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파이선 웹구축_장고_34_투표 좋아요, 좋아요 취소 기능, 누적 조회 본문
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- 좋아요 기능 구현
1. 좋아요 버튼 생성 <templates> > <vote> > 'detail.html'
'detail.html'
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<a href="{% url 'board:likey' %}" class="btn btn-primary">좋아요</a>
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2. 경로 설정 <vote> > 'urls.py'
'urls.py'
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urlpatterns = [ path('likey/<bpk>', views.likey, name='likey') ]
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3. 좋아요 함수 설정 <vote> > 'views.py'
'views.py'
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def likey(request, bpk):
b = Board.objects.get(id=bpk)
b.likey.add(request.user)
return redirect('board:detail', bpk)
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= 좋아요 취소 기능
4. 좋아요 누른 후, 취소 버튼 생성 <templates> > <vote> > 'detail.html'
'detail.html'
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{% extends 'base.html' %}
{% block con %}
<h1><b>{{ b.subject }}</b></h1>
<div class="row mt-5">
<div class="col-sm-9">
<textarea class="form-control" style="height:200px" disabled>{{ b.content }}</textarea>
</div>
<div class="col-sm-3">
<img src="{{b.writer.getpic}}" width="100%">
<!-- b.writer : 레코드 자체-->
<div class="text-center mt-3">
<h5>written by <b>{{ b.writer }}</b></h5>
</div>
<div class="text-end mt-3">
recent update: <br>
{{ b.pubdate|date:"Y년 m월 d일/ H:i" }}
</div>
</div>
</div>
<div class="text-end mt-4">
{% if user in b.likey.all %}
<a href="{% url 'board:unlikey' b.id %}" class="btn btn-danger">좋아요취소</a>
{% else %}
<a href="{% url 'board:likey' b.id %}" class="btn btn-primary">좋아요</a>
{% endif%}
<a href="{% url 'board:index' %}" class="btn btn-dark">글목록</a>
{% if user == b.writer %}
<a href="{% url 'board:update' b.id %}" class="btn btn-dark">글수정</a>
<!-- Button trigger modal -->
<button type="button" class="btn btn-danger" data-bs-toggle="modal" data-bs-target="#remove">
글삭제
</button>
{% endif %}
</div>
<!-- Modal -->
<div class="modal fade" id="remove" tabindex="-1" aria-labelledby="exampleModalLabel" aria-hidden="true">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title" id="exampleModalLabel"><b>게시글 삭제 알림창</b></h5>
<button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
</div>
<div class="modal-body">
정말 삭제하시겠습니까?
</div>
<div class="modal-footer">
<button type="button" class="btn btn-secondary" data-bs-dismiss="modal">취소</button>
<a href="{% url 'board:delete' b.id %}" class="btn btn-danger">삭제</a>
</div>
</div>
</div>
</div>
{% endblock %}
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5. 좋아요 취소 경로 설정 <vote> > 'urls.py'
'urls.py'
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from django.urls import path
from . import views
app_name="board"
urlpatterns = [
path('index/', views.index, name='index'),
path('detail/<bpk>', views.detail, name='detail'),
path('delete/<bpk>', views.delete, name='delete'),
path('create', views.create, name='create'),
path('update/<bpk>', views.update, name='update'),
path('likey/<bpk>', views.likey, name='likey'),
path('unlikey/<bpk>', views.unlikey, name='unlikey'),
]
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6. 함수 설정 <vote> > 'views.py'
'views.py'
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def unlikey(request, bpk):
b = Board.objects.get(id=bpk)
b.likey.remove(request.user)
return redirect('board:detail', bpk)
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= 메인 페이지에서 좋아요 숫자 확인하기
7. 메인 페이지 작성 <templates> > <vote> > 'index.html'
+ <td>{{i.likey.count}}</td> 추가
'index.html'
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{% extends 'base.html' %}
{% load mathfilters %}
{% block con %}
<h1><b>게시판</b></h1>
<div class="text-end">
<a href="{% url 'board:create' %}" class="btn btn-dark">게시글생성</a>
</div>
<table class="table table-hover mt-4">
<thead>
<tr class="table-dark">
<th scope="col">NO</th>
<th scope="col">SUBJECT</th>
<th scope="col">SUMMARY</th>
<th scope="col">WRITER</th>
<th scope="col">LIKEY</th>
</tr>
</thead>
<tbody>
{% for i in bset %}
<tr>
<th scope="row">{{i.id}}</th>
<td><a class="sub" href="{% url 'board:detail' i.id %}">{{i.subject}}</a></td>
<td>{{ i.content|truncatewords:3 }}</td>
<!--글자 수 제한-->
<td>{{i.writer}}</td>
<td>{{i.likey.count}}</td>
</tr>
{% empty %}
<tr>
{% if kw %}
<th> 첫 번째 게시글을 작성해주세요!</th>
{% else %}
<th> 첫 번째 게시글을 작성해주세요!</th>
{% endif %}
</tr>
{% endfor %}
</tbody>
</table>
<style>
.sub {
text-decoration: none;
color:black;
font-weight: bold;
}
.sub:hover{
color:red;
}
</style>
{% if bset.has_previous %}
<nav aria-label="Page navigation example">
<ul class="pagination justify-content-center">
<li class="page-item" ><a class="page-link" href="{% url 'board:index' %}?page={{ bset.start_page }}&cate={{cate}}&kw={{kw}}">HOME</a></li>
{% if bset.has_previous%}
<li class="page-item">
<a href="{% url 'board:index' %}?page={{ bset.previous_page_number}}&cate={{cate}}&kw={{kw}}" class="page-link">PRE</a>
</li>
{% endif %}
{% for i in bset.paginator.page_range %}
{% if bset.number|add:3 >= i and i >= bset.number|sub:3%}
<li class="page-item {% if bset.number == i %}active{% endif %}" disabled ><a class="page-link" href="{% url 'board:index' %}?page={{i}}">{{i}}</a></li>
{% endif %}
{% endfor %}
{% if bset.has_next%}
<li class="page-item">
<a class="page-link" href="{% url 'board:index' %}?page={{ bset.next_page_number}}&cate={{cate}}&kw={{kw}}">NEXT</a>
</li>
{% endif %}
<li class="page-item"><a class="page-link" href="{% url 'board:index' %}?page={{bset.paginator.num_pages}}&cate={{cate}}&kw={{kw}}">FIN</a></li>
</ul>
</nav>
{% elif not bset.has_previous %}
<nav aria-label="Page navigation example">
<ul class="pagination justify-content-center">
<li class="page-item" ><a class="page-link" href="{% url 'board:index' %}?page={{ bset.start_page }}&cate={{cate}}&kw={{kw}}">HOME</a></li>
{% if bset.has_previous%}
<li class="page-item">
<a href="{% url 'board:index' %}?page={{ bset.previous_page_number}}&cate={{cate}}&kw={{kw}}" class="page-link">PRE</a>
</li>
{% endif %}
{% for i in bset.paginator.page_range %}
{% if bset.number|add:3 >= i and i >= bset.number|sub:3%}
<li class="page-item {% if bset.number == i %}active{% endif %}" disabled ><a class="page-link" href="{% url 'board:index' %}?page={{i}}">{{i}}</a></li>
{% endif %}
{% endfor %}
{% if bset.has_next %}
<li class="page-item">
<a class="page-link" href="{% url 'board:index' %}?page={{bset.next_page_number}}&cate={{cate}}&kw={{kw}}">NEXT</a>
</li>
{% elif not bset.has_next %}
<li class="page-item">
<a class="page-link" href="{% url 'board:index' %}?page={{bset.next_page_number}}&cate={{cate}}&kw={{kw}}" disabled>Next</a>
</li>
{% endif %}
<li class="page-item"><a class="page-link" href="{% url 'board:index' %}?page={{bset.paginator.num_pages}}&cate={{cate}}&kw={{kw}}">마지막</a></li>
</ul>
</nav>
{{paginator.num_pages}}
{% endif %}
<div class ='row'>
<div class='col-sm-2' name='cate'>
<select calss ='form-select' name='cate' style ='width:100%; height:100%'>
<option value="sub" {% if cate == 'sub' %} selected {% endif %}>제목</option>
<option value='wri' {% if cate == 'wri' %} selected {% endif %}>작성자</option>
<option value="con" {% if cate == 'con' %} selected {% endif %}>내용</option>
<!--검색 데이터 유지-->
</select>
</div>
<div class='col-sm-6'>
<input type='text' class='form-control' name='kw' value="{{kw}}" >
</div>
<div class='col-sm-2'>
<button class='btn btn-secondary' style ='width:100%'>Search</button>
</div>
<div class='col-sm-2'>
<a href="{% url 'board:index' %}"><button type="button" class='btn btn-dark' style ='width:100%'>Reset</button></a>
</div>
<div class='col-sm-2'></div>
<div class='col-sm-2'></div>
</div>
{% endblock %}
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