Merge branch 'master' of github.com:datagovuk/ckanext-ga-report
[ckanext-ga-report.git] / ckanext / ga_report / controller.py
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import re
import csv
import sys
import logging
import operator
import collections
from ckan.lib.base import BaseController, c, render, request, response, abort
 
import sqlalchemy
from sqlalchemy import func, cast, Integer
import ckan.model as model
from ga_model import GA_Url, GA_Stat
 
log = logging.getLogger('ckanext.ga-report')
 
 
def _get_month_name(strdate):
    import calendar
    from time import strptime
    d = strptime(strdate, '%Y-%m')
    return '%s %s' % (calendar.month_name[d.tm_mon], d.tm_year)
 
 
def _month_details(cls):
    months = []
    vals = model.Session.query(cls.period_name).distinct().all()
    for m in vals:
        months.append( (m[0], _get_month_name(m[0])))
    return sorted(months, key=operator.itemgetter(0), reverse=True)
 
 
class GaReport(BaseController):
 
    def csv(self, month):
        import csv
 
        q = model.Session.query(GA_Stat)
        if month != 'all':
            q = q.filter(GA_Stat.period_name==month)
        entries = q.order_by('GA_Stat.period_name, GA_Stat.stat_name, GA_Stat.key').all()
 
        response.headers['Content-Type'] = "text/csv; charset=utf-8"
        response.headers['Content-Disposition'] = str('attachment; filename=stats_%s.csv' % (month,))
 
        writer = csv.writer(response)
        writer.writerow(["Period", "Statistic", "Key", "Value"])
 
        for entry in entries:
            writer.writerow([entry.period_name.encode('utf-8'),
                             entry.stat_name.encode('utf-8'),
                             entry.key.encode('utf-8'),
                             entry.value.encode('utf-8')])
 
    def index(self):
 
        # Get the month details by fetching distinct values and determining the
        # month names from the values.
        c.months = _month_details(GA_Stat)
 
        # Work out which month to show, based on query params of the first item
        c.month_desc = 'all time'
        c.month = request.params.get('month', '')
        if c.month:
            c.month_desc = ''.join([m[1] for m in c.months if m[0]==c.month])
 
        q = model.Session.query(GA_Stat).\
            filter(GA_Stat.stat_name=='Totals')
        if c.month:
            q = q.filter(GA_Stat.period_name==c.month)
        entries = q.order_by('ga_stat.key').all()
 
        def clean_key(key, val):
            if key in ['Average time on site', 'Pages per visit', 'Percent new visits']:
                val =  "%.2f" % round(float(val), 2)
                if key == 'Average time on site':
                    mins, secs = divmod(float(val), 60)
                    hours, mins = divmod(mins, 60)
                    val = '%02d:%02d:%02d (%s seconds) ' % (hours, mins, secs, val)
                key = '%s *' % key
            if key in ['Bounces', 'Total pageviews']:
                val = int(val)
            return key, val
 
        c.global_totals = []
        if c.month:
            for e in entries:
                key, val = clean_key(e.key, e.value)
                c.global_totals.append((key, val))
        else:
            d = collections.defaultdict(list)
            for e in entries:
                d[e.key].append(float(e.value))
            for k, v in d.iteritems():
                if k in ['Bounces', 'Total pageviews']:
                    v = sum(v)
                else:
                    v = float(sum(v))/len(v)
                key, val = clean_key(k,v)
                c.global_totals.append((key, val))
                c.global_totals = sorted(c.global_totals, key=operator.itemgetter(0))
 
        keys = {
            'Browser versions': 'browsers',
            'Operating Systems versions': 'os',
            'Social sources': 'social_networks',
            'Languages': 'languages',
            'Country': 'country'
        }
 
        browser_version_re = re.compile("(.*)\((.*)\)")
        for k, v in keys.iteritems():
 
            def clean_field(key):
                if k != 'Browser versions':
                    return key
                m = browser_version_re.match(key)
                browser = m.groups()[0].strip()
                ver = m.groups()[1]
                parts = ver.split('.')
                if len(parts) > 1:
                    if parts[1][0] == '0':
                        ver = parts[0]
                    else:
                        ver = "%s.%s" % (parts[0],parts[1])
                if browser in ['Safari','Android Browser']:  # Special case complex version nums
                    ver = parts[0]
                    if len(ver) > 2:
                        ver = "%s%sX" % (ver[0], ver[1])
 
                return "%s (%s)" % (browser, ver,)
 
            q = model.Session.query(GA_Stat).\
                filter(GA_Stat.stat_name==k)
            if c.month:
                entries = []
                q = q.filter(GA_Stat.period_name==c.month).\
                          order_by('ga_stat.value::int desc')
 
            d = collections.defaultdict(int)
            for e in q.all():
                d[clean_field(e.key)] += int(e.value)
            entries = []
            for key, val in d.iteritems():
                entries.append((key,val,))
            entries = sorted(entries, key=operator.itemgetter(1), reverse=True)
 
            setattr(c, v, [(k,v) for k,v in entries ])
 
 
 
        return render('ga_report/site/index.html')
 
 
class GaPublisherReport(BaseController):
    """
    Displays the pageview and visit count for specific publishers based on
    the datasets associated with the publisher.
    """
    def csv(self, month):
 
        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 self._get_publishers(None):
            writer.writerow([publisher.title.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')
 
        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,))
 
        writer = csv.writer(response)
        writer.writerow(["Publisher", "Views", "Visits", "Period Name"])
 
        for package,view,visit in packages:
            writer.writerow([package.title.encode('utf-8'),
                             view,
                             visit,
                             month])
 
 
 
    def index(self):
 
        # Get the month details by fetching distinct values and determining the
        # month names from the values.
        c.months = _month_details(GA_Url)
 
        # Work out which month to show, based on query params of the first item
        c.month = request.params.get('month', '')
        c.month_desc = 'all time'
        if c.month:
            c.month_desc = ''.join([m[1] for m in c.months if m[0]==c.month])
 
        c.top_publishers = self._get_publishers()
 
        return render('ga_report/publisher/index.html')
 
    def _get_publishers(self, limit=20):
        connection = model.Session.connection()
        q = """
            select department_id, sum(pageviews::int) views, sum(visitors::int) visits
            from ga_url
            where department_id <> ''"""
        if c.month:
            q = q + """
                    and period_name=%s
            """
        q = q + """
                group by department_id order by views desc
            """
        if limit:
            q = q + " limit %s;" % (limit)
 
        # Add this back (before and period_name =%s) if you want to ignore publisher
        # homepage views
        # and not url like '/publisher/%%'
 
        top_publishers = []
        res = connection.execute(q, c.month)
 
        for row in res:
            g = model.Group.get(row[0])
            if g:
                top_publishers.append((g, row[1], row[2]))
        return top_publishers
 
    def _get_packages(self, publisher, count=-1):
        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/%'))
        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))
        else:
            ds = {}
            for entry in q.all():
                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)
 
            results = []
            for k, v in ds.iteritems():
                results.append((k,v['views'],v['visits']))
 
            top_packages = sorted(results, key=operator.itemgetter(1), reverse=True)
        return top_packages
 
 
    def read(self, id):
        count = 20
 
        c.publisher = model.Group.get(id)
        if not c.publisher:
            abort(404, 'A publisher with that name could not be found')
        c.top_packages = [] # package, dataset_views in c.top_packages
 
        # Get the month details by fetching distinct values and determining the
        # month names from the values.
        c.months = _month_details(GA_Url)
 
        # Work out which month to show, based on query params of the first item
        c.month = request.params.get('month', '')
        if not c.month:
            c.month_desc = 'all time'
        else:
            c.month_desc = ''.join([m[1] for m in c.months if m[0]==c.month])
 
        c.publisher_page_views = 0
        q = model.Session.query(GA_Url).\
            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
        else:
            for e in q.all():
                c.publisher_page_views = c.publisher_page_views  + int(e.pageviews)
 
        c.top_packages = self._get_packages(c.publisher, 20)
 
        return render('ga_report/publisher/read.html')