Files
notifications-api/app/platform_stats/rest.py
Leo Hemsted 9502f17d84 flake8 fixes
a stricter flake8 bump. mostly things around f strings and format
strings, but a couple of bad placeholder names in loops
2020-12-07 15:24:02 +00:00

125 lines
4.8 KiB
Python

from datetime import datetime
from flask import Blueprint, jsonify, request
from app.dao.date_util import get_financial_year_for_datetime
from app.dao.fact_billing_dao import (
fetch_sms_billing_for_all_services, fetch_letter_costs_for_all_services,
fetch_letter_line_items_for_all_services
)
from app.dao.fact_notification_status_dao import fetch_notification_status_totals_for_all_services
from app.errors import register_errors, InvalidRequest
from app.models import UK_POSTAGE_TYPES
from app.platform_stats.platform_stats_schema import platform_stats_request
from app.service.statistics import format_admin_stats
from app.schema_validation import validate
from app.utils import get_london_midnight_in_utc
platform_stats_blueprint = Blueprint('platform_stats', __name__)
register_errors(platform_stats_blueprint)
@platform_stats_blueprint.route('')
def get_platform_stats():
if request.args:
validate(request.args, platform_stats_request)
# If start and end date are not set, we are expecting today's stats.
today = str(datetime.utcnow().date())
start_date = datetime.strptime(request.args.get('start_date', today), '%Y-%m-%d').date()
end_date = datetime.strptime(request.args.get('end_date', today), '%Y-%m-%d').date()
data = fetch_notification_status_totals_for_all_services(start_date=start_date, end_date=end_date)
stats = format_admin_stats(data)
return jsonify(stats)
def validate_date_range_is_within_a_financial_year(start_date, end_date):
try:
start_date = datetime.strptime(start_date, "%Y-%m-%d").date()
end_date = datetime.strptime(end_date, "%Y-%m-%d").date()
except ValueError:
raise InvalidRequest(message="Input must be a date in the format: YYYY-MM-DD", status_code=400)
if end_date < start_date:
raise InvalidRequest(message="Start date must be before end date", status_code=400)
start_fy = get_financial_year_for_datetime(get_london_midnight_in_utc(start_date))
end_fy = get_financial_year_for_datetime(get_london_midnight_in_utc(end_date))
if start_fy != end_fy:
raise InvalidRequest(message="Date must be in a single financial year.", status_code=400)
return start_date, end_date
@platform_stats_blueprint.route('usage-for-all-services')
def get_usage_for_all_services():
start_date = request.args.get('start_date')
end_date = request.args.get('end_date')
start_date, end_date = validate_date_range_is_within_a_financial_year(start_date, end_date)
sms_costs = fetch_sms_billing_for_all_services(start_date, end_date)
letter_costs = fetch_letter_costs_for_all_services(start_date, end_date)
letter_breakdown = fetch_letter_line_items_for_all_services(start_date, end_date)
lb_by_service = [
(lb.service_id,
f"{lb.letters_sent} {postage_description(lb.postage)} letters at {format_letter_rate(lb.letter_rate)}")
for lb in letter_breakdown
]
combined = {}
for s in sms_costs:
entry = {
"organisation_id": str(s.organisation_id) if s.organisation_id else "",
"organisation_name": s.organisation_name or "",
"service_id": str(s.service_id),
"service_name": s.service_name,
"sms_cost": float(s.sms_cost),
"sms_fragments": s.chargeable_billable_sms,
"letter_cost": 0,
"letter_breakdown": ""
}
combined[s.service_id] = entry
for letter_cost in letter_costs:
if letter_cost.service_id in combined:
combined[letter_cost.service_id].update({'letter_cost': float(letter_cost.letter_cost)})
else:
letter_entry = {
"organisation_id": str(letter_cost.organisation_id) if letter_cost.organisation_id else "",
"organisation_name": letter_cost.organisation_name or "",
"service_id": str(letter_cost.service_id),
"service_name": letter_cost.service_name,
"sms_cost": 0,
"sms_fragments": 0,
"letter_cost": float(letter_cost.letter_cost),
"letter_breakdown": ""
}
combined[letter_cost.service_id] = letter_entry
for service_id, breakdown in lb_by_service:
combined[service_id]['letter_breakdown'] += (breakdown + '\n')
# sorting first by name == '' means that blank orgs will be sorted last.
return jsonify(sorted(combined.values(), key=lambda x: (
x['organisation_name'] == '',
x['organisation_name'],
x['service_name']
)))
def postage_description(postage):
if postage in UK_POSTAGE_TYPES:
return f'{postage} class'
else:
return 'international'
def format_letter_rate(number):
if number >= 1:
return f"£{number:,.2f}"
return f"{number * 100:.0f}p"