import re import uuid from sqlalchemy import Table, Column, MetaData from sqlalchemy import types from sqlalchemy.sql import select from sqlalchemy.orm import mapper from sqlalchemy import func import ckan.model as model from ckan.lib.base import * def make_uuid(): return unicode(uuid.uuid4()) metadata = MetaData() class GA_Url(object): def __init__(self, **kwargs): for k,v in kwargs.items(): setattr(self, k, v) url_table = Table('ga_url', metadata, Column('id', types.UnicodeText, primary_key=True, default=make_uuid), Column('period_name', types.UnicodeText), Column('period_complete_day', types.Integer), Column('pageviews', types.UnicodeText), Column('visitors', types.UnicodeText), Column('url', types.UnicodeText), Column('department_id', types.UnicodeText), ) mapper(GA_Url, url_table) class GA_Stat(object): def __init__(self, **kwargs): for k,v in kwargs.items(): setattr(self, k, v) stat_table = Table('ga_stat', metadata, Column('id', types.UnicodeText, primary_key=True, default=make_uuid), Column('period_name', types.UnicodeText), Column('stat_name', types.UnicodeText), Column('key', types.UnicodeText), Column('value', types.UnicodeText), ) mapper(GA_Stat, stat_table) class GA_Publisher(object): def __init__(self, **kwargs): for k,v in kwargs.items(): setattr(self, k, v) pub_table = Table('ga_publisher', metadata, Column('id', types.UnicodeText, primary_key=True, default=make_uuid), Column('period_name', types.UnicodeText), Column('publisher_name', types.UnicodeText), Column('views', types.UnicodeText), Column('visitors', types.UnicodeText), Column('toplevel', types.Boolean, default=False), Column('subpublishercount', types.Integer, default=0), Column('parent', types.UnicodeText), ) mapper(GA_Publisher, pub_table) class GA_ReferralStat(object): def __init__(self, **kwargs): for k,v in kwargs.items(): setattr(self, k, v) referrer_table = Table('ga_referrer', metadata, Column('id', types.UnicodeText, primary_key=True, default=make_uuid), Column('period_name', types.UnicodeText), Column('source', types.UnicodeText), Column('url', types.UnicodeText), Column('count', types.Integer), ) mapper(GA_ReferralStat, referrer_table) def init_tables(): metadata.create_all(model.meta.engine) cached_tables = {} def get_table(name): if name not in cached_tables: meta = MetaData() meta.reflect(bind=model.meta.engine) table = meta.tables[name] cached_tables[name] = table return cached_tables[name] def _normalize_url(url): '''Strip off the hostname etc. Do this before storing it. >>> normalize_url('http://data.gov.uk/dataset/weekly_fuel_prices') '/dataset/weekly_fuel_prices' ''' # Deliberately leaving a / url = url.replace('http:/','') return '/' + '/'.join(url.split('/')[2:]) def _get_department_id_of_url(url): # e.g. /dataset/fuel_prices # e.g. /dataset/fuel_prices/resource/e63380d4 dataset_match = re.match('/dataset/([^/]+)(/.*)?', url) if dataset_match: dataset_ref = dataset_match.groups()[0] dataset = model.Package.get(dataset_ref) if dataset: publisher_groups = dataset.get_groups('publisher') if publisher_groups: return publisher_groups[0].name else: publisher_match = re.match('/publisher/([^/]+)(/.*)?', url) if publisher_match: return publisher_match.groups()[0] def update_sitewide_stats(period_name, stat_name, data): for k,v in data.iteritems(): item = model.Session.query(GA_Stat).\ filter(GA_Stat.period_name==period_name).\ filter(GA_Stat.key==k).\ filter(GA_Stat.stat_name==stat_name).first() if item: item.period_name = period_name item.key = k item.value = v model.Session.add(item) else: # create the row values = {'id': make_uuid(), 'period_name': period_name, 'key': k, 'value': v, 'stat_name': stat_name } model.Session.add(GA_Stat(**values)) model.Session.commit() def update_url_stats(period_name, period_complete_day, url_data): for url, views, visitors in url_data: url = _normalize_url(url) department_id = _get_department_id_of_url(url) # see if the row for this url & month is in the table already item = model.Session.query(GA_Url).\ filter(GA_Url.period_name==period_name).\ filter(GA_Url.url==url).first() if item: item.period_name = period_name item.pageviews = views item.visitors = visitors item.department_id = department_id model.Session.add(item) else: # create the row values = {'id': make_uuid(), 'period_name': period_name, 'period_complete_day': period_complete_day, 'url': url, 'pageviews': views, 'visitors': visitors, 'department_id': department_id } model.Session.add(GA_Url(**values)) model.Session.commit() def update_social(period_name, data): # Clean up first. model.Session.query(GA_ReferralStat).\ filter(GA_ReferralStat.period_name==period_name).delete() for url,data in data.iteritems(): for entry in data: source = entry[0] count = entry[1] item = model.Session.query(GA_ReferralStat).\ filter(GA_ReferralStat.period_name==period_name).\ filter(GA_ReferralStat.source==source).\ filter(GA_ReferralStat.url==url).first() if item: item.count = item.count + count model.Session.add(item) else: # create the row values = {'id': make_uuid(), 'period_name': period_name, 'source': source, 'url': url, 'count': count, } model.Session.add(GA_ReferralStat(**values)) model.Session.commit() def update_publisher_stats(period_name): """ Updates the publisher stats from the data retrieved for /dataset/* and /publisher/*. Will run against each dataset and generates the totals for the entire tree beneath each publisher. """ toplevel = get_top_level() publishers = model.Session.query(model.Group).\ filter(model.Group.type=='publisher').\ filter(model.Group.state=='active').all() for publisher in publishers: views, visitors, subpub = update_publisher(period_name, publisher, publisher.name) parent, parents = '', publisher.get_groups('publisher') if parents: parent = parents[0].name item = model.Session.query(GA_Publisher).\ filter(GA_Publisher.period_name==period_name).\ filter(GA_Publisher.publisher_name==publisher.name).first() if item: item.views = views item.visitors = visitors item.publisher_name = publisher.name item.toplevel = publisher in toplevel item.subpublishercount = subpub item.parent = parent model.Session.add(item) else: # create the row values = {'id': make_uuid(), 'period_name': period_name, 'publisher_name': publisher.name, 'views': views, 'visitors': visitors, 'toplevel': publisher in toplevel, 'subpublishercount': subpub, 'parent': parent } model.Session.add(GA_Publisher(**values)) model.Session.commit() def update_publisher(period_name, pub, part=''): views,visitors,subpub = 0, 0, 0 for publisher in go_down_tree(pub): subpub = subpub + 1 items = model.Session.query(GA_Url).\ filter(GA_Url.period_name==period_name).\ filter(GA_Url.department_id==publisher.name).all() for item in items: views = views + int(item.pageviews) visitors = visitors + int(item.visitors) return views, visitors, (subpub-1) def get_top_level(): '''Returns the top level publishers.''' return model.Session.query(model.Group).\ outerjoin(model.Member, model.Member.table_id == model.Group.id and \ model.Member.table_name == 'group' and \ model.Member.state == 'active').\ filter(model.Member.id==None).\ filter(model.Group.type=='publisher').\ order_by(model.Group.name).all() def get_children(publisher): '''Finds child publishers for the given publisher (object). (Not recursive)''' from ckan.model.group import HIERARCHY_CTE return model.Session.query(model.Group).\ from_statement(HIERARCHY_CTE).params(id=publisher.id, type='publisher').\ all() def go_down_tree(publisher): '''Provided with a publisher object, it walks down the hierarchy and yields each publisher, including the one you supply.''' yield publisher for child in get_children(publisher): for grandchild in go_down_tree(child): yield grandchild