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index.js
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index.js
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/**
* Created by dbreton on 5/15/17.
*/
'use strict';
const request = require('request');
const requestPromise = require('request-promise-native');
function ERPNext(config) {
this.host = config.host;
this.user = config.user;
this.password = config.password;
this.cookieJar = request.jar();
let self = this;
this.buildUrlString = (params) => {
if (!Array.isArray(params))
throw "params must be an Array"
return this.host + "/api/" + params.join('/')
}
this.login = function () {
let formData = {usr: self.user, pwd: self.password};
return requestPromise.post({
url: self.host + '/api/method/login',
jar: self.cookieJar,
form: formData,
});
};
this.call = function (method, data) {
return (new Promise((resolve, reject) => {
self.login().then(() => {
const urlString = self.buildUrlString(['method', method])
return requestPromise.post({
url: urlString,
json: true,
jar: self.cookieJar,
form: data,
headers: {
'Content-Type':'application/json',
}
})
})
.then((res) => {resolve(res.message)})
.catch(err => {reject(err)})
}));
};
this.resource = (docType) => {
return {
find: (params = {}) => {
return (new Promise((resolve, reject) => {
let urlString = self.buildUrlString(['resource', docType])
self.login().then(() => {
if (params.fields) {
urlString += '?fields=' + JSON.stringify(params.fields);
if (params.filters || params.page_length || params.page_start)
urlString += '&';
}
if (params.filters) {
if (!params.fields)
urlString += '?';
urlString += 'filters=' + JSON.stringify(params.filters);
if (params.page_length || params.page_start)
urlString += '&';
}
if (params.page_length) {
if (!params.fields && !params.filters)
urlString += '?';
urlString += 'limit_page_length=' + JSON.stringify(params.page_length);
if (params.page_start)
urlString += '&';
}
if (params.page_start) {
if (!params.fields && !params.filters && !params.page_length)
urlString += '?';
urlString += 'limit_start=' + JSON.stringify(params.page_start);
}
return requestPromise.get({
url: urlString,
json: true,
jar: self.cookieJar
})
})
.then((res) => {resolve(res.data)})
.catch(err => reject(err))
}))
},
create: (params = {}) => {
return (new Promise((resolve, reject) => {
let urlString = self.buildUrlString(['resource', docType])
self.login().then(() => {
return requestPromise.post({
url: urlString,
json: true,
jar: self.cookieJar,
body: params,
headers: {
'Content-Type':'application/json',
}
})
})
.then((res) => {resolve(res.data)})
.catch(err => reject(err))
}))
},
get: (docName = "") => {
return (new Promise((resolve, reject) => {
self.login().then(() => {
return requestPromise.get({
url: self.buildUrlString(['resource', docType,docName]),
json: true,
jar: self.cookieJar
})
})
.then((res) => {resolve(res.data)})
.catch(err => reject(err))
}))
},
update: (docName = "", data = {}) => {
return (new Promise((resolve, reject) => {
self.login().then(() => {
return requestPromise.put({
url: self.buildUrlString(['resource', docType,docName]),
json: true,
jar: self.cookieJar,
body: data,
headers: {
'Content-Type':'application/json',
}
})
}).then((res) => {
resolve(res.data)
}).catch(err => reject(err))
}))
},
delete: (docName) => {
return (new Promise((resolve, reject) => {
self.login().then(() => {
return requestPromise.delete({
url: self.buildUrlString(['resource', docType,docName]),
json: true,
jar: self.cookieJar,
headers: {
'Content-Type':'application/json',
}
})
}).then((res) => {
resolve(res)
}).catch(err=> {
reject(err);
})
}))
},
exists: (docName) => {
return (new Promise((resolve, reject) => {
self.login().then(() => {
self.resource(docType).get(docName).then((res, err) => {
if (!err)
resolve({exists: true})
}).catch(err => {
resolve({exists: false})
})
}).catch(err => reject(err))
}));
}
}
}
}
module.exports = ERPNext;