137 lines
No EOL
4 KiB
Python
137 lines
No EOL
4 KiB
Python
#from datetime import datetime
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from django.conf import settings
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from django.db import connection
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def _select_from_db(sql_select:str):
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result = None
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with connection.cursor() as cursor:
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cursor.execute(sql_select)
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result = cursor.fetchall()
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return result
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def select_history(user, language_code="en") -> list:
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# select order history and deposits
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user_id = user.pk
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result = _select_from_db(f"""
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select
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concat(
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product_name, ' (',
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content_litres::real, -- converting to real removes trailing zeros
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'l) x ', amount, ' - ', price_sum, '{settings.CURRENCY_SUFFIX}') as "text",
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datetime
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from app_order
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where user_id = {user_id}
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union
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select
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concat('Deposit: +', transaction_sum, '{settings.CURRENCY_SUFFIX}') as "text",
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datetime
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from app_userdeposits_view
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where user_id = {user_id}
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order by datetime desc
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fetch first 30 rows only;
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""")
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result = [list(row) for row in result]
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if language_code == "de": # reformat for german translation
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for row in result:
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row[0] = row[0].replace(".", ",")
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return result
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def select_yopml12m(user) -> list:
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# number of orders per month (last 12 months)
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# only for the specified user
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user_id = user.pk
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result = _select_from_db(f"""
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-- select the count of the orders per month (last 12 days)
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select
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to_char(date_trunc('month', datetime), 'YYYY-MM') as "month",
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sum(amount) as "count"
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from app_order
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where user_id = {user_id}
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and date_trunc('month', datetime) > date_trunc('month', now() - '12 months'::interval)
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group by "month"
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order by "month" desc;
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""")
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return [list(row) for row in result]
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def select_aopml12m() -> list:
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# number of orders per month (last 12 months)
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result = _select_from_db(f"""
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-- select the count of the orders per month (last 12 days)
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select
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to_char(date_trunc('month', datetime), 'YYYY-MM') as "month",
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sum(amount) as "count"
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from app_order
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where date_trunc('month', datetime) > date_trunc('month', now() - '12 months'::interval)
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group by "month"
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order by "month" desc;
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""")
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return [list(row) for row in result]
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def select_yopwd(user) -> list:
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# number of orders per weekday (all time)
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# only for the specified user
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user_id = user.pk
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result = _select_from_db(f"""
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-- select the count of the orders per weekday (all time)
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select
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to_char(datetime, 'Day') as "day",
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sum(amount) as "count"
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from app_order
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where user_id = {user_id}
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group by "day"
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order by "count" desc;
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""")
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return [list(row) for row in result]
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return []
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def select_aopwd() -> list:
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# number of orders per weekday (all time)
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result = _select_from_db(f"""
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-- select the count of the orders per weekday (all time)
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select
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to_char(datetime, 'Day') as "day",
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sum(amount) as "count"
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from app_order
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group by "day"
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order by "count" desc;
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""")
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return [list(row) for row in result]
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return []
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def select_noyopd(user) -> list:
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# number of orders per drink (all time)
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# only for specified user
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user_id = user.pk
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result = _select_from_db(f"""
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select
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d.product_name as "label",
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sum(o.amount) as "data"
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from app_drink d
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join app_order o on (d.id = o.drink_id)
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where o.user_id = {user_id}
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group by d.product_name
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order by "data" desc;
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""")
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return [list(row) for row in result]
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def select_noaopd() -> list:
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# number of orders per drink (all time)
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result = _select_from_db(f"""
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select
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d.product_name as "label",
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sum(o.amount) as "data"
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from app_drink d
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join app_order o on (d.id = o.drink_id)
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group by d.product_name
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order by "data" desc;
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""")
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return [list(row) for row in result] |