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3180171 Jan 6, 2017
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@JeffreyWay @ermand @cyrodjohn
213 lines (168 sloc) 3.5 KB
class Errors {
/**
* Create a new Errors instance.
*/
constructor() {
this.errors = {};
}
/**
* Determine if an errors exists for the given field.
*
* @param {string} field
*/
has(field) {
return this.errors.hasOwnProperty(field);
}
/**
* Determine if we have any errors.
*/
any() {
return Object.keys(this.errors).length > 0;
}
/**
* Retrieve the error message for a field.
*
* @param {string} field
*/
get(field) {
if (this.errors[field]) {
return this.errors[field][0];
}
}
/**
* Record the new errors.
*
* @param {object} errors
*/
record(errors) {
this.errors = errors;
}
/**
* Clear one or all error fields.
*
* @param {string|null} field
*/
clear(field) {
if (field) {
delete this.errors[field];
return;
}
this.errors = {};
}
}
class Form {
/**
* Create a new Form instance.
*
* @param {object} data
*/
constructor(data) {
this.originalData = data;
for (let field in data) {
this[field] = data[field];
}
this.errors = new Errors();
}
/**
* Fetch all relevant data for the form.
*/
data() {
let data = {};
for (let property in this.originalData) {
data[property] = this[property];
}
return data;
}
/**
* Reset the form fields.
*/
reset() {
for (let field in this.originalData) {
this[field] = '';
}
this.errors.clear();
}
/**
* Send a POST request to the given URL.
* .
* @param {string} url
*/
post(url) {
return this.submit('post', url);
}
/**
* Send a PUT request to the given URL.
* .
* @param {string} url
*/
put(url) {
return this.submit('put', url);
}
/**
* Send a PATCH request to the given URL.
* .
* @param {string} url
*/
patch(url) {
return this.submit('patch', url);
}
/**
* Send a DELETE request to the given URL.
* .
* @param {string} url
*/
delete(url) {
return this.submit('delete', url);
}
/**
* Submit the form.
*
* @param {string} requestType
* @param {string} url
*/
submit(requestType, url) {
return new Promise((resolve, reject) => {
axios[requestType](url, this.data())
.then(response => {
this.onSuccess(response.data);
resolve(response.data);
})
.catch(error => {
this.onFail(error.response.data);
reject(error.response.data);
});
});
}
/**
* Handle a successful form submission.
*
* @param {object} data
*/
onSuccess(data) {
alert(data.message); // temporary
this.reset();
}
/**
* Handle a failed form submission.
*
* @param {object} errors
*/
onFail(errors) {
this.errors.record(errors);
}
}
new Vue({
el: '#app',
data: {
form: new Form({
name: '',
description: ''
})
},
methods: {
onSubmit() {
this.form.post('/projects')
.then(response => alert('Wahoo!'));
}
}
});