Show top datasets cross-publisher. Drop-down for the publisher. Browser version numbers filtered on download, so you get this version in the CSV too - for privacy. single_popular_dataset now copes when not much data, and can return the figures so DGU can reskin it in its own repo. Notes about usage stats centralised to notes.html.
Show top datasets cross-publisher. Drop-down for the publisher. Browser version numbers filtered on download, so you get this version in the CSV too - for privacy. single_popular_dataset now copes when not much data, and can return the figures so DGU can reskin it in its own repo. Notes about usage stats centralised to notes.html.

file:a/README.rst -> file:b/README.rst
--- a/README.rst
+++ b/README.rst
@@ -31,10 +31,8 @@
 2. Ensure you development.ini (or similar) contains the info about your Google Analytics account and configuration::
 
       googleanalytics.id = UA-1010101-1
-      googleanalytics.account = Account name (i.e. data.gov.uk, see top level item at https://www.google.com/analytics)
+      googleanalytics.account = Account name (e.g. data.gov.uk, see top level item at https://www.google.com/analytics)
       ga-report.period = monthly
-
-   Note that your credentials will be readable by system administrators on your server. Rather than use sensitive account details, it is suggested you give access to the GA account to a new Google account that you create just for this purpose.
 
 3. Set up this extension's database tables using a paster command. (Ensure your CKAN pyenv is still activated, run the command from ``src/ckanext-ga-report``, alter the ``--config`` option to point to your site config file)::
 
@@ -43,6 +41,12 @@
 4. Enable the extension in your CKAN config file by adding it to ``ckan.plugins``::
 
     ckan.plugins = ga-report
+
+Problem shooting
+----------------
+
+* ``(ProgrammingError) relation "ga_url" does not exist``
+  This means that the ``paster initdb`` step has not been run successfully. Refer to the installation instructions for this extension.
 
 
 Authorization
@@ -79,7 +83,7 @@
 Tutorial
 --------
 
-Download some GA data and store it in CKAN's db. (Ensure your CKAN pyenv is still activated, run the command from ``src/ckanext-ga-report``, alter the ``--config`` option to point to your site config file) and specifying the name of your auth file (token.dat by default) from the previous step::
+Download some GA data and store it in CKAN's database. (Ensure your CKAN pyenv is still activated, run the command from ``src/ckanext-ga-report``, alter the ``--config`` option to point to your site config file) and specifying the name of your auth file (token.dat by default) from the previous step::
 
     $ paster loadanalytics token.dat latest --config=../ckan/development.ini
 

--- a/ckanext/ga_report/command.py
+++ b/ckanext/ga_report/command.py
@@ -73,6 +73,14 @@
     max_args = 2
     min_args = 1
 
+    def __init__(self, name):
+        super(LoadAnalytics, self).__init__(name)
+        self.parser.add_option('-d', '--delete-first',
+                               action='store_true',
+                               default=False,
+                               dest='delete_first',
+                               help='Delete data for the period first')
+
     def command(self):
         self._load_config()
 
@@ -83,10 +91,11 @@
             svc = init_service(self.args[0], None)
         except TypeError:
             print ('Have you correctly run the getauthtoken task and '
-                   'specified the correct file here')
+                   'specified the correct token file?')
             return
 
-        downloader = DownloadAnalytics(svc, profile_id=get_profile_id(svc))
+        downloader = DownloadAnalytics(svc, profile_id=get_profile_id(svc),
+                                       delete_first=self.options.delete_first)
 
         time_period = self.args[1] if self.args and len(self.args) > 1 \
             else 'latest'

--- a/ckanext/ga_report/controller.py
+++ b/ckanext/ga_report/controller.py
@@ -166,7 +166,7 @@
 
             d = collections.defaultdict(int)
             for e in q.all():
-                d[clean_field(e.key)] += int(e.value)
+                d[e.key] += int(e.value)
             entries = []
             for key, val in d.iteritems():
                 entries.append((key,val,))
@@ -187,52 +187,60 @@
         return render('ga_report/site/index.html')
 
 
-class GaPublisherReport(BaseController):
+class GaDatasetReport(BaseController):
     """
-    Displays the pageview and visit count for specific publishers based on
-    the datasets associated with the publisher.
+    Displays the pageview and visit count for datasets
+    with options to filter by publisher and time period.
     """
-    def csv(self, month):
-
-        c.month = month if not month =='all' else ''
+    def publisher_csv(self, month):
+        '''
+        Returns a CSV of each publisher with the total number of dataset
+        views & visits.
+        '''
+        c.month = month if not month == 'all' else ''
         response.headers['Content-Type'] = "text/csv; charset=utf-8"
         response.headers['Content-Disposition'] = str('attachment; filename=publishers_%s.csv' % (month,))
 
         writer = csv.writer(response)
-        writer.writerow(["Publisher", "Views", "Visits", "Period Name"])
-
-        for publisher,view,visit in _get_publishers(None):
+        writer.writerow(["Publisher Title", "Publisher Name", "Views", "Visits", "Period Name"])
+
+        for publisher,view,visit in _get_top_publishers(None):
             writer.writerow([publisher.title.encode('utf-8'),
+                             publisher.name.encode('utf-8'),
                              view,
                              visit,
                              month])
 
-
-
-    def publisher_csv(self, id, month):
-
-        c.month = month if not month =='all' else ''
-        c.publisher = model.Group.get(id)
-        if not c.publisher:
-            abort(404, 'A publisher with that name could not be found')
+    def dataset_csv(self, id='all', month='all'):
+        '''
+        Returns a CSV with the number of views & visits for each dataset.
+
+        :param id: A Publisher ID or None if you want for all
+        :param month: The time period, or 'all'
+        '''
+        c.month = month if not month == 'all' else ''
+        if id != 'all':
+            c.publisher = model.Group.get(id)
+            if not c.publisher:
+                abort(404, 'A publisher with that name could not be found')
 
         packages = self._get_packages(c.publisher)
         response.headers['Content-Type'] = "text/csv; charset=utf-8"
         response.headers['Content-Disposition'] = \
-            str('attachment; filename=%s_%s.csv' % (c.publisher.name, month,))
+            str('attachment; filename=datasets_%s_%s.csv' % (c.publisher_name, month,))
 
         writer = csv.writer(response)
-        writer.writerow(["Publisher", "Views", "Visits", "Period Name"])
+        writer.writerow(["Dataset Title", "Dataset Name", "Views", "Visits", "Period Name"])
 
         for package,view,visit in packages:
             writer.writerow([package.title.encode('utf-8'),
+                             package.name.encode('utf-8'),
                              view,
                              visit,
                              month])
 
-
-
-    def index(self):
+    def publishers(self):
+        '''A list of publishers and the number of views/visits for each'''
 
         # Get the month details by fetching distinct values and determining the
         # month names from the values.
@@ -244,37 +252,46 @@
         if c.month:
             c.month_desc = ''.join([m[1] for m in c.months if m[0]==c.month])
 
-        c.top_publishers = _get_publishers()
+        c.top_publishers = _get_top_publishers()
 
         return render('ga_report/publisher/index.html')
 
-
-    def _get_packages(self, publisher, count=-1):
+    def _get_packages(self, publisher=None, count=-1):
+        '''Returns the datasets in order of visits'''
         if count == -1:
             count = sys.maxint
 
-        top_packages = []
-        q =  model.Session.query(GA_Url).\
-            filter(GA_Url.department_id==publisher.name).\
-            filter(GA_Url.url.like('/dataset/%'))
+        q = model.Session.query(GA_Url)\
+            .filter(GA_Url.url.like('/dataset/%'))
+        if publisher:
+            q = q.filter(GA_Url.department_id==publisher.name)
         if c.month:
             q = q.filter(GA_Url.period_name==c.month)
-        q = q.order_by('ga_url.pageviews::int desc')
-
-        if c.month:
-            for entry in q[:count]:
-                p = model.Package.get(entry.url[len('/dataset/'):])
-                top_packages.append((p,entry.pageviews,entry.visitors))
+        q = q.order_by('ga_url.visitors::int desc')
+
+        if c.month:
+            top_packages = []
+            for entry in q.limit(count):
+                package_name = entry.url[len('/dataset/'):]
+                p = model.Package.get(package_name)
+                if p:
+                    top_packages.append((p, entry.pageviews, entry.visitors))
+                else:
+                    log.warning('Could not find package "%s"', package_name)
         else:
             ds = {}
-            for entry in q.all():
+            for entry in q:
                 if len(ds) >= count:
                     break
-                p = model.Package.get(entry.url[len('/dataset/'):])
-                if not p in ds:
-                    ds[p] = {'views':0, 'visits': 0}
-                ds[p]['views'] = ds[p]['views'] + int(entry.pageviews)
-                ds[p]['visits'] = ds[p]['visits'] + int(entry.visitors)
+                package_name = entry.url[len('/dataset/'):]
+                p = model.Package.get(package_name)
+                if p:
+                    if not p in ds:
+                        ds[p] = {'views': 0, 'visits': 0}
+                    ds[p]['views'] = ds[p]['views'] + int(entry.pageviews)
+                    ds[p]['visits'] = ds[p]['visits'] + int(entry.visitors)
+                else:
+                    log.warning('Could not find package "%s"', package_name)
 
             results = []
             for k, v in ds.iteritems():
@@ -283,13 +300,26 @@
             top_packages = sorted(results, key=operator.itemgetter(1), reverse=True)
         return top_packages
 
-
-    def read(self, id):
+    def read(self):
+        '''
+        Lists the most popular datasets across all publishers
+        '''
+        return self.read_publisher(None)
+
+    def read_publisher(self, id):
+        '''
+        Lists the most popular datasets for a publisher (or across all publishers)
+        '''
         count = 20
 
-        c.publisher = model.Group.get(id)
-        if not c.publisher:
-            abort(404, 'A publisher with that name could not be found')
+        c.publishers = _get_publishers()
+
+        id = request.params.get('publisher', id)
+        if id and id != 'all':
+            c.publisher = model.Group.get(id)
+            if not c.publisher:
+                abort(404, 'A publisher with that name could not be found')
+            c.publisher_name = c.publisher.name
         c.top_packages = [] # package, dataset_views in c.top_packages
 
         # Get the month details by fetching distinct values and determining the
@@ -305,7 +335,7 @@
 
         c.publisher_page_views = 0
         q = model.Session.query(GA_Url).\
-            filter(GA_Url.url=='/publisher/%s' % c.publisher.name)
+            filter(GA_Url.url=='/publisher/%s' % c.publisher_name)
         if c.month:
             entry = q.filter(GA_Url.period_name==c.month).first()
             c.publisher_page_views = entry.pageviews if entry else 0
@@ -317,7 +347,11 @@
 
         return render('ga_report/publisher/read.html')
 
-def _get_publishers(limit=20):
+def _get_top_publishers(limit=20):
+    '''
+    Returns a list of the top 20 publishers by dataset visits.
+    (The number to show can be varied with 'limit')
+    '''
     connection = model.Session.connection()
     q = """
         select department_id, sum(pageviews::int) views, sum(visitors::int) visits
@@ -328,7 +362,7 @@
                 and period_name=%s
         """
     q = q + """
-            group by department_id order by views desc
+            group by department_id order by visits desc
         """
     if limit:
         q = q + " limit %s;" % (limit)
@@ -346,3 +380,16 @@
             top_publishers.append((g, row[1], row[2]))
     return top_publishers
 
+def _get_publishers():
+    '''
+    Returns a list of all publishers. Each item is a tuple:
+      (names, title)
+    '''
+    publishers = []
+    for pub in model.Session.query(model.Group).\
+               filter(model.Group.type=='publisher').\
+               filter(model.Group.state=='active').\
+               order_by(model.Group.name):
+        publishers.append((pub.name, pub.title))
+    return publishers
+

--- a/ckanext/ga_report/download_analytics.py
+++ b/ckanext/ga_report/download_analytics.py
@@ -11,15 +11,17 @@
 log = logging.getLogger('ckanext.ga-report')
 
 FORMAT_MONTH = '%Y-%m'
+MIN_VIEWS = 50
+MIN_VISITS = 20
 
 class DownloadAnalytics(object):
     '''Downloads and stores analytics info'''
 
-    def __init__(self, service=None, profile_id=None):
+    def __init__(self, service=None, profile_id=None, delete_first=False):
         self.period = config['ga-report.period']
         self.service = service
         self.profile_id = profile_id
-
+        self.delete_first = delete_first
 
     def specific_month(self, date):
         import calendar
@@ -90,6 +92,10 @@
 
     def download_and_store(self, periods):
         for period_name, period_complete_day, start_date, end_date in periods:
+            if self.delete_first:
+                log.info('Deleting existing Analytics for period "%s"',
+                         period_name)
+                ga_model.delete(period_name)
             log.info('Downloading Analytics for period "%s" (%s - %s)',
                      self.get_full_period_name(period_name, period_complete_day),
                      start_date.strftime('%Y %m %d'),
@@ -235,11 +241,13 @@
         data = {}
         for result in result_data:
             data[result[0]] = data.get(result[0], 0) + int(result[2])
+        self._filter_out_long_tail(data, MIN_VIEWS)
         ga_model.update_sitewide_stats(period_name, "Languages", data)
 
         data = {}
         for result in result_data:
             data[result[1]] = data.get(result[1], 0) + int(result[2])
+        self._filter_out_long_tail(data, MIN_VIEWS)
         ga_model.update_sitewide_stats(period_name, "Country", data)
 
 
@@ -254,13 +262,11 @@
                                  max_results=10000,
                                  end_date=end_date).execute()
         result_data = results.get('rows')
-        twitter_links = []
         data = {}
         for result in result_data:
             if not result[0] == '(not set)':
                 data[result[0]] = data.get(result[0], 0) + int(result[2])
-                if result[0] == 'Twitter':
-                    twitter_links.append(result[1])
+        self._filter_out_long_tail(data, 3)
         ga_model.update_sitewide_stats(period_name, "Social sources", data)
 
 
@@ -278,12 +284,14 @@
         data = {}
         for result in result_data:
             data[result[0]] = data.get(result[0], 0) + int(result[2])
+        self._filter_out_long_tail(data, MIN_VIEWS)
         ga_model.update_sitewide_stats(period_name, "Operating Systems", data)
 
         data = {}
         for result in result_data:
-            key = "%s (%s)" % (result[0],result[1])
-            data[key] = result[2]
+            if int(result[2]) >= MIN_VIEWS:
+                key = "%s %s" % (result[0],result[1])
+                data[key] = result[2]
         ga_model.update_sitewide_stats(period_name, "Operating Systems versions", data)
 
 
@@ -298,17 +306,42 @@
                                  max_results=10000,
                                  end_date=end_date).execute()
         result_data = results.get('rows')
+        # e.g. [u'Firefox', u'19.0', u'20']
+
         data = {}
         for result in result_data:
             data[result[0]] = data.get(result[0], 0) + int(result[2])
+        self._filter_out_long_tail(data, MIN_VIEWS)
         ga_model.update_sitewide_stats(period_name, "Browsers", data)
 
         data = {}
         for result in result_data:
-            key = "%s (%s)" % (result[0], result[1])
-            data[key] = result[2]
+            key = "%s %s" % (result[0], self._filter_browser_version(result[0], result[1]))
+            data[key] = data.get(key, 0) + int(result[2])
+        self._filter_out_long_tail(data, MIN_VIEWS)
         ga_model.update_sitewide_stats(period_name, "Browser versions", data)
 
+    @classmethod
+    def _filter_browser_version(cls, browser, version_str):
+        '''
+        Simplifies a browser version string if it is detailed.
+        i.e. groups together Firefox 3.5.1 and 3.5.2 to be just 3.
+        This is helpful when viewing stats and good to protect privacy.
+        '''
+        ver = version_str
+        parts = ver.split('.')
+        if len(parts) > 1:
+            if parts[1][0] == '0':
+                ver = parts[0]
+            else:
+                ver = "%s" % (parts[0])
+        # Special case complex version nums
+        if browser in ['Safari', 'Android Browser']:
+            ver = parts[0]
+            if len(ver) > 2:
+                num_hidden_digits = len(ver) - 2
+                ver = ver[0] + ver[1] + 'X' * num_hidden_digits
+        return ver
 
     def _mobile_stats(self, start_date, end_date, period_name):
         """ Info about mobile devices """
@@ -326,10 +359,23 @@
         data = {}
         for result in result_data:
             data[result[0]] = data.get(result[0], 0) + int(result[2])
+        self._filter_out_long_tail(data, MIN_VIEWS)
         ga_model.update_sitewide_stats(period_name, "Mobile brands", data)
 
         data = {}
         for result in result_data:
             data[result[1]] = data.get(result[1], 0) + int(result[2])
+        self._filter_out_long_tail(data, MIN_VIEWS)
         ga_model.update_sitewide_stats(period_name, "Mobile devices", data)
 
+    @classmethod
+    def _filter_out_long_tail(cls, data, threshold=10):
+        '''
+        Given data which is a frequency distribution, filter out
+        results which are below a threshold count. This is good to protect
+        privacy.
+        '''
+        for key, value in data.items():
+            if value < threshold:
+                del data[key]
+

--- a/ckanext/ga_report/ga_auth.py
+++ b/ckanext/ga_report/ga_auth.py
@@ -53,7 +53,11 @@
         return None
 
     accountName = config.get('googleanalytics.account')
+    if not accountName:
+        raise Exception('googleanalytics.account needs to be configured')
     webPropertyId = config.get('googleanalytics.id')
+    if not webPropertyId:
+        raise Exception('googleanalytics.id needs to be configured')
     for acc in accounts.get('items'):
         if acc.get('name') == accountName:
             accountId = acc.get('id')

--- a/ckanext/ga_report/ga_model.py
+++ b/ckanext/ga_report/ga_model.py
@@ -295,3 +295,15 @@
         for grandchild in go_down_tree(child):
             yield grandchild
 
+def delete(period_name):
+    '''
+    Deletes table data for the specified period, or specify 'all'
+    for all periods.
+    '''
+    for object_type in (GA_Url, GA_Stat, GA_Publisher, GA_ReferralStat):
+        q = model.Session.query(object_type)
+        if period_name != 'all':
+            q = q.filter_by(period_name=period_name)
+        q.delete()
+    model.Session.commit()
+

--- a/ckanext/ga_report/helpers.py
+++ b/ckanext/ga_report/helpers.py
@@ -28,28 +28,37 @@
     return base.render_snippet('ga_report/ga_popular_datasets.html', **ctx)
 
 def single_popular_dataset(top=20):
+    '''Returns a random dataset from the most popular ones.
+
+    :param top: the number of top datasets to select from
+    '''
     import random
 
-    datasets = {}
-    rand = random.randrange(0, top)
-    entry = model.Session.query(GA_Url).\
-        filter(GA_Url.url.like('/dataset/%')).\
-        order_by('ga_url.pageviews::int desc')[rand]
+    top_datasets = model.Session.query(GA_Url).\
+                   filter(GA_Url.url.like('/dataset/%')).\
+                   order_by('ga_url.pageviews::int desc')
+    num_top_datasets = top_datasets.count()
 
-
-    dataset = None
-    while not dataset:
-        dataset = model.Package.get(entry.url[len('/dataset/'):])
-        if dataset and not dataset.state == 'active':
-            dataset = None
-        else:
-            publisher = model.Group.get(entry.department_id)
-
-    ctx = {
+    if num_top_datasets:
+        dataset = None
+        while not dataset:
+            rand = random.randrange(0, min(top, num_top_datasets))
+            ga_url = top_datasets[rand]
+            dataset = model.Package.get(ga_url.url[len('/dataset/'):])
+            if dataset and not dataset.state == 'active':
+                dataset = None
+    else:
+        dataset = model.Session.query(model.Package)\
+                  .filter_by(state='active').first()
+    publisher = dataset.get_groups('publisher')[0]
+    return {
         'dataset': dataset,
         'publisher': publisher
     }
-    return base.render_snippet('ga_report/ga_popular_single.html', **ctx)
+
+def single_popular_dataset_html(top=20):
+    context = single_popular_dataset(top)
+    return base.render_snippet('ga_report/ga_popular_single.html', **context)
 
 
 def most_popular_datasets(publisher, count=20):
@@ -61,7 +70,7 @@
     results = _datasets_for_publisher(publisher, count)
 
     ctx = {
-        'dataset_count': len(datasets),
+        'dataset_count': len(results),
         'datasets': results,
 
         'publisher': publisher

--- a/ckanext/ga_report/plugin.py
+++ b/ckanext/ga_report/plugin.py
@@ -31,26 +31,7 @@
         }
 
     def after_map(self, map):
-        map.connect(
-            '/data/site-usage/publisher',
-            controller='ckanext.ga_report.controller:GaPublisherReport',
-            action='index'
-        )
-        map.connect(
-            '/data/site-usage/publisher_{month}.csv',
-            controller='ckanext.ga_report.controller:GaPublisherReport',
-            action='csv'
-        )
-        map.connect(
-            '/data/site-usage/publisher/{id}_{month}.csv',
-            controller='ckanext.ga_report.controller:GaPublisherReport',
-            action='publisher_csv'
-        )
-        map.connect(
-            '/data/site-usage/publisher/{id}',
-            controller='ckanext.ga_report.controller:GaPublisherReport',
-            action='read'
-        )
+        # GaReport
         map.connect(
             '/data/site-usage',
             controller='ckanext.ga_report.controller:GaReport',
@@ -61,6 +42,33 @@
             controller='ckanext.ga_report.controller:GaReport',
             action='csv'
         )
+
+        # GaDatasetReport
+        map.connect(
+            '/data/site-usage/publisher',
+            controller='ckanext.ga_report.controller:GaDatasetReport',
+            action='publishers'
+        )
+        map.connect(
+            '/data/site-usage/publishers_{month}.csv',
+            controller='ckanext.ga_report.controller:GaDatasetReport',
+            action='publisher_csv'
+        )
+        map.connect(
+            '/data/site-usage/dataset/datasets_{id}_{month}.csv',
+            controller='ckanext.ga_report.controller:GaDatasetReport',
+            action='dataset_csv'
+        )
+        map.connect(
+            '/data/site-usage/dataset',
+            controller='ckanext.ga_report.controller:GaDatasetReport',
+            action='read'
+        )
+        map.connect(
+            '/data/site-usage/dataset/{id}',
+            controller='ckanext.ga_report.controller:GaDatasetReport',
+            action='read_publisher'
+        )
         return map
 
 

--- a/ckanext/ga_report/templates/ga_report/ga_popular_datasets.html
+++ b/ckanext/ga_report/templates/ga_report/ga_popular_datasets.html
@@ -5,7 +5,7 @@
 
 <div class="popular_datasets">
     <div class="pull-right">
-        <a href="${h.url_for(controller='ckanext.ga_report.controller:GaPublisherReport',action='index')}" class="btn btn-primary">More popular datasets »</a>
+        <a href="${h.url_for(controller='ckanext.ga_report.controller:GaDatasetReport',action='read')}" class="btn btn-primary">More popular datasets »</a>
     </div>
     <h2>Popular datasets</h2>
     <h4>${publisher.title}</h4>

--- a/ckanext/ga_report/templates/ga_report/ga_popular_single.html
+++ b/ckanext/ga_report/templates/ga_report/ga_popular_single.html
@@ -7,11 +7,19 @@
 <div class="popular_datasets">
     <h2>Featured dataset</h2>
 
-    <h3>${h.link_to(dataset.title, h.url_for(controller='package', action='read', id=dataset.name))}</h3>        <div>${h.truncate(dataset.notes, length=200, whole_word=True)}</div>
-    <p></p>
+    <div class="dataset-summary boxed">
+          <a class="dataset-header" href="${h.url_for(controller='package', action='read', id=dataset.name)}">
+            <h3>${dataset.title}</h3>
+          </a>
+          <h4>
+            <strong>Publisher</strong> :
+            <a href="/publisher/${publisher.name}">${publisher.title}</a>
+          </h4>
+          <div>${h.truncate(dataset.notes, length=200, whole_word=True)}</div>
+    </div>
     <div>
-<a href="${h.url_for(controller='ckanext.ga_report.controller:GaPublisherReport',action='index')}" class="btn btn-primary">More popular datasets</a>
-<a href="${h.url_for(controller='ckanext.ga_report.controller:GaReport',action='index')}" class="btn btn-primary">All usage data</a>
+      <a href="${h.url_for(controller='ckanext.ga_report.controller:GaDatasetReport',action='read')}" class="btn">Other popular datasets</a>
+      <a href="${h.url_for(controller='ckanext.ga_report.controller:GaReport',action='index')}" class="btn">All usage data</a>
     </div>
  </div>
 

--- a/ckanext/ga_report/templates/ga_report/ga_util.html
+++ b/ckanext/ga_report/templates/ga_report/ga_util.html
@@ -36,19 +36,18 @@
  </table>
 
 
-<div py:def="usage_nav(active_name,publisher)" id="minornavigation">
+<div py:def="usage_nav(active_name)" id="minornavigation">
     <div id="minornavigation-bg-left">
     <div id="minornavigation-bg-right">
-        <ul class="nav nav-pills">
+      <ul class="nav nav-pills">
         <li py:attrs="{'class': 'active' if active_name=='Site-wide' else None}"><a py:attrs="{'class': 'active' if active_name=='Site-wide' else None}"  href="${h.url_for(controller='ckanext.ga_report.controller:GaReport',action='index')}"><img src="/images/icons/page_white.png" height="16px" width="16px" alt="None" class="inline-icon "/> Site-wide</a></li>
         <li py:attrs="{'class': 'active' if active_name=='Publishers' else None}">
-                <a py:attrs="{'class': 'active' if active_name=='Publishers' else None}"  href="${h.url_for(controller='ckanext.ga_report.controller:GaPublisherReport',action='index')}"><img src="/images/icons/page_white.png" height="16px" width="16px" alt="None" class="inline-icon "/> Publishers</a>
+                <a py:attrs="{'class': 'active' if active_name=='Publishers' else None}"  href="${h.url_for(controller='ckanext.ga_report.controller:GaDatasetReport',action='publishers')}"><img src="/images/icons/page_white.png" height="16px" width="16px" alt="None" class="inline-icon "/> Publishers</a>
         </li>
-        <li py:if="publisher" class="active">
-                <a class="active"  href="${h.url_for(controller='ckanext.ga_report.controller:GaPublisherReport',action='read', id=publisher.name)}"><img src="/images/icons/page_white.png" height="16px" width="16px" alt="None" class="inline-icon "/>${publisher.title}</a>
+        <li py:attrs="{'class': 'active' if active_name=='Datasets' else None}">
+                <a py:attrs="{'class': 'active' if active_name=='Datasets' else None}"  href="${h.url_for(controller='ckanext.ga_report.controller:GaDatasetReport',action='read')}"><img src="/images/icons/page_white.png" height="16px" width="16px" alt="None" class="inline-icon "/> Datasets</a>
         </li>
-
-        </ul>
+      </ul>
     </div>
     </div>
 </div>

--- /dev/null
+++ b/ckanext/ga_report/templates/ga_report/notes.html
@@ -1,1 +1,17 @@
+<html xmlns:py="http://genshi.edgewall.org/"
+  xmlns:i18n="http://genshi.edgewall.org/i18n"
+  xmlns:xi="http://www.w3.org/2001/XInclude"
+  py:strip="">
 
+    <li class="widget-container boxed widget_text">
+      <h4>Notes</h4>
+      <ul>
+          <li>'Views' is the number of sessions during which that page was viewed one or more times ('Unique Pageviews').</li>
+<!--          <li>'Visits' is the number of individual sessions initiated by all the visitors to your site, counted once for each visitor for each session.</li>-->
+          <li>'Visitors' is the number of unique users visiting the site (whether once or more times).</li>
+          <li>These usage statistics are confined to users with javascript enabled, which excludes web crawlers and API calls.</li>
+          <li>The results for only small numbers of views/visits are not shown. Where these relate to site pages, then they are available in full in the CSV download. Where these relate to users' web browser information, they are not disclosed, for privacy reasons.</li>
+      </ul>
+    </li>
+</html>
+

file: