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@veekthoven
Created December 4, 2018 10:55
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import Errors from './Errors.js'
class Form {
/**
* Create a new Form instance.
*
* @param {object} data
*/
constructor(data) {
this.originalData = data;
this.submitting = false;
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;
}
/**
* Determine if the form has any errors.
*/
hasError(field = null) {
if (field) {
return this.errors.has(field);
}
return this.errors.any();
}
/**
* Retrieve the error message for a field.
*
* @param {string} field
*/
getError(field) {
return this.errors.get(field);
}
/**
* Clear one or all error fields.
*
* @param {string|null} field
*/
clearErrors() {
this.errors.clear();
}
/**
* Reset the form fields.
*/
reset() {
for (let field in this.originalData) {
this[field] = '';
}
this.submitting = false;
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) {
this.submitting = true;
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) {
this.reset();
}
/**
* Handle a failed form submission.
*
* @param {object} errors
*/
onFail(errors) {
this.submitting = false;
this.errors.record(errors.errors);
}
}
export default Form
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