mjhjmtu

I do not know where, but the following code is always billing price per hour and sometimes I get paid per day, not per hour, is there a way to change this?

Here is the link to the repository:
https://github.com/d-koppenhagen/latex-rechnung I'm using.

And does someone have a solution for, when I get paid for one day of work, but need to work extra hours and would like to bill them.

% koma_env.tex
documentclass[a4paper]scrlttr2

usepackage[top=2cm, bottom=1cm, left=2cm, right=2cm]geometry
usepackagegraphicx
usepackagelmodern
usepackage[utf8]inputenc
usepackage[T1]fontenc
usepackage[ngerman]babel
usepackagecolor
usepackage[hidelinks]hyperref

usepackage[german]invoice


renewcommandfamilydefaultsfdefault

% include meta data
include_data
% ################## invoice DATA ##################
newcommandinvoiceDatetoday % Datum der rechnungsstellung, change `today' to a different date, if you do not want to use todays date
newcommandpayDateDD.MM.YYYY % Datum der Zahlungsfrist
newcommandinvoiceReferenceYYYYMMDD-1 % Rechnungsnummer (z.B. 20150122-4)
newcommandinvoiceSalutation % die Anrede
newcommandinvoiceTextFolgende Positionen werden in Rechnung gestellt: % Rechnungstext
newcommandinvoiceEnclosures % encl einfügen
newcommandinvoiceClosingMit freundlichen Grüßen
% ################## invoice DATA ##################

% ################## Customer DATA ##################
newcommandcustomerCompanyFirma XYZ %ggf. Firma
newcommandcustomerNameMax Mustermann % Name
newcommandcustomerStreetRobert-Koch-Str. 12 % Straße
newcommandcustomerZIP12345 % Postleitzahl
newcommandcustomerCityMusterstadt % Ort
% ################## Customer DATA ##################

setkomavarfromnamesenderName
setkomavarfromaddresssenderStreet \ senderZIP senderCity
setkomavarplacesenderCity
setkomavardateinvoiceDate
setkomavarfromphonesenderTelephone
setkomavarfrommobilephonesenderMobilephone
setkomavarfromemailhrefmailto:senderEmailnolinkurlsenderEmail
setkomavarsubjectRechnung
setkomavarlocation
 \[baselineskip] \[baselineskip]
 flushright small vspace1cmRechnungsnummer: 
 invoiceReference


setkomavarfirstheadhfill
 parbox[t][headheight][t]7.2cm% <================================== 6cm
 footnotesize
 raggedright
 flushright
 color[gray].3%
begintabularrl
 Anschrift & usekomavarfromname\
 & senderStreet\
 & senderZIP senderCity \
 \
 %Telefon Telefon: ` senderTelephone \
 Mobil & usekomavarfrommobilephone \
 E-Mail & usekomavarfromemail \
 Webseite & normalfontttfamily senderWeb \
 \
 Steuernummer & taxID \
 \
 Institut & accountBankName \
 IBAN & accountIBAN \
 BIC & accountBIC
endtabular 
 %



begindocument
beginlettercustomerCompany \ customerName \ 
customerStreet \ customerZIP customerCity

 includegraphics[width=0.15textwidth]logo.png 
 openinginvoiceSalutation
 invoiceText
 begininvoiceEuro0


ProjectTitleProjekttitel % <=========================================
FeeMusterdienstleistung 130.004
FeeMusterdienstleistung 236.007

% Auslagen
%EBCiHotel, 12 Nächte 2400.00
%STExpenses

% Rabatt
DiscountRabatt 20 % <==============================================
 endinvoice
 ps Im ausgewiesenen Betrag ist gemäß § 19 UStG keine Umsatzsteuer 
 enthalten.

 closinginvoiceClosing
 invoiceEnclosures



 endletter
enddocument

Well you need to expand the style invoice in the preamble of your document with the following code:

makeatletter
defUnitDay Preis/Tag% <========================================

newcommandFeeDay@Title% <==========================================
 \
 noindenttextbfActivity&&UnitDay&Count&Amount (BC)\
 hline%
%

newcommandFeeDay[3]% Yields state 3, Print Fee Item <==============
 %
 % #1 Contents
 % #2 Fee per Day
 % #3 Unit Count
 %
 ifcaseFlag % 0: Invoice not started yet
 error@messageMissingOpening%
 %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 or % 1: Start invoice
 %
 error@messageMissingProject%
 %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 or % 2: Start project, print title
 %
 FeeDay@Title%
 Fee@Line#1#2#3%
 %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 or % 3: Print remuneration item
 %
 Fee@Line#1#2#3%
 %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 or % 4: Print subtotal remuneration
 %
 warning@messageFeeSTExists%
 %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 or % 5: Expense item
 %
 error@messageFeeBeforeExpense%
 %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 or % 6: Print subtotal expenses
 %
 error@messageFeeBeforeExpense%
 %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 or % 7: Print subtotal project
 %
 error@messageProjectCompletedNoFee%
 %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 or % 8: Print total, close invoice
 %
 error@messageInvoiceCompletedNoFee%
 %
 %
 else error@messageInternalError%
 fi%
%
makeatother

Please see that you have to define new commnands defUnitDay (I did only for german!), FeeDay@Title to print the heading with "Preis/Tag" and FeeDay to print one calculation for one work done at x days.

So you can use this commands in this way:

ProjectTitleTagesleistungen % <=========================================
FeeDayMusterdienstleistung 3360.003

In the following MWE I keept the old invoice and added the new commands and code I showed above:

documentclass[a4paper]scrlttr2

usepackage[top=2cm, bottom=1cm, left=2cm, right=2cm]geometry
usepackagegraphicx
usepackagelmodern
usepackage[utf8]inputenc
usepackage[T1]fontenc
usepackage[ngerman]babel
usepackagecolor
usepackage[hidelinks]hyperref

usepackage[german]invoice


%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
makeatletter
defUnitDay Preis/Tag% <========================================

newcommandFeeDay@Title% <==========================================
 \
 noindenttextbfActivity&&UnitDay&Count&Amount (BC)\
 hline%
%

newcommandFeeDay[3]% Yields state 3, Print Fee Item <==============
 %
 % #1 Contents
 % #2 Fee per Day
 % #3 Unit Count
 %
 ifcaseFlag % 0: Invoice not started yet
 error@messageMissingOpening%
 %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 or % 1: Start invoice
 %
 error@messageMissingProject%
 %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 or % 2: Start project, print title
 %
 FeeDay@Title%
 Fee@Line#1#2#3%
 %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 or % 3: Print remuneration item
 %
 Fee@Line#1#2#3%
 %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 or % 4: Print subtotal remuneration
 %
 warning@messageFeeSTExists%
 %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 or % 5: Expense item
 %
 error@messageFeeBeforeExpense%
 %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 or % 6: Print subtotal expenses
 %
 error@messageFeeBeforeExpense%
 %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 or % 7: Print subtotal project
 %
 error@messageProjectCompletedNoFee%
 %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 or % 8: Print total, close invoice
 %
 error@messageInvoiceCompletedNoFee%
 %
 %
 else error@messageInternalError%
 fi%
%
makeatother


renewcommandfamilydefaultsfdefault

% include meta data
include_data % <============== delete in this file the following data!
% ################## invoice DATA ##################
newcommandinvoiceDateDD.MM.YYYY % Datum der rechnungsstellung
newcommandpayDateDD.MM.YYYY % Datum der Zahlungsfrist
newcommandinvoiceReferenceYYYYMMDD-1 % Rechnungsnummer (z.B. 20150122-4)
newcommandinvoiceSalutationSehr geehrte Damen und Herren, % die Anrede
newcommandinvoiceTextFür die von mir erbrachte Leistung erhalten sie
hiermit die Rechnung. Bitte zahlen Sie den unten aufgeführten Gesamtbetrag
unter Angabe der Rechnungsnummer (invoiceReference) bis
zum payDate auf das angegebene Konto ein. % Rechnungstext
newcommandinvoiceEnclosures % encl einfügen
newcommandinvoiceClosingMit freundlichen Grüßen
% ################## invoice DATA ##################

% ################## Customer DATA ##################
newcommandcustomerCompanyFirma XYZ %ggf. Firma
newcommandcustomerNameMax Mustermann % Name
newcommandcustomerStreetRobert-Koch-Str. 12 % Straße
newcommandcustomerZIP12345 % Postleitzahl
newcommandcustomerCityMusterstadt % Ort
% ################## Customer DATA ##################

setkomavarfromnamesenderName
setkomavarfromaddresssenderStreet \ senderZIP senderCity
setkomavarplacesenderCity
setkomavardateinvoiceDate
setkomavarfromphonesenderTelephone
setkomavarfrommobilephonesenderMobilephone
setkomavarfromemailhrefmailto:senderEmailnolinkurlsenderEmail
setkomavarsubjectRechnung
setkomavarlocation
 \[baselineskip] \[baselineskip]
 flushright small vspace1cmRechnungsnummer: 
 invoiceReference


setkomavarfirstheadhfill
 parbox[t][headheight][t]7cm% <================================== 6cm
 footnotesize
 raggedright
 flushright
 color[gray].3%
 begintabularrl
 Anschrift & usekomavarfromname\
 & senderStreet\
 & senderZIP senderCity \
 \
 %Telefon Telefon: ` senderTelephone \
 Mobil & usekomavarfrommobilephone \
 E-Mail & usekomavarfromemail \
 Webseite & normalfontttfamily senderWeb \
 \
 Steuernummer & taxID \
 \
 Institut & accountBankName \
 IBAN & accountIBAN \
 BIC & accountBIC
 endtabular 
 %



begindocument
 beginlettercustomerCompany \ customerName \ 
 customerStreet \ customerZIP customerCity

 includegraphics[width=0.15textwidth]logo.png 
 openinginvoiceSalutation
 invoiceText
 begininvoiceEuro0
ProjectTitleProjekttitel % <=========================================
FeeMusterdienstleistung 130.004
FeeMusterdienstleistung 236.007
ProjectTitleTagesleistungen % <=========================================
FeeDayMusterdienstleistung 3360.003

% Auslagen
%EBCHotel, 12 Nächte 2400.00 % EBCiHotel, 12 Nächte 2400.00
%STExpenses

% Rabatt
DiscountRabatt 20 % <==============================================
 endinvoice
 ps Im ausgewiesenen Betrag ist gemäß § 19 UStG keine Umsatzsteuer 
 enthalten.

 closinginvoiceClosing
 invoiceEnclosures



 endletter
enddocument

with the result: