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Example usage of SimpleCouchPaginator

Author:
toke
Posted:
November 20, 2008
Language:
Python
Version:
1.0
Score:
0 (after 0 ratings)

Example Usage of Very basic CouchDB Paginator

An Example setup of CouchDB with django can be found at: Eric Florenzanos post about django+couchdb

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### Example usage of SimpleCouchPaginator

from myproject.db.couchdb import db
from paginatoe import SimpleCouchPaginator, CouchPaginator

MIN_INT_DATE = 0
MAX_INT_DATE = 9999999999999
MIN_STRING = u''
MAX_STRING = u"\u9999"

def myview1(request):
    item_type_viewname = 'mydesigndoc/by_user_date_type'
    pages_item_type_viewname = 'mydesigndoc/pages-by_user_date_type'
    username = request.user.username
    pages_view = db.view(pages_item_type_viewname,
                            endkey=[username, MIN_INT_DATE, MIN_STRING],
                            startkey=[username, MAX_INT_DATE, MAX_STRING],
                            descending=True,
                            )
    myitems = db.view(item_type_viewname,
                            include_docs=True,
                            endkey=[username, MIN_INT_DATE, MIN_STRING],
                            startkey=[username, MAX_INT_DATE, MAX_STRING],
                            descending=True,
                            )
    try:
        page_number = request.GET.get('page', 1)
        paginate = CouchPaginator(myitems, count, pages_view=pages_view)
        page = paginate.page(page_number)
        items = paginate.object_list
    except EmptyPage:
        raise Http404("Page %s empty" % page_number)
    except PageNotAnInteger:
        raise Http404("No page '%s'" % page_number)
        
    context = {
        'items': items,
        'paginate': paginate,
        'page': page,
    }
    return render_to_response("test1.html", context,
        context_instance=RequestContext(request)
    )

def myview2(request, count=10):

    item_type_viewname = 'mydesigndoc/by_user_date_type'
    username = request.user.username
    inquiry_items = db.view(item_type_viewname,
                            include_docs=True,
                            endkey=[username, MIN_INT_DATE, MIN_STRING],
                            startkey=[username, MAX_INT_DATE, MAX_STRING],
                            descending=True,
                            )
    
    try:
        page = request.GET.get('page', 1)
        paginate = Paginator(count, inquiry_items)
        paginate.page(page)
        items = paginate.object_list
    except EmptyPage:
        raise Http404("Page %s empty" % page)
    except PageNotAnInteger:
        raise Http404("No page '%s'" % page)
        
    context = {
        'items': items,
        'paginate': paginate,
    }
    return render_to_response("test2.html", context,
        context_instance=RequestContext(request)
    )

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