cache character end point - update reply count/thread reply id

client/app/model/index.ts

@@ -1,2 +1,4 @@
 export * from './category';
+export * from './reply';
+export * from './thread';
 export * from './user';

client/app/model/reply.ts

@@ -0,0 +1,10 @@
+export interface RepyModel {
+  content: string;
+  edited: boolean;
+  id: number;
+  inserted_at: string;
+  quote: boolean;
+  thread_id: number;
+  updated_at: string;
+  user_id: number;
+}

client/app/model/thread.ts

@@ -0,0 +1,20 @@
+import { RepyModel } from './reply';
+
+export interface ThreadModel {
+  category_id: number;
+  content: string;
+  title: string;
+  edited: boolean;
+  id: number;
+  inserted_at: string;
+  last_reply: { id: number; battletag: string };
+  last_reply_id: number;
+  locked: boolean;
+  replies: RepyModel[];
+  reply_count: number;
+  sticky: boolean;
+  updated_at: string;
+  user: { id: number; battletag: string };
+  user_id: number;
+  view_count: number;
+}

client/app/pages/forum/forum.tsx

@@ -1,18 +1,32 @@
 import React from 'react';
 import { Link, RouteComponentProps } from 'react-router-dom';
+import { get } from 'lodash';
+import { ThreadService } from '../../services';
 import { LoginButton } from '../../components';
+import { ThreadModel } from '../../model';
 import './forum.scss';
 
 interface Props extends RouteComponentProps<any> {}
 
-interface State {}
+interface State {
+  threads: ThreadModel[];
+}
 
 export class Forum extends React.Component<Props, State> {
   constructor(props: Props) {
     super(props);
+    this.state = {
+      threads: [],
+    };
   }
 
   componentDidMount() {
+    this.getThreads();
+  }
+
+  private async getThreads() {
+    const threads = await ThreadService.getCategoryThreads(this.props.match.params['id']);
+    this.setState({ threads });
   }
 
   renderHeader() {
@@ -59,15 +73,15 @@ export class Forum extends React.Component<Props, State> {
   }
 
   renderThreadRows() {
-    return Array(40).fill('test 123').map((thread, index) => {
+    return this.state.threads.map((thread, index) => {
       return (
         <div className={`forum-row ${index % 2 === 0 && 'forum-row--dark'}`} key={index}>
-          {this.renderCell(thread, { maxWidth: '50px' })}
-          {this.renderCell(<Link to="#">This is a test subject that could be really long</Link>, { minWidth: '200px' })}
-          {this.renderCell(<b>thread</b>, { maxWidth: '150px' })}
-          {this.renderCell(<b>thread</b>, { maxWidth: '150px' }, true)}
-          {this.renderCell(<b>thread</b>, { maxWidth: '150px' }, true)}
-          {this.renderCell(<span>by <b>thread</b></span>, { maxWidth: '200px' })}
+          {this.renderCell('flag', { maxWidth: '50px' })}
+          {this.renderCell(<Link to={`/thread/${thread.id}`}>{thread.title}</Link>, { minWidth: '200px' })}
+          {this.renderCell(<b>{thread.user.battletag}</b>, { maxWidth: '150px' })}
+          {this.renderCell(<b>{thread.reply_count}</b>, { maxWidth: '150px' }, true)}
+          {this.renderCell(<b>{thread.view_count}</b>, { maxWidth: '150px' }, true)}
+          {this.renderCell(<span>by <b>{get(thread, 'last_reply.battletag')}</b></span>, { maxWidth: '200px' })}
         </div>
       );
     });

client/app/pages/index.ts

@@ -3,5 +3,6 @@ export * from './home/home';
 export * from './not-found/not-found';
 export * from './oauth/oauth';
 export * from './realms/realms';
+export * from './thread/thread';
 export * from './user-account/user-account';
 

client/app/pages/thread/thread.tsx

@@ -0,0 +1,25 @@
+import React from 'react';
+import { RouteComponentProps } from 'react-router-dom';
+import { ThreadService } from '../../services';
+
+interface Props extends RouteComponentProps<any> {}
+
+interface State {}
+
+export class Thread extends React.Component<Props, State> {
+
+  componentDidMount() {
+    this.getThreads();
+  }
+
+  private async getThreads() {
+    const thread = await ThreadService.getThread(this.props.match.params['id']);
+    console.log(thread);
+  }
+
+  render() {
+    return (
+      <div></div>
+    );
+  }
+}

client/app/routes.tsx

@@ -2,7 +2,7 @@ import React from 'react';
 import { BrowserRouter, Route, Switch } from 'react-router-dom';
 import { Provider } from 'mobx-react';
 import { Footer, Header } from './components';
-import { Forum, Home, NotFound, Oauth, Realms, UserAccount } from './pages';
+import { Forum, Home, NotFound, Oauth, Realms, Thread, UserAccount } from './pages';
 import { stores } from './stores/stores';
 
 // styling
@@ -26,6 +26,7 @@ export class Routes extends React.Component<Props, State> {
               <Route exact path="/f/:id" component={Forum} />
               <Route exact path="/oauth" component={Oauth} />
               <Route exact path="/user-account" component={UserAccount} />
+              <Route exact path="/thread/:id" component={Thread} />
               <Route component={NotFound} />
             </Switch>
             <Footer />

client/app/services/index.ts

@@ -1,2 +1,3 @@
 export * from './category.service';
+export * from './thread.service';
 export * from './user.service';

client/app/services/thread.service.ts

@@ -0,0 +1,29 @@
+import axios from '../axios/axios';
+import { ThreadModel } from '../model';
+
+const getCategoryThreads = async (category_id: string): Promise<ThreadModel[]> => {
+  try {
+    const res = await axios.get(`/api/thread?category_id=${category_id}`);
+    return res.data.data;
+  } catch (e) {
+    console.error(e);
+  }
+
+  return [];
+};
+
+const getThread = async (thread_id: string | number): Promise<ThreadModel> => {
+  try {
+    const res = await axios.get(`/api/thread/${thread_id}`);
+    return res.data.data;
+  } catch (e) {
+    console.error(e);
+  }
+
+  return [] as any;
+};
+
+export const ThreadService = {
+  getCategoryThreads,
+  getThread,
+};

client/package.json

@@ -13,6 +13,7 @@
   "license": "MIT",
   "dependencies": {
     "@types/lodash": "^4.14.92",
+    "@types/node": "^9.3.0",
     "@types/query-string": "^5.0.1",
     "@types/react": "^16.0.34",
     "@types/react-dom": "^16.0.3",

client/yarn.lock

@@ -14,6 +14,10 @@
   version "8.5.5"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-8.5.5.tgz#6f9e8164ae1a55a9beb1d2571cfb7acf9d720c61"
 
+"@types/node@^9.3.0":
+  version "9.3.0"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-9.3.0.tgz#3a129cda7c4e5df2409702626892cb4b96546dd5"
+
 "@types/query-string@^5.0.1":
   version "5.0.1"
   resolved "https://registry.yarnpkg.com/@types/query-string/-/query-string-5.0.1.tgz#6cb41c724cb1644d56c2d1dae7c7b204e706b39e"

lib/myapp/battle_net/user.ex

@@ -28,16 +28,28 @@ defmodule MyApp.BattleNet.User do
     end
   end
 
-  @spec get_user_characters(String.t) :: {:ok, map} | {:error, any}
-  def get_user_characters(access_token) do
-    access_token
-    |> resource_url("wow/user/characters")
-    |> HTTPoison.get
-    |> parse_character_response
+  # end point is cached for one minute per user
+  @spec get_user_characters(integer, String.t) :: {:ok, map} | {:error, any}
+  def get_user_characters(user_id, access_token) do
+    case Cachex.get(:myapp, "usr_char:#{user_id}") do
+      {:ok, data} -> {:ok, data}
+      {:missing, _} -> 
+        access_token
+        |> resource_url("wow/user/characters")
+        |> HTTPoison.get
+        |> parse_character_response(user_id)
+    end
   end
 
-  defp parse_character_response({:error, error}), do: {:error, error}
-  defp parse_character_response({:ok, %HTTPoison.Response{body: body}}), do: Poison.decode(body)
+  defp parse_character_response({:error, error}, _), do: {:error, error}
+  defp parse_character_response({:ok, %HTTPoison.Response{body: body}}, user_id) do
+    case Poison.decode(body) do
+      {:ok, data} ->
+        Cachex.set(:myapp, "usr_char:#{user_id}", data, ttl: :timer.minutes(1)) # 1 minute
+        {:ok, data}
+      {:error, error} -> {:error, error}
+    end
+  end
 
   defp resource_url(access_token, path) do
     "#{api_url()}/#{path}?access_token=#{access_token}"

lib/myapp/data/reply.ex

@@ -1,6 +1,7 @@
 defmodule MyApp.Data.Reply do
   use Ecto.Schema
   import Ecto.Changeset
+  import Ecto.Query
   alias MyApp.Repo
   alias MyApp.Data
 
@@ -35,6 +36,20 @@ defmodule MyApp.Data.Reply do
     insert_changeset(%Data.Reply{}, params)
     |> Repo.insert
     |> Data.Util.process_insert_or_update
+    |> update_thread_new_reply
+  end
+
+  defp update_thread_new_reply({:error, error}), do: {:error, error}
+  defp update_thread_new_reply({:ok, reply}) do
+    thread_id = Map.get(reply, :thread_id)
+    user_id = Map.get(reply, :user_id)
+    query = from t in Data.Thread, where: t.id == ^thread_id,
+      update: [set: [last_reply_id: ^user_id], inc: [reply_count: 1]]
+
+    case Repo.update_all(query, []) do
+      nil -> {:error, "update thread error"}
+      _ -> {:ok, reply}
+    end
   end
 
   @spec user_update(map) :: {:ok, map} | {:error, map}

lib/myapp/data/thread.ex

@@ -16,6 +16,7 @@ defmodule MyApp.Data.Thread do
     field :sticky, :boolean, default: false
     field :locked, :boolean, default: false
     field :edited, :boolean, default: false
+    field :reply_count, :integer, default: 0
     has_many :replies, Data.Reply
     has_one :user, Data.User, foreign_key: :id, references: :user_id
     has_one :last_reply, Data.User, foreign_key: :id, references: :last_reply_id
@@ -24,7 +25,7 @@ defmodule MyApp.Data.Thread do
 
   defp insert_changeset(thread, params \\ %{}) do
     thread
-    |> cast(params, [:title, :category_id, :content, :user_id])
+    |> cast(params, [:title, :category_id, :content, :user_id, :last_reply_id])
     |> validate_required([:title, :category_id, :content, :user_id])
     |> foreign_key_constraint(:category_id)
     |> foreign_key_constraint(:user_id)
@@ -66,6 +67,9 @@ defmodule MyApp.Data.Thread do
         :edited,
         :content,
         :category_id,
+        :title,
+        :view_count,
+        :reply_count,
         user: [:id, :battletag],
         last_reply: [:id, :battletag],
       ]),
@@ -85,6 +89,7 @@ defmodule MyApp.Data.Thread do
 
   @spec insert(map) :: {:ok, map} | {:error, map}
   def insert(params) do
+    params = Map.put(params, "last_reply_id", Map.get(params, "user_id"))
     insert_changeset(%Data.Thread{}, params)
     |> Repo.insert
     |> remove_associations

lib/myapp_web/controllers/battle_net_controller.ex

@@ -24,12 +24,12 @@ defmodule MyAppWeb.BattleNetController do
 
   # TODO: cache this end point
   def characters(conn, _params) do
-    token = conn
+    %{"access_token" => token, "id" => user_id} = conn
     |> MyApp.Guardian.Plug.current_claims
-    |> Map.get("access_token")
+    |> Map.take(["access_token", "id"])
     
-    {output, status} = token
-    |> BattleNet.User.get_user_characters
+    {output, status} = user_id
+    |> BattleNet.User.get_user_characters(token)
     |> Response.put_resp
 
     conn

priv/repo/migrations/20180110031244_thread_reply_count.exs

@@ -0,0 +1,9 @@
+defmodule MyApp.Repo.Migrations.ThreadReplyCount do
+  use Ecto.Migration
+
+  def change do
+    alter table(:thread) do
+      add :reply_count, :integer
+    end
+  end
+end

test/myapp_web/controllers/reply_controller_test.exs

@@ -0,0 +1,55 @@
+defmodule MyAppWeb.ReplyControllerTest do
+  use MyAppWeb.ConnCase, async: true
+  import MyApp.Data.TestHelpers
+
+  test "insert new reply should fail" do
+    {:ok, user} = new_user()
+    new_conn = build_conn()
+    |> put_req_header("authorization", "Bearer " <> user.token)
+
+    conn = post(new_conn, "/api/reply")
+    body = conn |> response(400) |> Poison.decode!
+
+    assert body["error"]["message"] == [
+      %{"thread_id" => "can't be blank"},
+      %{"content" => "can't be blank"},
+    ]
+
+    conn = post(new_conn, "/api/reply", %{"content" => "t"})
+    body = conn |> response(400) |> Poison.decode!
+    assert body["error"]["message"] == [%{"thread_id" => "can't be blank"}]
+
+    conn = post(new_conn, "/api/reply", %{"content" => "t", "thread_id" => 1})
+    body = conn |> response(400) |> Poison.decode!
+    assert body["error"]["message"] == [%{"thread_id" => "does not exist"}]
+  end
+
+  test "insert new reply should succeed" do
+    {:ok, user} = new_user()
+    new_conn = build_conn()
+    |> put_req_header("authorization", "Bearer " <> user.token)
+
+    # insert new thread first
+    conn = post(new_conn, "/api/thread", %{"title" => "t", "category_id" => 1, "content" => "t"})
+    body = conn |> response(200) |> Poison.decode!
+
+    conn = post(new_conn, "/api/reply", %{"content" => "c", "thread_id" => body["data"]["id"]})
+    body = conn |> response(200) |> Poison.decode!
+
+    data = body["data"]
+    user_id = data["user_id"]
+
+    assert data["content"] == "c"
+    assert data["edited"] == false
+    assert data["quote"] == false
+
+    # make sure thread reply count and last reply id are updated
+    conn = get(new_conn, "/api/thread?category_id=1")
+    body = conn |> response(200) |> Poison.decode!
+
+    data = Enum.at(body["data"], 0)
+    assert data["reply_count"] == 1
+    assert data["last_reply_id"] == user_id
+  end
+
+end