exceptions in tax
[outofuni/gocash.git] / gocash.go
index 88b84d9..276ac53 100644 (file)
--- a/gocash.go
+++ b/gocash.go
@@ -5,15 +5,104 @@ import (
        "fmt"
        "io/ioutil"
        "os"
+       "strings"
+       "strconv"
 )
 
+//
+// hardcoded account ids we have to look at
+//
+// --- buy
+// wareneingang 19% and 7%
+const pid_buy_n = string("8e3b7c42e3173ed85f3d4736e82afb4d")
+const pid_buy_s = string("0cfd2ceb45fff89b9d1b7ce3af66cdf3")
+const pid_misc  = string("e3acc2865dbf931e41cf2b90240de5c2")
+const pid_rep   = string("b1d04ad157cac569f4299d4ddf94ed6f")
+const pid_room  = string("4394ed4ffa7266f8f8731080926a7a61")
+const pid_cap   = string("4196ee026d1bdb785df2c975fca91ae0")
+const aid_werbe = string("cb67d346eac01c2b66e2394df4e8d6e8")
+// abziehbare vst 19% and 7%
+const aid_vst_n = string("7c449e13125d6b93043f963628106db2")
+const aid_vst_s = string("006643c1c0a91f2b40614c75a49c6295")
+// --- sales
+// receipts
+const aid_rec_n = string("f3e905732b729ba096a50dab60559ce7")
+const aid_rec_s = string("66c1b04bd897766cb2be538094e1db6a")
+const aid_tip   = string("1d20024badc11a99a8e1cf3a9a64a501")
+const aid_dep   = string("9772f4e231f6f5e3100132cc53eb3447")
+// ust
+const aid_ust_n = string("e4bd6ff52408be8076f24aeb105893d9")
+const aid_ust_s = string("38bf40d16529f2a1e611c073c6c1dc9c")
+
+type inv_accnts struct {
+       id string
+       taxval int
+       tax bool
+       buy bool
+}
+
+// make these account data the only one, above p/aids redundant!
+// we have all the information in here!
+
+var iaa []inv_accnts = []inv_accnts{
+// wareneingang 19% and 7% (note: pids!)
+ { "8e3b7c42e3173ed85f3d4736e82afb4d",19,false,true },
+ { "0cfd2ceb45fff89b9d1b7ce3af66cdf3", 7,false,true },
+ { "e3acc2865dbf931e41cf2b90240de5c2",19,false,true },
+ { "b1d04ad157cac569f4299d4ddf94ed6f",19,false,true },
+ { "4394ed4ffa7266f8f8731080926a7a61",19,false,true },
+ { "4196ee026d1bdb785df2c975fca91ae0",19,false,true },
+// aids ...
+ { "cb67d346eac01c2b66e2394df4e8d6e8",19,false,true },
+// abziehbare vst 19% and 7%
+ { "7c449e13125d6b93043f963628106db2",19,true,true },
+ { "006643c1c0a91f2b40614c75a49c6295", 7,true,true },
+// --- sales
+// receipts
+ { "f3e905732b729ba096a50dab60559ce7",19,false,false },
+ { "66c1b04bd897766cb2be538094e1db6a", 7,false,false },
+ { "1d20024badc11a99a8e1cf3a9a64a501",19,false,false },
+ { "9772f4e231f6f5e3100132cc53eb3447",19,false,false },
+// ust
+ { "e4bd6ff52408be8076f24aeb105893d9",19,true,false },
+ { "38bf40d16529f2a1e611c073c6c1dc9c", 7,true,false },
+}
+
+// transacion exception list
+var trn_exc = []string{
+       "GEMA",
+       "Deutsche Post",
+       "gesetz IHK",
+       "Gesundheitsbelehrung",
+       "Gewerbezentralregister",
+       "Entgeltabrechnung siehe Anlage",
+       "ENTGELT SPK",
+       "ttenrecht und F",
+       "Unterrichtung Gastst",
+}
+
+// account exception list
+var account_exc = []string{
+       "4970 Nebenkosten des",
+}
+
+// account maps
+type amap struct {
+       pid string // parent id
+       num int // account number
+       taxval int // 7 or 19
+       buy bool // buy or sales
+       tax bool // tax or non-tax(=goods) account
+       rid []string // required transaction account(s)
+}
+
+// xml
 type Account struct {
        XMLName xml.Name `xml:"account"`
        Name string `xml:"name"`
        AccountId string `xml:"id"`
        ParentId string `xml:"parent"`
 }
-
 type Split struct {
        XMLName xml.Name `xml:"split"`
        Id string `xml:"id"`
@@ -21,7 +110,6 @@ type Split struct {
        Quantity string `xml:"quantity"`
        AccountId string `xml:"account"`
 }
-
 type Transaction struct {
        XMLName xml.Name `xml:"transaction"`
        Id string `xml:"id"`
@@ -29,7 +117,6 @@ type Transaction struct {
        Description string `xml:"description"`
        Spl []Split `xml:"splits>split"`
 }
-
 type ParsedData struct {
        XMLName xml.Name `xml:"gnc-v2"`
        DataCnt []string `xml:"count-data"`
@@ -37,11 +124,28 @@ type ParsedData struct {
        Trn []Transaction `xml:"book>transaction"`
 }
 
+// tax
+type TaxReport struct {
+       Expenses [2]int
+       InputTax [2]int
+       ExpExc [2]int
+       ITExc [2]int
+       Receipts [2]int
+       SalesTax [2]int
+}
+
 // 'global' data
 var data ParsedData
+var tax_report TaxReport
 
 func main() {
 
+       // argv
+       sel_date := ""
+       if len(os.Args) > 1 {
+               sel_date = os.Args[1]
+       }
+
        // open xml file
        file, err := os.Open("c13_skr03.gnucash")
        if err != nil {
@@ -67,86 +171,248 @@ func main() {
        // whooha, this is our data!
        fmt.Println("Parsed accounts:",len(data.Accnt))
        fmt.Println("Parsed transactions:",len(data.Trn))
+       fmt.Println("")
 
-       //
-       // hardcoded account ids we have to look at
-       //
-       // wareneingang 19% and 7%
-       pid_buy_n := string("8e3b7c42e3173ed85f3d4736e82afb4d")
-       pid_buy_s := string("0cfd2ceb45fff89b9d1b7ce3af66cdf3")
-       // abziehbare vst 19% and 7%
-       aid_vst_n := string("7c449e13125d6b93043f963628106db2")
-       aid_vst_s := string("006643c1c0a91f2b40614c75a49c6295")
-
-       // account maps
-       type amap struct {
-               pid string
-               num int
-               taxval int
-               buy bool
-               tax bool
-       }
        accnt := make(map[string]amap)
 
        for ac := range data.Accnt {
                aid := data.Accnt[ac].AccountId
                pid := data.Accnt[ac].ParentId
                // general map
+               rid := make ([]string,10,10)
                accnt[aid]=amap{
-                       pid,ac,0,false,false,
+                       pid,ac,0,false,false,rid,
                }
+               rid[0]="NONE"
                tmp := accnt[aid]
                switch {
-               case pid == pid_buy_n:
+               // ---- buy
+               //   -- goods
+               case pid == pid_buy_n || pid == pid_misc || pid == pid_rep || pid == pid_room || pid == pid_cap || aid == aid_werbe:
                        tmp.taxval=19
                        tmp.buy=true
+                       rid[0]=aid_vst_n
                        accnt[aid]=tmp
-                       //accnt[aid].taxval=19
-                       //accnt[aid].buy=true
                case pid == pid_buy_s:
-                       //accnt[aid].tax=7
-                       //accnt[aid].buy=true
+                       tmp.taxval=7
+                       tmp.buy=true
+                       rid[0]=aid_vst_s
+                       accnt[aid]=tmp
+               //   -- tax
                case aid == aid_vst_n:
-                       //accnt[aid].taxval=19
-                       //accnt[aid].buy=true
-                       //accnt[aid].tax=true
+                       tmp.taxval=19
+                       tmp.buy=true
+                       tmp.tax=true
+                       rid=[]string{pid_buy_n,pid_misc,pid_rep,pid_room,pid_cap,aid_werbe,}
+                       accnt[aid]=tmp
                case aid == aid_vst_s:
-                       //accnt[aid].tax=7
-                       //accnt[aid].buy=true
-                       //accnt[aid].tax=true
-               // there will be more assignments later on!
+                       tmp.taxval=7
+                       tmp.buy=true
+                       tmp.tax=true
+                       rid[0]=pid_buy_s
+                       accnt[aid]=tmp
+               // ---- sales ----
+               //   -- receipts
+               case aid == aid_rec_n || aid == aid_tip || aid == aid_dep:
+                       tmp.taxval=19
+                       rid[0]=aid_ust_n
+                       accnt[aid]=tmp
+               case aid == aid_rec_s:
+                       tmp.taxval=7
+                       rid[0]=aid_ust_s
+                       accnt[aid]=tmp
+               //   -- tax
+               case aid == aid_ust_n:
+                       tmp.taxval=19
+                       tmp.tax=true
+                       rid=[]string{aid_rec_n,aid_tip,aid_dep,}
+                       accnt[aid]=tmp
+               case aid == aid_ust_s:
+                       tmp.taxval=7
+                       tmp.tax=true
+                       rid[0]=aid_rec_s
+                       accnt[aid]=tmp
                }
        }
 
-       // check transactions
+       // check transactions ...
        for tc := range data.Trn {
-               for tsc := range data.Trn[tc].Spl {
-                       aid := data.Trn[tc].Spl[tsc].AccountId
-                       switch {
-                       case accnt[aid].buy:
-                               var ret bool
-                               switch accnt[aid].taxval {
-                               case 19:
-                                       ret=check_buy(&data.Trn[tc],aid_vst_n)
-                               case 7:
-                                       ret=check_buy(&data.Trn[tc],aid_vst_s)
+               // check balance ...
+               check_balance(&data.Trn[tc],accnt,sel_date)
+       }
+
+       // tax report
+       fmt.Println("Umsatzsteuervoranmeldung (19% | 7%):")
+       fmt.Println("------------------------------------")
+       fmt.Println("Aufwendungen:",tax_report.Expenses[0],
+                                   tax_report.Expenses[1]);
+       fmt.Println("ohne Ausn.  :",tax_report.Expenses[0]-
+                                   tax_report.ExpExc[0],
+                                   tax_report.Expenses[1]-
+                                   tax_report.ExpExc[1]);
+       fmt.Println("gesch. Vst. :",int((tax_report.Expenses[0]*19)/100.0),
+                                   int((tax_report.Expenses[1]*7)/100.0))
+       fmt.Println("ohne Ausn.  :",int(((tax_report.Expenses[0]-
+                                        tax_report.ExpExc[0])*19)/100.0),
+                                   int(((tax_report.Expenses[1]-
+                                        tax_report.ExpExc[1])*7)/100.0))
+       fmt.Println("Vorsteuer   :",tax_report.InputTax[0],
+                                   tax_report.InputTax[1],
+                   "->",tax_report.InputTax[0]+tax_report.InputTax[1]);
+       fmt.Println("------------------------------------")
+       fmt.Println("Einnahmen   :",-tax_report.Receipts[0],
+                                   -tax_report.Receipts[1]);
+       fmt.Println("gesch. Ust. :",int((-tax_report.Receipts[0]*19)/100.0),
+                                   int((-tax_report.Receipts[1]*7)/100.0));
+       fmt.Println("Umsatzsteuer:",-tax_report.SalesTax[0],
+                                   -tax_report.SalesTax[1]);
+       fmt.Println("------------------------------------")
+
+}
+
+func check_balance(ta *Transaction,accnt map[string]amap,sel_date string) bool {
+
+       // check date
+       tdate := strings.Fields(ta.Date)[0]
+       if !strings.Contains(tdate,sel_date) {
+               return true
+       } else {
+       }
+
+       // [taxval: 19=0 7=1][tax: no=0 yes=1][buy: no=0 yes=1]
+       var sum [2][2][2]int
+
+       for sc := range ta.Spl {
+               aid := ta.Spl[sc].AccountId
+               //accnt[aid].tax
+               for iac := range iaa {
+                       // taxval
+                       tv := int(0)
+                       if iaa[iac].taxval == 7 {
+                               tv = 1
+                       }
+                       // tax
+                       tax := int(0)
+                       if iaa[iac].tax {
+                               tax = 1
+                       }
+                       // buy
+                       buy := int(0)
+                       if iaa[iac].buy {
+                               buy = 1
+                       }
+                       // match! add to sum and break.
+                       match := bool(false)
+                       // check pids if ...
+                       if tax == 0 && buy == 1 {
+                               _, exists := accnt[aid]
+                               if exists {
+                                       // pids
+                                       if accnt[aid].pid == iaa[iac].id {
+                                               match = true
+                                       }
                                }
-                               anum := accnt[aid].num
-                               if ret == false {
-                                       fmt.Println("Problem:", data.Accnt[anum].Name)
+                       }
+                       // ... however, always check aids
+                       if aid == iaa[iac].id {
+                               match = true
+                       }
+                       if match {
+                               inc, _ := strconv.Atoi(strings.TrimSuffix(ta.Spl[sc].Value,"/100"))
+                               sum[tv][tax][buy] += inc
+                               break
+                       }
+               }
+       }
+
+       // check for exceptions
+       exc := false
+       for ec := range trn_exc {
+               if strings.Contains(ta.Description,trn_exc[ec]) {
+                       exc = true
+                       break
+               }
+       }
+       //for ac := range accountlist {
+       //      if strings.Contains(data.Accnt[anum].Name,accountlist[ac]){
+       //              return true
+       //      }
+       //}
+
+       // tax report
+       for tv := 0; tv<2; tv++ {
+               tax_report.Expenses[tv] += sum[tv][0][1]
+               tax_report.InputTax[tv] += sum[tv][1][1]
+               tax_report.Receipts[tv] += sum[tv][0][0]
+               tax_report.SalesTax[tv] += sum[tv][1][0]
+               if exc {
+                       tax_report.ExpExc[tv] += sum[tv][0][1]
+                       tax_report.ITExc[tv] += sum[tv][1][1]
+               }
+       }
+
+       // check
+       var expected [2]int
+       check := true
+       for buy := 0; buy < 2; buy++ {
+               expected[0]=int((sum[0][0][buy]*19)/100.0)
+               expected[1]=int((sum[1][0][buy]*7)/100.0)
+               for tv :=0; tv < 2; tv++ {
+                       if expected[tv] < sum[tv][1][buy]-1 ||
+                          expected[tv] > sum[tv][1][buy]+1 {
+                               var sb, st string
+                               if buy == 0 {
+                                       sb = "Umsatzsteuer"
+                               } else {
+                                       sb = "Vorsteuer"
+                               }
+                               if tv == 0 {
+                                       st = "19%"
+                               } else {
+                                       st = " 7%"
+                               }
+                               check = false
+                               fmt.Printf("%s %s: ",sb,st);
+                               fmt.Printf("Erwarte %d statt %d aus %d! ",
+                                          expected[tv],
+                                          sum[tv][1][buy],sum[tv][0][buy]);
+                               if(!exc) {
+                                       fmt.Printf("\n");
+                               } else {
+                                       fmt.Printf("Ausnahme greift!\n");
+                                       fmt.Printf("(%s)\n\n",ta.Description)
                                }
                        }
                }
        }
+       if !check && !exc {
+               fmt.Println("am",ta.Date)
+               fmt.Printf("(%s)\n",ta.Description)
+               fmt.Println("Beteiligte Konten:")
+               for ic := range ta.Spl {
+                       found := strings.TrimSuffix(ta.Spl[ic].Value,"/100")
+                       aid := ta.Spl[ic].AccountId
+                       _, exists := accnt[aid]
+                       if exists {
+                               num := accnt[aid].num
+                               fmt.Printf("  %s => %s\n",data.Accnt[num].Name,
+                                                         found)
+                       } else {
+                               fmt.Printf("  %s => %s\n",aid,found)
+                       }
+               }
+               fmt.Println("")
+       }
 
+       return check
 }
 
-func check_buy(ta *Transaction,id string) bool {
-       for  sc := range ta.Spl {
-               if ta.Spl[sc].AccountId == id {
-                       return true
-               }
+func round(v float64) int {
+       if v < 0.0 {
+               v -= 0.5
+       } else {
+               v += 0.5
        }
-       return false
+       return int(v)
 }