Adding a search page

- Fixes # 70

5 files changed, 288 insertions, 3 deletions

diff --git a/ui/src/components/navbar.tsx b/ui/src/components/navbar.tsx
index 77ffa9af..fb8f5755 100644
--- a/ui/src/components/navbar.tsx
+++ b/ui/src/components/navbar.tsx
@@ -76,7 +76,7 @@ export class Navbar extends Component<any, NavbarState> {
               <Link class="nav-link" to="/communities">Forums</Link>
             </li>
             <li class="nav-item">
-              <Link class="nav-link" to="/modlog">Modlog</Link>
+              <Link class="nav-link" to="/search">Search</Link>
             </li>
             <li class="nav-item">
               <Link class="nav-link" to="/create_post">Create Post</Link>
diff --git a/ui/src/components/search.tsx b/ui/src/components/search.tsx
new file mode 100644
index 00000000..a4b389e7
--- /dev/null
+++ b/ui/src/components/search.tsx
@@ -0,0 +1,259 @@
+import { Component, linkEvent } from 'inferno';
+import { Subscription } from "rxjs";
+import { retryWhen, delay, take } from 'rxjs/operators';
+import { UserOperation, Post, Comment, SortType, SearchForm, SearchResponse, SearchType } from '../interfaces';
+import { WebSocketService } from '../services';
+import { msgOp, fetchLimit } from '../utils';
+import { PostListing } from './post-listing';
+import { CommentNodes } from './comment-nodes';
+
+interface SearchState {
+  q: string,
+  type_: SearchType,
+  sort: SortType,
+  page: number,
+  searchResponse: SearchResponse;
+  loading: boolean;
+}
+
+export class Search extends Component<any, SearchState> {
+
+  private subscription: Subscription;
+  private emptyState: SearchState = {
+    q: undefined,
+    type_: SearchType.Both,
+    sort: SortType.TopAll,
+    page: 1,
+    searchResponse: {
+      op: null,
+      posts: [],
+      comments: [],
+    },
+    loading: false,
+  }
+
+  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')
+    );
+
+  }
+
+  componentWillUnmount() {
+    this.subscription.unsubscribe();
+  }
+
+  componentDidMount() {
+    document.title = "Search - Lemmy";
+  }
+
+  render() {
+    return (
+      <div class="container">
+        <div class="row">
+          <div class="col-12">
+            <h5>Search</h5>
+            {this.selects()}
+            {this.searchForm()}
+            {this.state.type_ == SearchType.Both &&
+              this.both()
+            }
+            {this.state.type_ == SearchType.Comments &&
+              this.comments()
+            }
+            {this.state.type_ == SearchType.Posts &&
+              this.posts()
+            }
+            {this.noResults()}
+            {this.paginator()}
+          </div>
+        </div>
+      </div>
+    )
+  }
+
+  searchForm() {
+    return (
+      <form class="form-inline" onSubmit={linkEvent(this, this.handleSearchSubmit)}>
+        <input type="text" class="form-control mr-2" value={this.state.q} placeholder="Search..." onInput={linkEvent(this, this.handleQChange)} required minLength={3} />
+        <button type="submit" class="btn btn-secondary mr-2">
+          {this.state.loading ?
+          <svg class="icon icon-spinner spin"><use xlinkHref="#icon-spinner"></use></svg> :
+          <span>Search</span>
+          }
+        </button>
+      </form>
+    )
+  }
+
+  selects() {
+    return (
+      <div className="mb-2">
+        <select value={this.state.type_} onChange={linkEvent(this, this.handleTypeChange)} class="custom-select w-auto">
+          <option disabled>Type</option>
+          <option value={SearchType.Both}>Both</option>
+          <option value={SearchType.Comments}>Comments</option>
+          <option value={SearchType.Posts}>Posts</option>
+        </select>
+        <select value={this.state.sort} onChange={linkEvent(this, this.handleSortChange)} class="custom-select w-auto ml-2">
+          <option disabled>Sort Type</option>
+          <option value={SortType.New}>New</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>
+    )
+
+  }
+
+  both() {
+    let combined: Array<{type_: string, data: Comment | Post}> = [];
+    let comments = this.state.searchResponse.comments.map(e => {return {type_: "comments", data: e}});
+    let posts = this.state.searchResponse.posts.map(e => {return {type_: "posts", data: e}});
+
+    combined.push(...comments);
+    combined.push(...posts);
+
+    // Sort it
+    if (this.state.sort == SortType.New) {
+      combined.sort((a, b) => b.data.published.localeCompare(a.data.published));
+    } else {
+      combined.sort((a, b) => b.data.score - a.data.score);
+    }
+
+    return (
+      <div>
+        {combined.map(i =>
+          <div>
+            {i.type_ == "posts"
+              ? <PostListing post={i.data as Post} showCommunity viewOnly />
+              : <CommentNodes nodes={[{comment: i.data as Comment}]} viewOnly noIndent />
+            }
+          </div>
+                     )
+        }
+      </div>
+    )
+  }
+
+  comments() {
+    return (
+      <div>
+        {this.state.searchResponse.comments.map(comment => 
+          <CommentNodes nodes={[{comment: comment}]} noIndent viewOnly />
+        )}
+      </div>
+    );
+  }
+
+  posts() {
+    return (
+      <div>
+        {this.state.searchResponse.posts.map(post => 
+          <PostListing post={post} showCommunity viewOnly />
+        )}
+      </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>
+    );
+  }
+
+  noResults() {
+    let res = this.state.searchResponse;
+    return (
+      <div>
+        {res && res.op && res.posts.length == 0 && res.comments.length == 0 && 
+          <span>No Results</span>
+        }
+      </div>
+    )
+  }
+
+  nextPage(i: Search) { 
+    i.state.page++;
+    i.setState(i.state);
+    i.search();
+  }
+
+  prevPage(i: Search) { 
+    i.state.page--;
+    i.setState(i.state);
+    i.search();
+  }
+
+  search() {
+    // TODO community
+    let form: SearchForm = {
+      q: this.state.q,
+      type_: SearchType[this.state.type_],
+      sort: SortType[this.state.sort],
+      page: this.state.page,
+      limit: fetchLimit,
+    };
+
+    WebSocketService.Instance.search(form);
+  }
+
+  handleSortChange(i: Search, event: any) {
+    i.state.sort = Number(event.target.value);
+    i.state.page = 1;
+    i.setState(i.state);
+    i.search();
+  }
+
+  handleTypeChange(i: Search, event: any) {
+    i.state.type_ = Number(event.target.value);
+    i.state.page = 1;
+    i.setState(i.state);
+    i.search();
+  }
+
+  handleSearchSubmit(i: Search, event: any) {
+    event.preventDefault();
+    i.state.loading = true;
+    i.search();
+    i.setState(i.state);
+  }
+
+  handleQChange(i: Search, event: any) {
+    i.state.q = event.target.value;
+    i.setState(i.state);
+  }
+
+  parseMessage(msg: any) {
+    console.log(msg);
+    let op: UserOperation = msgOp(msg);
+    if (msg.error) {
+      alert(msg.error);
+      return;
+    } else if (op == UserOperation.Search) {
+      let res: SearchResponse = msg;
+      this.state.searchResponse = res;
+      this.state.loading = false;
+      document.title = `Search - ${this.state.q} - Lemmy`;
+      this.setState(this.state);
+      
+    }
+  }
+}
+
diff --git a/ui/src/index.tsx b/ui/src/index.tsx
index 716684de..b3b46904 100644
--- a/ui/src/index.tsx
+++ b/ui/src/index.tsx
@@ -14,6 +14,7 @@ import { User } from './components/user';
 import { Modlog } from './components/modlog';
 import { Setup } from './components/setup';
 import { Inbox } from './components/inbox';
+import { Search } from './components/search';
 import { Symbols } from './components/symbols';
 
 import './css/bootstrap.min.css';
@@ -52,6 +53,7 @@ class Index extends Component<any, any> {
             <Route path={`/modlog/community/:community_id`} component={Modlog} />
             <Route path={`/modlog`} component={Modlog} />
             <Route path={`/setup`} component={Setup} />
+            <Route path={`/search`} component={Search} />
           </Switch>
           <Symbols />
         </div>
diff --git a/ui/src/interfaces.ts b/ui/src/interfaces.ts
index ec111719..05987fe3 100644
--- a/ui/src/interfaces.ts
+++ b/ui/src/interfaces.ts
@@ -1,5 +1,5 @@
 export enum UserOperation {
-  Login, Register, CreateCommunity, CreatePost, ListCommunities, ListCategories, GetPost, GetCommunity, CreateComment, EditComment, SaveComment, CreateCommentLike, GetPosts, CreatePostLike, EditPost, SavePost, EditCommunity, FollowCommunity, GetFollowedCommunities, GetUserDetails, GetReplies, GetModlog, BanFromCommunity, AddModToCommunity, CreateSite, EditSite, GetSite, AddAdmin, BanUser
+  Login, Register, CreateCommunity, CreatePost, ListCommunities, ListCategories, GetPost, GetCommunity, CreateComment, EditComment, SaveComment, CreateCommentLike, GetPosts, CreatePostLike, EditPost, SavePost, EditCommunity, FollowCommunity, GetFollowedCommunities, GetUserDetails, GetReplies, GetModlog, BanFromCommunity, AddModToCommunity, CreateSite, EditSite, GetSite, AddAdmin, BanUser, Search
 }
 
 export enum CommentSortType {
@@ -14,6 +14,10 @@ export enum SortType {
   Hot, New, TopDay, TopWeek, TopMonth, TopYear, TopAll
 }
 
+export enum SearchType {
+  Both, Comments, Posts
+}
+
 export interface User {
   id: number;
   iss: string;
@@ -517,3 +521,18 @@ export interface AddAdminResponse {
   op: string;
   admins: Array<UserView>;
 }
+
+export interface SearchForm {
+  q: string;
+  type_: string;
+  community_id?: number;
+  sort: string;
+  page?: number;
+  limit?: number;
+}
+
+export interface SearchResponse {
+  op: string;
+  posts?: Array<Post>;
+  comments?: Array<Comment>;
+}
diff --git a/ui/src/services/WebSocketService.ts b/ui/src/services/WebSocketService.ts
index ac59631e..dc06df28 100644
--- a/ui/src/services/WebSocketService.ts
+++ b/ui/src/services/WebSocketService.ts
@@ -1,5 +1,5 @@
 import { wsUri } from '../env';
-import { LoginForm, RegisterForm, UserOperation, CommunityForm, PostForm, SavePostForm, CommentForm, SaveCommentForm, CommentLikeForm, GetPostsForm, CreatePostLikeForm, FollowCommunityForm, GetUserDetailsForm, ListCommunitiesForm, GetModlogForm, BanFromCommunityForm, AddModToCommunityForm, AddAdminForm, BanUserForm, SiteForm, Site, UserView, GetRepliesForm } from '../interfaces';
+import { LoginForm, RegisterForm, UserOperation, CommunityForm, PostForm, SavePostForm, CommentForm, SaveCommentForm, CommentLikeForm, GetPostsForm, CreatePostLikeForm, FollowCommunityForm, GetUserDetailsForm, ListCommunitiesForm, GetModlogForm, BanFromCommunityForm, AddModToCommunityForm, AddAdminForm, BanUserForm, SiteForm, Site, UserView, GetRepliesForm, SearchForm } from '../interfaces';
 import { webSocket } from 'rxjs/webSocket';
 import { Subject } from 'rxjs';
 import { retryWhen, delay, take } from 'rxjs/operators';
@@ -163,10 +163,15 @@ export class WebSocketService {
     this.setAuth(siteForm);
     this.subject.next(this.wsSendWrapper(UserOperation.EditSite, siteForm));
   }
+
   public getSite() {
     this.subject.next(this.wsSendWrapper(UserOperation.GetSite, {}));
   }
 
+  public search(form: SearchForm) {
+    this.subject.next(this.wsSendWrapper(UserOperation.Search, form));
+  }
+
   private wsSendWrapper(op: UserOperation, data: any) {
     let send = { op: UserOperation[op], data: data };
     console.log(send);