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class RelatedFlickrJson(BrowserView): |
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"""Makes two Flickr API calls and writes the number of related |
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photos and URLs for the most viewed related photo from the Pleiades |
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Places group to JSON like |
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{"portrait": { |
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"url": "http://flickr.com/photos/27621672@N04/3734425631/in/pool-1876758@N22", |
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"img": "http://farm3.staticflickr.com/2474/3734425631_b15979f2cd_m.jpg", |
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"title": "Pont d'Ambroix by sgillies" }, |
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"related": { |
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"url": ["http://www.flickr.com/photos/tags/pleiades:*=149492/"], |
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"total": 2 }} |
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for use in the Flickr Photos portlet on every Pleiades place page. |
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""" |
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def __call__(self, **kw): |
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data = {} |
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pid = self.context.getId() # local id like "149492" |
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# Count of related photos |
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tag = "pleiades:*=" + pid |
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h = httplib2.Http() |
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q = dict( |
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method="flickr.photos.search", |
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api_key=FLICKR_API_KEY, |
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machine_tags="pleiades:*=%s" % self.context.getId(), |
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format="json", |
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nojsoncallback=1 ) |
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resp, content = h.request(FLICKR_API_ENDPOINT + "?" + urlencode(q), "GET") |
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if resp['status'] == "200": |
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total = 0 |
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photos = simplejson.loads(content).get('photos') |
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if photos: |
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total = int(photos['total']) |
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data['related'] = dict(total=total, url=FLICKR_TAGS_BASE + tag) |
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# Get portrait photo from group pool |
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tag = "pleiades:depicts=" + pid |
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h = httplib2.Http() |
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q = dict( |
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method="flickr.groups.pools.getPhotos", |
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api_key=FLICKR_API_KEY, |
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group_id=PLEIADES_PLACES_ID, |
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tags=tag, |
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extras="views", |
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format="json", |
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nojsoncallback=1 ) |
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resp, content = h.request(FLICKR_API_ENDPOINT + "?" + urlencode(q), "GET") |
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if resp['status'] == '200': |
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total = 0 |
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photos = simplejson.loads(content).get('photos') |
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if photos: |
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total = int(photos['total']) |
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if total < 1: |
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data['portrait'] = None |
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else: |
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# Sort found photos by number of views, descending |
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most_viewed = sorted( |
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photos['photo'], key=lambda p: p['views'], reverse=True ) |
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photo = most_viewed[0] |
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title = photo['title'] + " by " + photo['ownername'] |
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data['portrait'] = dict( |
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title=title, img=IMG_TMPL % photo, url=PAGE_TMPL % photo ) |
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self.request.response.setStatus(200) |
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self.request.response.setHeader('Content-Type', 'application/json') |
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return simplejson.dumps(data) |
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