| import re | import re |
| import uuid | import uuid |
| from sqlalchemy import Table, Column, MetaData | from sqlalchemy import Table, Column, MetaData |
| from sqlalchemy import types | from sqlalchemy import types |
| from sqlalchemy.sql import select, text | from sqlalchemy.sql import select |
| from sqlalchemy import func | from sqlalchemy import func |
| import ckan.model as model | import ckan.model as model |
| from ckan.model.types import JsonType | from ckan.model.types import JsonType |
| from ckan.lib.base import * | from ckan.lib.base import * |
| def make_uuid(): | def make_uuid(): |
| return unicode(uuid.uuid4()) | return unicode(uuid.uuid4()) |
| def init_tables(): | def init_tables(): |
| metadata = MetaData() | metadata = MetaData() |
| package_stats = Table('ga_url', metadata, | package_stats = Table('ga_url', metadata, |
| Column('id', types.UnicodeText, primary_key=True, default=make_uuid), | Column('id', types.UnicodeText, primary_key=True, |
| default=make_uuid), | |
| Column('period_name', types.UnicodeText), | Column('period_name', types.UnicodeText), |
| Column('period_complete_day', types.Integer), | Column('period_complete_day', types.Integer), |
| Column('visits', types.Integer), | Column('visits', types.Integer), |
| Column('group_id', types.String(60)), | Column('group_id', types.String(60)), |
| Column('next_page', JsonType), | Column('next_page', JsonType), |
| ) | ) |
| metadata.create_all(model.meta.engine) | metadata.create_all(model.meta.engine) |
| cached_tables = {} | cached_tables = {} |
| def get_table(name): | def get_table(name): |
| if name not in cached_tables: | if name not in cached_tables: |
| meta = MetaData() | meta = MetaData() |
| meta.reflect(bind=model.meta.engine) | meta.reflect(bind=model.meta.engine) |
| table = meta.tables[name] | table = meta.tables[name] |
| cached_tables[name] = table | cached_tables[name] = table |
| return cached_tables[name] | return cached_tables[name] |
| def _normalize_url(url): | def _normalize_url(url): |
| '''Strip off the hostname etc. Do this before storing it. | '''Strip off the hostname etc. Do this before storing it. |
| >>> normalize_url('http://data.gov.uk/dataset/weekly_fuel_prices') | >>> normalize_url('http://data.gov.uk/dataset/weekly_fuel_prices') |
| '/dataset/weekly_fuel_prices' | '/dataset/weekly_fuel_prices' |
| ''' | ''' |
| url = re.sub('https?://(www\.)?data.gov.uk', '', url) | url = re.sub('https?://(www\.)?data.gov.uk', '', url) |
| return url | return url |
| def _get_department_id_of_url(url): | def _get_department_id_of_url(url): |
| # e.g. /dataset/fuel_prices | # e.g. /dataset/fuel_prices |
| # e.g. /dataset/fuel_prices/resource/e63380d4 | # e.g. /dataset/fuel_prices/resource/e63380d4 |
| dataset_match = re.match('/dataset/([^/]+)(/.*)?', url) | dataset_match = re.match('/dataset/([^/]+)(/.*)?', url) |
| if dataset_match: | if dataset_match: |
| dataset_ref = dataset_match.groups()[0] | dataset_ref = dataset_match.groups()[0] |
| dataset = model.Package.get(dataset_ref) | dataset = model.Package.get(dataset_ref) |
| if dataset: | if dataset: |
| publisher_groups = dataset.get_groups('publisher') | publisher_groups = dataset.get_groups('publisher') |
| if publisher_groups: | if publisher_groups: |
| return publisher_groups[0].id | return publisher_groups[0].id |
| def update_url_stats(period_name, period_complete_day, url_data): | def update_url_stats(period_name, period_complete_day, url_data): |
| table = get_table('ga_url') | table = get_table('ga_url') |
| connection = model.Session.connection() | connection = model.Session.connection() |
| for url, views, next_page in url_data: | for url, views, next_page in url_data: |
| url = _normalize_url(url) | url = _normalize_url(url) |
| department_id = _get_department_id_of_url(url) | department_id = _get_department_id_of_url(url) |
| # see if the row for this url & month is in the table already | # see if the row for this url & month is in the table already |
| s = select([func.count(id_col)], | s = select([func.count(id_col)], |
| table.c.period_name == period_name, | table.c.period_name == period_name, |
| table.c.url == url) | table.c.url == url) |
| count = connection.execute(s).fetchone() | count = connection.execute(s).fetchone() |
| if count and count[0]: | if count and count[0]: |
| # update the row | # update the row |
| connection.execute(table.update()\ | connection.execute(table.update() |
| .where(table.c.period_name == period_name, | .where(table.c.period_name == period_name, |
| table.c.url == url)\ | table.c.url == url) |
| .values(period_complete_day=period_complete_day, | .values(period_complete_day=period_complete_day, |
| views=views, | views=views, |
| department_id=department_id, | department_id=department_id, |
| next_page=next_page)) | next_page=next_page)) |
| else: | else: |
| # create the row | # create the row |
| values = {'period_name': period_name, | values = {'period_name': period_name, |
| 'period_complete_day': period_complete_day, | 'period_complete_day': period_complete_day, |
| 'url': url, | 'url': url, |
| 'views': views, | 'views': views, |
| 'department_id': department_id, | 'department_id': department_id, |
| 'next_page': next_page} | 'next_page': next_page} |
| connection.execute(stats.insert()\ | connection.execute(stats.insert(). |
| .values(**values)) | values(**values)) |