# Copyright 2016 Meik Michalke <meik.michalke@c3s.cc>
#
# This file is part of the R package GEMATariff.
#
# GEMATariff is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# GEMATariff is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with GEMATariff. If not, see <http://www.gnu.org/licenses/>.
#' Calculate GEMA tariff M U-III
#'
#' @param obj An object of class \code{\link[GEMATariff]{GEMA.dancefloor-class}}.
#' @param discount Logical, whether a reduction due to a global contract ("Gesamtvertrag") is eligable. As of now, a reduction of 20\%
#' is granted if this is set to \code{TRUE}.
#' @export
#' @docType methods
#' @rdname tariff-methods
setGeneric("GEMA_m_u_iii", function(dancefloor, discount=FALSE){standardGeneric("GEMA_m_u_iii")})
#' @export
#' @docType methods
#' @rdname tariff-methods
#' @aliases GEMA_m_u_iii GEMA_m_u_iii,GEMA.dancefloor-method
#' @include 01_class_01_GEMA.dancefloor.R
setMethod("GEMA_m_u_iii",
signature(dancefloor="GEMA.dancefloor"),
function (dancefloor, discount=FALSE){
results <- new("GEMA.invoice_m_cd", dancefloor=dancefloor)
result.factors <- slot(results, "factors") # c(GVL=1.26, VAT=1.07, launch=1)
result.categories <- slot(results, "categories") # c(space=1, admission=1)
result.tariff <- slot(results, "tariff") # matrix(rep(0,6), ncol=3, dimnames=list(c("GEMA", "GVL"),c("month","quarter","year")))
result.invoice <- slot(results, "invoice") # matrix(rep(0,15), ncol=3, dimnames=list(c("GEMA", "GVL","net", "VAT", "gross"),c("month","quarter","year")))
result.reduction <- c()
days <- 4 * slot(dancefloor, "days")
space <- slot(dancefloor, "space")
admission <- slot(dancefloor, "admission")
GVLFactor <- 1.26
result.factors["GVL"] <- GVLFactor
result.factors["VAT"] <- 1.07
# the matrix tariff_matrix_m_u_iii_1_c_2012 is defined in GEMATariff-internal_tariff_tables.R
if(days > 16){
first100 <- tariff_matrix_m_u_iii_1_c_2012["first100","gt16"]
each100 <- tariff_matrix_m_u_iii_1_c_2012["each100","gt16"]
} else {
first100 <- tariff_matrix_m_u_iii_1_c_2012["first100","le16"]
each100 <- tariff_matrix_m_u_iii_1_c_2012["each100","le16"]
}
spaceCategory <- category_space(space=space)
result.categories["space"] <- spaceCategory
if(spaceCategory > 1){
tariff <- first100 + ((spaceCategory - 1) * each100)
} else {
tariff <- first100
}
# global discount
result.factors["discount"] <- ifelse(isTRUE(discount), .8, 1)
dicountTariff <- globalDiscount(net=tariff, discount=result.factors["discount"])
result.reduction["discount"] <- dicountTariff[["discount"]]
tariff <- dicountTariff[["tariff"]]
result.invoice <- invoice(
tariff=tariff,
taxFactor=result.factors["VAT"],
GVLFactor=result.factors["GVL"]
)
result.tariff["GEMA",] <- result.invoice["GEMA",]
result.tariff["GVL",] <- result.invoice["GVL",]
slot(results, "factors") <- result.factors
slot(results, "categories") <- result.categories
slot(results, "tariff") <- result.tariff
slot(results, "reduction") <- result.reduction
slot(results, "invoice") <- result.invoice
return(results)
}
)
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