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mirror of https://github.com/ilri/dspace-statistics-api.git synced 2024-06-29 09:33:47 +02:00
dspace-statistics-api/app.py
Alan Orth 4cf8656b35
Change / route to /items
I think it's more obvious if the "all items" route is plural. Also,
this will allow me to eventually put documentation at the root.
2018-09-25 11:34:07 +03:00

66 lines
2.0 KiB
Python

from database import database_connection
import falcon
from solr import solr_connection
db = database_connection()
db.set_session(readonly=True)
solr = solr_connection()
class AllItemsResource:
def on_get(self, req, resp):
"""Handles GET requests"""
# Return HTTPBadRequest if id parameter is not present and valid
limit = req.get_param_as_int("limit", min=0, max=100) or 100
page = req.get_param_as_int("page", min=0) or 0
offset = limit * page
cursor = db.cursor()
# get total number of items so we can estimate the pages
cursor.execute('SELECT COUNT(id) FROM items')
pages = round(cursor.fetchone()[0] / limit)
# get statistics, ordered by id, and use limit and offset to page through results
cursor.execute('SELECT id, views, downloads FROM items ORDER BY id ASC LIMIT {} OFFSET {}'.format(limit, offset))
results = cursor.fetchmany(limit)
cursor.close()
# create a list to hold dicts of item stats
statistics = list()
# iterate over results and build statistics object
for item in results:
statistics.append({ 'id': item['id'], 'views': item['views'], 'downloads': item['downloads'] })
message = {
'currentPage': page,
'totalPages': pages,
'limit': limit,
'statistics': statistics
}
resp.media = message
class ItemResource:
def on_get(self, req, resp, item_id):
"""Handles GET requests"""
cursor = db.cursor()
cursor.execute('SELECT views, downloads FROM items WHERE id={}'.format(item_id))
results = cursor.fetchone()
cursor.close()
statistics = {
'id': item_id,
'views': results['views'],
'downloads': results['downloads']
}
resp.media = statistics
api = falcon.API()
api.add_route('/items', AllItemsResource())
api.add_route('/item/{item_id:int}', ItemResource())
# vim: set sw=4 ts=4 expandtab: