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"use strict";
const router = require("../router.js");
const api = require("../api.js");
const settings = require("../models/settings.js");
const tags = require("../tags.js");
const uri = require("../util/uri.js");
const PostList = require("../models/post_list.js");
const topNavigation = require("../models/top_navigation.js");
const PageController = require("../controllers/page_controller.js");
const PostsHeaderView = require("../views/posts_header_view.js");
const PostsPageView = require("../views/posts_page_view.js");
const EmptyView = require("../views/empty_view.js");
const fields = [
"id",
"thumbnailUrl",
"type",
"safety",
"score",
"favoriteCount",
"commentCount",
"tags",
"version",
];
class PostListController {
constructor(ctx) {
this._pageController = new PageController();
if (!api.hasPrivilege("posts:list")) {
this._view = new EmptyView();
this._view.showError("You don't have privileges to view posts.");
return;
}
this._ctx = ctx;
topNavigation.activate("posts");
topNavigation.setTitle("Listing posts");
this._headerView = new PostsHeaderView({
hostNode: this._pageController.view.pageHeaderHolderNode,
parameters: ctx.parameters,
isLoggedIn: api.isLoggedIn(),
enableSafety: api.safetyEnabled(),
canBulkEditTags: api.hasPrivilege("posts:bulk-edit:tags"),
canBulkEditSafety: api.hasPrivilege("posts:bulk-edit:safety"),
canViewMetrics: api.hasPrivilege("metrics:list"),
bulkEdit: {
tags: this._bulkEditTags,
},
});
this._headerView.addEventListener("navigate", (e) =>
this._evtNavigate(e)
);
this._syncPageController();
}
showSuccess(message) {
this._pageController.showSuccess(message);
}
showError(message) {
this._pageController.showError(message);
}
get _bulkEditTags() {
return (this._ctx.parameters.tag || "").split(/\s+/).filter((s) => s);
}
get _bulkEditRelationsIds() {
return (this._ctx.parameters.relations || "").split(/\s+/).filter(s => s)
.map(id => parseInt(id));
}
_evtNavigate(e) {
router.showNoDispatch(
uri.formatClientLink("posts", e.detail.parameters)
);
Object.assign(this._ctx.parameters, e.detail.parameters);
this._bulkEditTags.map((tagName) =>
tags.resolveTagAndCategory(tagName)
.catch((error) => window.alert(error.message))
);
this._syncPageController();
}
_evtTag(e) {
Promise.all(
this._bulkEditTags.map((tag) => {
let tagData = tags.parseTagAndCategory(tag);
return e.detail.post.tags.addByName(tagData.name);
})
)
.then(e.detail.post.save())
.catch((error) => window.alert(error.message));
}
_evtUntag(e) {
for (let tag of this._bulkEditTags) {
let tagData = tags.parseTagAndCategory(tag);
e.detail.post.tags.removeByName(tagData.name);
}
e.detail.post.save().catch((error) => window.alert(error.message));
}
_evtChangeSafety(e) {
e.detail.post.safety = e.detail.safety;
e.detail.post.save().catch((error) => window.alert(error.message));
}
_evtAddRelation(e) {
let addedPost = e.detail.post;
// If we're just starting to build this instance of relations,
// use the first post's list:
let relations = this._bulkEditRelationsIds || addedPost.relations;
for (let relationId of relations) {
addedPost.relations.push(relationId);
}
// Only save the updated post, the relationship will propagate to
// others automatically
addedPost.save().catch((error) => window.alert(error.message));
relations.push(addedPost.id);
this._updateRelationsForBulkEdit(relations);
}
_evtRemoveRelation(e) {
let removedPost = e.detail.post;
let relations = this._bulkEditRelationsIds;
removedPost.relations = removedPost.relations
.filter((id)=> !relations.some((relationId) => relationId == id));
// Only save the updated post, the relationship will propagate to others automatically
removedPost.save().catch((error) => window.alert(error.message));
relations = relations.filter((id) => id != removedPost.id);
this._updateRelationsForBulkEdit(relations);
}
_updateRelationsForBulkEdit(relations) {
//Whitespace instead of empty string so that it stays part of the query:
this._ctx.parameters.relations = relations.join(" ") || " ";
}
_syncPageController() {
this._pageController.run({
parameters: this._ctx.parameters,
browserState: this._ctx.state,
defaultLimit: parseInt(settings.get().postsPerPage),
getClientUrlForPage: (offset, limit) => {
const parameters = Object.assign({}, this._ctx.parameters, {
offset: offset,
limit: limit,
});
return uri.formatClientLink("posts", parameters);
},
requestPage: (offset, limit) => {
let query = uri.getPostsQuery(this._ctx.parameters);
return PostList.search(
query,
offset,
limit,
fields,
this._ctx.parameters.cachenumber
);
},
pageRenderer: (pageCtx) => {
Object.assign(pageCtx, {
canViewPosts: api.hasPrivilege("posts:view"),
canBulkEditTags: api.hasPrivilege("posts:bulk-edit:tags"),
canBulkEditSafety: api.hasPrivilege(
"posts:bulk-edit:safety"
),
canViewMetrics: api.hasPrivilege("metrics:list"),
bulkEdit: {
tags: this._bulkEditTags,
relations: this._ctx.parameters.relations,
},
postFlow: settings.get().postFlow,
});
const view = new PostsPageView(pageCtx);
view.addEventListener("tag", (e) => this._evtTag(e));
view.addEventListener("untag", (e) => this._evtUntag(e));
view.addEventListener("changeSafety", (e) =>
this._evtChangeSafety(e)
);
view.addEventListener("addRelation", (e) =>
this._evtAddRelation(e)
);
view.addEventListener("removeRelation", (e) =>
this._evtRemoveRelation(e)
);
return view;
},
});
}
}
module.exports = (router) => {
router.enter(["posts"], (ctx, next) => {
ctx.controller = new PostListController(ctx);
});
};
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