mt940 support

README.md

@@ -5,12 +5,12 @@
 [![Mentioned in Awesome Go](https://awesome.re/mentioned-badge.svg)](https://github.com/avelino/awesome-go#text-processing) 
 [![GitHub tag (latest by date)](https://img.shields.io/github/v/tag/mmalcek/bafi?label=latest%20release)](https://github.com/mmalcek/bafi/releases/latest)
 
-# Universal JSON, BSON, YAML, CSV, XML translator to ANY format using templates
+# Universal JSON, BSON, YAML, CSV, XML, mt940 translator to ANY format using templates
 
 <img src="./docs/img/scheme.svg" style="border: 0;" height="150px" />
 
 ## Key features
-- Various input formats **(json, bson, yaml, csv, xml)**
+- Various input formats **(json, bson, yaml, csv, xml, mt940)**
 - Flexible output formatting using text templates
 - Support for [Lua](https://www.lua.org/pil/contents.html) custom functions which allows very flexible data manipulation
 - stdin/stdout support which allows get data from source -> translate -> delivery to destination. This allows easily translate data between different web services like **REST to SOAP, SOAP to REST, REST to CSV, ...**

docs/README.md

@@ -1,5 +1,5 @@
 # BaFi
-**Universal JSON, BSON, YAML, CSV, XML translator to ANY format using templates**
+**Universal JSON, BSON, YAML, CSV, XML, mt940 translator to ANY format using templates**
 
 **Github repository**
 - [https://github.com/mmalcek/bafi](https://github.com/mmalcek/bafi)
@@ -8,7 +8,7 @@
 - [https://github.com/mmalcek/bafi/releases](https://github.com/mmalcek/bafi/releases)
 
 ## Key features
-- Various input formats **(json, bson, yaml, csv, xml)**
+- Various input formats **(json, bson, yaml, csv, xml, mt940)**
 - Flexible output formatting using text templates
 - Support for [Lua](https://www.lua.org/pil/contents.html) custom functions which allows very flexible data manipulation
 - stdin/stdout support which allows get data from source -> translate -> delivery to destination. This allows easily translate data between different web services like **REST to SOAP, SOAP to REST, REST to CSV, ...**
@@ -149,7 +149,7 @@ Hello {{upper .user.name}},
 - **-t template.tmpl** Template file. Alternatively you can use *inline* template 
     - inline template must start with **?** e.g. -t **"?{{.someValue}}"**
 - **-f json** Input format. 
-    - Supported formats: **json, bson, yaml, csv, xml**
+    - Supported formats: **json, bson, yaml, csv, xml, mt940**
     - If not defined (for file input) app tries detect input format automatically by file extension
 - **-d ','** Data delimiter (for CSV files only) 
     - Can be defined as string e.g. -d ',' or as [hex](https://www.asciitable.com/asciifull.gif) value prefixed by **0x** e.g. 'TAB' can be defined as -f 0x09.

docs/examples.md

@@ -150,6 +150,24 @@ Name: {{.name}}, Surname: {{.surname}}
 ```
 note: CSV file must be **[RFC4180](https://datatracker.ietf.org/doc/html/rfc4180)** compliant, file must have header line and separator must be **comma ( , )**. Or you can use command line argument -d ( e.g. **-d ';'** or **-d 0x09** ) to define separator(delimiter).
 
+### mt940 to CSV
+- mt940 returns simple struct (Header,Fields,[]Transactions) of strings and additional parsing needs to be done in template. This allows full flexibility on data processing
+- if parameter -d (delimiter -d "$") is defined for files with multiple messages (e.g. - Multicash), app returns array of mt940 messages
+
+- command
+```sh
+bafi.exe -i message.sta -t myTemplate.tmpl -o output.csv
+```
+- myTemplate.tmpl
+```
+Reference, balance, VS 
+{{- $F20 := .Fields.F_20 }}{{ $F60F := .Fields.F_60F }}
+{{range .Transactions }} 
+{{- $vsS := add (indexOf .F_86 "?21") 3 }} {{- $vsE := add $vsS 17 -}}
+{{- $F20}}, {{$F60F}}, {{slice .F_86 $vsS $vsE}}
+{{ end }}
+```
+
 ### Any SQL to XML
 Bafi can be used in combination with very interesting tool **USQL** [https://github.com/xo/usql](https://github.com/xo/usql). USQL allows query almost any SQL like database (MSSQL,MySQL,postgres, ...) and get result in various formats. In this example we use -J for JSON. Output can be further processed by BaFi and templates
 

go.mod

@@ -3,14 +3,14 @@ module github.com/mmalcek/bafi
 go 1.21
 
 require (
-	github.com/clbanning/mxj/v2 v2.5.5
-	github.com/google/uuid v1.3.0
-	github.com/mmalcek/mt940 v0.0.5
+	github.com/clbanning/mxj/v2 v2.7.0
+	github.com/google/uuid v1.5.0
+	github.com/mmalcek/mt940 v0.1.0
 	github.com/shopspring/decimal v1.3.1
-	github.com/spf13/cast v1.4.1
-	github.com/yuin/gopher-lua v0.0.0-20210529063254-f4c35e4016d9
-	go.mongodb.org/mongo-driver v1.8.4
-	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b
+	github.com/spf13/cast v1.6.0
+	github.com/yuin/gopher-lua v1.1.1
+	go.mongodb.org/mongo-driver v1.13.1
+	gopkg.in/yaml.v3 v3.0.1
 )
 
 require github.com/go-stack/stack v1.8.1 // indirect

go.sum

@@ -3,6 +3,8 @@ github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5P
 github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
 github.com/clbanning/mxj/v2 v2.5.5 h1:oT81vUeEiQQ/DcHbzSytRngP6Ky9O+L+0Bw0zSJag9E=
 github.com/clbanning/mxj/v2 v2.5.5/go.mod h1:hNiWqW14h+kc+MdF9C6/YoRfjEJoR3ou6tn/Qo+ve2s=
+github.com/clbanning/mxj/v2 v2.7.0 h1:WA/La7UGCanFe5NpHF0Q3DNtnCsVoxbPKuyBNHWRyME=
+github.com/clbanning/mxj/v2 v2.7.0/go.mod h1:hNiWqW14h+kc+MdF9C6/YoRfjEJoR3ou6tn/Qo+ve2s=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@@ -14,14 +16,20 @@ github.com/google/go-cmp v0.5.2 h1:X2ev0eStA3AbceY54o37/0PQ/UWqKEiiO2dKL5OPaFM=
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+github.com/google/uuid v1.5.0 h1:1p67kYwdtXjb0gL0BPiP1Av9wiZPo5A8z2cWkTZ+eyU=
+github.com/google/uuid v1.5.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/klauspost/compress v1.13.6/go.mod h1:/3/Vjq9QcHkK5uEr5lBEmyoZ1iFhe47etQ6QUkpK6sk=
 github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
+github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
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 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
+github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
 github.com/mmalcek/mt940 v0.0.5 h1:onQ8wTDz9xS9z9+mX1HCW0RYjjYbvYscgUaQ2oDvT/M=
 github.com/mmalcek/mt940 v0.0.5/go.mod h1:IzQU3xpykKw6QEHn0i75Xxds7eapEEmwYn5L4B28ZZ8=
+github.com/mmalcek/mt940 v0.1.0 h1:MkjAGV1u2A6pa4z12YN1UdLCrhhNUpKRTrF/p5HVfdc=
+github.com/mmalcek/mt940 v0.1.0/go.mod h1:IzQU3xpykKw6QEHn0i75Xxds7eapEEmwYn5L4B28ZZ8=
 github.com/montanaflynn/stats v0.0.0-20171201202039-1bf9dbcd8cbe/go.mod h1:wL8QJuTMNUDYhXwkmfOly8iTdp5TEcJFWZD2D7SIkUc=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
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@@ -30,6 +38,8 @@ github.com/shopspring/decimal v1.3.1 h1:2Usl1nmF/WZucqkFZhnfFYxxxu8LG21F6nPQBE5g
 github.com/shopspring/decimal v1.3.1/go.mod h1:DKyhrW/HYNuLGql+MJL6WCR6knT2jwCFRcu2hWCYk4o=
 github.com/spf13/cast v1.4.1 h1:s0hze+J0196ZfEMTs80N7UlFt0BDuQ7Q+JDnHiMWKdA=
 github.com/spf13/cast v1.4.1/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkUJE=
+github.com/spf13/cast v1.6.0 h1:GEiTHELF+vaR5dhz3VqZfFSzZjYbgeKDpBxQVS4GYJ0=
+github.com/spf13/cast v1.6.0/go.mod h1:ancEpBxwJDODSW/UG4rDrAqiKolqNNh2DX3mk86cAdo=
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 github.com/stretchr/testify v1.6.1 h1:hDPOHmpOpP40lSULcqw7IrRb/u7w6RpDC9399XyoNd0=
@@ -38,30 +48,62 @@ github.com/tidwall/pretty v1.0.0 h1:HsD+QiTn7sK6flMKIvNmpqz1qrpP3Ps6jOKIKMooyg4=
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+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

main.go

@@ -248,11 +248,11 @@ func mapInputData(data []byte, params tParams) (interface{}, error) {
 		}
 		return mapData, nil
 	case "mt940":
-		mapData, err := mt940.Parse(data)
-		if err != nil {
-			return nil, fmt.Errorf("mapMT940: %s", err.Error())
+		if *params.inputDelimiter == "" {
+			return mt940.Parse(data)
+		} else {
+			return mt940.ParseMultimessage(data, "\r\n"+*params.inputDelimiter+"\r\n")
 		}
-		return mapData, nil
 	default:
 		return nil, fmt.Errorf("unknown input format: use parameter -f to define input format e.g. -f json (accepted values are json, bson, yaml, csv, xml)")
 	}