From 349b66cb520a032fbacb9577ef85dd7e792cceb5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ren=C3=A9=20=27Necoro=27=20Neumann?= <necoro@necoro.eu>
Date: Tue, 25 Jan 2022 00:14:41 +0100
Subject: Slight restructuring

---
 input.go | 89 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 main.go  | 88 +++------------------------------------------------------------
 2 files changed, 93 insertions(+), 84 deletions(-)
 create mode 100644 input.go

diff --git a/input.go b/input.go
new file mode 100644
index 0000000..206d99f
--- /dev/null
+++ b/input.go
@@ -0,0 +1,89 @@
+package main
+
+import (
+	"encoding/csv"
+	"fmt"
+	"os"
+	"strings"
+
+	"github.com/jszwec/csvutil"
+)
+
+type Participant struct {
+	LastName    string `csv:"lastname"`
+	FirstName   string `csv:"firstname"`
+	DateOfBirth string `csv:"dateofbirth"`
+	Gender      Gender `csv:"gender"`
+	Nation      string `csv:"nation"`
+	Region      string `csv:"region"`
+	ClubStr     string `csv:"club"`
+	Id          uint   `csv:"-"`
+	ClubId      uint   `csv:"-"`
+}
+
+type Club struct {
+	Name string
+	Id   uint
+}
+
+func (p Participant) MainClub() string {
+	if strings.Contains(p.ClubStr, ", ") {
+		return strings.Split(p.ClubStr, ", ")[0]
+	}
+	return p.ClubStr
+}
+
+func parseOphardtInput(fileName string) ([]Participant, []Club, error) {
+	f, err := os.Open(fileName)
+	if err != nil {
+		return nil, nil, fmt.Errorf("opening input file '%s': %w", fileName, err)
+	}
+
+	encReader, err := encodedReader(f)
+	if err != nil {
+		return nil, nil, fmt.Errorf("cannot determine encoding of file '%s': %w", fileName, err)
+	}
+
+	csvReader := csv.NewReader(encReader)
+	csvReader.Comma = ';'
+
+	dec, err := csvutil.NewDecoder(csvReader)
+	if err != nil {
+		return nil, nil, fmt.Errorf("reading from file '%s': %w", fileName, err)
+	}
+	dec.DisallowMissingColumns = true
+
+	var participants []Participant
+	if err = dec.Decode(&participants); err != nil {
+		return nil, nil, fmt.Errorf("decoding file '%s': %w", fileName, err)
+	}
+
+	clubs := prepareParticipants(participants)
+	return participants, clubs, nil
+}
+
+func prepareParticipants(participants []Participant) []Club {
+	clubMap := map[string]uint{}
+	var clubs []Club
+	var clubId, participantId uint
+
+	for i := range participants {
+		participantId++
+
+		p := &participants[i]
+		p.Id = participantId
+
+		club := p.MainClub()
+		if cId, ok := clubMap[club]; ok {
+			p.ClubId = cId
+		} else {
+			clubId++
+
+			p.ClubId = clubId
+			clubMap[club] = clubId
+			clubs = append(clubs, Club{club, clubId})
+		}
+	}
+
+	return clubs
+}
diff --git a/main.go b/main.go
index d8adf3a..15833cd 100644
--- a/main.go
+++ b/main.go
@@ -1,97 +1,13 @@
 package main
 
 import (
-	"encoding/csv"
 	"errors"
 	"fmt"
 	"log"
 	"os"
-	"strings"
 	"time"
-
-	"github.com/jszwec/csvutil"
 )
 
-type Participant struct {
-	LastName    string `csv:"lastname"`
-	FirstName   string `csv:"firstname"`
-	DateOfBirth string `csv:"dateofbirth"`
-	Gender      Gender `csv:"gender"`
-	Nation      string `csv:"nation"`
-	Region      string `csv:"region"`
-	ClubStr     string `csv:"club"`
-	Id          uint   `csv:"-"`
-	ClubId      uint   `csv:"-"`
-}
-
-type Club struct {
-	Name string
-	Id   uint
-}
-
-func prepareParticipants(participants []Participant) []Club {
-	clubMap := map[string]uint{}
-	var clubs []Club
-	var clubId, participantId uint
-
-	for i := range participants {
-		p := &participants[i]
-		participantId++
-
-		p.Id = participantId
-
-		pClub := p.ClubStr
-		if strings.Contains(pClub, ", ") {
-			pClub = strings.Split(pClub, ", ")[0]
-		}
-
-		if cId, ok := clubMap[pClub]; ok {
-			p.ClubId = cId
-		} else {
-			clubId++
-
-			p.ClubId = clubId
-			clubMap[pClub] = clubId
-			clubs = append(clubs, Club{pClub, clubId})
-		}
-	}
-
-	return clubs
-}
-
-func parseOphardtInput(fileName string) ([]Participant, []Club, error) {
-	f, err := os.Open(fileName)
-	if err != nil {
-		return nil, nil, fmt.Errorf("opening input file '%s': %w", fileName, err)
-	}
-
-	encReader, err := encodedReader(f)
-	if err != nil {
-		return nil, nil, fmt.Errorf("cannot determine encoding of file '%s': %w", fileName, err)
-	}
-
-	csvReader := csv.NewReader(encReader)
-	csvReader.Comma = ';'
-
-	dec, err := csvutil.NewDecoder(csvReader)
-	if err != nil {
-		return nil, nil, fmt.Errorf("reading from file '%s': %w", fileName, err)
-	}
-	dec.DisallowMissingColumns = true
-
-	var participants []Participant
-	if err = dec.Decode(&participants); err != nil {
-		return nil, nil, fmt.Errorf("decoding file '%s': %w", fileName, err)
-	}
-
-	clubs := prepareParticipants(participants)
-	return participants, clubs, nil
-}
-
-func usage() string {
-	return fmt.Sprintf("Usage: %s <input csv> <output dir> <name> <M/F> <S/V> <D/F/S> <dd.mm.yyyy>", os.Args[0])
-}
-
 type EngardeConfig struct {
 	inputFile    string
 	outputDir    string
@@ -105,6 +21,10 @@ type EngardeConfig struct {
 	Clubs        []Club
 }
 
+func usage() string {
+	return fmt.Sprintf("Usage: %s <input csv> <output dir> <name> <M/F> <S/V> <D/F/S> <dd.mm.yyyy>", os.Args[0])
+}
+
 func parseArgs() (config EngardeConfig, err error) {
 	config.inputFile = os.Args[1]
 	config.outputDir = os.Args[2]
-- 
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