admin

catalog/admin.py

@@ -5,5 +5,9 @@ from django.contrib import admin
 
 from catalog.models import Publisher
 
-admin.site.register(Publisher)
+#admin.site.register(Publisher)
+class PublisherAdmin(admin.ModelAdmin):
+	list_display = ('name', 'shortName', 'type', 'url')
+admin.site.register(Publisher, PublisherAdmin)
+
 

catalog/templates/leftMenuBar.html

@@ -53,11 +53,11 @@
 			<ul class="nav nav-second-level" aria-expanded="true">
 				<form role="form">
 				        <li>
-				               <a href="#">JSON</a>
+				               <a href="{% url 'ws-download-news' %}?{{ request.GET.urlencode }}&format=JSON" target="blank">JSON</a>
 				        </li>
 
 					<li>
-				               <a href="#">CSV</a>
+				      		<a href="{% url 'ws-download-news' %}?{{ request.GET.urlencode }}&format=CSV" target="blank">CSV</a>
 					</li>
 
 

catalog/views.py

@@ -19,9 +19,24 @@ import urllib
 from django.db.models import Count
 from django.core.urlresolvers import reverse
 import json
-
+import StringIO
+import time
+import zipfile
+import csv
 from django.db.models.functions import TruncMonth, TruncYear
 #-------------------------------------------------------------------------------
+def news2JSON(news):
+	data = list()
+	for n in news:
+		item = dict()
+		item['date'] = n.date.strftime('%Y-%m-%d')
+		item['publisher'] = n.publisher.name
+		item['title'] = n.title
+		item['text'] = n.text
+		item['url'] = n.url
+		data.append(item)
+	return data
+#-------------------------------------------------------------------------------
 def getNewsByRequest(request):
 	print "getNewsByRequest\n\n\n"
 
@@ -54,11 +69,12 @@ def index(request):
 	news = getNewsByRequest(request)
 	form = SearchForm(request.GET.copy())
 
-	if 'startDate' not in form or ('startDate' in form and form['startDate'].value == ""):
-		form.data.update({'startDate':news.earliest('date').date.strftime("%Y-%m-%d")})
+	if len(news)>0:
+		if 'startDate' not in form or ('startDate' in form and form['startDate'].value == ""):
+			form.data.update({'startDate':news.earliest('date').date.strftime("%Y-%m-%d")})
 
-	if 'endDate' not in form or ('endDate' in form and form['endDate'].value == ""):
-		form.data.update({'endDate':news.latest('date').date.strftime("%Y-%m-%d")})
+		if 'endDate' not in form or ('endDate' in form and form['endDate'].value == ""):
+			form.data.update({'endDate':news.latest('date').date.strftime("%Y-%m-%d")})
 
 	info = dict()
 	info['nPublishers'] = news.values('publisher').distinct().count()
@@ -188,8 +204,28 @@ def wsGraphs(request):
 	return HttpResponse(json.dumps(data), content_type="application/json")
 #-------------------------------------------------------------------------------
 def wsDownloadNews(request):
-	data=dict()
+	news = getNewsByRequest(request)
+
+	s = StringIO.StringIO()		# Open StringIO to grab in-memory ZIP contents	
+	zf = zipfile.ZipFile(s, "w")	# The zip compressor
+	zf.writestr("setting.txt", json.dumps(request.GET))
+	data = news2JSON(news);
+
 	if request.GET['format']=="JSON":
-		data = 0;
-	return HttpResponse(json.dumps(data), content_type="application/json")
+		zf.writestr("data.json", json.dumps(data))
+
+	if request.GET['format']=="CSV":
+		csvString = StringIO.StringIO()	
+ 		writer = csv.writer(csvString,quoting=csv.QUOTE_ALL)#, fieldnames=[k for k in data[0]])
+#		writer.writeheader()
+		for d in data:
+			row = [ d[k].encode('utf-8') for k in d ]
+    			writer.writerow( row )
+		zf.writestr("data.csv", csvString.getvalue())
+	
+
+	zf.close()
+	response = HttpResponse(s.getvalue(), content_type="application/x-zip-compressed")
+	response['Content-Disposition'] = 'attachment; filename="news_'+ str(int(time.time()))+'.zip"'
+	return response