blob: 5168e8f1819e32675fc1d6dcbaa4d25903e18d9b [file] [log] [blame]
// Copyright (C) 2016 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
(function() {
'use strict';
const STORAGE_DEBOUNCE_INTERVAL_MS = 400;
const FocusTarget = {
ANY: 'any',
BODY: 'body',
CCS: 'cc',
REVIEWERS: 'reviewers',
};
const ReviewerTypes = {
REVIEWER: 'REVIEWER',
CC: 'CC',
};
const LatestPatchState = {
LATEST: 'latest',
CHECKING: 'checking',
NOT_LATEST: 'not-latest',
};
const ButtonLabels = {
START_REVIEW: 'Start review',
SEND: 'Send',
};
// TODO(logan): Remove once the fix for issue 6841 is stable on
// googlesource.com.
const START_REVIEW_MESSAGE = 'This change is ready for review.';
Polymer({
is: 'gr-reply-dialog',
/**
* Fired when a reply is successfully sent.
*
* @event send
*/
/**
* Fired when the user presses the cancel button.
*
* @event cancel
*/
/**
* Fired when the main textarea's value changes, which may have triggered
* a change in size for the dialog.
*
* @event autogrow
*/
/**
* Fires to show an alert when a send is attempted on the non-latest patch.
*
* @event show-alert
*/
/**
* Fires when the reply dialog believes that the server side diff drafts
* have been updated and need to be refreshed.
*
* @event comment-refresh
*/
properties: {
/**
* @type {{ _number: number, removable_reviewers: Array }}
*/
change: Object,
patchNum: String,
canBeStarted: {
type: Boolean,
value: false,
},
disabled: {
type: Boolean,
value: false,
reflectToAttribute: true,
},
draft: {
type: String,
value: '',
observer: '_draftChanged',
},
quote: {
type: String,
value: '',
},
diffDrafts: {
type: Object,
observer: '_handleHeightChanged',
},
/** @type {!Function} */
filterReviewerSuggestion: {
type: Function,
value() {
return this._filterReviewerSuggestionGenerator(false);
},
},
/** @type {!Function} */
filterCCSuggestion: {
type: Function,
value() {
return this._filterReviewerSuggestionGenerator(true);
},
},
permittedLabels: Object,
/**
* @type {{ note_db_enabled: boolean }}
*/
serverConfig: Object,
/**
* @type {{ commentlinks: Array }}
*/
projectConfig: Object,
knownLatestState: String,
underReview: {
type: Boolean,
value: true,
},
_account: Object,
_ccs: Array,
/** @type {?Object} */
_ccPendingConfirmation: {
type: Object,
observer: '_reviewerPendingConfirmationUpdated',
},
_messagePlaceholder: {
type: String,
computed: '_computeMessagePlaceholder(canBeStarted)',
},
_owner: Object,
/** @type {?} */
_pendingConfirmationDetails: Object,
_includeComments: {
type: Boolean,
value: true,
},
_reviewers: Array,
/** @type {?Object} */
_reviewerPendingConfirmation: {
type: Object,
observer: '_reviewerPendingConfirmationUpdated',
},
_previewFormatting: {
type: Boolean,
value: false,
observer: '_handleHeightChanged',
},
_reviewersPendingRemove: {
type: Object,
value: {
CC: [],
REVIEWER: [],
},
},
_sendButtonLabel: {
type: String,
computed: '_computeSendButtonLabel(canBeStarted)',
},
_ccsEnabled: {
type: Boolean,
computed: '_computeCCsEnabled(serverConfig)',
},
_savingComments: Boolean,
_reviewersMutated: {
type: Boolean,
value: false,
},
_labelsChanged: {
type: Boolean,
value: false,
},
},
FocusTarget,
// TODO(logan): Remove once the fix for issue 6841 is stable on
// googlesource.com.
START_REVIEW_MESSAGE,
behaviors: [
Gerrit.BaseUrlBehavior,
Gerrit.KeyboardShortcutBehavior,
Gerrit.PatchSetBehavior,
Gerrit.RESTClientBehavior,
],
keyBindings: {
'esc': '_handleEscKey',
'ctrl+enter meta+enter': '_handleEnterKey',
},
observers: [
'_changeUpdated(change.reviewers.*, change.owner, serverConfig)',
'_ccsChanged(_ccs.splices)',
'_reviewersChanged(_reviewers.splices)',
],
attached() {
this._getAccount().then(account => {
this._account = account || {};
});
},
ready() {
this.$.jsAPI.addElement(this.$.jsAPI.Element.REPLY_DIALOG, this);
},
open(opt_focusTarget) {
this.knownLatestState = LatestPatchState.CHECKING;
this.fetchIsLatestKnown(this.change, this.$.restAPI)
.then(isUpToDate => {
this.knownLatestState = isUpToDate ?
LatestPatchState.LATEST : LatestPatchState.NOT_LATEST;
});
this._focusOn(opt_focusTarget);
if (!this.draft || !this.draft.length) {
this.draft = this._loadStoredDraft();
}
if (this.$.restAPI.hasPendingDiffDrafts()) {
this._savingComments = true;
this.$.restAPI.awaitPendingDiffDrafts().then(() => {
this.fire('comment-refresh');
this._savingComments = false;
});
}
},
focus() {
this._focusOn(FocusTarget.ANY);
},
getFocusStops() {
return {
start: this.$.reviewers.focusStart,
end: this.$.cancelButton,
};
},
setLabelValue(label, value) {
const selectorEl =
this.$.labelScores.$$(`gr-label-score-row[name="${label}"]`);
if (!selectorEl) { return; }
selectorEl.setSelectedValue(value);
},
getLabelValue(label) {
const selectorEl =
this.$.labelScores.$$(`gr-label-score-row[name="${label}"]`);
if (!selectorEl) { return null; }
return selectorEl.selectedValue;
},
_handleEscKey(e) {
this.cancel();
},
_handleEnterKey(e) {
this._submit();
},
_ccsChanged(splices) {
if (splices && splices.indexSplices) {
this._reviewersMutated = true;
this._processReviewerChange(splices.indexSplices, ReviewerTypes.CC);
}
},
_reviewersChanged(splices) {
if (splices && splices.indexSplices) {
this._reviewersMutated = true;
this._processReviewerChange(splices.indexSplices,
ReviewerTypes.REVIEWER);
let key;
let index;
let account;
// Remove any accounts that already exist as a CC.
for (const splice of splices.indexSplices) {
for (const addedKey of splice.addedKeys) {
account = this.get(`_reviewers.${addedKey}`);
key = this._accountOrGroupKey(account);
index = this._ccs.findIndex(
account => this._accountOrGroupKey(account) === key);
if (index >= 0) {
this.splice('_ccs', index, 1);
const message = (account.name || account.email || key) +
' moved from CC to reviewer.';
this.fire('show-alert', {message});
}
}
}
}
},
_processReviewerChange(indexSplices, type) {
for (const splice of indexSplices) {
for (const account of splice.removed) {
if (!this._reviewersPendingRemove[type]) {
console.err('Invalid type ' + type + ' for reviewer.');
return;
}
this._reviewersPendingRemove[type].push(account);
}
}
},
/**
* Resets the state of the _reviewersPendingRemove object, and removes
* accounts if necessary.
*
* @param {boolean} isCancel true if the action is a cancel.
* @param {Object=} opt_accountIdsTransferred map of account IDs that must
* not be removed, because they have been readded in another state.
*/
_purgeReviewersPendingRemove(isCancel, opt_accountIdsTransferred) {
let reviewerArr;
const keep = opt_accountIdsTransferred || {};
for (const type in this._reviewersPendingRemove) {
if (this._reviewersPendingRemove.hasOwnProperty(type)) {
if (!isCancel) {
reviewerArr = this._reviewersPendingRemove[type];
for (let i = 0; i < reviewerArr.length; i++) {
if (!keep[reviewerArr[i]._account_id]) {
this._removeAccount(reviewerArr[i], type);
}
}
}
this._reviewersPendingRemove[type] = [];
}
}
},
/**
* Removes an account from the change, both on the backend and the client.
* Does nothing if the account is a pending addition.
*
* @param {!Object} account
* @param {string} type
*
* * TODO(beckysiegel) submit Polymer PR
* @suppress {checkTypes}
*/
_removeAccount(account, type) {
if (account._pendingAdd) { return; }
return this.$.restAPI.removeChangeReviewer(this.change._number,
account._account_id).then(response => {
if (!response.ok) { return response; }
const reviewers = this.change.reviewers[type] || [];
for (let i = 0; i < reviewers.length; i++) {
if (reviewers[i]._account_id == account._account_id) {
this.splice(['change', 'reviewers', type], i, 1);
break;
}
}
});
},
_mapReviewer(reviewer) {
let reviewerId;
let confirmed;
if (reviewer.account) {
reviewerId = reviewer.account._account_id || reviewer.account.email;
} else if (reviewer.group) {
reviewerId = reviewer.group.id;
confirmed = reviewer.group.confirmed;
}
return {reviewer: reviewerId, confirmed};
},
send(includeComments, startReview) {
if (this.knownLatestState === 'not-latest') {
this.fire('show-alert',
{message: 'Cannot reply to non-latest patch.'});
return Promise.resolve({});
}
const labels = this.$.labelScores.getLabelValues();
const obj = {
drafts: includeComments ? 'PUBLISH_ALL_REVISIONS' : 'KEEP',
labels,
};
if (startReview) {
obj.ready = true;
}
if (this.draft != null) {
obj.message = this.draft;
}
const accountAdditions = {};
obj.reviewers = this.$.reviewers.additions().map(reviewer => {
if (reviewer.account) {
accountAdditions[reviewer.account._account_id] = true;
}
return this._mapReviewer(reviewer);
});
const ccsEl = this.$$('#ccs');
if (ccsEl) {
for (let reviewer of ccsEl.additions()) {
if (reviewer.account) {
accountAdditions[reviewer.account._account_id] = true;
}
reviewer = this._mapReviewer(reviewer);
reviewer.state = 'CC';
obj.reviewers.push(reviewer);
}
}
this.disabled = true;
if (obj.ready && !obj.message) {
// TODO(logan): The server currently doesn't send email in this case.
// Insert a dummy message to force an email to be sent. Remove this
// once the fix for issue 6841 is stable on googlesource.com.
obj.message = START_REVIEW_MESSAGE;
}
const errFn = this._handle400Error.bind(this);
return this._saveReview(obj, errFn).then(response => {
if (!response) {
// Null or undefined response indicates that an error handler
// took responsibility, so just return.
return {};
}
if (!response.ok) {
this.fire('server-error', {response});
return {};
}
// TODO(logan): Remove once the required API changes are live and stable
// on googlesource.com.
return this._maybeSetReady(startReview, response).catch(err => {
// We catch error here because we still want to treat this as a
// successful review.
console.error('error setting ready:', err);
}).then(() => {
this.draft = '';
this._includeComments = true;
this.fire('send', null, {bubbles: false});
return accountAdditions;
});
}).then(result => {
this.disabled = false;
return result;
}).catch(err => {
this.disabled = false;
throw err;
});
},
/**
* Returns a promise resolving to true if review was successfully posted,
* false otherwise.
*
* TODO(logan): Remove this once the required API changes are live and
* stable on googlesource.com.
*/
_maybeSetReady(startReview, response) {
return this.$.restAPI.getResponseObject(response).then(result => {
if (!startReview || result.ready) {
return Promise.resolve();
}
// We don't have confirmation that review was started, so attempt to
// start review explicitly.
return this.$.restAPI.startReview(
this.change._number, null, response => {
// If we see a 409 response code, then that means the server
// *does* support moving from WIP->ready when posting a
// review. Only alert user for non-409 failures.
if (response.status !== 409) {
this.fire('server-error', {response});
}
});
});
},
_focusOn(section) {
if (section === FocusTarget.ANY) {
section = this._chooseFocusTarget();
}
if (section === FocusTarget.BODY) {
const textarea = this.$.textarea;
textarea.async(textarea.getNativeTextarea()
.focus.bind(textarea.getNativeTextarea()));
} else if (section === FocusTarget.REVIEWERS) {
const reviewerEntry = this.$.reviewers.focusStart;
reviewerEntry.async(reviewerEntry.focus);
} else if (section === FocusTarget.CCS) {
const ccEntry = this.$$('#ccs').focusStart;
ccEntry.async(ccEntry.focus);
}
},
_chooseFocusTarget() {
// If we are the owner and the reviewers field is empty, focus on that.
if (this._account && this.change && this.change.owner &&
this._account._account_id === this.change.owner._account_id &&
(!this._reviewers || this._reviewers.length === 0)) {
return FocusTarget.REVIEWERS;
}
// Default to BODY.
return FocusTarget.BODY;
},
_handle400Error(response) {
// A call to _saveReview could fail with a server error if erroneous
// reviewers were requested. This is signalled with a 400 Bad Request
// status. The default gr-rest-api-interface error handling would
// result in a large JSON response body being displayed to the user in
// the gr-error-manager toast.
//
// We can modify the error handling behavior by passing this function
// through to restAPI as a custom error handling function. Since we're
// short-circuiting restAPI we can do our own response parsing and fire
// the server-error ourselves.
//
this.disabled = false;
if (response.status !== 400) {
// This is all restAPI does when there is no custom error handling.
this.fire('server-error', {response});
return response;
}
// Process the response body, format a better error message, and fire
// an event for gr-event-manager to display.
const jsonPromise = this.$.restAPI.getResponseObject(response);
return jsonPromise.then(result => {
const errors = [];
for (const state of ['reviewers', 'ccs']) {
if (!result.hasOwnProperty(state)) { continue; }
for (const reviewer of Object.values(result[state])) {
if (reviewer.error) {
errors.push(reviewer.error);
}
}
}
response = {
ok: false,
status: response.status,
text() { return Promise.resolve(errors.join(', ')); },
};
this.fire('server-error', {response});
});
},
_computeHideDraftList(drafts) {
return Object.keys(drafts || {}).length == 0;
},
_computeDraftsTitle(drafts) {
let total = 0;
for (const file in drafts) {
if (drafts.hasOwnProperty(file)) {
total += drafts[file].length;
}
}
if (total == 0) { return ''; }
if (total == 1) { return '1 Draft'; }
if (total > 1) { return total + ' Drafts'; }
},
_computeMessagePlaceholder(canBeStarted) {
return canBeStarted ?
'Add a note for your reviewers...' :
'Say something nice...';
},
_changeUpdated(changeRecord, owner, serverConfig) {
this._rebuildReviewerArrays(changeRecord.base, owner, serverConfig);
},
_rebuildReviewerArrays(change, owner, serverConfig) {
this._owner = owner;
let reviewers = [];
const ccs = [];
for (const key in change) {
if (change.hasOwnProperty(key)) {
if (key !== 'REVIEWER' && key !== 'CC') {
console.warn('unexpected reviewer state:', key);
continue;
}
for (const entry of change[key]) {
if (entry._account_id === owner._account_id) {
continue;
}
switch (key) {
case 'REVIEWER':
reviewers.push(entry);
break;
case 'CC':
ccs.push(entry);
break;
}
}
}
}
if (this._ccsEnabled) {
this._ccs = ccs;
} else {
this._ccs = [];
reviewers = reviewers.concat(ccs);
}
this._reviewers = reviewers;
},
_accountOrGroupKey(entry) {
return entry.id || entry._account_id;
},
/**
* Generates a function to filter out reviewer/CC entries. When isCCs is
* truthy, the function filters out entries that already exist in this._ccs.
* When falsy, the function filters entries that exist in this._reviewers.
* @param {boolean} isCCs
* @return {!Function}
*/
_filterReviewerSuggestionGenerator(isCCs) {
return suggestion => {
let entry;
if (suggestion.account) {
entry = suggestion.account;
} else if (suggestion.group) {
entry = suggestion.group;
} else {
console.warn(
'received suggestion that was neither account nor group:',
suggestion);
}
if (entry._account_id === this._owner._account_id) {
return false;
}
const key = this._accountOrGroupKey(entry);
const finder = entry => this._accountOrGroupKey(entry) === key;
if (isCCs) {
return this._ccs.find(finder) === undefined;
}
return this._reviewers.find(finder) === undefined;
};
},
_getAccount() {
return this.$.restAPI.getAccount();
},
_cancelTapHandler(e) {
e.preventDefault();
this.cancel();
},
cancel() {
this.fire('cancel', null, {bubbles: false});
this.$.textarea.closeDropdown();
this._purgeReviewersPendingRemove(true);
this._rebuildReviewerArrays(this.change.reviewers, this._owner,
this.serverConfig);
},
_saveTapHandler(e) {
e.preventDefault();
if (this._ccsEnabled && !this.$$('#ccs').submitEntryText()) {
// Do not proceed with the save if there is an invalid email entry in
// the text field of the CC entry.
return;
}
this.send(this._includeComments, false).then(keepReviewers => {
this._purgeReviewersPendingRemove(false, keepReviewers);
});
},
_sendTapHandler(e) {
e.preventDefault();
this._submit();
},
_submit() {
if (this._ccsEnabled && !this.$$('#ccs').submitEntryText()) {
// Do not proceed with the send if there is an invalid email entry in
// the text field of the CC entry.
return;
}
return this.send(this._includeComments, this.canBeStarted)
.then(keepReviewers => {
this._purgeReviewersPendingRemove(false, keepReviewers);
});
},
_saveReview(review, opt_errFn) {
return this.$.restAPI.saveChangeReview(this.change._number, this.patchNum,
review, opt_errFn);
},
_reviewerPendingConfirmationUpdated(reviewer) {
if (reviewer === null) {
this.$.reviewerConfirmationOverlay.close();
} else {
this._pendingConfirmationDetails =
this._ccPendingConfirmation || this._reviewerPendingConfirmation;
this.$.reviewerConfirmationOverlay.open();
}
},
_confirmPendingReviewer() {
if (this._ccPendingConfirmation) {
this.$$('#ccs').confirmGroup(this._ccPendingConfirmation.group);
this._focusOn(FocusTarget.CCS);
} else {
this.$.reviewers.confirmGroup(this._reviewerPendingConfirmation.group);
this._focusOn(FocusTarget.REVIEWERS);
}
},
_cancelPendingReviewer() {
this._ccPendingConfirmation = null;
this._reviewerPendingConfirmation = null;
const target =
this._ccPendingConfirmation ? FocusTarget.CCS : FocusTarget.REVIEWERS;
this._focusOn(target);
},
_getStorageLocation() {
// Tests trigger this method without setting change.
if (!this.change) { return {}; }
return {
changeNum: this.change._number,
patchNum: '@change',
path: '@change',
};
},
_loadStoredDraft() {
const draft = this.$.storage.getDraftComment(this._getStorageLocation());
return draft ? draft.message : '';
},
_draftChanged(newDraft, oldDraft) {
this.debounce('store', () => {
if (!newDraft.length && oldDraft) {
// If the draft has been modified to be empty, then erase the storage
// entry.
this.$.storage.eraseDraftComment(this._getStorageLocation());
} else if (newDraft.length) {
this.$.storage.setDraftComment(this._getStorageLocation(),
this.draft);
}
}, STORAGE_DEBOUNCE_INTERVAL_MS);
},
_handleHeightChanged(e) {
// If the textarea resizes, we need to re-fit the overlay.
this.debounce('autogrow', () => {
this.fire('autogrow');
});
},
_handleLabelsChanged() {
this._labelsChanged = Object.keys(
this.$.labelScores.getLabelValues()).length !== 0;
},
_isState(knownLatestState, value) {
return knownLatestState === value;
},
_reload() {
// Load the current change without any patch range.
location.href = this.getBaseUrl() + '/c/' + this.change._number;
},
_computeSendButtonLabel(canBeStarted) {
return canBeStarted ? ButtonLabels.START_REVIEW : ButtonLabels.SEND;
},
_computeCCsEnabled(serverConfig) {
return serverConfig && serverConfig.note_db_enabled;
},
_computeSavingLabelClass(savingComments) {
return savingComments ? 'saving' : '';
},
_computeSendButtonDisabled(knownLatestState, buttonLabel, drafts, text,
reviewersMutated, labelsChanged, includeComments) {
if (this._isState(knownLatestState, LatestPatchState.NOT_LATEST)) {
return true;
}
if (buttonLabel === ButtonLabels.START_REVIEW) {
return false;
}
const hasDrafts = includeComments && Object.keys(drafts).length;
return !hasDrafts && !text.length && !reviewersMutated && !labelsChanged;
},
});
})();