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books/frappe/backends/http.js
2022-01-21 02:27:29 +05:30

236 lines
5.3 KiB
JavaScript

const frappe = require('frappe');
const Observable = require('frappe/utils/observable');
const triggerEvent = (name) => frappe.events.trigger(`http:${name}`);
module.exports = class HTTPClient extends Observable {
constructor({ server, protocol = 'http' }) {
super();
this.server = server;
this.protocol = protocol;
frappe.config.serverURL = this.getURL();
// if the backend is http, then always client!
frappe.isServer = false;
this.initTypeMap();
}
connect() {}
async insert(doctype, doc) {
doc.doctype = doctype;
let filesToUpload = this.getFilesToUpload(doc);
let url = this.getURL('/api/resource', doctype);
const responseDoc = await this.fetch(url, {
method: 'POST',
body: JSON.stringify(doc),
});
await this.uploadFilesAndUpdateDoc(filesToUpload, doctype, responseDoc);
return responseDoc;
}
async get(doctype, name) {
name = encodeURIComponent(name);
let url = this.getURL('/api/resource', doctype, name);
return await this.fetch(url, {
method: 'GET',
headers: this.getHeaders(),
});
}
async getAll({ doctype, fields, filters, start, limit, sortBy, order }) {
let url = this.getURL('/api/resource', doctype);
url =
url +
'?' +
frappe.getQueryString({
fields: JSON.stringify(fields),
filters: JSON.stringify(filters),
start: start,
limit: limit,
sortBy: sortBy,
order: order,
});
return await this.fetch(url, {
method: 'GET',
});
}
async update(doctype, doc) {
doc.doctype = doctype;
let filesToUpload = this.getFilesToUpload(doc);
let url = this.getURL('/api/resource', doctype, doc.name);
const responseDoc = await this.fetch(url, {
method: 'PUT',
body: JSON.stringify(doc),
});
await this.uploadFilesAndUpdateDoc(filesToUpload, doctype, responseDoc);
return responseDoc;
}
async delete(doctype, name) {
let url = this.getURL('/api/resource', doctype, name);
return await this.fetch(url, {
method: 'DELETE',
});
}
async deleteMany(doctype, names) {
let url = this.getURL('/api/resource', doctype);
return await this.fetch(url, {
method: 'DELETE',
body: JSON.stringify(names),
});
}
async exists(doctype, name) {
return (await this.getValue(doctype, name, 'name')) ? true : false;
}
async getValue(doctype, name, fieldname) {
let url = this.getURL('/api/resource', doctype, name, fieldname);
return (
await this.fetch(url, {
method: 'GET',
})
).value;
}
async fetch(url, args) {
triggerEvent('ajaxStart');
args.headers = this.getHeaders();
let response = await frappe.fetch(url, args);
triggerEvent('ajaxStop');
if (response.status === 200) {
let data = await response.json();
return data;
}
if (response.status === 401) {
triggerEvent('unauthorized');
}
throw Error(await response.text());
}
getFilesToUpload(doc) {
const meta = frappe.getMeta(doc.doctype);
const fileFields = meta.getFieldsWith({ fieldtype: 'File' });
const filesToUpload = [];
if (fileFields.length > 0) {
fileFields.forEach((df) => {
const files = doc[df.fieldname] || [];
if (files.length) {
filesToUpload.push({
fieldname: df.fieldname,
files: files,
});
}
delete doc[df.fieldname];
});
}
return filesToUpload;
}
async uploadFilesAndUpdateDoc(filesToUpload, doctype, doc) {
if (filesToUpload.length > 0) {
// upload files
for (const fileToUpload of filesToUpload) {
const files = await this.uploadFiles(
fileToUpload.files,
doctype,
doc.name,
fileToUpload.fieldname
);
doc[fileToUpload.fieldname] = files[0].name;
}
}
}
async uploadFiles(fileList, doctype, name, fieldname) {
let url = this.getURL('/api/upload', doctype, name, fieldname);
let formData = new FormData();
for (const file of fileList) {
formData.append('files', file, file.name);
}
let response = await frappe.fetch(url, {
method: 'POST',
body: formData,
});
const data = await response.json();
if (response.status !== 200) {
throw Error(data.error);
}
return data;
}
getURL(...parts) {
return this.protocol + '://' + this.server + (parts || []).join('/');
}
getHeaders() {
const headers = {
Accept: 'application/json',
'Content-Type': 'application/json',
};
if (frappe.session && frappe.session.token) {
headers.token = frappe.session.token;
}
return headers;
}
initTypeMap() {
this.typeMap = {
AutoComplete: true,
Currency: true,
Int: true,
Float: true,
Percent: true,
Check: true,
'Small Text': true,
'Long Text': true,
Code: true,
'Text Editor': true,
Date: true,
Datetime: true,
Time: true,
Text: true,
Data: true,
Link: true,
DynamicLink: true,
Password: true,
Select: true,
'Read Only': true,
File: true,
Attach: true,
'Attach Image': true,
Signature: true,
Color: true,
Barcode: true,
Geolocation: true,
};
}
close() {}
};