Adrià Vilanova MartÃnez | f19ea43 | 2024-01-23 20:20:52 +0100 | [diff] [blame] | 1 | // Copyright 2019 The Chromium Authors |
Copybara | 854996b | 2021-09-07 19:36:02 +0000 | [diff] [blame] | 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | import {LitElement, html, css} from 'lit-element'; |
| 6 | import {store} from 'reducers/base.js'; |
| 7 | import * as issueV0 from 'reducers/issueV0.js'; |
| 8 | |
| 9 | import 'elements/chops/chops-button/chops-button.js'; |
| 10 | import 'elements/chops/chops-timestamp/chops-timestamp.js'; |
| 11 | import 'elements/framework/mr-comment-content/mr-comment-content.js'; |
| 12 | import 'elements/framework/mr-comment-content/mr-attachment.js'; |
| 13 | import 'elements/framework/mr-dropdown/mr-dropdown.js'; |
| 14 | import 'elements/framework/links/mr-issue-link/mr-issue-link.js'; |
| 15 | import 'elements/framework/links/mr-user-link/mr-user-link.js'; |
| 16 | import {SHARED_STYLES} from 'shared/shared-styles.js'; |
| 17 | import {issueStringToRef} from 'shared/convertersV0.js'; |
| 18 | import {prpcClient} from 'prpc-client-instance.js'; |
| 19 | import 'shared/typedef.js'; |
| 20 | |
| 21 | const ISSUE_REF_FIELD_NAMES = [ |
| 22 | 'Blocking', |
| 23 | 'Blockedon', |
| 24 | 'Mergedinto', |
| 25 | ]; |
| 26 | |
| 27 | /** |
| 28 | * `<mr-comment>` |
| 29 | * |
| 30 | * A component for an individual comment. |
| 31 | * |
| 32 | */ |
| 33 | export class MrComment extends LitElement { |
| 34 | /** @override */ |
| 35 | constructor() { |
| 36 | super(); |
| 37 | |
| 38 | this._isExpandedIfDeleted = false; |
| 39 | } |
| 40 | |
| 41 | /** @override */ |
| 42 | static get properties() { |
| 43 | return { |
| 44 | comment: {type: Object}, |
| 45 | headingLevel: {type: String}, |
| 46 | highlighted: { |
| 47 | type: Boolean, |
| 48 | reflect: true, |
| 49 | }, |
| 50 | commenterIsMember: {type: Boolean}, |
| 51 | _isExpandedIfDeleted: {type: Boolean}, |
| 52 | _showOriginalContent: {type: Boolean}, |
| 53 | }; |
| 54 | } |
| 55 | |
| 56 | /** @override */ |
| 57 | updated(changedProperties) { |
| 58 | super.updated(changedProperties); |
| 59 | |
| 60 | if (changedProperties.has('highlighted') && this.highlighted) { |
| 61 | window.requestAnimationFrame(() => { |
| 62 | this.scrollIntoView(); |
| 63 | // TODO(ehmaldonado): Figure out a way to get the height from the issue |
| 64 | // header, and scroll by that amount. |
| 65 | window.scrollBy(0, -150); |
| 66 | }); |
| 67 | } |
| 68 | } |
| 69 | |
| 70 | /** @override */ |
| 71 | static get styles() { |
| 72 | return [ |
| 73 | SHARED_STYLES, |
| 74 | css` |
| 75 | :host { |
| 76 | display: block; |
| 77 | margin: 1.5em 0 0 0; |
| 78 | } |
| 79 | :host([highlighted]) { |
| 80 | border: 1px solid var(--chops-primary-accent-color); |
| 81 | box-shadow: 0 0 4px 4px var(--chops-active-choice-bg); |
| 82 | } |
| 83 | :host([hidden]) { |
| 84 | display: none; |
| 85 | } |
| 86 | .comment-header { |
| 87 | background: var(--chops-card-heading-bg); |
| 88 | padding: 3px 1px 1px 8px; |
| 89 | width: 100%; |
| 90 | display: flex; |
| 91 | flex-direction: row; |
| 92 | justify-content: space-between; |
| 93 | align-items: center; |
| 94 | box-sizing: border-box; |
| 95 | } |
| 96 | .comment-header a { |
| 97 | display: inline-flex; |
| 98 | } |
| 99 | .role-label { |
| 100 | background-color: var(--chops-gray-600); |
| 101 | border-radius: 3px; |
| 102 | color: var(--chops-white); |
| 103 | display: inline-block; |
| 104 | padding: 2px 4px; |
| 105 | font-size: 75%; |
| 106 | font-weight: bold; |
| 107 | line-height: 14px; |
| 108 | vertical-align: text-bottom; |
| 109 | margin-left: 16px; |
| 110 | } |
| 111 | .comment-options { |
| 112 | float: right; |
| 113 | text-align: right; |
| 114 | text-decoration: none; |
| 115 | } |
| 116 | .comment-body { |
| 117 | margin: 4px; |
| 118 | box-sizing: border-box; |
| 119 | } |
| 120 | .deleted-comment-notice { |
| 121 | margin-left: 4px; |
| 122 | } |
| 123 | .issue-diff { |
| 124 | background: var(--chops-card-details-bg); |
| 125 | display: inline-block; |
| 126 | padding: 4px 8px; |
| 127 | width: 100%; |
| 128 | box-sizing: border-box; |
| 129 | } |
| 130 | `, |
| 131 | ]; |
| 132 | } |
| 133 | |
| 134 | /** @override */ |
| 135 | render() { |
| 136 | return html` |
| 137 | ${this._renderHeading()} |
| 138 | ${_shouldShowComment(this._isExpandedIfDeleted, this.comment) ? html` |
| 139 | ${this._renderDiff()} |
| 140 | ${this._renderBody()} |
| 141 | ` : ''} |
| 142 | `; |
| 143 | } |
| 144 | |
| 145 | /** |
| 146 | * @return {TemplateResult} |
| 147 | */ |
| 148 | _renderHeading() { |
| 149 | return html` |
| 150 | <div |
| 151 | role="heading" |
| 152 | aria-level=${this.headingLevel} |
| 153 | class="comment-header"> |
| 154 | <div> |
| 155 | <a |
| 156 | href="?id=${this.comment.localId}#c${this.comment.sequenceNum}" |
| 157 | class="comment-link" |
| 158 | >Comment ${this.comment.sequenceNum}</a> |
| 159 | |
| 160 | ${this._renderByline()} |
| 161 | </div> |
| 162 | ${_shouldOfferCommentOptions(this.comment) ? html` |
| 163 | <div class="comment-options"> |
| 164 | <mr-dropdown |
| 165 | .items=${this._commentOptions} |
| 166 | label="Comment options" |
| 167 | icon="more_vert" |
| 168 | ></mr-dropdown> |
| 169 | </div> |
| 170 | ` : ''} |
| 171 | </div> |
| 172 | `; |
| 173 | } |
| 174 | |
| 175 | /** |
| 176 | * @return {TemplateResult} |
| 177 | */ |
| 178 | _renderByline() { |
| 179 | if (_shouldShowComment(this._isExpandedIfDeleted, this.comment)) { |
| 180 | return html` |
| 181 | by |
| 182 | <mr-user-link .userRef=${this.comment.commenter}></mr-user-link> |
| 183 | on |
| 184 | <chops-timestamp |
| 185 | .timestamp=${this.comment.timestamp} |
| 186 | ></chops-timestamp> |
| 187 | ${this.commenterIsMember && !this.comment.isDeleted ? html` |
| 188 | <span class="role-label">Project Member</span>` : ''} |
| 189 | `; |
| 190 | } else { |
| 191 | return html`<span class="deleted-comment-notice">Deleted</span>`; |
| 192 | } |
| 193 | } |
| 194 | |
| 195 | /** |
| 196 | * @return {TemplateResult} |
| 197 | */ |
| 198 | _renderDiff() { |
| 199 | if (!(this.comment.descriptionNum || this.comment.amendments)) return ''; |
| 200 | |
| 201 | return html` |
| 202 | <div class="issue-diff"> |
| 203 | ${(this.comment.amendments || []).map((delta) => html` |
| 204 | <strong>${delta.fieldName}:</strong> |
| 205 | ${_issuesForAmendment(delta, this.comment.projectName).map((issueForAmendment) => html` |
| 206 | <mr-issue-link |
| 207 | projectName=${this.comment.projectName} |
| 208 | .issue=${issueForAmendment.issue} |
| 209 | text=${issueForAmendment.text} |
| 210 | ></mr-issue-link> |
| 211 | `)} |
| 212 | ${!_amendmentHasIssueRefs(delta.fieldName) ? delta.newOrDeltaValue : ''} |
| 213 | ${delta.oldValue ? `(was: ${delta.oldValue})` : ''} |
| 214 | <br> |
| 215 | `)} |
| 216 | ${this.comment.descriptionNum ? 'Description was changed.' : ''} |
| 217 | </div><br> |
| 218 | `; |
| 219 | } |
| 220 | |
| 221 | /** |
| 222 | * @return {TemplateResult} |
| 223 | */ |
| 224 | _renderBody() { |
| 225 | const commentContent = this._showOriginalContent ? |
| 226 | this.comment.inboundMessage : |
| 227 | this.comment.content; |
| 228 | return html` |
| 229 | <div class="comment-body"> |
| 230 | <mr-comment-content |
| 231 | ?hidden=${this.comment.descriptionNum} |
| 232 | .content=${commentContent} |
| 233 | .author=${this.comment.commenter.displayName} |
| 234 | ?isDeleted=${this.comment.isDeleted} |
| 235 | ></mr-comment-content> |
| 236 | <div ?hidden=${this.comment.descriptionNum}> |
| 237 | ${(this.comment.attachments || []).map((attachment) => html` |
| 238 | <mr-attachment |
| 239 | .attachment=${attachment} |
| 240 | projectName=${this.comment.projectName} |
| 241 | localId=${this.comment.localId} |
| 242 | sequenceNum=${this.comment.sequenceNum} |
| 243 | ?canDelete=${this.comment.canDelete} |
| 244 | ></mr-attachment> |
| 245 | `)} |
| 246 | </div> |
| 247 | </div> |
| 248 | `; |
| 249 | } |
| 250 | |
| 251 | /** |
| 252 | * Displays three dot menu options available to the current user for a given |
| 253 | * comment. |
| 254 | * @return {Array<MenuItem>} |
| 255 | */ |
| 256 | get _commentOptions() { |
| 257 | const options = []; |
| 258 | if (_canExpandDeletedComment(this.comment)) { |
| 259 | const text = |
| 260 | (this._isExpandedIfDeleted ? 'Hide' : 'Show') + ' comment content'; |
| 261 | options.push({ |
| 262 | text: text, |
| 263 | handler: this._toggleHideDeletedComment.bind(this), |
| 264 | }); |
| 265 | options.push({separator: true}); |
| 266 | } |
| 267 | if (this.comment.canDelete) { |
| 268 | const text = |
| 269 | (this.comment.isDeleted ? 'Undelete' : 'Delete') + ' comment'; |
| 270 | options.push({ |
| 271 | text: text, |
| 272 | handler: _deleteComment.bind(null, this.comment), |
| 273 | }); |
| 274 | } |
| 275 | if (this.comment.canFlag) { |
| 276 | const text = (this.comment.isSpam ? 'Unflag' : 'Flag') + ' comment'; |
| 277 | options.push({ |
| 278 | text: text, |
| 279 | handler: _flagComment.bind(null, this.comment), |
| 280 | }); |
| 281 | } |
| 282 | if (this.comment.inboundMessage) { |
| 283 | const text = |
| 284 | (this._showOriginalContent ? 'Hide' : 'Show') + ' original email'; |
| 285 | options.push({ |
| 286 | text: text, |
| 287 | handler: this._toggleShowOriginalContent.bind(this), |
| 288 | }); |
| 289 | } |
| 290 | return options; |
| 291 | } |
| 292 | |
| 293 | /** |
| 294 | * Toggles whether the email of the user who deleted the comment should be |
| 295 | * shown. |
| 296 | */ |
| 297 | _toggleShowOriginalContent() { |
| 298 | this._showOriginalContent = !this._showOriginalContent; |
| 299 | } |
| 300 | |
| 301 | /** |
| 302 | * Change if deleted content for a comment is shown or not. |
| 303 | */ |
| 304 | _toggleHideDeletedComment() { |
| 305 | this._isExpandedIfDeleted = !this._isExpandedIfDeleted; |
| 306 | } |
| 307 | } |
| 308 | |
| 309 | /** |
| 310 | * Says whether a comment should be shown or not. |
| 311 | * @param {boolean} isExpandedIfDeleted If the user has chosen to see the |
| 312 | * deleted comment. |
| 313 | * @param {IssueComment} comment |
| 314 | * @return {boolean} If the comment should be shown. |
| 315 | */ |
| 316 | function _shouldShowComment(isExpandedIfDeleted, comment) { |
| 317 | return !comment.isDeleted || isExpandedIfDeleted; |
| 318 | } |
| 319 | |
| 320 | /** |
| 321 | * Whether the user can view additional comment options like flagging or |
| 322 | * deleting. |
| 323 | * @param {IssueComment} comment |
| 324 | * @return {boolean} |
| 325 | */ |
| 326 | function _shouldOfferCommentOptions(comment) { |
| 327 | return comment.canDelete || comment.canFlag; |
| 328 | } |
| 329 | |
| 330 | /** |
| 331 | * Whether a user has permission to view a given deleted comment. |
| 332 | * @param {IssueComment} comment |
| 333 | * @return {boolean} |
| 334 | */ |
| 335 | function _canExpandDeletedComment(comment) { |
| 336 | return ((comment.isSpam && comment.canFlag) || |
| 337 | (comment.isDeleted && comment.canDelete)); |
| 338 | } |
| 339 | |
| 340 | /** |
| 341 | * Deletes a given comment or undeletes it if it's already deleted. |
| 342 | * @param {IssueComment} comment The comment to delete. |
| 343 | */ |
| 344 | async function _deleteComment(comment) { |
| 345 | const issueRef = { |
| 346 | projectName: comment.projectName, |
| 347 | localId: comment.localId, |
| 348 | }; |
| 349 | await prpcClient.call('monorail.Issues', 'DeleteIssueComment', { |
| 350 | issueRef, |
| 351 | sequenceNum: comment.sequenceNum, |
| 352 | delete: comment.isDeleted === undefined, |
| 353 | }); |
| 354 | store.dispatch(issueV0.fetchComments(issueRef)); |
| 355 | } |
| 356 | |
| 357 | /** |
| 358 | * Sends a request to flag a comment as spam. Flags or unflags based on |
| 359 | * the comments existing isSpam state. |
| 360 | * @param {IssueComment} comment The comment to flag. |
| 361 | */ |
| 362 | async function _flagComment(comment) { |
| 363 | const issueRef = { |
| 364 | projectName: comment.projectName, |
| 365 | localId: comment.localId, |
| 366 | }; |
| 367 | await prpcClient.call('monorail.Issues', 'FlagComment', { |
| 368 | issueRef, |
| 369 | sequenceNum: comment.sequenceNum, |
| 370 | flag: comment.isSpam === undefined, |
| 371 | }); |
| 372 | store.dispatch(issueV0.fetchComments(issueRef)); |
| 373 | } |
| 374 | |
| 375 | /** |
| 376 | * Finds if a given change in a comment contains issues (ie: for Blocking or |
| 377 | * BlockedOn edits), then formats those issues into a list to be rendered by the |
| 378 | * frontend. |
| 379 | * @param {Amendment} delta |
| 380 | * @param {string} projectName The project name the user is currently viewing. |
| 381 | * @return {Array<{issue: Issue, text: string}>} |
| 382 | */ |
| 383 | function _issuesForAmendment(delta, projectName) { |
| 384 | if (!_amendmentHasIssueRefs(delta.fieldName) || |
| 385 | !delta.newOrDeltaValue) { |
| 386 | return []; |
| 387 | } |
| 388 | // TODO(ehmaldonado): Request the issue to check for permissions and display |
| 389 | // the issue summary. |
| 390 | return delta.newOrDeltaValue.split(' ').map((deltaValue) => { |
| 391 | let refString = deltaValue; |
| 392 | |
| 393 | // When an issue is removed, its ID is prepended with a minus sign. |
| 394 | if (refString.startsWith('-')) { |
| 395 | refString = refString.substr(1); |
| 396 | } |
| 397 | const issueRef = issueStringToRef(refString, projectName); |
| 398 | return { |
| 399 | issue: { |
| 400 | ...issueRef, |
| 401 | }, |
| 402 | text: deltaValue, |
| 403 | }; |
| 404 | }); |
| 405 | } |
| 406 | |
| 407 | /** |
| 408 | * Check if a field is one of the field types that accepts issues as input. |
| 409 | * @param {string} fieldName |
| 410 | * @return {boolean} If the field contains issues. |
| 411 | */ |
| 412 | function _amendmentHasIssueRefs(fieldName) { |
| 413 | return ISSUE_REF_FIELD_NAMES.includes(fieldName); |
| 414 | } |
| 415 | |
| 416 | customElements.define('mr-comment', MrComment); |