Python models.MStarredStory类代码示例

    def forwards(self, orm):
        from apps.rss_feeds.models import MStarredStory
        from apps.social.models import MSharedStory
        db = settings.MONGODB

        starred_count = MStarredStory.objects.count()
        print " ---> Saving %s starred stories..." % starred_count
        shared_count = MSharedStory.objects.count()
        print " ---> Saving %s shared stories..." % shared_count

        start = 0
        user_count = User.objects.latest('pk').pk
        for user_id in xrange(start, user_count):
            if user_id % 1000 == 0:
                print " ---> %s/%s" % (user_id, user_count)

            stories = MStarredStory.objects(user_id=user_id, story_hash__exists=False)\
                                .only('id', 'story_feed_id', 'story_guid')\
                                .read_preference(
                                    pymongo.ReadPreference.SECONDARY
                                )
            for i, story in enumerate(stories):
                
                db.newsblur.starred_stories.update({"_id": story.id}, {"$set": {
                    "story_hash": story.feed_guid_hash
                }})
            stories = MSharedStory.objects(user_id=user_id, story_hash__exists=False)\
                                .only('id', 'user_id', 'story_feed_id', 'story_guid')\
                                .read_preference(
                                    pymongo.ReadPreference.SECONDARY
                                )
            for i, story in enumerate(stories):
                db.newsblur.shared_stories.update({"_id": story.id}, {"$set": {
                    "story_hash": story.feed_guid_hash
                }})

def load_starred_stories(request):
    user = get_user(request)
    offset = int(request.REQUEST.get('offset', 0))
    limit = int(request.REQUEST.get('limit', 10))
    page = int(request.REQUEST.get('page', 0))
    if page: offset = limit * (page - 1)
        
    mstories = MStarredStory.objects(user_id=user.pk).order_by('-starred_date')[offset:offset+limit]
    stories = Feed.format_stories(mstories)
    
    for story in stories:
        story_date = localtime_for_timezone(story['story_date'], user.profile.timezone)
        now = localtime_for_timezone(datetime.datetime.now(), user.profile.timezone)
        story['short_parsed_date'] = format_story_link_date__short(story_date, now)
        story['long_parsed_date'] = format_story_link_date__long(story_date, now)
        starred_date = localtime_for_timezone(story['starred_date'], user.profile.timezone)
        story['starred_date'] = format_story_link_date__long(starred_date, now)
        story['read_status'] = 1
        story['starred'] = True
        story['intelligence'] = {
            'feed': 0,
            'author': 0,
            'tags': 0,
            'title': 0,
        }
    
    logging.user(request, "~FCLoading starred stories: ~SB%s stories" % (len(stories)))
    
    return dict(stories=stories)

def load_feeds(request):
    user            = get_user(request)
    feeds           = {}
    not_yet_fetched = False
    
    try:
        folders = UserSubscriptionFolders.objects.get(user=user)
    except UserSubscriptionFolders.DoesNotExist:
        data = dict(feeds=[], folders=[])
        return data
    except UserSubscriptionFolders.MultipleObjectsReturned:
        UserSubscriptionFolders.objects.filter(user=user)[1:].delete()
        folders = UserSubscriptionFolders.objects.get(user=user)
        
    user_subs = UserSubscription.objects.select_related('feed', 'feed__feed_icon').filter(user=user)
    
    for sub in user_subs:
        feeds[sub.feed.pk] = {
            'id': sub.feed.pk,
            'feed_title': sub.user_title or sub.feed.feed_title,
            'feed_address': sub.feed.feed_address,
            'feed_link': sub.feed.feed_link,
            'ps': sub.unread_count_positive,
            'nt': sub.unread_count_neutral,
            'ng': sub.unread_count_negative, 
            'updated': relative_timesince(sub.feed.last_update),
            'subs': sub.feed.num_subscribers,
            'active': sub.active,
            'favicon': sub.feed.icon.data,
            'favicon_color': sub.feed.icon.color,
            'favicon_fetching': bool(not (sub.feed.icon.not_found or sub.feed.icon.data))
        }
        
        if not sub.feed.fetched_once:
            not_yet_fetched = True
            feeds[sub.feed.pk]['not_yet_fetched'] = True
        if sub.feed.has_page_exception or sub.feed.has_feed_exception:
            feeds[sub.feed.pk]['has_exception'] = True
            feeds[sub.feed.pk]['exception_type'] = 'feed' if sub.feed.has_feed_exception else 'page'
            feeds[sub.feed.pk]['feed_address'] = sub.feed.feed_address
            feeds[sub.feed.pk]['exception_code'] = sub.feed.exception_code
        if not sub.feed.active and not sub.feed.has_feed_exception and not sub.feed.has_page_exception:
            sub.feed.count_subscribers()
            sub.feed.schedule_feed_fetch_immediately()
            
    if not_yet_fetched:
        for f in feeds:
            if 'not_yet_fetched' not in feeds[f]:
                feeds[f]['not_yet_fetched'] = False

    starred_count = MStarredStory.objects(user_id=user.pk).count()

    data = {
        'feeds': feeds,
        'folders': json.decode(folders.folders),
        'starred_count': starred_count,
    }
    return data

def mark_story_as_unstarred(request):
    code = 1
    story_id = request.POST["story_id"]

    starred_story = MStarredStory.objects(user_id=request.user.pk, story_guid=story_id)
    if starred_story:
        logging.info(" ---> [%s] ~FCUnstarring: ~SB%s" % (request.user, starred_story[0].story_title[:50]))
        starred_story.delete()
    else:
        code = -1

    return {"code": code}

def api_saved_story(request):
    user = request.user
    body = request.body_json
    after = body.get('after', None)
    before = body.get('before', None)
    limit = body.get('limit', 50)
    fields = body.get('triggerFields')
    story_tag = fields['story_tag']
    entries = []
    
    if story_tag == "all":
        story_tag = ""
    
    params = dict(user_id=user.pk)
    if story_tag:
        params.update(dict(user_tags__contains=story_tag))
    mstories = MStarredStory.objects(**params).order_by('-starred_date')[:limit]
    stories = Feed.format_stories(mstories)        
    
    found_feed_ids = list(set([story['story_feed_id'] for story in stories]))
    feeds = dict([(f.pk, {
        "title": f.feed_title,
        "website": f.feed_link,
        "address": f.feed_address,
    }) for f in Feed.objects.filter(pk__in=found_feed_ids)])

    for story in stories:
        if before and int(story['story_date'].strftime("%s")) > before: continue
        if after and int(story['story_date'].strftime("%s")) < after: continue
        feed = feeds.get(story['story_feed_id'], None)
        entries.append({
            "StoryTitle": story['story_title'],
            "StoryContent": story['story_content'],
            "StoryURL": story['story_permalink'],
            "StoryAuthor": story['story_authors'],
            "PublishedAt": story['story_date'].strftime("%Y-%m-%dT%H:%M:%SZ"),
            "SavedAt": story['starred_date'].strftime("%Y-%m-%dT%H:%M:%SZ"),
            "Tags": ', '.join(story['user_tags']),
            "Site": feed and feed['title'],
            "SiteURL": feed and feed['website'],
            "SiteRSS": feed and feed['address'],
            "ifttt": {
                "id": story['story_hash'],
                "timestamp": int(story['starred_date'].strftime("%s"))
            },
        })

    if after:
        entries = sorted(entries, key=lambda s: s['ifttt']['timestamp'])
        
    logging.user(request, "~FCChecking saved stories from ~SBIFTTT~SB: ~SB%s~SN - ~SB%s~SN stories" % (story_tag if story_tag else "[All stories]", len(entries)))
    
    return {"data": entries}

def mark_story_as_unstarred(request):
    code     = 1
    story_id = request.POST['story_id']
    
    starred_story = MStarredStory.objects(user_id=request.user.pk, story_guid=story_id)
    if starred_story:
        logging.user(request, "~FCUnstarring: ~SB%s" % (starred_story[0].story_title[:50]))
        starred_story.delete()
    else:
        code = -1
    
    return {'code': code}

def load_feeds(request):
    user             = get_user(request)
    feeds            = {}
    not_yet_fetched  = False
    include_favicons = request.REQUEST.get('include_favicons', False)
    flat             = request.REQUEST.get('flat', False)
    update_counts    = request.REQUEST.get('update_counts', False)
    
    if include_favicons == 'false': include_favicons = False
    if update_counts == 'false': update_counts = False
    if flat == 'false': flat = False
    
    if flat: return load_feeds_flat(request)
    
    try:
        folders = UserSubscriptionFolders.objects.get(user=user)
    except UserSubscriptionFolders.DoesNotExist:
        data = dict(feeds=[], folders=[])
        return data
    except UserSubscriptionFolders.MultipleObjectsReturned:
        UserSubscriptionFolders.objects.filter(user=user)[1:].delete()
        folders = UserSubscriptionFolders.objects.get(user=user)
    
    user_subs = UserSubscription.objects.select_related('feed').filter(user=user)
    
    for sub in user_subs:
        pk = sub.feed.pk
        if update_counts:
            sub.calculate_feed_scores(silent=True)
        feeds[pk] = sub.canonical(include_favicon=include_favicons)
        if feeds[pk].get('not_yet_fetched'):
            not_yet_fetched = True
        if not sub.feed.active and not sub.feed.has_feed_exception and not sub.feed.has_page_exception:
            sub.feed.count_subscribers()
            sub.feed.schedule_feed_fetch_immediately()
        if sub.active and sub.feed.active_subscribers <= 0:
            sub.feed.count_subscribers()
            sub.feed.schedule_feed_fetch_immediately()
            
    if not_yet_fetched:
        for f in feeds:
            if 'not_yet_fetched' not in feeds[f]:
                feeds[f]['not_yet_fetched'] = False

    starred_count = MStarredStory.objects(user_id=user.pk).count()

    data = {
        'feeds': feeds,
        'folders': json.decode(folders.folders),
        'starred_count': starred_count,
    }
    return data

def load_feeds(request):
    user = get_user(request)
    feeds = {}
    not_yet_fetched = False

    try:
        folders = UserSubscriptionFolders.objects.get(user=user)
    except UserSubscriptionFolders.DoesNotExist:
        data = dict(feeds=[], folders=[])
        return data
    except UserSubscriptionFolders.MultipleObjectsReturned:
        UserSubscriptionFolders.objects.filter(user=user)[1:].delete()
        folders = UserSubscriptionFolders.objects.get(user=user)

    user_subs = UserSubscription.objects.select_related("feed").filter(user=user)

    for sub in user_subs:
        feeds[sub.feed.pk] = {
            "id": sub.feed.pk,
            "feed_title": sub.user_title or sub.feed.feed_title,
            "feed_address": sub.feed.feed_address,
            "feed_link": sub.feed.feed_link,
            "ps": sub.unread_count_positive,
            "nt": sub.unread_count_neutral,
            "ng": sub.unread_count_negative,
            "updated": relative_timesince(sub.feed.last_update),
            "subs": sub.feed.num_subscribers,
            "active": sub.active,
        }

        if not sub.feed.fetched_once:
            not_yet_fetched = True
            feeds[sub.feed.pk]["not_yet_fetched"] = True
        if sub.feed.has_page_exception or sub.feed.has_feed_exception:
            feeds[sub.feed.pk]["has_exception"] = True
            feeds[sub.feed.pk]["exception_type"] = "feed" if sub.feed.has_feed_exception else "page"
            feeds[sub.feed.pk]["feed_address"] = sub.feed.feed_address
            feeds[sub.feed.pk]["exception_code"] = sub.feed.exception_code
        if not sub.feed.active and not sub.feed.has_feed_exception and not sub.feed.has_page_exception:
            sub.feed.count_subscribers()
            sub.feed.schedule_feed_fetch_immediately()

    if not_yet_fetched:
        for f in feeds:
            if "not_yet_fetched" not in feeds[f]:
                feeds[f]["not_yet_fetched"] = False

    starred_count = MStarredStory.objects(user_id=user.pk).count()

    data = {"feeds": feeds, "folders": json.decode(folders.folders), "starred_count": starred_count}
    return data

def api_saved_story(request):
    user = request.user
    body = json.decode(request.body)
    after = body.get('after', None)
    before = body.get('before', None)
    limit = body.get('limit', 50)
    fields = body.get('triggerFields')
    story_tag = fields['story_tag']
    entries = []
    
    if story_tag == "all":
        story_tag = ""
    
    mstories = MStarredStory.objects(
        user_id=user.pk,
        user_tags__contains=story_tag
    ).order_by('-starred_date')[:limit]
    stories = Feed.format_stories(mstories)        
    
    found_feed_ids = list(set([story['story_feed_id'] for story in stories]))
    feeds = dict([(f.pk, {
        "title": f.feed_title,
        "website": f.feed_link,
        "address": f.feed_address,
    }) for f in Feed.objects.filter(pk__in=found_feed_ids)])

    for story in stories:
        if before and int(story['story_date'].strftime("%s")) > before: continue
        if after and int(story['story_date'].strftime("%s")) < after: continue
        feed = feeds.get(story['story_feed_id'], None)
        entries.append({
            "StoryTitle": story['story_title'],
            "StoryContent": story['story_content'],
            "StoryUrl": story['story_permalink'],
            "StoryAuthor": story['story_authors'],
            "StoryDate": story['story_date'].isoformat(),
            "SavedDate": story['starred_date'].isoformat(),
            "SavedTags": ', '.join(story['user_tags']),
            "SiteTitle": feed and feed['title'],
            "SiteWebsite": feed and feed['website'],
            "SiteFeedAddress": feed and feed['address'],
            "ifttt": {
                "id": story['story_hash'],
                "timestamp": int(story['starred_date'].strftime("%s"))
            },
        })
    
    logging.user(request, "~FCChecking saved stories from ~SBIFTTT~SB: ~SB%s~SN - ~SB%s~SN stories" % (story_tag if story_tag else "[All stories]", len(entries)))
    
    return {"data": entries}

def load_river_stories(request):
    user = get_user(request)
    feed_ids = [int(feed_id) for feed_id in request.POST.getlist("feeds")]
    offset = int(request.REQUEST.get("offset", 0))
    limit = int(request.REQUEST.get("limit", 25))
    page = int(request.REQUEST.get("page", 0)) + 1
    read_stories = int(request.REQUEST.get("read_stories", 0))
    # if page: offset = limit * page
    if page:
        limit = limit * page - read_stories

    def feed_qvalues(feed_id):
        feed = UserSubscription.objects.get(feed__pk=feed_id, user=user)
        return Q(story_feed_id=feed_id) & Q(story_date__gte=feed.mark_read_date)

    feed_last_reads = map(feed_qvalues, feed_ids)
    qs = reduce(lambda q1, q2: q1 | q2, feed_last_reads)

    read_stories = MUserStory.objects(user_id=user.pk, feed_id__in=feed_ids).only("story")
    read_stories = [rs.story.id for rs in read_stories]
    mstories = MStory.objects(Q(id__nin=read_stories) & qs)[offset : offset + limit]
    stories = Feed.format_stories(mstories)

    starred_stories = MStarredStory.objects(user_id=user.pk, story_feed_id__in=feed_ids).only(
        "story_guid", "starred_date"
    )
    starred_stories = dict([(story.story_guid, story.starred_date) for story in starred_stories])

    for story in stories:
        story_date = localtime_for_timezone(story["story_date"], user.profile.timezone)
        story["short_parsed_date"] = format_story_link_date__short(story_date)
        story["long_parsed_date"] = format_story_link_date__long(story_date)
        story["read_status"] = 0
        if story["id"] in starred_stories:
            story["starred"] = True
            starred_date = localtime_for_timezone(starred_stories[story["id"]], user.profile.timezone)
            story["starred_date"] = format_story_link_date__long(starred_date)
        story["intelligence"] = {"feed": 0, "author": 0, "tags": 0, "title": 0}

    logging.info(
        " ---> [%s] ~FCLoading river stories: ~SB%s stories ~SN(%s feeds)" % (request.user, len(stories), len(feed_ids))
    )

    return dict(stories=stories)

def load_feeds(request):
    user            = get_user(request)
    feeds           = {}
    not_yet_fetched = False
    
    try:
        folders = UserSubscriptionFolders.objects.get(user=user)
    except UserSubscriptionFolders.DoesNotExist:
        data = dict(feeds=[], folders=[])
        return data
    except UserSubscriptionFolders.MultipleObjectsReturned:
        UserSubscriptionFolders.objects.filter(user=user)[1:].delete()
        folders = UserSubscriptionFolders.objects.get(user=user)
        
    user_subs = UserSubscription.objects.select_related('feed', 'feed__feed_icon').filter(user=user)
    
    for sub in user_subs:
        feeds[sub.feed.pk] = sub.canonical()
        if feeds[sub.feed.pk].get('not_yet_fetched'):
            not_yet_fetched = True
        if not sub.feed.active and not sub.feed.has_feed_exception and not sub.feed.has_page_exception:
            sub.feed.count_subscribers()
            sub.feed.schedule_feed_fetch_immediately()
        if sub.active and sub.feed.active_subscribers <= 0:
            sub.feed.count_subscribers()
            sub.feed.schedule_feed_fetch_immediately()
            
    if not_yet_fetched:
        for f in feeds:
            if 'not_yet_fetched' not in feeds[f]:
                feeds[f]['not_yet_fetched'] = False

    starred_count = MStarredStory.objects(user_id=user.pk).count()

    data = {
        'feeds': feeds,
        'folders': json.decode(folders.folders),
        'starred_count': starred_count,
    }
    return data

def load_starred_stories(request):
    user = get_user(request)
    offset = int(request.REQUEST.get("offset", 0))
    limit = int(request.REQUEST.get("limit", 10))
    page = int(request.REQUEST.get("page", 0))
    if page:
        offset = limit * page

    mstories = MStarredStory.objects(user_id=user.pk).order_by("-starred_date")[offset : offset + limit]
    stories = Feed.format_stories(mstories)

    for story in stories:
        story_date = localtime_for_timezone(story["story_date"], user.profile.timezone)
        story["short_parsed_date"] = format_story_link_date__short(story_date)
        story["long_parsed_date"] = format_story_link_date__long(story_date)
        starred_date = localtime_for_timezone(story["starred_date"], user.profile.timezone)
        story["starred_date"] = format_story_link_date__long(starred_date)
        story["read_status"] = 1
        story["starred"] = True
        story["intelligence"] = {"feed": 0, "author": 0, "tags": 0, "title": 0}

    logging.info(" ---> [%s] ~FCLoading starred stories: ~SB%s stories" % (request.user, len(stories)))

    return dict(stories=stories)

def load_river_stories(request):
    limit              = 18
    offset             = 0
    start              = datetime.datetime.utcnow()
    user               = get_user(request)
    feed_ids           = [int(feed_id) for feed_id in request.REQUEST.getlist('feeds') if feed_id]
    original_feed_ids  = list(feed_ids)
    page               = int(request.REQUEST.get('page', 1))
    read_stories_count = int(request.REQUEST.get('read_stories_count', 0))
    new_flag           = request.REQUEST.get('new_flag', False)
    bottom_delta       = datetime.timedelta(days=settings.DAYS_OF_UNREAD)
    
    if not feed_ids: 
        logging.user(request, "~FCLoading empty river stories: page %s" % (page))
        return dict(stories=[])
    
    # Fetch all stories at and before the page number.
    # Not a single page, because reading stories can move them up in the unread order.
    # `read_stories_count` is an optimization, works best when all 25 stories before have been read.
    limit = limit * page - read_stories_count
    
    # Read stories to exclude
    read_stories = MUserStory.objects(user_id=user.pk, feed_id__in=feed_ids).only('story_id')
    read_stories = [rs.story_id for rs in read_stories]
    
    # Determine mark_as_read dates for all feeds to ignore all stories before this date.
    # max_feed_count     = 0
    feed_counts     = {}
    feed_last_reads = {}
    for feed_id in feed_ids:
        try:
            usersub = UserSubscription.objects.get(feed__pk=feed_id, user=user)
        except UserSubscription.DoesNotExist:
            continue
        if not usersub: continue
        feed_counts[feed_id] = (usersub.unread_count_negative * 1 + 
                                usersub.unread_count_neutral * 10 +
                                usersub.unread_count_positive * 20)
        # if feed_counts[feed_id] > max_feed_count:
        #     max_feed_count = feed_counts[feed_id]
        feed_last_reads[feed_id] = int(time.mktime(usersub.mark_read_date.timetuple()))
    feed_counts = sorted(feed_counts.items(), key=itemgetter(1))[:50]
    feed_ids = [f[0] for f in feed_counts]
    feed_last_reads = dict([(str(feed_id), feed_last_reads[feed_id]) for feed_id in feed_ids
                            if feed_id in feed_last_reads])
    feed_counts = dict(feed_counts)

    # After excluding read stories, all that's left are stories 
    # past the mark_read_date. Everything returned is guaranteed to be unread.
    mstories = MStory.objects(
        story_guid__nin=read_stories,
        story_feed_id__in=feed_ids,
        # story_date__gte=start - bottom_delta
    ).map_reduce("""function() {
            var d = feed_last_reads[this[~story_feed_id]];
            if (this[~story_date].getTime()/1000 > d) {
                emit(this[~id], this);
            }
        }""",
        """function(key, values) {
            return values[0];
        }""",
        output='inline',
        scope={
            'feed_last_reads': feed_last_reads
        }
    )
    mstories = [story.value for story in mstories if story and story.value]

    mstories = sorted(mstories, cmp=lambda x, y: cmp(story_score(y, bottom_delta), story_score(x, bottom_delta)))

    # story_feed_counts = defaultdict(int)
    # mstories_pruned = []
    # for story in mstories:
    #     print story['story_title'], story_feed_counts[story['story_feed_id']]
    #     if story_feed_counts[story['story_feed_id']] >= 3: continue
    #     mstories_pruned.append(story)
    #     story_feed_counts[story['story_feed_id']] += 1
    stories = []
    for i, story in enumerate(mstories):
        if i < offset: continue
        if i >= offset + limit: break
        stories.append(bunch(story))
    stories = Feed.format_stories(stories)
    found_feed_ids = list(set([story['story_feed_id'] for story in stories]))
    
    # Find starred stories
    starred_stories = MStarredStory.objects(
        user_id=user.pk,
        story_feed_id__in=found_feed_ids
    ).only('story_guid', 'starred_date')
    starred_stories = dict([(story.story_guid, story.starred_date) 
                            for story in starred_stories])
    
    # Intelligence classifiers for all feeds involved
    def sort_by_feed(classifiers):
        feed_classifiers = defaultdict(list)
        for classifier in classifiers:
            feed_classifiers[classifier.feed_id].append(classifier)
        return feed_classifiers
#.........这里部分代码省略.........

def load_single_feed(request, feed_id):
    start        = time.time()
    user         = get_user(request)
    offset       = int(request.REQUEST.get('offset', 0))
    limit        = int(request.REQUEST.get('limit', 12))
    page         = int(request.REQUEST.get('page', 1))
    dupe_feed_id = None
    userstories_db = None
    
    if page: offset = limit * (page-1)
    if not feed_id: raise Http404
        
    try:
        feed = Feed.objects.get(id=feed_id)
    except Feed.DoesNotExist:
        feed_address = request.REQUEST.get('feed_address')
        dupe_feed = DuplicateFeed.objects.filter(duplicate_address=feed_address)
        if dupe_feed:
            feed = dupe_feed[0].feed
            dupe_feed_id = feed_id
        else:
            raise Http404
        
    stories = feed.get_stories(offset, limit) 
        
    # Get intelligence classifier for user
    classifier_feeds   = list(MClassifierFeed.objects(user_id=user.pk, feed_id=feed_id))
    classifier_authors = list(MClassifierAuthor.objects(user_id=user.pk, feed_id=feed_id))
    classifier_titles  = list(MClassifierTitle.objects(user_id=user.pk, feed_id=feed_id))
    classifier_tags    = list(MClassifierTag.objects(user_id=user.pk, feed_id=feed_id))
    
    checkpoint1 = time.time()
    
    usersub = UserSubscription.objects.get(user=user, feed=feed)
    userstories = []
    if usersub and stories:
        story_ids = [story['id'] for story in stories]
        userstories_db = MUserStory.objects(user_id=user.pk,
                                            feed_id=feed.pk,
                                            story_id__in=story_ids).only('story_id')
        starred_stories = MStarredStory.objects(user_id=user.pk, 
                                                story_feed_id=feed_id, 
                                                story_guid__in=story_ids).only('story_guid', 'starred_date')
        starred_stories = dict([(story.story_guid, story.starred_date) for story in starred_stories])
        userstories = set(us.story_id for us in userstories_db)
            
    checkpoint2 = time.time()
    
    for story in stories:
        story_date = localtime_for_timezone(story['story_date'], user.profile.timezone)
        now = localtime_for_timezone(datetime.datetime.now(), user.profile.timezone)
        story['short_parsed_date'] = format_story_link_date__short(story_date, now)
        story['long_parsed_date'] = format_story_link_date__long(story_date, now)
        if usersub:
            if story['id'] in userstories:
                story['read_status'] = 1
            elif not story.get('read_status') and story['story_date'] < usersub.mark_read_date:
                story['read_status'] = 1
            elif not story.get('read_status') and story['story_date'] > usersub.last_read_date:
                story['read_status'] = 0
            if story['id'] in starred_stories:
                story['starred'] = True
                starred_date = localtime_for_timezone(starred_stories[story['id']], user.profile.timezone)
                story['starred_date'] = format_story_link_date__long(starred_date, now)
        else:
            story['read_status'] = 1
        story['intelligence'] = {
            'feed': apply_classifier_feeds(classifier_feeds, feed),
            'author': apply_classifier_authors(classifier_authors, story),
            'tags': apply_classifier_tags(classifier_tags, story),
            'title': apply_classifier_titles(classifier_titles, story),
        }

    checkpoint3 = time.time()
    
    # Intelligence
    feed_tags = json.decode(feed.data.popular_tags) if feed.data.popular_tags else []
    feed_authors = json.decode(feed.data.popular_authors) if feed.data.popular_authors else []
    classifiers = get_classifiers_for_user(user, feed_id, classifier_feeds, 
                                           classifier_authors, classifier_titles, classifier_tags)
    
    if usersub:
        usersub.feed_opens += 1
        usersub.save()
    diff1 = checkpoint1-start
    diff2 = checkpoint2-start
    diff3 = checkpoint3-start
    timediff = time.time()-start
    last_update = relative_timesince(feed.last_update)
    logging.user(request, "~FYLoading feed: ~SB%s%s ~SN(%.4s seconds, ~SB%.4s/%.4s(%s)/%.4s~SN)" % (
        feed.feed_title[:32], ('~SN/p%s' % page) if page > 1 else '', timediff,
        diff1, diff2, userstories_db and userstories_db.count() or '~SN0~SB', diff3))
    FeedLoadtime.objects.create(feed=feed, loadtime=timediff)
    
    data = dict(stories=stories, 
                feed_tags=feed_tags, 
                feed_authors=feed_authors, 
                classifiers=classifiers,
                last_update=last_update,
                feed_id=feed.pk)
#.........这里部分代码省略.........

def load_single_feed(request, feed_id):
    start = datetime.datetime.utcnow()
    user = get_user(request)
    offset = int(request.REQUEST.get('offset', 0))
    limit = int(request.REQUEST.get('limit', 12))
    page = int(request.REQUEST.get('page', 1))
    if page:
        offset = limit * (page-1)
    dupe_feed_id = None
    if not feed_id:
        raise Http404
        
    try:
        feed = Feed.objects.get(id=feed_id)
    except Feed.DoesNotExist:
        feed_address = request.REQUEST.get('feed_address')
        dupe_feed = DuplicateFeed.objects.filter(duplicate_address=feed_address)
        if dupe_feed:
            feed = dupe_feed[0].feed
            dupe_feed_id = feed_id
        else:
            raise Http404
        
    stories = feed.get_stories(offset, limit) 
        
    # Get intelligence classifier for user
    classifier_feeds   = MClassifierFeed.objects(user_id=user.pk, feed_id=feed_id)
    classifier_authors = MClassifierAuthor.objects(user_id=user.pk, feed_id=feed_id)
    classifier_titles  = MClassifierTitle.objects(user_id=user.pk, feed_id=feed_id)
    classifier_tags    = MClassifierTag.objects(user_id=user.pk, feed_id=feed_id)
    
    usersub = UserSubscription.objects.get(user=user, feed=feed)
    userstories = []
    if usersub:
        userstories_db = MUserStory.objects(user_id=user.pk,
                                            feed_id=feed.pk,
                                            read_date__gte=usersub.mark_read_date)
        starred_stories = MStarredStory.objects(user_id=user.pk, story_feed_id=feed_id).only('story_guid', 'starred_date')
        starred_stories = dict([(story.story_guid, story.starred_date) for story in starred_stories])

        for us in userstories_db:
            if hasattr(us.story, 'story_guid') and isinstance(us.story.story_guid, unicode):
                userstories.append(us.story.story_guid)
            elif hasattr(us.story, 'id') and isinstance(us.story.id, unicode):
                userstories.append(us.story.id) # TODO: Remove me after migration from story.id->guid
            
    for story in stories:
        [x.rewind() for x in [classifier_feeds, classifier_authors, classifier_tags, classifier_titles]]
        story_date = localtime_for_timezone(story['story_date'], user.profile.timezone)
        now = localtime_for_timezone(datetime.datetime.now(), user.profile.timezone)
        story['short_parsed_date'] = format_story_link_date__short(story_date, now)
        story['long_parsed_date'] = format_story_link_date__long(story_date, now)
        if usersub:
            if story['id'] in userstories:
                story['read_status'] = 1
            elif not story.get('read_status') and story['story_date'] < usersub.mark_read_date:
                story['read_status'] = 1
            elif not story.get('read_status') and story['story_date'] > usersub.last_read_date:
                story['read_status'] = 0
            if story['id'] in starred_stories:
                story['starred'] = True
                starred_date = localtime_for_timezone(starred_stories[story['id']], user.profile.timezone)
                story['starred_date'] = format_story_link_date__long(starred_date, now)
        else:
            story['read_status'] = 1
        story['intelligence'] = {
            'feed': apply_classifier_feeds(classifier_feeds, feed),
            'author': apply_classifier_authors(classifier_authors, story),
            'tags': apply_classifier_tags(classifier_tags, story),
            'title': apply_classifier_titles(classifier_titles, story),
        }
    
    # Intelligence
    feed_tags = json.decode(feed.data.popular_tags) if feed.data.popular_tags else []
    feed_authors = json.decode(feed.data.popular_authors) if feed.data.popular_authors else []
    classifiers = get_classifiers_for_user(user, feed_id, classifier_feeds, 
                                           classifier_authors, classifier_titles, classifier_tags)
    
    if usersub:
        usersub.feed_opens += 1
        usersub.save()
    
    diff = datetime.datetime.utcnow()-start
    timediff = float("%s.%.2s" % (diff.seconds, (diff.microseconds / 1000)))
    last_update = relative_timesince(feed.last_update)
    logging.user(request.user, "~FYLoading feed: ~SB%s%s ~SN(%s seconds)" % (
        feed, ('~SN/p%s' % page) if page > 1 else '', timediff))
    FeedLoadtime.objects.create(feed=feed, loadtime=timediff)
    
    data = dict(stories=stories, 
                feed_tags=feed_tags, 
                feed_authors=feed_authors, 
                classifiers=classifiers,
                last_update=last_update,
                feed_id=feed.pk)
    
    if dupe_feed_id: data['dupe_feed_id'] = dupe_feed_id
    if not usersub:
        data.update(feed.canonical())
        
#.........这里部分代码省略.........