Diva front end (#150)

Basic diva frontend implemented. Changing name and level string working. And some basic playlog page which needs more data

Co-authored-by: = <=>
Reviewed-on: Hay1tsme/artemis#150
Co-authored-by: ThatzOkay <thatzokay@noreply.gitea.tendokyu.moe>
Co-committed-by: ThatzOkay <thatzokay@noreply.gitea.tendokyu.moe>

changelog.md

@@ -5,6 +5,10 @@ Documenting updates to ARTEMiS, to be updated every time the master branch is pu
 ### CHUNITHM
 + CHUNITHM LUMINOUS support
 
+## 20240616
+### DIVA
++ Working frontend with name and level strings edit and playlog
+
 ## 20240530
 ### DIVA
 + Fix reader for when dificulty is not a int

titles/diva/__init__.py

@@ -2,8 +2,10 @@ from titles.diva.index import DivaServlet
 from titles.diva.const import DivaConstants
 from titles.diva.database import DivaData
 from titles.diva.read import DivaReader
+from .frontend import DivaFrontend
 
 index = DivaServlet
 database = DivaData
 reader = DivaReader
+frontend = DivaFrontend
 game_codes = [DivaConstants.GAME_CODE]

titles/diva/frontend.py

@@ -0,0 +1,182 @@
+from typing import List
+from starlette.routing import Route, Mount
+from starlette.requests import Request
+from starlette.responses import Response, RedirectResponse
+from os import path
+import yaml
+import jinja2
+
+from core.frontend import FE_Base, UserSession
+from core.config import CoreConfig
+from .database import DivaData
+from .config import DivaConfig
+from .const import DivaConstants
+
+class DivaFrontend(FE_Base):
+    def __init__(
+        self, cfg: CoreConfig, environment: jinja2.Environment, cfg_dir: str
+    ) -> None:
+        super().__init__(cfg, environment)
+        self.data = DivaData(cfg)
+        self.game_cfg = DivaConfig()
+        if path.exists(f"{cfg_dir}/{DivaConstants.CONFIG_NAME}"):
+            self.game_cfg.update(
+                yaml.safe_load(open(f"{cfg_dir}/{DivaConstants.CONFIG_NAME}"))
+            )
+        self.nav_name = "diva"
+    
+    def get_routes(self) -> List[Route]:
+        return [
+            Route("/", self.render_GET, methods=['GET']),
+            Mount("/playlog", routes=[
+                Route("/", self.render_GET_playlog, methods=['GET']),
+                Route("/{index}", self.render_GET_playlog, methods=['GET']),
+            ]),
+            Route("/update.name", self.update_name, methods=['POST']),
+            Route("/update.lv", self.update_lv, methods=['POST']),
+        ]
+    
+    async def render_GET(self, request: Request) -> bytes:
+        template = self.environment.get_template(
+            "titles/diva/templates/diva_index.jinja"
+        )
+        usr_sesh = self.validate_session(request)
+        if not usr_sesh:
+            usr_sesh = UserSession()
+        
+        if usr_sesh.user_id > 0:
+            profile = await self.data.profile.get_profile(usr_sesh.user_id, 1)
+            
+            resp = Response(template.render(
+                title=f"{self.core_config.server.name} | {self.nav_name}",
+                game_list=self.environment.globals["game_list"],
+                sesh=vars(usr_sesh),
+                user_id=usr_sesh.user_id,
+                profile=profile
+            ), media_type="text/html; charset=utf-8")
+            return resp
+        else:
+            return RedirectResponse("/gate")
+    
+    async def render_GET_playlog(self, request: Request) -> bytes:
+        template = self.environment.get_template(
+            "titles/diva/templates/diva_playlog.jinja"
+        )
+        usr_sesh = self.validate_session(request)
+        if not usr_sesh:
+            usr_sesh = UserSession()
+        
+        if usr_sesh.user_id > 0:
+            path_index = request.path_params.get("index")
+            if not path_index or int(path_index) < 1:
+                index = 0
+            else:
+                index = int(path_index) - 1 # 0 and 1 are 1st page
+            user_id = usr_sesh.user_id
+            playlog_count = await self.data.score.get_user_playlogs_count(user_id)
+            if playlog_count < index * 20 :
+                return Response(template.render(
+                    title=f"{self.core_config.server.name} | {self.nav_name}",
+                    game_list=self.environment.globals["game_list"],
+                    sesh=vars(usr_sesh),
+                    score_count=0
+                ), media_type="text/html; charset=utf-8")
+            playlog = await self.data.score.get_playlogs(user_id, index, 20) #Maybe change to the playlog instead of direct scores
+            playlog_with_title = []
+            for record in playlog:
+                song = await self.data.static.get_music_chart(record[2], record[3], record[4])
+                if song:
+                    title = song.title
+                    vocaloid_arranger = song.vocaloid_arranger
+                else:
+                    title = "Unknown"
+                    vocaloid_arranger = "Unknown"
+                playlog_with_title.append({
+                    "raw": record,
+                    "title": title,
+                    "vocaloid_arranger": vocaloid_arranger
+                })
+            return Response(template.render(
+                title=f"{self.core_config.server.name} | {self.nav_name}",
+                game_list=self.environment.globals["game_list"],
+                sesh=vars(usr_sesh),
+                user_id=usr_sesh.user_id,
+                playlog=playlog_with_title,
+                playlog_count=playlog_count
+            ), media_type="text/html; charset=utf-8")
+        else:
+            return RedirectResponse("/gate/", 300)
+        
+    async def update_name(self, request: Request) -> Response:
+        usr_sesh = self.validate_session(request)
+        if not usr_sesh:
+            return RedirectResponse("/gate")
+        
+        form_data = await request.form()
+        new_name: str = form_data.get("new_name")
+        new_name_full = ""
+
+        if not new_name:
+            return RedirectResponse("/gate/?e=4", 303)
+        
+        if len(new_name) > 8:
+            return RedirectResponse("/gate/?e=8", 303)
+        
+        for x in new_name: # FIXME: This will let some invalid characters through atm
+            o = ord(x)
+            try:
+                if o == 0x20:
+                    new_name_full += chr(0x3000)
+                elif o < 0x7F and o > 0x20:
+                    new_name_full += chr(o + 0xFEE0)
+                elif o <= 0x7F:
+                    self.logger.warn(f"Invalid ascii character {o:02X}")
+                    return RedirectResponse("/gate/?e=4", 303)
+                else:
+                    new_name_full += x
+            
+            except Exception as e:
+                self.logger.error(f"Something went wrong parsing character {o:04X} - {e}")
+                return RedirectResponse("/gate/?e=4", 303)
+            
+        if not await self.data.profile.update_profile(usr_sesh.user_id, player_name=new_name_full):
+            return RedirectResponse("/gate/?e=999", 303)
+
+        return RedirectResponse("/game/diva", 303)
+        
+    async def update_lv(self, request: Request) -> Response:
+        usr_sesh = self.validate_session(request)
+        if not usr_sesh:
+            return RedirectResponse("/gate")
+        
+        form_data = await request.form()
+        new_lv: str = form_data.get("new_lv")
+        new_lv_full = ""
+
+        if not new_lv:
+            return RedirectResponse("/gate/?e=4", 303)
+        
+        if len(new_lv) > 8:
+            return RedirectResponse("/gate/?e=8", 303)
+        
+        for x in new_lv: # FIXME: This will let some invalid characters through atm
+            o = ord(x)
+            try:
+                if o == 0x20:
+                    new_lv_full += chr(0x3000)
+                elif o < 0x7F and o > 0x20:
+                    new_lv_full += chr(o + 0xFEE0)
+                elif o <= 0x7F:
+                    self.logger.warn(f"Invalid ascii character {o:02X}")
+                    return RedirectResponse("/gate/?e=4", 303)
+                else:
+                    new_lv_full += x
+            
+            except Exception as e:
+                self.logger.error(f"Something went wrong parsing character {o:04X} - {e}")
+                return RedirectResponse("/gate/?e=4", 303)
+            
+        if not await self.data.profile.update_profile(usr_sesh.user_id, lv_str=new_lv_full):
+            return RedirectResponse("/gate/?e=999", 303)
+            
+        return RedirectResponse("/game/diva", 303)

titles/diva/schema/profile.py

@@ -90,7 +90,7 @@ class DivaProfileData(BaseData):
             return None
         return result.lastrowid
 
-    async def update_profile(self, aime_id: int, **profile_args) -> None:
+    async def update_profile(self, aime_id: int, **profile_args) -> bool:
         """
         Given an aime_id update the profile corresponding to the arguments
         which are the diva_profile Columns
@@ -102,7 +102,9 @@ class DivaProfileData(BaseData):
             self.logger.error(
                 f"update_profile: failed to update profile! profile: {aime_id}"
             )
-        return None
+            return False
+        
+        return True
 
     async def get_profile(self, aime_id: int, version: int) -> Optional[List[Dict]]:
         """

titles/diva/schema/score.py

@@ -239,3 +239,23 @@ class DivaScoreData(BaseData):
         if result is None:
             return None
         return result.fetchall()
+    
+    async def get_playlogs(self, aime_id: int, idx: int = 0, limit: int = 0) -> Optional[Row]:
+        sql = select(playlog).where(playlog.c.user == aime_id).order_by(playlog.c.date_scored.desc())
+
+        if limit:
+            sql = sql.limit(limit)
+            if idx:
+                sql = sql.offset(idx)
+        
+        result = await self.execute(sql)
+        if result:
+            return result.fetchall()
+
+    async def get_user_playlogs_count(self, aime_id: int) -> Optional[int]:
+        sql = select(func.count()).where(playlog.c.user == aime_id)
+        result = await self.execute(sql)
+        if result is None:
+            self.logger.warning(f"aimu_id {aime_id} has no scores ")
+            return None
+        return result.scalar()

titles/diva/templates/css/diva_style.css

@@ -0,0 +1,195 @@
+.diva-header {
+    text-align: center;
+}
+
+ul.diva-navi {
+    list-style-type: none;
+    padding: 0;
+    overflow: hidden;
+    background-color: #333;
+    text-align: center;
+    display: inline-block;
+}
+
+ul.diva-navi li {
+    display: inline-block;
+}
+
+ul.diva-navi li a {
+    display: block;
+    color: white;
+    text-align: center;
+    padding: 14px 16px;
+    text-decoration: none;
+}
+
+ul.diva-navi li a:hover:not(.active) {
+    background-color: #111;
+}
+
+ul.diva-navi li a.active {
+    background-color: #4CAF50;
+}
+
+ul.diva-navi li.right {
+    float: right;
+}
+
+@media screen and (max-width: 600px) {
+
+    ul.diva-navi li.right,
+    ul.diva-navi li {
+        float: none;
+        display: block;
+        text-align: center;
+    }
+}
+
+table {
+    border-collapse: collapse;
+    border-spacing: 0;
+    border-collapse: separate;
+    overflow: hidden;
+    background-color: #555555;
+
+}
+
+th, td {
+    text-align: left;
+    border: none;
+
+}
+
+th {
+    color: white;
+}
+
+.table-rowdistinct tr:nth-child(even) {
+    background-color: #303030;
+}
+
+.table-rowdistinct tr:nth-child(odd) {
+    background-color: #555555;
+}
+
+caption {
+    text-align: center;
+    color: white;
+    font-size: 18px;
+    font-weight: bold;
+}
+
+.table-large {
+    margin: 16px;
+}
+
+.table-large th,
+.table-large td {
+    padding: 8px;
+}
+
+.table-small {
+    width: 100%;
+    margin: 4px;
+}
+
+.table-small th,
+.table-small td {
+    padding: 2px;
+}
+
+.bg-card {
+    background-color: #555555;
+}
+
+.card-hover {
+    transition: all 0.2s ease-in-out;
+}
+
+.card-hover:hover {
+    transform: scale(1.02);
+}
+
+.basic {
+    color: #28a745;
+    font-weight: bold;
+}
+
+.hard {
+    color: #ffc107;
+
+    font-weight: bold;
+}
+
+.expert {
+    color: #dc3545;
+    font-weight: bold;
+}
+
+.master {
+    color: #dd09e8;
+    font-weight: bold;
+}
+
+.ultimate {
+    color: #000000;
+    font-weight: bold;
+}
+
+.score {
+    color: #ffffff;
+    font-weight: bold;
+}
+
+.rainbow {
+    background: linear-gradient(to right, red, yellow, lime, aqua, blue, fuchsia) 0 / 5em;
+    background-clip: text;
+    -webkit-background-clip: text;
+    -webkit-text-fill-color: transparent;
+    font-weight: bold;
+}
+
+.platinum {
+    color: #FFFF00;
+    font-weight: bold;
+}
+
+.gold {
+    color: #FFFF00;
+    font-weight: bold;
+}
+
+.scrolling-text {
+    overflow: hidden;
+}
+
+.scrolling-text p {
+    white-space: nowrap;
+    display: inline-block;
+
+}
+
+.scrolling-text h6 {
+    white-space: nowrap;
+    display: inline-block;
+
+}
+
+.scrolling-text h5 {
+    white-space: nowrap;
+    display: inline-block;
+
+}
+
+.scrolling {
+    animation: scroll 10s linear infinite;
+}
+
+@keyframes scroll {
+    0% {
+        transform: translateX(100%);
+    }
+    100% {
+        transform: translateX(-100%);
+    }
+}

titles/diva/templates/diva_header.jinja

@@ -0,0 +1,17 @@
+<div class="diva-header">
+  <h1>diva</h1>
+  <ul class="diva-navi">
+    <li><a class="nav-link" href="/game/diva/">PROFILE</a></li>
+    <li><a class="nav-link" href="/game/diva/playlog/">RECORD</a></li>
+  </ul>
+</div>
+<script>
+  $(document).ready(function () {
+    var currentPath = window.location.pathname;
+    if (currentPath === '/game/diva/') {
+      $('.nav-link[href="/game/diva/"]').addClass('active');
+    } else if (currentPath.startsWith('/game/diva/playlog/')) {
+      $('.nav-link[href="/game/diva/playlog/"]').addClass('active');
+    }
+  });
+</script>

titles/diva/templates/diva_index.jinja

@@ -0,0 +1,111 @@
+{% extends "core/templates/index.jinja" %}
+{% block content %}
+<style>
+    {% include 'titles/diva/templates/css/diva_style.css' %}
+</style>
+<div class="container">
+    {% include 'titles/diva/templates/diva_header.jinja' %}
+    {% if profile is defined and profile is not none and profile|length > 0 %}
+    <div class="row">
+        <div class="col-lg-8 m-auto mt-3">
+            <div class="card bg-card rounded">
+                <table class="table-large table-rowdistinct">
+                    <caption align="top" class="text-center">OVERVIEW</caption>
+                    <tr>
+                        <th>Player name:</th>
+                        <th>{{ profile[3] }}</th>
+                        <th>
+                            <button type="button" class="btn btn-primary btn-sm" data-bs-toggle="modal"
+                                data-bs-target="#name_change">Edit</button>
+                        </th>
+                        <th>Level string:</th>
+                        <th>{{ profile[4] }}</th>
+                        <th>
+                            <button type="button" class="btn btn-primary btn-sm" data-bs-toggle="modal"
+                                data-bs-target="#lv_change">Edit</button>
+                        </th>
+                    </tr>
+                    <tr>
+                        <td>Lvl:</td>
+                        <td>{{ profile[5] }}</td>
+                        <td></td>
+                        <td></td>
+                        <td></td>
+                        <td></td>
+                    </tr>
+                    <tr>
+                        <td>Lvl points:</td>
+                        <td>{{ profile[6] }}</td>
+                        <td></td>
+                        <td></td>
+                        <td></td>
+                        <td></td>
+                    </tr>
+                    <tr>
+                        <td>Vocaloid points:</td>
+                        <td>{{ profile[7] }}</td>
+                        <td></td>
+                        <td></td>
+                        <td></td>
+                        <td></td>
+                    </tr>
+                </table>
+            </div>
+        </div>
+    </div>
+    {% if error is defined %}
+    {% include "core/templates/widgets/err_banner.jinja" %}
+    {% endif %}
+    {% elif sesh is defined and sesh is not none and sesh.user_id > 0 %}
+    No profile information found for this account.
+    {% else %}
+    Login to view profile information.
+    {% endif %}
+</div>
+<div class="modal fade" id="name_change" tabindex="-1" aria-labelledby="name_change_label" data-bs-theme="dark"
+    aria-hidden="true">
+    <div class="modal-dialog modal-dialog-centered">
+        <div class="modal-content">
+            <div class="modal-header">
+                <h5 class="modal-title">Name change</h5>
+            </div>
+            <div class="modal-body">
+                <form id="new_name_form" action="/game/diva/update.name" method="post" style="outline: 0;">
+                    <label class="form-label" for="new_name">new name:</label>
+                    <input class="form-control" aria-describedby="newNameHelp" form="new_name_form" id="new_name"
+                        name="new_name" maxlength="14" type="text" required>
+                    <div id="newNameHelp" class="form-text">name must be full-width character string.
+                    </div>
+                </form>
+            </div>
+            <div class="modal-footer">
+                <input type=submit class="btn btn-primary" type="button" form="new_name_form">
+                <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Close</button>
+            </div>
+        </div>
+    </div>
+</div>
+<div class="modal fade" id="lv_change" tabindex="-1" aria-labelledby="lv_change_label" data-bs-theme="dark"
+    aria-hidden="true">
+    <div class="modal-dialog modal-dialog-centered">
+        <div class="modal-content">
+            <div class="modal-header">
+                <h5 class="modal-title">Level string change</h5>
+            </div>
+            <div class="modal-body">
+                <form id="new_lv_form" action="/game/diva/update.lv" method="post" style="outline: 0;">
+                    <label class="form-label" for="new_lv">new level string:</label>
+                    <input class="form-control" aria-describedby="newLvHelp" form="new_lv_form" id="new_lv" name="new_lv"
+                        maxlength="14" type="text" required>
+                    <div id="newLvHelp" class="form-text">level string must be full-width character string.
+                    </div>
+                </form>
+                <div class="modal-footer">
+                    <input type=submit class="btn btn-primary" type="button" form="new_lv_form">
+                    <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Close</button>
+                </div>
+            </div>
+        </div>
+    </div>
+</div>
+{% endblock %}

titles/diva/templates/diva_playlog.jinja

@@ -0,0 +1,169 @@
+{% extends "core/templates/index.jinja" %}
+{% block content %}
+<style>
+    {% include 'titles/diva/templates/css/diva_style.css' %}
+</style>
+<div class="container">
+    {% include 'titles/diva/templates/diva_header.jinja' %}
+    {% if playlog is defined and playlog is not none %}
+    <div class="row">
+        <h4 style="text-align: center;">Score counts: {{ playlog_count }}</h4>
+        {% set difficultyName = ['easy', 'normal', 'hard', 'extreme', 'extra extreme'] %}
+        {% set clearState = ['MISSxTAKE', 'STANDARD', 'GREAT', 'EXELLENT', 'PERFECT'] %}
+        {% for record in playlog %}
+            <div class="col-lg-6 mt-3">
+                <div class="card bg-card rounded card-hover">
+                  <div class="card bg-card rounded card-hover">
+                    <div class="card-header row">
+                      <div class="col-8 scrolling-text">
+                        <h5 class="card-text">{{ record.title }}</h5>
+                        <br>
+                        <h6 class="card-text">{{ record.vocaloid_arranger }}</h6>
+                      </div>
+                      <div class="col-4">
+                        <h6 class="card-text">{{record.raw.date_scored}}</h6>
+                      </div>
+                    </div>
+                    <div class="card-body row">
+                      <div class="col-3" style="text-align: center;">
+                        <h4 class="card-text">{{ record.raw.score }}</h4>
+                        <h2>{{ record.raw.atn_pnt / 100 }}%</h2>
+                        <h6>{{ difficultyName[record.raw.difficulty] }}</h6>
+                      </div>
+                      <div class="col-6" style="text-align: center;">
+                        <table class="table-small table-rowdistinc">
+                          <tr>
+                            <td>COOL</td>
+                            <td>{{ record.raw.cool }}</td>
+                          </tr>
+                          <tr>
+                            <td>FINE</td>
+                            <td>{{ record.raw.fine }}</td>
+                          </tr>
+                          <tr>
+                            <td>SAFE</td>
+                            <td>{{ record.raw.safe }}</td>
+                          </tr>
+                          <tr>
+                            <td>SAD</td>
+                            <td>{{ record.raw.sad }}</td>
+                          </tr>
+                          <tr>
+                            <td>WORST</td>
+                            <td>{{ record.raw.worst }}</td>
+                          </tr>
+                        </table>
+                      </div>
+                      <div class="col-3" style="text-align: center;">
+                        <h6>{{ record.raw.max_combo }}</h6>
+                        {% if record.raw.clr_kind == -1 %}
+                        <h6>{{ clearState[0] }}</h6>
+                        {% elif record.raw.clr_kind == 2 %}
+                        <h6>{{ clearState[1] }}</h6>
+                        {% elif record.raw.clr_kind == 3 %}
+                        <h6>{{ clearState[2] }}</h6>
+                        {% elif record.raw.clr_kind == 4 %}
+                        <h6>{{ clearState[3] }}</h6>
+                        {% elif record.raw.clr_kind == 5 %}
+                        <h6>{{ clearState[4] }}</h6>
+                        {% endif %}
+                        {% if record.raw.clr_kind == -1 %}
+                        <h6>NOT CLEAR</h6>
+                        {% else %}
+                        <h6>CLEAR</h6>
+                        {% endif %}
+                      </div>
+                    </div>
+                  </div>
+                </div>
+            </div>
+        {% endfor %}
+    </div>
+    {% set playlog_pages = playlog_count // 20 + 1 %}
+    {% elif sesh is defined and sesh is not none and sesh.user_id > 0 %}
+    No Score information found for this account.
+    {% else %}
+        Login to view profile information.
+  {% endif %}
+</div>
+<footer class="navbar-fixed-bottom">
+    <nav aria-label="Score page navication">
+        <ul class="pagination justify-content-center mt-3">
+            <li class="page-item"><a id="prev_page" class="page-link" href="#">Previous</a></li>
+            <li class="page-item"><a id="first_page" class="page-link" href="/game/diva/playlog/">1</a></li>
+                <li class="page-item"><a id="prev_3_page" class="page-link" href="">...</a></li>
+                <li class="page-item"><a id="front_page" class="page-link" href="">2</a></li>
+                <li class="page-item"><a id="cur_page" class="page-link active" href="">3</a></li>
+                <li class="page-item"><a id="back_page" class="page-link" href="">4</a></li>
+                <li class="page-item"><a id="next_3_page" class="page-link" href="">...</a></li>
+                <li class="page-item"><a id="last_page" class="page-link" href="/game/diva/playlog/{{ playlog_pages }}">{{
+          playlog_pages }}</a></li>
+      <li class="page-item"><a id="next_page" class="page-link" href="#">Next</a></li>
+      &nbsp
+            </ul>
+        </nav>
+    </footer>
+
+<script>
+  $(document).ready(function () {
+    $('.scrolling-text p, .scrolling-text h1, .scrolling-text h2, .scrolling-text h3, .scrolling-text h4, .scrolling-text h5, .scrolling-text h6').each(function () {
+      var parentWidth = $(this).parent().width();
+      var elementWidth = $(this).outerWidth();
+      var elementWidthWithPadding = $(this).outerWidth(true);
+
+      if (elementWidthWithPadding > parentWidth) {
+        $(this).addClass('scrolling');
+      }
+    });
+
+    var currentUrl = window.location.pathname;
+    var currentPage = parseInt(currentUrl.split('/').pop());
+    var rootUrl = '/game/diva/playlog/';
+    var scorePages = {{ playlog_pages }};
+  if (Number.isNaN(currentPage)) {
+    currentPage = 1;
+  }
+  $('#cur_page').text(currentPage);
+  $('#prev_page').attr('href', rootUrl + (currentPage - 1))
+  $('#next_page').attr('href', rootUrl + (currentPage + 1))
+  $('#front_page').attr('href', rootUrl + (currentPage - 1))
+  $('#front_page').text(currentPage - 1);
+  $('#back_page').attr('href', rootUrl + (currentPage + 1))
+  $('#back_page').text(currentPage + 1);
+  $('#prev_3_page').attr('href', rootUrl + (currentPage - 3))
+  $('#next_3_page').attr('href', rootUrl + (currentPage + 3))
+  if ((currentPage - 1) < 3) {
+    $('#prev_3_page').hide();
+    if ((currentPage - 1) < 2) {
+      $('#front_page').hide();
+      if (currentPage === 1) {
+        $('#first_page').hide();
+        $('#prev_page').addClass('disabled');
+      }
+    }
+  }
+  if ((scorePages - currentPage) < 3) {
+    $('#next_3_page').hide();
+    if ((scorePages - currentPage) < 2) {
+      $('#back_page').hide();
+      if (currentPage === scorePages) {
+        $('#last_page').hide();
+        $('#next_page').addClass('disabled');
+      }
+    }
+  }
+
+  $('#go_button').click(function () {
+    var pageNumber = parseInt($('#page_input').val());
+
+    if (!Number.isNaN(pageNumber) && pageNumber <= scorePages && pageNumber >= 0) {
+      var url = '/game/diva/playlog/' + pageNumber;
+      window.location.href = url;
+    } else {
+      $('#page_input').val('');
+      $('#page_input').attr('placeholder', 'invalid input!');
+    }
+  });
+  });
+</script>
+{% endblock content %}