@ -47,7 +47,7 @@ class StatementManager(models.Manager):
class Statement ( CommonModel ) :
MISSING_LEDGER , NON_MATCHING_TRANSACTIONS , = 0 , 1 , 2
MISSING_LEDGER , NON_MATCHING_TRANSACTIONS , INVALID_ALLOWANCE_TO, INVALID_TOTAL , VALID = 0 , 1 , 2 , 3 , 4
short_description = models . CharField ( verbose_name = _ ( ' Short description ' ) ,
max_length = 30 ,
@ -123,7 +123,9 @@ class Statement(CommonModel):
needed_paiments = [ ( b . paid_by , b . amount ) for b in self . bill_set . all ( ) if b . costs_covered and b . paid_by ]
if self . excursion is not None :
needed_paiments . extend ( [ ( yl , self . real_per_yl ) for yl in self . excursion . jugendleiter . all ( ) ] )
needed_paiments . extend ( [ ( yl , self . allowance_per_yl ) for yl in self . allowance_to . all ( ) ] )
if self . subsidy_to :
needed_paiments . append ( ( self . subsidy_to , self . total_subsidies ) )
needed_paiments = sorted ( needed_paiments , key = lambda p : p [ 0 ] . pk )
target = dict ( map ( lambda p : ( p [ 0 ] , sum ( [ x [ 1 ] for x in p [ 1 ] ] ) ) , groupby ( needed_paiments , lambda p : p [ 0 ] ) ) )
@ -157,10 +159,25 @@ class Statement(CommonModel):
def transactions_match_expenses ( self ) :
return len ( self . transaction_issues ) == 0
def is_valid ( self ) :
return self . ledgers_configured and self . transactions_match_expenses
is_valid . boolean = True
is_valid . short_description = _ ( ' Ready to confirm ' )
@property
def allowance_to_valid ( self ) :
""" Checks if the configured `allowance_to` field matches the regulations. """
if self . allowance_to . count ( ) != self . real_staff_count :
return False
if self . excursion is not None :
yls = self . excursion . jugendleiter . all ( )
for yl in self . allowance_to . all ( ) :
if yl not in yls :
return False
return True
@property
def total_valid ( self ) :
""" Checks if the calculated total agrees with the total amount of all transactions. """
total_transactions = 0
for transaction in self . transaction_set . all ( ) :
total_transactions + = transaction . amount
return self . total == total_transactions
@property
def validity ( self ) :
@ -168,9 +185,18 @@ class Statement(CommonModel):
return Statement . NON_MATCHING_TRANSACTIONS
if not self . ledgers_configured :
return Statement . MISSING_LEDGER
if not self . allowance_to_valid :
return Statement . INVALID_ALLOWANCE_TO
if not self . total_valid :
return Statement . INVALID_TOTAL
else :
return Statement . VALID
def is_valid ( self ) :
return self . validity == Statement . VALID
is_valid . boolean = True
is_valid . short_description = _ ( ' Ready to confirm ' )
def confirm ( self , confirmer = None ) :
if not self . submitted :
return False
@ -203,9 +229,14 @@ class Statement(CommonModel):
if self . excursion is None :
return True
for yl in self . excursion . jugendleiter . all ( ) :
ref = _ ( " Compensation for %(excu)s " ) % { ' excu ' : self . excursion . name }
Transaction ( statement = self , member = yl , amount = self . real_per_yl , confirmed = False , reference = ref ) . save ( )
# allowance
for yl in self . allowance_to . all ( ) :
ref = _ ( " Allowance for %(excu)s " ) % { ' excu ' : self . excursion . name }
Transaction ( statement = self , member = yl , amount = self . allowance_per_yl , confirmed = False , reference = ref ) . save ( )
# subsidies (i.e. night and transportation costs)
ref = _ ( " Night and travel costs for %(excu)s " ) % { ' excu ' : self . excursion . name }
Transaction ( statement = self , member = self . subsidy_to , amount = self . total_subsidies , confirmed = False , reference = ref ) . save ( )
return True
def reduce_transactions ( self ) :
@ -300,6 +331,14 @@ class Statement(CommonModel):
return cvt_to_decimal ( self . total_staff / self . excursion . staff_count )
@property
def total_subsidies ( self ) :
"""
The total amount of subsidies excluding the allowance , i . e . the transportation
and night costs per youth leader multiplied with the real number of youth leaders .
"""
return ( self . transportation_per_yl + self . nights_per_yl ) * self . real_staff_count
@property
def total_staff ( self ) :
return self . total_per_yl * self . real_staff_count
@ -353,6 +392,7 @@ class Statement(CommonModel):
' transportation_per_yl ' : self . transportation_per_yl ,
' total_per_yl ' : self . total_per_yl ,
' total_staff ' : self . total_staff ,
' total_subsidies ' : self . total_subsidies ,
}
return dict ( context , * * excursion_context )
else :
