增加 统计信息 页面，集成Echarts

Slackers/settings.py

@@ -82,7 +82,7 @@ DATABASES = {
 # Internationalization
 # https://docs.djangoproject.com/en/1.8/topics/i18n/
 
-LANGUAGE_CODE = 'en-US'
+LANGUAGE_CODE = 'zh_Hans'
 
 TIME_ZONE = 'GMT+8'
 

init_db_data.py

@@ -10,6 +10,7 @@ import django
 django.setup()
 
 import json
+import argparse
 import random
 import datetime
 import os.path as op
@@ -34,7 +35,7 @@ def init_reader_data(amount=50):
 
 
 def init_book_data():
-    with open(op.join('DoubanBookSpider', 'books.json'), 'r') as f:
+    with open('books.json', 'r') as f:
         books = json.loads(f.read())
 
     for b in books:
@@ -49,27 +50,56 @@ def init_book_data():
 
 def init_borrowing_data(amount=50):
     for i in range(amount):
-        try:
-            reader = Reader.objects.get(pk=random.randint(1, 50))
-        except Reader.DoesNotExist:
-            pass
+        reader = random.choice(Reader.objects.all())
         isbn = random.choice(Book.objects.all())
         issued = datetime.date.today() + datetime.timedelta(random.randint(1, 30))
         due_to_returned = issued + datetime.timedelta(30)
+        date_returned = issued + datetime.timedelta(random.randint(1, 40))
+        returned_flag = True
+
+        if random.randint(1, 100) % 2 == 0:
+            returned_flag = False
+
+        if returned_flag:
+            if (date_returned - issued).days > 30:
+                fine = ((date_returned - issued).days - 30) * 0.1
+            else:
+                fine = 0
 
-        if reader.max_borrowing > 0:
             b = Borrowing.objects.create(
                 reader=reader,
                 ISBN=isbn,
                 date_issued=issued,
-                date_due_to_returned=due_to_returned)
-
-            reader.max_borrowing -= 1
-            reader.save()
+                date_due_to_returned=due_to_returned,
+                date_returned=date_returned,
+                amount_of_fine=fine,
+            )
             b.save()
+        else:
+
+            if reader.max_borrowing > 0 and isbn.quantity > 0:
+                b = Borrowing.objects.create(
+                    reader=reader,
+                    ISBN=isbn,
+                    date_issued=issued,
+                    date_due_to_returned=due_to_returned
+                )
+
+                reader.max_borrowing -= 1
+                isbn.quantity -= 1
+                reader.save()
+                isbn.save()
+                b.save()
 
 
 if __name__ == '__main__':
-    init_reader_data()
-    init_book_data()
-    init_borrowing_data()
+    parser = argparse.ArgumentParser()
+    parser.add_argument("data", help=u"你要生成的数据")
+    args = parser.parse_args()
+
+    if args.data == 'all':
+        init_reader_data()
+        init_book_data()
+        init_borrowing_data()
+    else:
+        init_borrowing_data()

library/templates/library/about.html

@@ -1,8 +1,6 @@
 {% extends 'library/base.html' %}
 
-{% block title %}
-    关于
-{% endblock %}
+{% block title %} 关于 {% endblock %}
 
 {% block content %}
 

library/templates/library/base.html

@@ -8,6 +8,7 @@
     {% load static %}
     <link rel="stylesheet" type="text/css" href="{% static 'library/bootstrap/css/bootstrap.min.css' %}"/>
     <link rel="stylesheet" type="text/css" href="{% static 'library/custom.css' %}"/>
+    <script src="{% static 'library/echarts.min.js' %}"></script>
     <!-- The above 3 meta tags *must* come first in the head; any other head content must come *after* these tags -->
     <title>{% block title %}{% endblock %}</title>
 
@@ -39,6 +40,7 @@
         <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
             <ul class="nav navbar-nav">
                 <li><a href="/search/?keyword=_书目列表">书目列表</a></li>
+                <li><a href="/statistics/">统计信息</a></li>
                 <li><a href="/about/">关于</a></li>
             </ul>
 

library/templates/library/index.html

@@ -1,8 +1,6 @@
 {% extends 'library/base.html' %}
 
-{% block title %}
-    欢迎来到图书馆！
-{% endblock %}
+{% block title %} 欢迎来到图书馆！ {% endblock %}
 
 
 {% block content %}

library/templates/library/login.html

@@ -1,8 +1,6 @@
 {% extends 'library/base.html' %}
 
-{% block title %}
-    请登陆
-{% endblock %}
+{% block title %} 请登陆 {% endblock %}
 
 {% load static %}
 <link href="{% static 'library/signin.css' %}" rel="stylesheet">

library/templates/library/register.html

@@ -1,8 +1,6 @@
 {% extends 'library/base.html' %}
 
-{% block title %}
-    请登陆
-{% endblock %}
+{% block title %} 请登陆 {% endblock %}
 
 {% load static %}
 <link href="{% static 'library/signin.css' %}" rel="stylesheet">

library/templates/library/search.html

@@ -27,7 +27,7 @@
             </form>
         </div>
 
-        <h2 class="label-success text-center col-md-5 col-md-offset-3">以下是{{ search_by }}匹配'{{ keyword }}'的结果</h2>
+        <h2 class="label-success text-center col-md-5 col-md-offset-4">以下是{{ search_by }}匹配'{{ keyword }}'的结果</h2>
         <table class="table table-hover">
             <thead>
             <th>#</th>

library/templates/library/statistics.html

@@ -0,0 +1,64 @@
+{% extends 'library/base.html' %}
+{% load staticfiles %}
+
+{% block title %} 统计信息 {% endblock %}
+
+{% block content %}
+
+    <div class="text-center">
+        <h1>统计信息</h1>
+    </div>
+    <div id="reader-rank" class="col-md-offset-3" style="width: 1000px;height:400px;"></div>
+    <div id="book-rank" class="col-md-offset-3 myContainer" style="width: 1000px;height:400px;"></div>
+    <script type="text/javascript">
+        // 基于准备好的dom，初始化echarts实例
+        var readerChart = echarts.init(document.getElementById('reader-rank'));
+        var bookChart = echarts.init(document.getElementById('book-rank'));
+
+        // 指定图表的配置项和数据
+        var readerOption = {
+            title: {
+                text: '借书排行榜'
+            },
+            tooltip: {},
+            legend: {
+                data: ['借书量']
+            },
+            xAxis: {
+                data: [ {% for x in readerData %} '{{ x }}', {% endfor %} ]
+
+            },
+            yAxis: {},
+            series: [{
+                name: '借书量',
+                type: 'bar',
+                data: [ {% for x in readerAmountData %} '{{ x }}', {% endfor %} ]
+
+            }]
+        };
+
+        var bookOption = {
+            title: {
+                text: '最受欢迎的图书'
+            },
+            tooltip: {},
+            legend: {
+                data: ['借书量'],
+            },
+            xAxis: {
+                data: [ {% for x in bookData %} '《{{ x }}》', {% endfor %} ]
+
+            },
+            yAxis: {},
+            series: [{
+                name: '借书量',
+                type: 'bar',
+                data: [ {% for x in bookAmountData %} '{{ x }}', {% endfor %} ]
+
+            }]
+        };
+        readerChart.setOption(readerOption);
+        bookChart.setOption(bookOption);
+    </script>
+
+{% endblock %}

library/urls.py

@@ -19,5 +19,6 @@ urlpatterns = [
                   url(r'^book/action$', views.reader_operation, name='reader_operation'),
                   url(r'^search/', views.book_search, name='book_search'),
                   url(r'^profile/', views.profile, name='profile'),
+                  url(r'^statistics/', views.statistics, name='statistics'),
                   url(r'^about/', views.about, name='about'),
               ] + static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)

library/views.py

@@ -257,7 +257,7 @@ def book_detail(request):
                 reader.save()
 
                 bk = Book.objects.get(pk=ISBN)
-                bk.quantity-=1
+                bk.quantity -= 1
                 bk.save()
 
                 issued = datetime.date.today()
@@ -282,5 +282,37 @@ def book_detail(request):
     return render(request, 'library/book_detail.html', context)
 
 
+def statistics(request):
+    borrowing = Borrowing.objects.all()
+    readerInfo = {}
+    for r in borrowing:
+        if r.reader.name not in readerInfo:
+            readerInfo[r.reader.name] = 1
+        else:
+            readerInfo[r.reader.name] += 1
+
+    bookInfo = {}
+    for r in borrowing:
+        if r.ISBN.title not in bookInfo:
+            bookInfo[r.ISBN.title] = 1
+        else:
+            bookInfo[r.ISBN.title] += 1
+
+    readerData = list(sorted(readerInfo, key=readerInfo.__getitem__, reverse=True))[0:10]
+    bookData = list(sorted(bookInfo, key=bookInfo.__getitem__, reverse=True))[0:5]
+
+    readerAmountData = [readerInfo[x] for x in readerData]
+
+    bookAmountData = [bookInfo[x] for x in bookData]
+
+    context = {
+        'readerData': readerData,
+        'readerAmountData': readerAmountData,
+        'bookData': bookData,
+        'bookAmountData': bookAmountData,
+    }
+    return render(request, 'library/statistics.html', context)
+
+
 def about(request):
     return render(request, 'library/about.html', {})