Files
discourse/app/assets/javascripts/discourse/controllers/topic.js.es6

1216 lines
33 KiB
JavaScript

import BufferedContent from "discourse/mixins/buffered-content";
import Composer from "discourse/models/composer";
import DiscourseURL from "discourse/lib/url";
import Post from "discourse/models/post";
import Quote from "discourse/lib/quote";
import QuoteState from "discourse/lib/quote-state";
import Topic from "discourse/models/topic";
import debounce from "discourse/lib/debounce";
import isElementInViewport from "discourse/lib/is-element-in-viewport";
import { ajax } from "discourse/lib/ajax";
import {
default as computed,
observes
} from "ember-addons/ember-computed-decorators";
import { extractLinkMeta } from "discourse/lib/render-topic-featured-link";
import { popupAjaxError } from "discourse/lib/ajax-error";
import { spinnerHTML } from "discourse/helpers/loading-spinner";
import { userPath } from "discourse/lib/url";
import showModal from "discourse/lib/show-modal";
let customPostMessageCallbacks = {};
export function resetCustomPostMessageCallbacks() {
customPostMessageCallbacks = {};
}
export function registerCustomPostMessageCallback(type, callback) {
if (customPostMessageCallbacks[type]) {
throw new Error(`Error ${type} is an already registered post message!`);
}
customPostMessageCallbacks[type] = callback;
}
export default Ember.Controller.extend(BufferedContent, {
composer: Ember.inject.controller(),
application: Ember.inject.controller(),
multiSelect: false,
selectedPostIds: null,
editingTopic: false,
queryParams: ["filter", "username_filters"],
loadedAllPosts: Ember.computed.or(
"model.postStream.loadedAllPosts",
"model.postStream.loadingLastPost"
),
enteredAt: null,
enteredIndex: null,
retrying: false,
userTriggeredProgress: null,
_progressIndex: null,
hasScrolled: null,
username_filters: null,
filter: null,
quoteState: null,
canRemoveTopicFeaturedLink: Ember.computed.and(
"canEditTopicFeaturedLink",
"buffered.featured_link"
),
updateQueryParams() {
this.setProperties(this.get("model.postStream.streamFilters"));
},
@observes("model.title", "category")
_titleChanged() {
const title = this.get("model.title");
if (!Ember.isEmpty(title)) {
// force update lazily loaded titles
this.send("refreshTitle");
}
},
@computed("model.postStream.loaded", "model.category_id")
showSharedDraftControls(loaded, categoryId) {
let draftCat = this.site.shared_drafts_category_id;
return loaded && draftCat && categoryId && draftCat === categoryId;
},
@computed("site.mobileView", "model.posts_count")
showSelectedPostsAtBottom(mobileView, postsCount) {
return mobileView && postsCount > 3;
},
@computed("model.postStream.posts", "model.postStream.postsWithPlaceholders")
postsToRender(posts, postsWithPlaceholders) {
return this.capabilities.isAndroid ? posts : postsWithPlaceholders;
},
@computed("model.postStream.loadingFilter")
androidLoading(loading) {
return this.capabilities.isAndroid && loading;
},
@computed("model")
pmPath(topic) {
return this.currentUser && this.currentUser.pmPath(topic);
},
init() {
this._super();
this.setProperties({
selectedPostIds: [],
quoteState: new QuoteState()
});
},
showCategoryChooser: Ember.computed.not("model.isPrivateMessage"),
gotoInbox(name) {
let url = userPath(this.get("currentUser.username_lower") + "/messages");
if (name) {
url = url + "/group/" + name;
}
DiscourseURL.routeTo(url);
},
@computed
selectedQuery() {
return post => this.postSelected(post);
},
@computed("model.isPrivateMessage", "model.category.id")
canEditTopicFeaturedLink(isPrivateMessage, categoryId) {
if (!this.siteSettings.topic_featured_link_enabled || isPrivateMessage) {
return false;
}
const categoryIds = this.site.get(
"topic_featured_link_allowed_category_ids"
);
return (
categoryIds === undefined ||
!categoryIds.length ||
categoryIds.includes(categoryId)
);
},
@computed("model")
featuredLinkDomain(topic) {
return extractLinkMeta(topic).domain;
},
@computed("model.isPrivateMessage")
canEditTags(isPrivateMessage) {
return (
this.site.get("can_tag_topics") &&
(!isPrivateMessage || this.site.get("can_tag_pms"))
);
},
actions: {
showPostFlags(post) {
return this.send("showFlags", post);
},
topicRouteAction(name, model) {
return this.send(name, model);
},
openFeatureTopic() {
this.send("showFeatureTopic");
},
selectText(postId, buffer) {
return this.get("model.postStream")
.loadPost(postId)
.then(post => {
const composer = this.get("composer");
const viewOpen = composer.get("model.viewOpen");
const quotedText = Quote.build(post, buffer);
// If we can't create a post, delegate to reply as new topic
if (!viewOpen && !this.get("model.details.can_create_post")) {
this.send("replyAsNewTopic", post, quotedText);
return;
}
const composerOpts = {
action: Composer.REPLY,
draftKey: post.get("topic.draft_key")
};
if (post.get("post_number") === 1) {
composerOpts.topic = post.get("topic");
} else {
composerOpts.post = post;
}
// If the composer is associated with a different post, we don't change it.
const composerPost = composer.get("model.post");
if (composerPost && composerPost.get("id") !== this.get("post.id")) {
composerOpts.post = composerPost;
}
composerOpts.quote = quotedText;
if (composer.get("model.viewOpen")) {
this.appEvents.trigger("composer:insert-block", quotedText);
} else if (composer.get("model.viewDraft")) {
const model = composer.get("model");
model.set("reply", model.get("reply") + quotedText);
composer.send("openIfDraft");
} else {
composer.open(composerOpts);
}
});
},
fillGapBefore(args) {
return this.get("model.postStream").fillGapBefore(args.post, args.gap);
},
fillGapAfter(args) {
return this.get("model.postStream").fillGapAfter(args.post, args.gap);
},
currentPostChanged(event) {
const { post } = event;
if (!post) {
return;
}
const postNumber = post.get("post_number");
const topic = this.get("model");
topic.set("currentPost", postNumber);
if (postNumber > (topic.get("last_read_post_number") || 0)) {
topic.set("last_read_post_id", post.get("id"));
topic.set("last_read_post_number", postNumber);
}
this.send("postChangedRoute", postNumber);
this._progressIndex = topic.get("postStream").progressIndexOfPost(post);
this.appEvents.trigger("topic:current-post-changed", { post });
},
currentPostScrolled(event) {
const total = this.get("model.postStream.filteredPostsCount");
const percent =
parseFloat(this._progressIndex + event.percent - 1) / total;
this.appEvents.trigger("topic:current-post-scrolled", {
postIndex: this._progressIndex,
percent: Math.max(Math.min(percent, 1.0), 0.0)
});
},
// Called when the topmost visible post on the page changes.
topVisibleChanged(event) {
const { post, refresh } = event;
if (!post) {
return;
}
const postStream = this.get("model.postStream");
const firstLoadedPost = postStream.get("posts.firstObject");
if (post.get("post_number") === 1) {
return;
}
if (firstLoadedPost && firstLoadedPost === post) {
postStream.prependMore().then(() => refresh());
}
},
// Called the the bottommost visible post on the page changes.
bottomVisibleChanged(event) {
const { post, refresh } = event;
const postStream = this.get("model.postStream");
const lastLoadedPost = postStream.get("posts.lastObject");
if (
lastLoadedPost &&
lastLoadedPost === post &&
postStream.get("canAppendMore")
) {
postStream.appendMore().then(() => refresh());
// show loading stuff
refresh();
}
},
toggleSummary() {
return this.get("model.postStream")
.toggleSummary()
.then(() => {
this.updateQueryParams();
});
},
removeAllowedUser(user) {
return this.get("model.details")
.removeAllowedUser(user)
.then(() => {
if (this.currentUser.id === user.id) {
this.transitionToRoute("userPrivateMessages", user);
}
});
},
removeAllowedGroup(group) {
return this.get("model.details").removeAllowedGroup(group);
},
deleteTopic() {
this.deleteTopic();
},
// Archive a PM (as opposed to archiving a topic)
toggleArchiveMessage() {
const topic = this.get("model");
if (topic.get("archiving")) {
return;
}
const backToInbox = () => this.gotoInbox(topic.get("inboxGroupName"));
if (topic.get("message_archived")) {
topic.moveToInbox().then(backToInbox);
} else {
topic.archiveMessage().then(backToInbox);
}
},
editFirstPost() {
const postStream = this.get("model.postStream");
let firstPost = postStream.get("posts.firstObject");
if (firstPost.get("post_number") !== 1) {
const postId = postStream.findPostIdForPostNumber(1);
// try loading from identity map first
firstPost = postStream.findLoadedPost(postId);
if (firstPost === undefined) {
return this.get("model.postStream")
.loadPost(postId)
.then(post => {
this.send("editPost", post);
});
}
}
this.send("editPost", firstPost);
},
// Post related methods
replyToPost(post) {
const composerController = this.get("composer");
const topic = post ? post.get("topic") : this.get("model");
const quoteState = this.get("quoteState");
const postStream = this.get("model.postStream");
if (!postStream || !topic || !topic.get("details.can_create_post")) {
return;
}
const quotedPost = postStream.findLoadedPost(quoteState.postId);
const quotedText = Quote.build(quotedPost, quoteState.buffer);
quoteState.clear();
if (
composerController.get("content.topic.id") === topic.get("id") &&
composerController.get("content.action") === Composer.REPLY
) {
composerController.set("content.post", post);
composerController.set("content.composeState", Composer.OPEN);
this.appEvents.trigger("composer:insert-block", quotedText.trim());
} else {
const opts = {
action: Composer.REPLY,
draftKey: topic.get("draft_key"),
draftSequence: topic.get("draft_sequence")
};
if (quotedText) {
opts.quote = quotedText;
}
if (post && post.get("post_number") !== 1) {
opts.post = post;
} else {
opts.topic = topic;
}
composerController.open(opts);
}
return false;
},
recoverPost(post) {
post.get("post_number") === 1 ? this.recoverTopic() : post.recover();
},
deletePost(post) {
if (post.get("post_number") === 1) {
return this.deleteTopic();
} else if (!post.can_delete) {
return false;
}
const user = this.currentUser;
const refresh = () => this.appEvents.trigger("post-stream:refresh");
const hasReplies = post.get("reply_count") > 0;
const loadedPosts = this.get("model.postStream.posts");
if (user.get("staff") && hasReplies) {
ajax(`/posts/${post.id}/reply-ids.json`).then(replies => {
const buttons = [];
buttons.push({
label: I18n.t("cancel"),
class: "btn-danger right"
});
buttons.push({
label: I18n.t("post.controls.delete_replies.just_the_post"),
callback() {
post
.destroy(user)
.then(refresh)
.catch(error => {
popupAjaxError(error);
post.undoDeleteState();
});
}
});
if (replies.some(r => r.level > 1)) {
buttons.push({
label: I18n.t("post.controls.delete_replies.all_replies", {
count: replies.length
}),
callback() {
loadedPosts.forEach(
p =>
(p === post || replies.some(r => r.id === p.id)) &&
p.setDeletedState(user)
);
Post.deleteMany([post.id, ...replies.map(r => r.id)])
.then(refresh)
.catch(popupAjaxError);
}
});
}
const directReplyIds = replies
.filter(r => r.level === 1)
.map(r => r.id);
buttons.push({
label: I18n.t("post.controls.delete_replies.direct_replies", {
count: directReplyIds.length
}),
class: "btn-primary",
callback() {
loadedPosts.forEach(
p =>
(p === post || directReplyIds.includes(p.id)) &&
p.setDeletedState(user)
);
Post.deleteMany([post.id, ...directReplyIds])
.then(refresh)
.catch(popupAjaxError);
}
});
bootbox.dialog(
I18n.t("post.controls.delete_replies.confirm"),
buttons
);
});
} else {
return post
.destroy(user)
.then(refresh)
.catch(error => {
popupAjaxError(error);
post.undoDeleteState();
});
}
},
editPost(post) {
if (!this.currentUser) {
return bootbox.alert(I18n.t("post.controls.edit_anonymous"));
} else if (!post.can_edit) {
return false;
}
const composer = this.get("composer");
let topic = this.get("model");
const composerModel = composer.get("model");
let editingFirst =
composerModel &&
(post.get("firstPost") || composerModel.get("editingFirstPost"));
let editingSharedDraft = false;
let draftsCategoryId = this.get("site.shared_drafts_category_id");
if (draftsCategoryId && draftsCategoryId === topic.get("category.id")) {
editingSharedDraft = post.get("firstPost");
}
const opts = {
post,
action: editingSharedDraft ? Composer.EDIT_SHARED_DRAFT : Composer.EDIT,
draftKey: post.get("topic.draft_key"),
draftSequence: post.get("topic.draft_sequence")
};
if (editingSharedDraft) {
opts.destinationCategoryId = topic.get("destination_category_id");
}
// Cancel and reopen the composer for the first post
if (editingFirst) {
composer.cancelComposer().then(() => composer.open(opts));
} else {
composer.open(opts);
}
},
toggleBookmark(post) {
if (!this.currentUser) {
return bootbox.alert(I18n.t("bookmarks.not_bookmarked"));
} else if (post) {
return post.toggleBookmark().catch(popupAjaxError);
} else {
return this.get("model")
.toggleBookmark()
.then(changedIds => {
if (!changedIds) {
return;
}
changedIds.forEach(id =>
this.appEvents.trigger("post-stream:refresh", { id })
);
});
}
},
jumpToIndex(index) {
this._jumpToIndex(index);
},
jumpToPostPrompt() {
const topic = this.get("model");
const controller = showModal("jump-to-post");
controller.setProperties({
topic: topic,
postNumber: null,
jumpToIndex: index => {
this.send("jumpToIndex", index);
}
});
},
jumpToPost(postNumber) {
const postStream = this.get("model.postStream");
let postId = postStream.findPostIdForPostNumber(postNumber);
// If we couldn't find the post, find the closest post to it
if (!postId) {
const closest = postStream.closestPostNumberFor(postNumber);
postId = postStream.findPostIdForPostNumber(closest);
}
this._jumpToPostId(postId);
},
jumpTop() {
DiscourseURL.routeTo(this.get("model.firstPostUrl"), {
skipIfOnScreen: false
});
},
jumpBottom() {
DiscourseURL.routeTo(this.get("model.lastPostUrl"), {
skipIfOnScreen: false
});
},
jumpUnread() {
this._jumpToPostId(this.get("model.last_read_post_id"));
},
jumpToPostId(postId) {
this._jumpToPostId(postId);
},
toggleMultiSelect() {
this.toggleProperty("multiSelect");
this.appEvents.trigger("post-stream:refresh", { force: true });
},
selectAll() {
this.set("selectedPostIds", [...this.get("model.postStream.stream")]);
this.appEvents.trigger("post-stream:refresh", { force: true });
},
deselectAll() {
this.set("selectedPostIds", []);
this.appEvents.trigger("post-stream:refresh", { force: true });
},
togglePostSelection(post) {
const selected = this.get("selectedPostIds");
selected.includes(post.id)
? selected.removeObject(post.id)
: selected.addObject(post.id);
},
selectReplies(post) {
ajax(`/posts/${post.id}/reply-ids.json`).then(replies => {
const replyIds = replies.map(r => r.id);
this.get("selectedPostIds").pushObjects([post.id, ...replyIds]);
this.appEvents.trigger("post-stream:refresh", { force: true });
});
},
selectBelow(post) {
const stream = [...this.get("model.postStream.stream")];
const below = stream.slice(stream.indexOf(post.id));
this.get("selectedPostIds").pushObjects(below);
this.appEvents.trigger("post-stream:refresh", { force: true });
},
deleteSelected() {
const user = this.currentUser;
bootbox.confirm(
I18n.t("post.delete.confirm", {
count: this.get("selectedPostsCount")
}),
result => {
if (result) {
// If all posts are selected, it's the same thing as deleting the topic
if (this.get("selectedAllPosts")) return this.deleteTopic();
Post.deleteMany(this.get("selectedPostIds"));
this.get("model.postStream.posts").forEach(
p => this.postSelected(p) && p.setDeletedState(user)
);
this.send("toggleMultiSelect");
}
}
);
},
mergePosts() {
bootbox.confirm(
I18n.t("post.merge.confirm", { count: this.get("selectedPostsCount") }),
result => {
if (result) {
Post.mergePosts(this.get("selectedPostIds"));
this.send("toggleMultiSelect");
}
}
);
},
changePostOwner(post) {
this.set("selectedPostIds", [post.id]);
this.send("changeOwner");
},
lockPost(post) {
return post.updatePostField("locked", true);
},
unlockPost(post) {
return post.updatePostField("locked", false);
},
grantBadge(post) {
this.set("selectedPostIds", [post.id]);
this.send("showGrantBadgeModal");
},
toggleParticipant(user) {
this.get("model.postStream")
.toggleParticipant(user.get("username"))
.then(() => this.updateQueryParams);
},
editTopic() {
if (this.get("model.details.can_edit")) {
this.set("editingTopic", true);
}
return false;
},
cancelEditingTopic() {
this.set("editingTopic", false);
this.rollbackBuffer();
},
finishedEditingTopic() {
if (!this.get("editingTopic")) {
return;
}
// save the modifications
const props = this.get("buffered.buffer");
Topic.update(this.get("model"), props)
.then(() => {
// We roll back on success here because `update` saves the properties to the topic
this.rollbackBuffer();
this.set("editingTopic", false);
})
.catch(popupAjaxError);
},
expandHidden(post) {
return post.expandHidden();
},
toggleVisibility() {
this.get("content").toggleStatus("visible");
},
toggleClosed() {
const topic = this.get("content");
this.get("content")
.toggleStatus("closed")
.then(result => {
topic.set("topic_status_update", result.topic_status_update);
});
},
recoverTopic() {
this.get("content").recover();
},
makeBanner() {
this.get("content").makeBanner();
},
removeBanner() {
this.get("content").removeBanner();
},
togglePinned() {
const value = this.get("model.pinned_at") ? false : true,
topic = this.get("content"),
until = this.get("model.pinnedInCategoryUntil");
// optimistic update
topic.setProperties({
pinned_at: value ? moment() : null,
pinned_globally: false,
pinned_until: value ? until : null
});
return topic.saveStatus("pinned", value, until);
},
pinGlobally() {
const topic = this.get("content"),
until = this.get("model.pinnedGloballyUntil");
// optimistic update
topic.setProperties({
pinned_at: moment(),
pinned_globally: true,
pinned_until: until
});
return topic.saveStatus("pinned_globally", true, until);
},
toggleArchived() {
this.get("content").toggleStatus("archived");
},
clearPin() {
this.get("content").clearPin();
},
togglePinnedForUser() {
if (this.get("model.pinned_at")) {
const topic = this.get("content");
if (topic.get("pinned")) {
topic.clearPin();
} else {
topic.rePin();
}
}
},
replyAsNewTopic(post, quotedText) {
const composerController = this.get("composer");
const { quoteState } = this;
quotedText = quotedText || Quote.build(post, quoteState.buffer);
quoteState.clear();
var options;
if (this.get("model.isPrivateMessage")) {
let users = this.get("model.details.allowed_users");
let groups = this.get("model.details.allowed_groups");
let usernames = [];
users.forEach(user => usernames.push(user.username));
groups.forEach(group => usernames.push(group.name));
usernames = usernames.join();
options = {
action: Composer.PRIVATE_MESSAGE,
archetypeId: "private_message",
draftKey: Composer.REPLY_AS_NEW_PRIVATE_MESSAGE_KEY,
usernames: usernames
};
} else {
options = {
action: Composer.CREATE_TOPIC,
draftKey: Composer.REPLY_AS_NEW_TOPIC_KEY,
categoryId: this.get("model.category.id")
};
}
composerController
.open(options)
.then(() => {
return Em.isEmpty(quotedText) ? "" : quotedText;
})
.then(q => {
const postUrl = `${location.protocol}//${location.host}${post.get(
"url"
)}`;
const postLink = `[${Handlebars.escapeExpression(
this.get("model.title")
)}](${postUrl})`;
composerController
.get("model")
.prependText(
`${I18n.t("post.continue_discussion", { postLink })}\n\n${q}`,
{ new_line: true }
);
});
},
retryLoading() {
this.set("retrying", true);
const rollback = () => this.set("retrying", false);
this.get("model.postStream")
.refresh()
.then(rollback, rollback);
},
toggleWiki(post) {
return post.updatePostField("wiki", !post.get("wiki"));
},
togglePostType(post) {
const regular = this.site.get("post_types.regular");
const moderator = this.site.get("post_types.moderator_action");
return post.updatePostField(
"post_type",
post.get("post_type") === moderator ? regular : moderator
);
},
rebakePost(post) {
return post.rebake();
},
unhidePost(post) {
return post.unhide();
},
convertToPublicTopic() {
this.get("content").convertTopic("public");
},
convertToPrivateMessage() {
this.get("content").convertTopic("private");
},
removeFeaturedLink() {
this.set("buffered.featured_link", null);
}
},
_jumpToIndex(index) {
const stream = this.get("model.postStream.stream");
index = Math.max(1, Math.min(stream.length, index));
this._jumpToPostId(stream[index - 1]);
},
_jumpToPostId(postId) {
if (!postId) {
Ember.Logger.warn(
"jump-post code broken - requested an index outside the stream array"
);
return;
}
this.appEvents.trigger("topic:jump-to-post", postId);
const topic = this.get("model");
const postStream = topic.get("postStream");
const post = postStream.findLoadedPost(postId);
if (post) {
DiscourseURL.routeTo(topic.urlForPostNumber(post.get("post_number")));
} else {
// need to load it
postStream.findPostsByIds([postId]).then(arr => {
DiscourseURL.routeTo(topic.urlForPostNumber(arr[0].get("post_number")));
});
}
},
togglePinnedState() {
this.send("togglePinnedForUser");
},
print() {
if (this.siteSettings.max_prints_per_hour_per_user > 0) {
window.open(
this.get("model.printUrl"),
"",
"menubar=no,toolbar=no,resizable=yes,scrollbars=yes,width=600,height=315"
);
}
},
hasError: Ember.computed.or("model.notFoundHtml", "model.message"),
noErrorYet: Ember.computed.not("hasError"),
categories: Ember.computed.alias("site.categoriesList"),
selectedPostsCount: Ember.computed.alias("selectedPostIds.length"),
@computed(
"selectedPostIds",
"model.postStream.posts",
"selectedPostIds.[]",
"model.postStream.posts.[]"
)
selectedPosts(selectedPostIds, loadedPosts) {
return selectedPostIds
.map(id => loadedPosts.find(p => p.id === id))
.filter(post => post !== undefined);
},
@computed("selectedPostsCount", "selectedPosts", "selectedPosts.[]")
selectedPostsUsername(selectedPostsCount, selectedPosts) {
if (selectedPosts.length < 1 || selectedPostsCount > selectedPosts.length) {
return undefined;
}
const username = selectedPosts[0].username;
return selectedPosts.every(p => p.username === username)
? username
: undefined;
},
@computed("selectedPostsCount", "model.postStream.stream.length")
selectedAllPosts(selectedPostsCount, postsCount) {
return selectedPostsCount >= postsCount;
},
canSelectAll: Ember.computed.not("selectedAllPosts"),
canDeselectAll: Ember.computed.alias("selectedAllPosts"),
@computed(
"currentUser.staff",
"selectedPostsCount",
"selectedAllPosts",
"selectedPosts",
"selectedPosts.[]"
)
canDeleteSelected(
isStaff,
selectedPostsCount,
selectedAllPosts,
selectedPosts
) {
return (
selectedPostsCount > 0 &&
((selectedAllPosts && isStaff) || selectedPosts.every(p => p.can_delete))
);
},
@computed(
"canMergeTopic",
"selectedAllPosts",
"selectedPosts",
"selectedPosts.[]"
)
canSplitTopic(canMergeTopic, selectedAllPosts, selectedPosts) {
return (
canMergeTopic &&
!selectedAllPosts &&
selectedPosts.length > 0 &&
selectedPosts.sort((a, b) => a.post_number - b.post_number)[0]
.post_type === 1
);
},
@computed("model.details.can_move_posts", "selectedPostsCount")
canMergeTopic(canMovePosts, selectedPostsCount) {
return canMovePosts && selectedPostsCount > 0;
},
@computed("currentUser.admin", "selectedPostsCount", "selectedPostsUsername")
canChangeOwner(isAdmin, selectedPostsCount, selectedPostsUsername) {
return (
isAdmin && selectedPostsCount > 0 && selectedPostsUsername !== undefined
);
},
@computed(
"selectedPostsCount",
"selectedPostsUsername",
"selectedPosts",
"selectedPosts.[]"
)
canMergePosts(selectedPostsCount, selectedPostsUsername, selectedPosts) {
return (
selectedPostsCount > 1 &&
selectedPostsUsername !== undefined &&
selectedPosts.every(p => p.can_delete)
);
},
@observes("multiSelect")
_multiSelectChanged() {
this.set("selectedPostIds", []);
},
postSelected(post) {
return (
this.get("selectedAllPost") ||
this.get("selectedPostIds").includes(post.id)
);
},
@computed
loadingHTML() {
return spinnerHTML;
},
recoverTopic() {
this.get("content").recover();
},
deleteTopic() {
this.get("content").destroy(this.currentUser);
},
subscribe() {
this.unsubscribe();
const refresh = args => this.appEvents.trigger("post-stream:refresh", args);
this.messageBus.subscribe(
`/topic/${this.get("model.id")}`,
data => {
const topic = this.get("model");
if (Ember.isPresent(data.notification_level_change)) {
topic.set(
"details.notification_level",
data.notification_level_change
);
topic.set(
"details.notifications_reason_id",
data.notifications_reason_id
);
return;
}
const postStream = this.get("model.postStream");
if (data.reload_topic) {
topic.reload().then(() => {
this.send("postChangedRoute", topic.get("post_number") || 1);
this.appEvents.trigger("header:update-topic", topic);
if (data.refresh_stream) postStream.refresh();
});
return;
}
switch (data.type) {
case "acted":
postStream
.triggerChangedPost(data.id, data.updated_at, {
preserveCooked: true
})
.then(() => refresh({ id: data.id, refreshLikes: true }));
break;
case "revised":
case "rebaked": {
postStream
.triggerChangedPost(data.id, data.updated_at)
.then(() => refresh({ id: data.id }));
break;
}
case "deleted": {
postStream
.triggerDeletedPost(data.id)
.then(() => refresh({ id: data.id }));
break;
}
case "recovered": {
postStream
.triggerRecoveredPost(data.id)
.then(() => refresh({ id: data.id }));
break;
}
case "created": {
postStream.triggerNewPostInStream(data.id).then(() => refresh());
if (this.get("currentUser.id") !== data.user_id) {
Discourse.notifyBackgroundCountIncrement();
}
break;
}
case "move_to_inbox": {
topic.set("message_archived", false);
break;
}
case "archived": {
topic.set("message_archived", true);
break;
}
default: {
let callback = customPostMessageCallbacks[data.type];
if (callback) {
callback(this, data);
} else {
Em.Logger.warn("unknown topic bus message type", data);
}
}
}
if (
topic.get("isPrivateMessage") &&
this.currentUser &&
this.currentUser.get("id") !== data.user_id &&
data.type === "created"
) {
const postNumber = data.post_number;
const notInPostStream =
topic.get("highest_post_number") <= postNumber;
const postNumberDifference = postNumber - topic.get("currentPost");
if (
notInPostStream &&
postNumberDifference > 0 &&
postNumberDifference < 7
) {
this._scrollToPost(data.post_number);
}
}
},
this.get("model.message_bus_last_id")
);
},
_scrollToPost: debounce(function(postNumber) {
const $post = $(`.topic-post article#post_${postNumber}`);
if ($post.length === 0 || isElementInViewport($post)) return;
$("body").animate({ scrollTop: $post.offset().top }, 1000);
}, 500),
unsubscribe() {
// never unsubscribe when navigating from topic to topic
if (!this.get("content.id")) return;
this.messageBus.unsubscribe("/topic/*");
},
reply() {
this.replyToPost();
},
readPosts(topicId, postNumbers) {
const topic = this.get("model");
const postStream = topic.get("postStream");
if (topic.get("id") === topicId) {
postStream.get("posts").forEach(post => {
if (!post.read && postNumbers.includes(post.post_number)) {
post.set("read", true);
this.appEvents.trigger("post-stream:refresh", { id: post.get("id") });
}
});
if (
this.siteSettings.automatically_unpin_topics &&
this.currentUser &&
this.currentUser.automatically_unpin_topics
) {
// automatically unpin topics when the user reaches the bottom
const max = _.max(postNumbers);
if (topic.get("pinned") && max >= topic.get("highest_post_number")) {
Ember.run.next(() => topic.clearPin());
}
}
}
},
@observes("model.postStream.loaded", "model.postStream.loadedAllPosts")
_showFooter() {
const showFooter =
this.get("model.postStream.loaded") &&
this.get("model.postStream.loadedAllPosts");
this.set("application.showFooter", showFooter);
}
});