {
// if(err) {
// next(err);
// return;
// }
// next(null, nodes);
// }
// );
});
},
/**
Create a Geocoded entity:location Neo4j node for you. The Neo4J MERGE result will be
returned as arg for the next function next(null, result)
Call the geocode api according to your current settings: make sure you use the proper
settings.geocoding.key
Handle err response; it creates nodes frm the very first address found.
@next your callback with(err, res)
*/
geonames: function(options, next) {
var params = {
address: options.text
};
if(options.language)
params.lang = options.language
module.exports.cache.read({
namespace: 'services',
ref: 'geonames:' + options.text
}, function (err, contents) {
if(contents) {console.log('using saved data')
next(null, contents);
return;
}
services.geonames(params, function (err, results) {
if(err == IS_EMPTY)
next(null, [])
else {
console.log(results)
var results = results.map(function (location) {
// add prefixes...
return {
lat: location.lat,
lng: location.lng,
fcl: location.fcl,
country: location._country,
geoname_fcl: location.fcl,
geoname_lat: +location.lat,
geoname_lng: +location.lng,
geoname_id: location._id,
geoname_q: location._query,
geoname_name: location._name,
geoname_country: location._country,
__name: location._name
};
});
module.exports.cache.write(JSON.stringify(results), {
namespace: 'services',
ref: 'geonames:' + options.text
}, function(err) {
next(null, results);
});
}
});
})
},
geocoding: function(options, next) {
var params = {
address: options.text
};
// if(options.language)
// params.language = options.language
module.exports.cache.read({
namespace: 'services',
ref: 'geocoding:' + options.text
}, function (err, contents) {
if(contents) {
next(null, contents);
return;
}
services.geocoding(params, function (err, results) {
if(err == IS_EMPTY)
next(null, [])
else if(err)
next(err)
else {
var results = results.filter(function(location) {
return location._fcl;
}).map(function (location) {
return {
fcl: location._fcl,
lat: +location.geometry.location.lat,
lng: +location.geometry.location.lng,
country: location._country,
geocoding_fcl: location._fcl,
geocoding_lat: +location.geometry.location.lat,
geocoding_lng: +location.geometry.location.lng,
geocoding_id: location._id,
geocoding_q: location._query,
geocoding_name: location._name,
geocoding_country: location._country,
__name: location._name,
};
});
module.exports.cache.write(JSON.stringify(results), {
namespace: 'services',
ref: 'geocoding:' + options.text
}, function(err) {
next(null, results);
});
}
});
});
},
reverse_geocoding: function(options, next) {
var params = {
latlng: options.latlng
};
// if(options.language)
// params.language = options.language
module.exports.cache.read({
namespace: 'services',
ref: 'reverse_geocoding:n' + options.latlng
}, function (err, contents) {
if(contents) {
next(null, contents);
return;
}
services.reverse_geocoding(params, function (err, results) {
if(err == IS_EMPTY)
next(null, [])
else if(err)
next(err)
else {
var results = results.map(function (location) {
return {
fcl: location._fcl,
lat: +location.geometry.location.lat,
lng: +location.geometry.location.lng,
country: location._country,
geocoding_fcl: location._fcl,
geocoding_lat: +location.geometry.location.lat,
geocoding_lng: +location.geometry.location.lng,
geocoding_id: location._id,
geocoding_q: location._query,
geocoding_name: location._name,
geocoding_country: location._country,
name: location._name,
};
});
module.exports.cache.write(JSON.stringify(results), {
namespace: 'services',
ref: 'reverse_geocoding:n' + options.latlng
}, function(err) {
next(null, results);
});
}
});
});
},
/**
DEPRECATED
Create a relationship @relationship from two nodes resource and entity.
The Neo4J MERGE result will be returned as arg for the next function next(null, result)
@resource - Neo4J node:resource as js object
@entity - Neo4J node:entity as js object
@next - your callback with(err, res)
*/
// enrichResource: function(resource, entity, next) {
// neo4j.query(reconcile.merge_relationship_entity_resource, {
// entity_id: entity.id,
// resource_id: resource.id
// }, function (err, relationships) {
// if(err) {
// next(err)
// return
// }
// next(null, relationships);
// });
// },
/*
Return this moment ISO timestamp and this moment EPOCH ms timestamp
*/
now: function() {
var now = moment.utc(),
result = {};
result.date = now.format();
result.time = +now.format('X');
return result;
},
uuid: generateUuid,
/*
Return fromNow for a specific datetime in X format
*/
fromNow: function(seconds) {
return moment.utc(seconds*1000).fromNow()
},
reconcileDate,
getMonths,
/*
options.start_date and options.start_time according to options.format.
Cfr moment documentation.
If options.strict is not present, the start date and the end_date will be rounded to the
first available second and the last second respectively
*/
reconcileIntervals: function(options, next) {
var start = moment.utc(options.start_date, options.format, options.strict),
end = options.end_date? moment.utc(options.end_date, options.format, options.strict): start.clone();
if(!options.strict) {
start.startOf('day');
if(!options.end_date) {
end = start.clone();
end.add(24, 'hours').subtract(1, 'minutes');
} else {
end.endOf('day');
}
//}
}
result = {
start_date: start.format(), // ISO format
start_time: +start.format('X'),
end_date: end.format(),
end_time: +end.format('X'),
};
// calculate month
result.start_month = moment.utc(result.start_time, 'X').format('YYYYMM');
result.end_month = moment.utc(result.end_time, 'X').format('YYYYMM');
if(next)
next(null, result);
else
return result;
},
/**
Dummy Time transformation with moment.
*/
reconcileHumanDate: function(humanDate, lang, next) {
var date = humanDate.replace(/[\.\,]/g, '').match(/(\d*)[\sert\-]*(\d*)\s*([^\s\(\)]*)\s?(\d{4})/),
start_date,
end_date,
result = {};
moment.locale(lang);
var monthName = moment().month(0).format('MMMM');
if(!date) {
// check other patterns
var candidate = humanDate.replace(/[\.\,]/g, '').match(/(\d{2,4})?[^\d](\d{2,4})/);
if(!candidate) {
if(next)
next(IS_EMPTY);
return false;
}
if(candidate[1] && candidate[2]) {
start_date = moment.utc([1, monthName, candidate[1].length < 4? '19' + candidate[1]:candidate[1]].join(' '), 'D MMMM YYYY').set('hour', 0);
end_date = moment.utc([1, monthName, candidate[2].length < 4? '19' + candidate[2]:candidate[2]].join(' '), 'D MMMM YYYY');
end_date = moment(end_date).add(1, 'year').subtract(1, 'minutes');
} else {
start_date = moment.utc([1, monthName, candidate[2].length < 4? '19' + candidate[2]:candidate[2]].join(' '), 'D MMMM YYYY').set('hour', 0);
end_date = moment(start_date).add(1, 'year').subtract(1, 'minutes');
}
result.text_date = candidate[0]
} else {
if(!date[1].length && date[3].length && ['années'].indexOf(date[3].toLowerCase()) !== -1) {
start_date = moment.utc([1, monthName, date[4]].join(' '), 'D MMMM YYYY').set('hour', 0);
end_date = moment(start_date).add(10, 'year').subtract(1, 'minutes');
} else if(!date[1].length && (!date[3].length || ['vers'].indexOf(date[3].toLowerCase()) !== -1) ) {
start_date = moment.utc([1, monthName, date[4]].join(' '), 'D MMMM YYYY').set('hour', 0);
end_date = moment(start_date).add(1, 'year').subtract(1, 'minutes');
} else if(!date[1].length && date[2].length && date[3].length && date[4].length) {
start_date = moment.utc([date[2],date[3], date[4]].join(' '), 'D MMMM YYYY').set('hour', 0);
end_date = moment(start_date)
.add(24, 'hours')
.subtract(1, 'minutes');
} else if(!date[1].length) {
//console.log(date, [1,date[3], date[4]].join(' '), moment.utc([1,date[3], date[4]].join(' '), 'D MMMM YYYY'))
start_date = moment.utc([1,date[3], date[4]].join(' '), 'D MMMM YYYY').set('hour', 0);
end_date = moment(start_date).add(1, 'month').subtract(1, 'minutes');
} else {
start_date = moment.utc([date[1],date[3], date[4]].join(' '), 'D MMMM YYYY').set('hour', 0);
if(date[2].length)
end_date = moment.utc([date[2],date[3], date[4]].join(' '), 'D MMMM YYYY')
.add(24, 'hours')
.subtract(1, 'minutes');
else
end_date = moment(start_date)
.add(24, 'hours')
.subtract(1, 'minutes');
}
result.text_date = date[0]
}
result.start_date = start_date.format();
result.start_time = +start_date.format('X');
result.end_date = end_date.format();
result.end_time = +end_date.format('X');
if(next)
next(null, result);
return result;
},
/**