Adding better community and main page routing, with sorting and type in url.

ui/src/components/community.tsx

@@ -1,11 +1,11 @@
-import { Component } from 'inferno';
+import { Component, linkEvent } from 'inferno';
 import { Subscription } from "rxjs";
 import { retryWhen, delay, take } from 'rxjs/operators';
-import { UserOperation, Community as CommunityI, GetCommunityResponse, CommunityResponse,  CommunityUser, UserView } from '../interfaces';
+import { UserOperation, Community as CommunityI, GetCommunityResponse, CommunityResponse,  CommunityUser, UserView, SortType, Post, GetPostsForm, ListingType, GetPostsResponse, CreatePostLikeResponse } from '../interfaces';
 import { WebSocketService } from '../services';
 import { PostListings } from './post-listings';
 import { Sidebar } from './sidebar';
-import { msgOp } from '../utils';
+import { msgOp, routeSortTypeToEnum, fetchLimit } from '../utils';
 
 interface State {
   community: CommunityI;
@@ -14,6 +14,9 @@ interface State {
   moderators: Array<CommunityUser>;
   admins: Array<UserView>;
   loading: boolean;
+  posts: Array<Post>;
+  sort: SortType;
+  page: number;
 }
 
 export class Community extends Component<any, State> {
@@ -38,7 +41,20 @@ export class Community extends Component<any, State> {
     admins: [],
     communityId: Number(this.props.match.params.id),
     communityName: this.props.match.params.name,
-    loading: true
+    loading: true,
+    posts: [],
+    sort: this.getSortTypeFromProps(this.props),
+    page: this.getPageFromProps(this.props),
+  }
+
+  getSortTypeFromProps(props: any): SortType {
+    return (props.match.params.sort) ? 
+      routeSortTypeToEnum(props.match.params.sort) : 
+      SortType.Hot;
+  }
+
+  getPageFromProps(props: any): number {
+    return (props.match.params.page) ? Number(props.match.params.page) : 1;
   }
 
   constructor(props: any, context: any) {
@@ -66,6 +82,16 @@ export class Community extends Component<any, State> {
     this.subscription.unsubscribe();
   }
 
+  // Necessary for back button for some reason
+  componentWillReceiveProps(nextProps: any) {
+    if (nextProps.history.action == 'POP') {
+      this.state = this.emptyState;
+      this.state.sort = this.getSortTypeFromProps(nextProps);
+      this.state.page = this.getPageFromProps(nextProps);
+      this.fetchPosts();
+    }
+  }
+
   render() {
     return (
       <div class="container">
@@ -78,7 +104,9 @@ export class Community extends Component<any, State> {
               <small className="ml-2 text-muted font-italic">removed</small>
             }
           </h5>
-          {this.state.community && <PostListings communityId={this.state.community.id} />}
+          {this.selects()}
+          <PostListings posts={this.state.posts} />
+          {this.paginator()}
           </div>
           <div class="col-12 col-md-3">
             <Sidebar 
@@ -93,6 +121,72 @@ export class Community extends Component<any, State> {
     )
   }
 
+  selects() {
+    return (
+      <div className="mb-2">
+        <select value={this.state.sort} onChange={linkEvent(this, this.handleSortChange)} class="custom-select w-auto">
+          <option disabled>Sort Type</option>
+          <option value={SortType.Hot}>Hot</option>
+          <option value={SortType.New}>New</option>
+          <option disabled>──────────</option>
+          <option value={SortType.TopDay}>Top Day</option>
+          <option value={SortType.TopWeek}>Week</option>
+          <option value={SortType.TopMonth}>Month</option>
+          <option value={SortType.TopYear}>Year</option>
+          <option value={SortType.TopAll}>All</option>
+        </select>
+      </div>
+    )
+  }
+
+  paginator() {
+    return (
+      <div class="mt-2">
+        {this.state.page > 1 && 
+          <button class="btn btn-sm btn-secondary mr-1" onClick={linkEvent(this, this.prevPage)}>Prev</button>
+        }
+        <button class="btn btn-sm btn-secondary" onClick={linkEvent(this, this.nextPage)}>Next</button>
+      </div>
+    );
+  }
+
+  nextPage(i: Community) { 
+    i.state.page++;
+    i.setState(i.state);
+    i.updateUrl();
+    i.fetchPosts();
+  }
+
+  prevPage(i: Community) { 
+    i.state.page--;
+    i.setState(i.state);
+    i.updateUrl();
+    i.fetchPosts();
+  }
+
+  handleSortChange(i: Community, event: any) {
+    i.state.sort = Number(event.target.value);
+    i.state.page = 1;
+    i.setState(i.state);
+    i.updateUrl();
+    i.fetchPosts();
+  }
+
+  updateUrl() {
+    let sortStr = SortType[this.state.sort].toLowerCase();
+    this.props.history.push(`/f/${this.state.community.name}/sort/${sortStr}/page/${this.state.page}`);
+  }
+
+  fetchPosts() {
+    let getPostsForm: GetPostsForm = {
+      page: this.state.page,
+      limit: fetchLimit,
+      sort: SortType[this.state.sort],
+      type_: ListingType[ListingType.Community],
+      community_id: this.state.community.id,
+    }
+    WebSocketService.Instance.getPosts(getPostsForm);
+  }
 
   parseMessage(msg: any) {
     console.log(msg);
@@ -105,9 +199,9 @@ export class Community extends Component<any, State> {
       this.state.community = res.community;
       this.state.moderators = res.moderators;
       this.state.admins = res.admins;
-      this.state.loading = false;
       document.title = `/f/${this.state.community.name} - Lemmy`;
       this.setState(this.state);
+      this.fetchPosts();
     } else if (op == UserOperation.EditCommunity) {
       let res: CommunityResponse = msg;
       this.state.community = res.community;
@@ -117,6 +211,19 @@ export class Community extends Component<any, State> {
       this.state.community.subscribed = res.community.subscribed;
       this.state.community.number_of_subscribers = res.community.number_of_subscribers;
       this.setState(this.state);
+    } else if (op == UserOperation.GetPosts) {
+      let res: GetPostsResponse = msg;
+      this.state.posts = res.posts;
+      this.state.loading = false;
+      this.setState(this.state);
+    } else if (op == UserOperation.CreatePostLike) {
+      let res: CreatePostLikeResponse = msg;
+      let found = this.state.posts.find(c => c.id == res.post.id);
+      found.my_vote = res.post.my_vote;
+      found.score = res.post.score;
+      found.upvotes = res.post.upvotes;
+      found.downvotes = res.post.downvotes;
+      this.setState(this.state);
     }
   }
 }

ui/src/components/home.tsx

@@ -1,24 +0,0 @@
-import { Component } from 'inferno';
-import { Main } from './main';
-import { ListingType } from '../interfaces';
-
-export class Home extends Component<any, any> {
-
-  constructor(props: any, context: any) {
-    super(props, context);
-  }
-
-  render() {
-    return (
-      <Main type={this.listType()}/>
-    )
-  }
-
-  componentDidMount() {
-    document.title = "Lemmy";
-  }
-
-  listType(): ListingType { 
-    return (this.props.match.path == '/all') ? ListingType.All : ListingType.Subscribed;
-  }
-}

ui/src/components/main.tsx

@@ -2,16 +2,11 @@ import { Component, linkEvent } from 'inferno';
 import { Link } from 'inferno-router';
 import { Subscription } from "rxjs";
 import { retryWhen, delay, take } from 'rxjs/operators';
-import { UserOperation, CommunityUser, GetFollowedCommunitiesResponse, ListCommunitiesForm, ListCommunitiesResponse, Community, SortType, GetSiteResponse, ListingType, SiteResponse } from '../interfaces';
+import { UserOperation, CommunityUser, GetFollowedCommunitiesResponse, ListCommunitiesForm, ListCommunitiesResponse, Community, SortType, GetSiteResponse, ListingType, SiteResponse, GetPostsResponse, CreatePostLikeResponse, Post, GetPostsForm } from '../interfaces';
 import { WebSocketService, UserService } from '../services';
 import { PostListings } from './post-listings';
 import { SiteForm } from './site-form';
-import { msgOp, repoUrl, mdToHtml } from '../utils';
+import { msgOp, repoUrl, mdToHtml, fetchLimit, routeSortTypeToEnum, routeListingTypeToEnum } from '../utils';
-
-
-interface MainProps {
-  type: ListingType;
-}
 
 interface MainState {
   subscribedCommunities: Array<CommunityUser>;
@@ -19,9 +14,13 @@ interface MainState {
   site: GetSiteResponse;
   showEditSite: boolean;
   loading: boolean;
+  posts: Array<Post>;
+  type_: ListingType;
+  sort: SortType;
+  page: number;
 }
 
-export class Main extends Component<MainProps, MainState> {
+export class Main extends Component<any, MainState> {
 
   private subscription: Subscription;
   private emptyState: MainState = {
@@ -43,7 +42,29 @@ export class Main extends Component<MainProps, MainState> {
       banned: [],
     },
     showEditSite: false,
-    loading: true
+    loading: true,
+    posts: [],
+    type_: this.getListingTypeFromProps(this.props),
+    sort: this.getSortTypeFromProps(this.props),
+    page: this.getPageFromProps(this.props),
+  }
+
+  getListingTypeFromProps(props: any): ListingType {
+    return (props.match.params.type) ? 
+      routeListingTypeToEnum(props.match.params.type) : 
+      UserService.Instance.user ? 
+      ListingType.Subscribed : 
+      ListingType.All;
+  }
+
+  getSortTypeFromProps(props: any): SortType {
+    return (props.match.params.sort) ? 
+      routeSortTypeToEnum(props.match.params.sort) : 
+      SortType.Hot;
+  }
+
+  getPageFromProps(props: any): number {
+    return (props.match.params.page) ? Number(props.match.params.page) : 1;
   }
 
   constructor(props: any, context: any) {
@@ -72,23 +93,37 @@ export class Main extends Component<MainProps, MainState> {
 
     WebSocketService.Instance.listCommunities(listCommunitiesForm);
 
-    this.handleEditCancel = this.handleEditCancel.bind(this);
+    this.fetchPosts();
   }
 
   componentWillUnmount() {
     this.subscription.unsubscribe();
   }
 
+  componentDidMount() {
+    document.title = "Lemmy";
+  }
+
+  // Necessary for back button for some reason
+  componentWillReceiveProps(nextProps: any) {
+    if (nextProps.history.action == 'POP') {
+      this.state = this.emptyState;
+      this.state.type_ = this.getListingTypeFromProps(nextProps);
+      this.state.sort = this.getSortTypeFromProps(nextProps);
+      this.state.page = this.getPageFromProps(nextProps);
+      this.fetchPosts();
+    }
+  }
+
   render() {
     return (
       <div class="container">
         <div class="row">
           <div class="col-12 col-md-8">
-            <PostListings type={this.props.type} />
+            {this.posts()}
           </div>
           <div class="col-12 col-md-4">
-            {this.state.loading ? 
+            {!this.state.loading &&
-            <h5><svg class="icon icon-spinner spin"><use xlinkHref="#icon-spinner"></use></svg></h5> : 
               <div>
                 {this.trendingCommunities()}
                 {UserService.Instance.user && this.state.subscribedCommunities.length > 0 && 
@@ -138,6 +173,12 @@ export class Main extends Component<MainProps, MainState> {
     )
   }
 
+  updateUrl() {
+    let typeStr = ListingType[this.state.type_].toLowerCase();
+    let sortStr = SortType[this.state.sort].toLowerCase();
+    this.props.history.push(`/home/type/${typeStr}/sort/${sortStr}/page/${this.state.page}`);
+  }
+
   siteInfo() {
     return (
       <div>
@@ -188,6 +229,58 @@ export class Main extends Component<MainProps, MainState> {
       )
   }
 
+  posts() {
+    return (
+      <div>
+        {this.state.loading ? 
+        <h5><svg class="icon icon-spinner spin"><use xlinkHref="#icon-spinner"></use></svg></h5> : 
+        <div>
+          {this.selects()}
+          <PostListings posts={this.state.posts} showCommunity />
+          {this.paginator()}
+        </div>
+        }
+      </div>
+    )
+  }
+
+  selects() {
+    return (
+      <div className="mb-2">
+        <select value={this.state.sort} onChange={linkEvent(this, this.handleSortChange)} class="custom-select w-auto">
+          <option disabled>Sort Type</option>
+          <option value={SortType.Hot}>Hot</option>
+          <option value={SortType.New}>New</option>
+          <option disabled>──────────</option>
+          <option value={SortType.TopDay}>Top Day</option>
+          <option value={SortType.TopWeek}>Week</option>
+          <option value={SortType.TopMonth}>Month</option>
+          <option value={SortType.TopYear}>Year</option>
+          <option value={SortType.TopAll}>All</option>
+        </select>
+        { UserService.Instance.user &&
+          <select value={this.state.type_} onChange={linkEvent(this, this.handleTypeChange)} class="ml-2 custom-select w-auto">
+            <option disabled>Type</option>
+            <option value={ListingType.All}>All</option>
+            <option value={ListingType.Subscribed}>Subscribed</option>
+          </select>
+
+        }
+      </div>
+    )
+  }
+
+  paginator() {
+    return (
+      <div class="mt-2">
+        {this.state.page > 1 && 
+          <button class="btn btn-sm btn-secondary mr-1" onClick={linkEvent(this, this.prevPage)}>Prev</button>
+        }
+        <button class="btn btn-sm btn-secondary" onClick={linkEvent(this, this.nextPage)}>Next</button>
+      </div>
+    );
+  }
+
   get canAdmin(): boolean {
     return UserService.Instance.user && this.state.site.admins.map(a => a.id).includes(UserService.Instance.user.id);
   }
@@ -202,6 +295,46 @@ export class Main extends Component<MainProps, MainState> {
     this.setState(this.state);
   }
 
+  nextPage(i: Main) { 
+    i.state.page++;
+    i.setState(i.state);
+    i.updateUrl();
+    i.fetchPosts();
+  }
+
+  prevPage(i: Main) { 
+    i.state.page--;
+    i.setState(i.state);
+    i.updateUrl();
+    i.fetchPosts();
+  }
+
+  handleSortChange(i: Main, event: any) {
+    i.state.sort = Number(event.target.value);
+    i.state.page = 1;
+    i.setState(i.state);
+    i.updateUrl();
+    i.fetchPosts();
+  }
+
+  handleTypeChange(i: Main, event: any) {
+    i.state.type_ = Number(event.target.value);
+    i.state.page = 1;
+    i.setState(i.state);
+    i.updateUrl();
+    i.fetchPosts();
+  }
+
+  fetchPosts() {
+    let getPostsForm: GetPostsForm = {
+      page: this.state.page,
+      limit: fetchLimit,
+      sort: SortType[this.state.sort],
+      type_: ListingType[this.state.type_]
+    }
+    WebSocketService.Instance.getPosts(getPostsForm);
+  }
+
   parseMessage(msg: any) {
     console.log(msg);
     let op: UserOperation = msgOp(msg);
@@ -211,12 +344,10 @@ export class Main extends Component<MainProps, MainState> {
     } else if (op == UserOperation.GetFollowedCommunities) {
       let res: GetFollowedCommunitiesResponse = msg;
       this.state.subscribedCommunities = res.communities;
-      this.state.loading = false;
       this.setState(this.state);
     } else if (op == UserOperation.ListCommunities) {
       let res: ListCommunitiesResponse = msg;
       this.state.trendingCommunities = res.communities;
-      this.state.loading = false;
       this.setState(this.state);
     } else if (op == UserOperation.GetSite) {
       let res: GetSiteResponse = msg;
@@ -234,6 +365,19 @@ export class Main extends Component<MainProps, MainState> {
       this.state.site.site = res.site;
       this.state.showEditSite = false;
       this.setState(this.state);
+    } else if (op == UserOperation.GetPosts) {
+      let res: GetPostsResponse = msg;
+      this.state.posts = res.posts;
+      this.state.loading = false;
+      this.setState(this.state);
+    } else if (op == UserOperation.CreatePostLike) {
+      let res: CreatePostLikeResponse = msg;
+      let found = this.state.posts.find(c => c.id == res.post.id);
+      found.my_vote = res.post.my_vote;
+      found.score = res.post.score;
+      found.upvotes = res.post.upvotes;
+      found.downvotes = res.post.downvotes;
+      this.setState(this.state);
     }
   }
 }

ui/src/components/post-listings.tsx

@@ -1,183 +1,28 @@
-import { Component, linkEvent } from 'inferno';
+import { Component } from 'inferno';
 import { Link } from 'inferno-router';
-import { Subscription } from "rxjs";
+import { Post } from '../interfaces';
-import { retryWhen, delay, take } from 'rxjs/operators';
-import { UserOperation, Post, GetPostsForm, SortType, ListingType, GetPostsResponse, CreatePostLikeResponse, CommunityUser} from '../interfaces';
-import { WebSocketService, UserService } from '../services';
 import { PostListing } from './post-listing';
-import { msgOp, fetchLimit } from '../utils';
 
 interface PostListingsProps {
-  type?: ListingType;
-  communityId?: number;
-}
-
-interface PostListingsState {
-  moderators: Array<CommunityUser>;
   posts: Array<Post>;
-  sortType: SortType;
+  showCommunity?: boolean;
-  type_: ListingType;
-  page: number;
-  loading: boolean;
 }
 
-export class PostListings extends Component<PostListingsProps, PostListingsState> {
+export class PostListings extends Component<PostListingsProps, any> {
-
-  private subscription: Subscription;
-  private emptyState: PostListingsState = {
-    moderators: [],
-    posts: [],
-    sortType: SortType.Hot,
-    type_: (this.props.type !== undefined && UserService.Instance.user) ? this.props.type : 
-      this.props.communityId 
-        ? ListingType.Community 
-        : UserService.Instance.user
-          ? ListingType.Subscribed 
-          : ListingType.All,
-          page: 1,
-          loading: true
-  }
 
   constructor(props: any, context: any) {
     super(props, context);
-
-    this.state = this.emptyState;
-
-    this.subscription = WebSocketService.Instance.subject
-      .pipe(retryWhen(errors => errors.pipe(delay(3000), take(10))))
-      .subscribe(
-        (msg) => this.parseMessage(msg),
-        (err) => console.error(err),
-        () => console.log('complete')
-      );
-
-      this.refetch();
-  }
-
-  componentWillUnmount() {
-    this.subscription.unsubscribe();
   }
 
   render() {
     return (
       <div>
-        {this.state.loading ? 
+        {this.props.posts.length > 0 ? this.props.posts.map(post => 
-        <h5><svg class="icon icon-spinner spin"><use xlinkHref="#icon-spinner"></use></svg></h5> : 
+          <PostListing post={post} showCommunity={this.props.showCommunity} />) : 
-        <div>
+          <div>No Listings. {!this.props.showCommunity && <span>Subscribe to some <Link to="/communities">forums</Link>.</span>}
-          {this.selects()}
-          {this.state.posts.length > 0 
-            ? this.state.posts.map(post => 
-              <PostListing post={post} showCommunity={!this.props.communityId}/>) 
-                : <div>No Listings. {!this.props.communityId && <span>Subscribe to some <Link to="/communities">forums</Link>.</span>}</div>
-          }
-          {this.paginator()}
         </div>
         }
       </div>
     )
   }
-
-  selects() {
-    return (
-      <div className="mb-2">
-        <select value={this.state.sortType} onChange={linkEvent(this, this.handleSortChange)} class="custom-select w-auto">
-          <option disabled>Sort Type</option>
-          <option value={SortType.Hot}>Hot</option>
-          <option value={SortType.New}>New</option>
-          <option disabled>──────────</option>
-          <option value={SortType.TopDay}>Top Day</option>
-          <option value={SortType.TopWeek}>Week</option>
-          <option value={SortType.TopMonth}>Month</option>
-          <option value={SortType.TopYear}>Year</option>
-          <option value={SortType.TopAll}>All</option>
-        </select>
-        {!this.props.communityId && 
-          UserService.Instance.user &&
-            <select value={this.state.type_} onChange={linkEvent(this, this.handleTypeChange)} class="ml-2 custom-select w-auto">
-              <option disabled>Type</option>
-              <option value={ListingType.All}>All</option>
-              <option value={ListingType.Subscribed}>Subscribed</option>
-            </select>
-
-        }
-      </div>
-    )
-  }
-
-  paginator() {
-    return (
-      <div class="mt-2">
-        {this.state.page > 1 && 
-          <button class="btn btn-sm btn-secondary mr-1" onClick={linkEvent(this, this.prevPage)}>Prev</button>
-        }
-        <button class="btn btn-sm btn-secondary" onClick={linkEvent(this, this.nextPage)}>Next</button>
-      </div>
-    );
-  }
-
-  nextPage(i: PostListings) { 
-    i.state.page++;
-    i.setState(i.state);
-    i.refetch();
-  }
-
-  prevPage(i: PostListings) { 
-    i.state.page--;
-    i.setState(i.state);
-    i.refetch();
-  }
-
-  handleSortChange(i: PostListings, event: any) {
-    i.state.sortType = Number(event.target.value);
-    i.state.page = 1;
-    i.setState(i.state);
-    i.refetch();
-  }
-
-  refetch() {
-    let getPostsForm: GetPostsForm = {
-      community_id: this.props.communityId,
-      page: this.state.page,
-      limit: fetchLimit,
-      sort: SortType[this.state.sortType],
-      type_: ListingType[this.state.type_]
-    }
-    WebSocketService.Instance.getPosts(getPostsForm);
-  }
-
-  handleTypeChange(i: PostListings, event: any) {
-    i.state.type_ = Number(event.target.value);
-    i.state.page = 1;
-    if (i.state.type_ == ListingType.All) {
-      i.context.router.history.push('/all');
-    } else {
-      i.context.router.history.push('/');
-    }
-    i.setState(i.state);
-    i.refetch();
-  }
-
-  parseMessage(msg: any) {
-    console.log(msg);
-    let op: UserOperation = msgOp(msg);
-    if (msg.error) {
-      alert(msg.error);
-      return;
-    } else if (op == UserOperation.GetPosts) {
-      let res: GetPostsResponse = msg;
-      this.state.posts = res.posts;
-      this.state.loading = false;
-      this.setState(this.state);
-    } else if (op == UserOperation.CreatePostLike) {
-      let res: CreatePostLikeResponse = msg;
-      let found = this.state.posts.find(c => c.id == res.post.id);
-      found.my_vote = res.post.my_vote;
-      found.score = res.post.score;
-      found.upvotes = res.post.upvotes;
-      found.downvotes = res.post.downvotes;
-      this.setState(this.state);
-    }
-  }
 }
-
-

ui/src/index.tsx

@@ -1,9 +1,8 @@
 import { render, Component } from 'inferno';
-import { HashRouter, Route, Switch } from 'inferno-router';
+import { HashRouter, BrowserRouter, Route, Switch } from 'inferno-router';
-
+import { Main } from './components/main';
 import { Navbar } from './components/navbar';
 import { Footer } from './components/footer';
-import { Home } from './components/home';
 import { Login } from './components/login';
 import { CreatePost } from './components/create-post';
 import { CreateCommunity } from './components/create-community';
@@ -39,14 +38,15 @@ class Index extends Component<any, any> {
         <Navbar />
         <div class="mt-3 p-0">
           <Switch>
-            <Route exact path="/all" component={Home} />
+            <Route path="/home/type/:type/sort/:sort/page/:page" component={Main} />
-            <Route exact path="/" component={Home} />
+            <Route exact path="/" component={Main} />
             <Route path={`/login`} component={Login} />
             <Route path={`/create_post`} component={CreatePost} />
             <Route path={`/create_community`} component={CreateCommunity} />
             <Route path={`/communities`} component={Communities} />
             <Route path={`/post/:id/comment/:comment_id`} component={Post} />
             <Route path={`/post/:id`} component={Post} />
+            <Route path="/f/:name/sort/:sort/page/:page" component={Community} />
             <Route path={`/community/:id`} component={Community} />
             <Route path={`/f/:name`} component={Community} />
             <Route path={`/user/:id`} component={User} />

ui/src/utils.ts

@@ -1,4 +1,4 @@
-import { UserOperation, Comment, User } from './interfaces';
+import { UserOperation, Comment, User, SortType, ListingType } from './interfaces';
 import * as markdown_it from 'markdown-it';
 
 export let repoUrl = 'https://github.com/dessalines/lemmy';
@@ -67,3 +67,29 @@ export function isImage(url: string) {
 }
 
 export let fetchLimit: number = 20;
+
+export function capitalizeFirstLetter(str: string): string {
+  return str.charAt(0).toUpperCase() + str.slice(1);
+}
+
+
+export function routeSortTypeToEnum(sort: string): SortType {
+  if (sort == 'new') {
+    return SortType.New;
+  } else if (sort == 'hot') {
+    return SortType.Hot;
+  } else if (sort == 'topday') {
+    return SortType.TopDay;
+  } else if (sort == 'topweek') {
+    return SortType.TopWeek;
+  } else if (sort == 'topmonth') {
+    return SortType.TopMonth;
+  } else if (sort == 'topall') {
+    return SortType.TopAll;
+  }
+}
+
+export function routeListingTypeToEnum(type: string): ListingType {
+  return ListingType[capitalizeFirstLetter(type)];
+}
+