support ledger file append

config.go

@@ -11,6 +11,18 @@ import (
 	"strings"
 )
 
+type Uploader int
+
+const (
+	UploaderTodo = Uploader(iota)
+	UploaderLedger
+)
+
+var uploaders = map[string]Uploader{
+	"todo":   UploaderTodo,
+	"ledger": UploaderLedger,
+}
+
 type Config struct {
 	EmailUser string
 	EmailPass string
@@ -19,6 +31,7 @@ type Config struct {
 	TodoToken string
 	TodoList  string
 	TodoTag   string
+	Uploader  Uploader
 	Storage   storage.DB
 }
 
@@ -30,6 +43,9 @@ func NewConfig() Config {
 	as.Append(args.STRING, "emailuser", "email username", "breellocaldev@gmail.com")
 	as.Append(args.STRING, "emailpass", "email password", "ML3WQRFSqe9rQ8qNkm")
 	as.Append(args.STRING, "emailimap", "email imap", "imap.gmail.com:993")
+
+	as.Append(args.STRING, "uploader", "todo, ledger", "todo")
+
 	as.Append(args.STRING, "todoaddr", "todo addr", "https://todo-server.remote.blapointe.com")
 	as.Append(args.STRING, "todopass", "todo pass", "gJtEXbbLHLf54yS9EdujtVN2n6Y")
 	as.Append(args.STRING, "todotoken", "todo token", "")
@@ -46,14 +62,10 @@ func NewConfig() Config {
 		panic(err)
 	}
 
-	token := as.GetString("todotoken")
-	if len(token) == 0 {
-		token = getToken(as)
-	}
-
-	list := as.GetString("todolist")
-	if len(list) == 0 {
-		list = getList(as, token)
+	uploader := as.GetString("uploader")
+	ul, ok := uploaders[uploader]
+	if !ok {
+		panic("invalid uploader: " + uploader)
 	}
 
 	storage, err := storage.New(storage.TypeFromString(as.GetString("store")), as.GetString("storeaddr"), as.GetString("storeuser"), as.GetString("storepass"))
@@ -66,11 +78,25 @@ func NewConfig() Config {
 		EmailPass: as.GetString("emailpass"),
 		EmailIMAP: as.GetString("emailimap"),
 		TodoAddr:  as.GetString("todoaddr"),
-		TodoToken: token,
-		TodoList:  list,
 		TodoTag:   as.GetString("todotag"),
 		Storage:   storage,
+		Uploader:  ul,
 	}
+
+	if config.Uploader == UploaderTodo {
+		token := as.GetString("todotoken")
+		if len(token) == 0 {
+			token = getToken(as)
+		}
+
+		list := as.GetString("todolist")
+		if len(list) == 0 {
+			list = getList(as, token)
+		}
+		config.TodoToken = token
+		config.TodoList = list
+	}
+
 	return config
 }
 

upload.go

@@ -1,15 +1,31 @@
 package main
 
 import (
+	"errors"
 	"fmt"
 	"io/ioutil"
 	"local/oauth2"
+	"log"
 	"net/http"
 	"net/url"
+	"os"
+	"strconv"
 	"strings"
+	"time"
 )
 
 func Upload(config Config, transaction *Transaction) error {
+	switch config.Uploader {
+	case UploaderTodo:
+		return uploadTodo(config, transaction)
+	case UploaderLedger:
+		return uploadLedger(config, transaction)
+	default:
+		return errors.New("not impl: uploader")
+	}
+}
+
+func uploadTodo(config Config, transaction *Transaction) error {
 	params := url.Values{
 		"list":  {config.TodoList},
 		"title": {transaction.Format()},
@@ -32,3 +48,31 @@ func Upload(config Config, transaction *Transaction) error {
 	}
 	return nil
 }
+
+func uploadLedger(config Config, transaction *Transaction) error {
+	f, err := os.OpenFile(config.TodoAddr, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
+	if err != nil {
+		return err
+	}
+	defer f.Close()
+	amount, _ := strconv.ParseFloat(transaction.Amount, 32)
+	amount *= -1
+	remote := "Withdrawal:"
+	if amount > 0 {
+		remote = "Deposit:"
+	}
+	remote += strings.ReplaceAll(transaction.Account, " ", "")
+	fmt.Fprintf(f, "%-50s%-s\n", formatGMailDate(transaction.Date), transaction.Account)
+	fmt.Fprintf(f, "%-50s%-50s$%.2f\n", "", transaction.Bank, amount)
+	fmt.Fprintf(f, "%-50s%-s\n", "", remote)
+	return nil
+}
+
+func formatGMailDate(s string) string {
+	time, err := time.Parse("[Mon, 2 Jan 2006 15:04:05 -0700 (MST)]", s)
+	if err != nil {
+		log.Println(s, err)
+		return s
+	}
+	return time.Format("2006-01-02")
+}

upload_test.go

@@ -0,0 +1,71 @@
+package main
+
+import (
+	"io/ioutil"
+	"local/storage"
+	"path"
+	"testing"
+
+	"github.com/google/uuid"
+)
+
+func TestUploadLedger(t *testing.T) {
+	cases := map[string]struct {
+		transaction Transaction
+	}{
+		"simple": {
+			transaction: Transaction{
+				ID:      uuid.New().String(),
+				Bank:    Chase,
+				Amount:  "1.10",
+				Account: "account",
+				Date:    "today",
+			},
+		},
+	}
+
+	for name, d := range cases {
+		c := d
+		t.Run(name, func(t *testing.T) {
+			config := Config{
+				TodoAddr: path.Join(t.TempDir(), name),
+				Uploader: UploaderLedger,
+				Storage:  storage.NewMap(),
+			}
+			if err := uploadLedger(config, &c.transaction); err != nil {
+				t.Fatal(err)
+			}
+			b, err := ioutil.ReadFile(config.TodoAddr)
+			if err != nil {
+				t.Fatal(err)
+			}
+			t.Logf("\n%s", b)
+		})
+	}
+}
+
+func TestFormatGMailDate(t *testing.T) {
+	cases := map[string]struct {
+		input string
+		want  string
+	}{
+		"ok": {
+			input: "[Tue, 20 Jul 2021 23:46:00 -0400 (EDT)]",
+			want:  "2021-07-20",
+		},
+		"bad": {
+			input: "2021-07-20",
+			want:  "2021-07-20",
+		},
+	}
+
+	for name, d := range cases {
+		c := d
+		t.Run(name, func(t *testing.T) {
+			got := formatGMailDate(c.input)
+			if got != c.want {
+				t.Fatal(c.input, c.want, got)
+			}
+		})
+	}
+}