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ledger exercise pre-locale migration

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Xevion
2019-07-24 18:10:55 -05:00
parent 58315f6fe6
commit 63faa91636
1 changed files with 38 additions and 72 deletions
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110
python/ledger/ledger.py
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@@ -6,90 +6,44 @@ class LedgerEntry(object):
def __init__(self, date, description, change):
self.date, self.description, self.change = date, description, change
locales = {
'en_US' : {
'date' : 'Date',
'desc' : 'Description',
'change' : 'Change'
},
'nl_NL' : {
'date' : 'Datum',
'desc' : 'Omschrijving',
'change' : 'Verandering'
}
}
currencies = {
'USD' : '$',
'EUR' : '€'
}
def create_entry(date, description, change):
return LedgerEntry(datetime.strptime(date, '%Y-%m-%d'), description, change)
def format_entries(currency, locale, entries):
if locale == 'en_US':
# Generate Header Row
table = 'Date'
for _ in range(7):
table += ' '
table += '| Description'
for _ in range(15):
table += ' '
table += '| Change'
for _ in range(7):
table += ' '
table = ' | '.join([locales[locale]['date'].ljust(10), locales[locale]['desc'].ljust(25), locales[locale]['change'].ljust(13)])
entries.sort(key=lambda item : (item.date, item.change))
while len(entries) > 0:
table += '\n'
entry = entries.pop(0)
# Find next entry in order
min_entry_index = -1
for i in range(len(entries)):
entry = entries[i]
if min_entry_index < 0:
min_entry_index = i
continue
min_entry = entries[min_entry_index]
if entry.date < min_entry.date:
min_entry_index = i
continue
if (
entry.date == min_entry.date and
entry.change < min_entry.change
):
min_entry_index = i
continue
if (
entry.date == min_entry.date and
entry.change == min_entry.change and
entry.description < min_entry.description
):
min_entry_index = i
continue
entry = entries[min_entry_index]
entries.pop(min_entry_index)
# Write entry date to table
month = entry.date.month
month = str(month)
if len(month) < 2:
month = '0' + month
date_str = month
date_str += '/'
day = entry.date.day
day = str(day)
if len(day) < 2:
day = '0' + day
date_str += day
date_str += '/'
year = entry.date.year
year = str(year)
while len(year) < 4:
year = '0' + year
date_str += year
table += date_str
table += ' | '
date_str = "{}/{}/{}".format(str(entry.date.month).zfill(2), str(entry.date.day).zfill(2), str(entry.date.year).zfill(4))
table += date_str + ' | '
# Write entry description to table
# Truncate if necessary
if len(entry.description) > 25:
for i in range(22):
table += entry.description[i]
table += '...'
else:
for i in range(25):
if len(entry.description) > i:
table += entry.description[i]
else:
table += ' '
table += (entry.description[:22] + '...' if len(entry.description) > 25 else entry.description).ljust(25)
table += ' | '
# Write entry change to table
@@ -99,6 +53,7 @@ def format_entries(currency, locale, entries):
change_str = '('
change_str += '$'
change_dollar = abs(int(entry.change / 100.0))
dollar_parts = []
while change_dollar > 0:
dollar_parts.insert(0, str(change_dollar % 1000))
@@ -158,7 +113,8 @@ def format_entries(currency, locale, entries):
change_str = ' ' + change_str
table += change_str
return table
elif locale == 'nl_NL':
# Generate Header Row
table = 'Datum'
@@ -294,3 +250,13 @@ def format_entries(currency, locale, entries):
change_str = ' ' + change_str
table += change_str
return table
entries = [
create_entry('2015-01-02', 'Something', 0),
create_entry('2015-01-02', 'Something', -1),
create_entry('2015-01-02', 'Something', 1),
create_entry('2015-01-01', 'Something', 0),
create_entry('2015-01-01', 'Something', -1),
create_entry('2015-01-01', 'Something', 1)
]
print(format_entries('USD', 'en_US', entries))