server/client - eu support for fetching characters

client/app/pages/user-account/user-account.tsx

@@ -19,6 +19,7 @@ interface State {
   selectedAvatarIndex: number;
   insufficientScope?: boolean;
   noCharacters: boolean;
+  region: 'us' | 'eu';
 }
 
 @inject('userStore')
@@ -31,6 +32,7 @@ export class UserAccount extends React.Component<Props, State> {
       noCharacters: false,
       selectedCharIndex: 0,
       selectedAvatarIndex: 0,
+      region: 'us', // default to US api
     };
   }
 
@@ -48,8 +50,9 @@ export class UserAccount extends React.Component<Props, State> {
   }
 
   async getCharacters() {
+    const { region } = this.state;
     try {
-      const res = await UserService.getCharacters() as any;
+      const res = await UserService.getCharacters({ region });
       if (res.characters) {
         if (res.characters.length === 0) {
           this.setState({ noCharacters: true });
@@ -60,6 +63,7 @@ export class UserAccount extends React.Component<Props, State> {
           characters,
           selectedRealm: res.characters[0].realm,
           insufficientScope: false,
+          noCharacters: false,
         });
       } else {
         this.setState({ insufficientScope: true });
@@ -92,7 +96,9 @@ export class UserAccount extends React.Component<Props, State> {
     const { name, guild, realm } = this.selectedCharacter();
     const selectedAvatar = this.selectedCharacter().avatarList![this.state.selectedAvatarIndex].title;
     const charClass = CharacterService.getClass(this.selectedCharacter().class);
+    const { region } = this.state;
     const data = {
+      region,
       character_name: name,
       character_class: charClass.name,
       character_guild: guild,
@@ -165,21 +171,17 @@ export class UserAccount extends React.Component<Props, State> {
 
   render() {
 
-    if (this.state.noCharacters) {
-      return <div>You have no WoW characters in your account.</div>;
-    }
-
     // user must be logged in to view this page
     if (!this.props.userStore!.user) {
       return <div></div>;
     }
 
     const { battletag, character_name, character_class, character_guild, character_realm, character_avatar } = this.props.userStore!.user!;
-    const { insufficientScope } = this.state;
+    const { insufficientScope, noCharacters } = this.state;
 
     return (
       <ScrollToTop>
-        <ContentContainer style={{ minHeight: '500px', paddingTop: '40px' }}>
+        <ContentContainer style={{ paddingTop: '40px' }}>
           <div className="flex" style={{ marginBottom: '20px' }}>
             {character_avatar && <Portrait imageSrc={CharacterService.getAvatar(character_avatar!)}/>}
             <div style={{ paddingLeft: '10px' }}>
@@ -194,6 +196,14 @@ export class UserAccount extends React.Component<Props, State> {
             </div>
           </div>
 
+          {noCharacters &&
+            <div>
+              <p>Unable to fetch your characters.
+                <a onClick={() => this.setState({ region: 'eu' }, () => this.getCharacters())}>EU account?</a>
+              </p>
+            </div>
+          }
+
           <div>
             {insufficientScope === true ? this.renderScopeError() : this.renderDropDowns()}
           </div>

client/app/services/user.service.ts

@@ -15,9 +15,9 @@ const login = async (username: string, password: string): Promise<any> => {
   userStore.setUser(res.data.data);
 };
 
-const getCharacters = async (): Promise<any> => {
+const getCharacters = async (params: any): Promise<any> => {
   try {
-    const res = await axios.get('/api/user/characters');
+    const res = await axios.get('/api/user/characters', { params });
     const characters = res.data.data.characters;
     if (!!characters) {
       res.data.data.characters = filterCharacters(characters);

lib/myapp/battle_net/user.ex

@@ -2,18 +2,20 @@ defmodule MyApp.BattleNet.User do
 
   @type battle_net_user :: %{"battle_net_id": integer, "battletag": String.t, "access_token": String.t}
 
-  def api_url, do: "https://us.api.battle.net"
+  def api_url(region), do: "https://#{region}.api.battle.net"
+
+  def cache_key(user_id, region), do: "usr_char:#{user_id}:#{region}"
 
   # grab user information from battle net api - use token for auth
-  @spec get_user(String.t | {atom, any}) :: {:ok, battle_net_user} | {:error, any}
-  def get_user(access_token) when is_binary(access_token) do
+  @spec get_user(String.t | {atom, any}, String.t) :: {:ok, battle_net_user} | {:error, any}
+  def get_user(access_token, region) when is_binary(access_token) do
     access_token
-    |> resource_url("account/user")
+    |> resource_url("account/user", region)
     |> HTTPoison.get
     |> parse_user_response(access_token)
   end
-  def get_user({:ok, access_token}), do: get_user(access_token)
-  def get_user({:error, error}), do: {:error, error}
+  def get_user({:ok, access_token}, region), do: get_user(access_token, region)
+  def get_user({:error, error}, _), do: {:error, error}
 
   defp parse_user_response({:error, error}, _), do: {:error, error}
   defp parse_user_response({:ok, %HTTPoison.Response{body: body}}, access_token) do
@@ -28,36 +30,37 @@ defmodule MyApp.BattleNet.User do
     end
   end
 
-  # 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}
+  # end point is cached for ten minutes per user
+  @spec get_user_characters(integer, String.t, String.t) :: {:ok, map} | {:error, any}
+  def get_user_characters(user_id, access_token, region) do
+    case Cachex.get(:myapp, cache_key(user_id, region)) do
+      {:ok, data} ->
+        {:ok, data}
       {:missing, _} -> 
         access_token
-        |> resource_url("wow/user/characters")
+        |> resource_url("wow/user/characters", region)
         |> HTTPoison.get
-        |> parse_character_response(user_id)
+        |> parse_character_response(user_id, region)
     end
   end
 
-  defp parse_character_response({:error, error}, _), do: {:error, error}
-  defp parse_character_response({:ok, %HTTPoison.Response{body: body}}, user_id) do
+  defp parse_character_response({:error, error}, _, _), do: {:error, error}
+  defp parse_character_response({:ok, %HTTPoison.Response{body: body}}, user_id, region) do
     case Poison.decode(body) do
       {:ok, data} ->
         # only cache end point if characters return
         if (!data["characters"]) do
           {:error, data}
         else
-          Cachex.set(:myapp, "usr_char:#{user_id}", data, ttl: :timer.minutes(10)) # 10 minutes
+          Cachex.set(:myapp, cache_key(user_id, region), data, ttl: :timer.minutes(10)) # 10 minutes
         end
         {:ok, data}
       {:error, error} -> {:error, error}
     end
   end
 
-  defp resource_url(access_token, path) do
-    "#{api_url()}/#{path}?access_token=#{access_token}"
+  defp resource_url(access_token, path, region) do
+    "#{api_url(region)}/#{path}?access_token=#{access_token}"
   end
 
 end

lib/myapp_web/controllers/page_controller.ex

@@ -8,7 +8,7 @@ defmodule MyAppWeb.PageController do
     # cache index.html if prod
     file = case System.get_env("MIX_ENV") do
       :prod -> 
-        file = Cachex.get(:myapp, "index.html")
+        Cachex.get(:myapp, "index.html")
         |> get_file
       _ -> File.read!(Application.app_dir(:myapp, "priv/static/index.html"))
     end

lib/myapp_web/controllers/thread_controller.ex

@@ -34,22 +34,6 @@ defmodule MyAppWeb.ThreadController do
     |> Response.json(output)
   end
 
-  @spec update(map, map) :: any
-  def update(conn, params) do
-    user_id = conn
-    |> MyApp.Guardian.Plug.current_claims
-    |> Map.get("id")
-
-    {output, status} = params
-      |> Map.put("user_id",  user_id)
-      |> Data.Thread.user_update
-      |> Response.put_resp
-
-    conn
-    |> put_status(status)
-    |> Response.json(output)
-  end
-  
   @spec get_collection(map, map) :: any
   def get_collection(conn, params) do
 

lib/myapp_web/controllers/user_controller.ex

@@ -5,8 +5,6 @@ defmodule MyAppWeb.UserController do
   alias MyApp.Data
   alias MyApp.Guardian.Auth
 
-  # https://us.battle.net/oauth/authorize?redirect_uri=https://localhost/api/battlenet/authorize&scope=wow.profile&client_id=vxqv32fddxsy6cmk6259amtymbuzmfrq&response_type=code
-
   # this is for auth with username/password - currently only for admin
   def login(conn, params) do
     {output, status} = params
@@ -25,7 +23,11 @@ defmodule MyAppWeb.UserController do
 
     {output, status} = code
       |> BattleNet.Auth.get_access_token
-      |> BattleNet.User.get_user
+      # TODO: support for other regions maybe?
+      # right now a US user can auth with the EU end point
+      # maybe it works vice versa? Unable to test it out
+      # because I don't have a test eu account
+      |> BattleNet.User.get_user("us")
       |> Data.User.upsert_user
       |> Auth.Token.add_token_and_map_claims
       |> Response.put_resp
@@ -35,13 +37,15 @@ defmodule MyAppWeb.UserController do
     |>Response.json(output)
   end
 
-  def characters(conn, _params) do
+  def characters(conn, params) do
+    region = Map.get(params, "region")
+
     %{"access_token" => token, "id" => user_id} = conn
     |> MyApp.Guardian.Plug.current_claims
     |> Map.take(["access_token", "id"])
     
     {output, status} = user_id
-    |> BattleNet.User.get_user_characters(token)
+    |> BattleNet.User.get_user_characters(token, region)
     |> Response.put_resp
 
     conn
@@ -55,7 +59,7 @@ defmodule MyAppWeb.UserController do
     |> Map.take(["id", "access_token"])
     
     # validate the character exists in users WoW profile
-    {:ok, characterList} = BattleNet.User.get_user_characters(user_id, access_token)
+    {:ok, characterList} = BattleNet.User.get_user_characters(user_id, access_token, params["region"])
     exists = Enum.find(characterList["characters"], fn(char) ->
       char["name"] == params["character_name"] && char["realm"] == params["character_realm"]
     end)

lib/myapp_web/router.ex

@@ -38,7 +38,6 @@ defmodule MyAppWeb.Router do
       # authenticated routes
       pipe_through [:user_auth]
       post "/", ThreadController, :insert
-      put "/", ThreadController, :update
 
       pipe_through [:mod_auth]
       put "/mod", ThreadController, :mod_update