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/* eslint-disable no-new */
/* global Flash */
import DropLab from './droplab/drop_lab';
import ISetter from './droplab/plugins/input_setter';
// Todo: Remove this when fixing issue in input_setter plugin
const InputSetter = Object.assign({}, ISetter);
const CREATE_MERGE_REQUEST = 'create-mr';
const CREATE_BRANCH = 'create-branch';
export default class CreateMergeRequestDropdown {
constructor(wrapperEl) {
this.wrapperEl = wrapperEl;
this.createMergeRequestButton = this.wrapperEl.querySelector('.js-create-merge-request');
this.dropdownToggle = this.wrapperEl.querySelector('.js-dropdown-toggle');
this.dropdownList = this.wrapperEl.querySelector('.dropdown-menu');
this.availableButton = this.wrapperEl.querySelector('.available');
this.unavailableButton = this.wrapperEl.querySelector('.unavailable');
this.unavailableButtonArrow = this.unavailableButton.querySelector('.fa');
this.unavailableButtonText = this.unavailableButton.querySelector('.text');
this.createBranchPath = this.wrapperEl.dataset.createBranchPath;
this.canCreatePath = this.wrapperEl.dataset.canCreatePath;
this.createMrPath = this.wrapperEl.dataset.createMrPath;
this.droplabInitialized = false;
this.isCreatingMergeRequest = false;
this.mergeRequestCreated = false;
this.isCreatingBranch = false;
this.branchCreated = false;
this.init();
}
init() {
this.checkAbilityToCreateBranch();
}
available() {
this.availableButton.classList.remove('hide');
this.unavailableButton.classList.add('hide');
}
unavailable() {
this.availableButton.classList.add('hide');
this.unavailableButton.classList.remove('hide');
}
enable() {
this.createMergeRequestButton.classList.remove('disabled');
this.createMergeRequestButton.removeAttribute('disabled');
this.dropdownToggle.classList.remove('disabled');
this.dropdownToggle.removeAttribute('disabled');
}
disable() {
this.createMergeRequestButton.classList.add('disabled');
this.createMergeRequestButton.setAttribute('disabled', 'disabled');
this.dropdownToggle.classList.add('disabled');
this.dropdownToggle.setAttribute('disabled', 'disabled');
}
hide() {
this.wrapperEl.classList.add('hide');
}
setUnavailableButtonState(isLoading = true) {
if (isLoading) {
this.unavailableButtonArrow.classList.add('fa-spinner', 'fa-spin');
this.unavailableButtonArrow.classList.remove('fa-exclamation-triangle');
this.unavailableButtonText.textContent = 'Checking branch availability…';
} else {
this.unavailableButtonArrow.classList.remove('fa-spinner', 'fa-spin');
this.unavailableButtonArrow.classList.add('fa-exclamation-triangle');
this.unavailableButtonText.textContent = 'New branch unavailable';
}
}
checkAbilityToCreateBranch() {
return $.ajax({
type: 'GET',
dataType: 'json',
url: this.canCreatePath,
beforeSend: () => this.setUnavailableButtonState(),
})
.done((data) => {
this.setUnavailableButtonState(false);
if (data.can_create_branch) {
this.available();
this.enable();
if (!this.droplabInitialized) {
this.droplabInitialized = true;
this.initDroplab();
this.bindEvents();
}
} else if (data.has_related_branch) {
this.hide();
}
}).fail(() => {
this.unavailable();
this.disable();
new Flash('Failed to check if a new branch can be created.');
});
}
initDroplab() {
this.droplab = new DropLab();
this.droplab.init(this.dropdownToggle, this.dropdownList, [InputSetter],
this.getDroplabConfig());
}
getDroplabConfig() {
return {
InputSetter: [{
input: this.createMergeRequestButton,
valueAttribute: 'data-value',
inputAttribute: 'data-action',
}, {
input: this.createMergeRequestButton,
valueAttribute: 'data-text',
}],
};
}
bindEvents() {
this.createMergeRequestButton
.addEventListener('click', this.onClickCreateMergeRequestButton.bind(this));
}
isBusy() {
return this.isCreatingMergeRequest ||
this.mergeRequestCreated ||
this.isCreatingBranch ||
this.branchCreated;
}
onClickCreateMergeRequestButton(e) {
let xhr = null;
e.preventDefault();
if (this.isBusy()) {
return;
}
if (e.target.dataset.action === CREATE_MERGE_REQUEST) {
xhr = this.createMergeRequest();
} else if (e.target.dataset.action === CREATE_BRANCH) {
xhr = this.createBranch();
}
xhr.fail(() => {
this.isCreatingMergeRequest = false;
this.isCreatingBranch = false;
});
xhr.always(() => this.enable());
this.disable();
}
createMergeRequest() {
return $.ajax({
method: 'POST',
dataType: 'json',
url: this.createMrPath,
beforeSend: () => (this.isCreatingMergeRequest = true),
})
.done((data) => {
this.mergeRequestCreated = true;
window.location.href = data.url;
})
.fail(() => new Flash('Failed to create Merge Request. Please try again.'));
}
createBranch() {
return $.ajax({
method: 'POST',
dataType: 'json',
url: this.createBranchPath,
beforeSend: () => (this.isCreatingBranch = true),
})
.done((data) => {
this.branchCreated = true;
window.location.href = data.url;
})
.fail(() => new Flash('Failed to create a branch for this issue. Please try again.'));
}
}
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