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distinguish unset/empty in form values

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This commit is contained in:
Michael Stapelberg
2020-06-26 00:08:36 +02:00
parent 2499de5ffe
commit 2bbb48bbd7
1 changed files with 23 additions and 17 deletions
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40
cmd/qrbill-api/api.go
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@@ -20,25 +20,25 @@ import (
_ "net/http/pprof" _ "net/http/pprof"
) )
func ifEmpty(s, alternative string) string { func ifEmpty(form url.Values, key, alternative string) string {
if s == "" { if len(form[key]) == 0 {
return alternative return alternative
} }
return s return form[key][0]
} }
func qrchFromRequest(r *http.Request) *qrbill.QRCH { func qrchFromRequest(r *http.Request) *qrbill.QRCH {
return &qrbill.QRCH{ return &qrbill.QRCH{
CdtrInf: qrbill.QRCHCdtrInf{ CdtrInf: qrbill.QRCHCdtrInf{
IBAN: ifEmpty(r.FormValue("criban"), "CH0209000000870913543"), IBAN: ifEmpty(r.Form, "criban", "CH0209000000870913543"),
Cdtr: qrbill.Address{ Cdtr: qrbill.Address{
AdrTp: qrbill.AddressTypeCombined, AdrTp: qrbill.AddressTypeCombined,
Name: ifEmpty(r.FormValue("crname"), "Legalize it!"), Name: ifEmpty(r.Form, "crname", "Legalize it!"),
StrtNmOrAdrLine1: ifEmpty(r.FormValue("craddr1"), "Quellenstrasse 25"), StrtNmOrAdrLine1: ifEmpty(r.Form, "craddr1", "Quellenstrasse 25"),
BldgNbOrAdrLine2: ifEmpty(r.FormValue("craddr2"), "8005 Zürich"), BldgNbOrAdrLine2: ifEmpty(r.Form, "craddr2", "8005 Zürich"),
PstCd: ifEmpty(r.FormValue("crpost"), ""), PstCd: ifEmpty(r.Form, "crpost", ""),
TwnNm: ifEmpty(r.FormValue("crcity"), ""), TwnNm: ifEmpty(r.Form, "crcity", ""),
Ctry: ifEmpty(r.FormValue("crcountry"), "CH"), Ctry: ifEmpty(r.Form, "crcountry", "CH"),
}, },
}, },
CcyAmt: qrbill.QRCHCcyAmt{ CcyAmt: qrbill.QRCHCcyAmt{
@@ -47,18 +47,18 @@ func qrchFromRequest(r *http.Request) *qrbill.QRCH {
}, },
UltmtDbtr: qrbill.Address{ UltmtDbtr: qrbill.Address{
AdrTp: qrbill.AddressTypeCombined, AdrTp: qrbill.AddressTypeCombined,
Name: ifEmpty(r.FormValue("udname"), "Michael Stapelberg"), Name: ifEmpty(r.Form, "udname", "Michael Stapelberg"),
StrtNmOrAdrLine1: ifEmpty(r.FormValue("udaddr1"), "Stauffacherstr 42"), StrtNmOrAdrLine1: ifEmpty(r.Form, "udaddr1", "Stauffacherstr 42"),
BldgNbOrAdrLine2: ifEmpty(r.FormValue("udaddr2"), "8004 Zürich"), BldgNbOrAdrLine2: ifEmpty(r.Form, "udaddr2", "8004 Zürich"),
PstCd: ifEmpty(r.FormValue("udpost"), ""), PstCd: ifEmpty(r.Form, "udpost", ""),
TwnNm: ifEmpty(r.FormValue("udcity"), ""), TwnNm: ifEmpty(r.Form, "udcity", ""),
Ctry: ifEmpty(r.FormValue("udcountry"), "CH"), Ctry: ifEmpty(r.Form, "udcountry", "CH"),
}, },
RmtInf: qrbill.QRCHRmtInf{ RmtInf: qrbill.QRCHRmtInf{
Tp: "NON", // Reference type Tp: "NON", // Reference type
Ref: "", // Reference Ref: "", // Reference
AddInf: qrbill.QRCHRmtInfAddInf{ AddInf: qrbill.QRCHRmtInfAddInf{
Ustrd: ifEmpty(r.FormValue("message"), "Spende 420"), Ustrd: ifEmpty(r.Form, "message", "Spende 420"),
}, },
}, },
} }
@@ -98,6 +98,12 @@ func logic() error {
return return
} }
if err := r.ParseForm(); err != nil {
log.Printf("%s %s", prefix, err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
qrch := qrchFromRequest(r) qrch := qrchFromRequest(r)
bill, err := qrch.Encode() bill, err := qrch.Encode()