加入來源帳戶選項

auth/auth.go

@@ -13,6 +13,7 @@ import (
 )
 
 type AuthStore interface {
+	Get(user string) bool
 	Register(user, pass string) error
 	Login(user, pass string) (token string, err error)
 	Verify(token string) (session Session, err error)
@@ -39,6 +40,11 @@ func New(path string, hashKey []byte) (AuthStore, error) {
 	return s, err
 }
 
+func (s Htpasswd) Get(user string) bool {
+	_, ok := s.accounts[user]
+	return ok
+}
+
 func (s Htpasswd) Register(user, pass string) (err error) {
 	if _, ok := s.accounts[user]; ok {
 		return errors.New("user already exists")

config.go

@@ -1,7 +1,7 @@
 package main
 
-var SCRIPTS = map[string][]string{
-	"balance assets":     {"b", "assets", "-X", "$"},
-	"register":           {"r", "--tail", "10"},
-	"balance this month": {"b", "-b", "this month"},
+var SCRIPTS = map[string]string{
+	"balance assets":     "b assets -X $",
+	"register":           "r --tail 10",
+	"balance this month": "b -b \"this month\"",
 }

main.go

@@ -1,12 +1,11 @@
 package main
 
 import (
+	"encoding/base64"
 	"flag"
 	"log"
-	"net/http"
 	"text/template"
 
-	"github.com/gin-gonic/gin"
 	"github.com/gorilla/securecookie"
 	"github.com/lancatlin/ledger-quicknote/auth"
 )
@@ -14,123 +13,42 @@ import (
 var ledgerTpl *template.Template
 var htmlTpl *template.Template
 
-var LEDGER_FILE string
-var LEDGER_INIT string
-var WORKING_DIR string
+var DATA_DIR string
 var HOST string
 
 var store auth.AuthStore
 
 const HTPASSWD_FILE = ".htpasswd"
-
-type UserLogin struct {
-	Email    string `form:"email" binding:"required"`
-	Password string `form:"password" binding:"required"`
-}
+const DEFAULT_JOURNAL = "ledger.txt"
 
 func init() {
 	ledgerTpl = template.Must(template.ParseGlob("tx/*"))
-	flag.StringVar(&LEDGER_FILE, "f", "example.txt", "ledger journal file to write")
-	flag.StringVar(&LEDGER_INIT, "i", "", "ledger initiation file")
-	flag.StringVar(&WORKING_DIR, "w", "", "ledger working directory")
+	flag.StringVar(&DATA_DIR, "d", "data", "data folder")
 	flag.StringVar(&HOST, "b", "127.0.0.1:8000", "binding address")
-	var hashKey string
-	flag.StringVar(&hashKey, "s", "", "session secret")
+	var hashKeyString string
+	flag.StringVar(&hashKeyString, "s", "", "session secret")
 	flag.Parse()
 
-	if hashKey == "" {
-		hashKey = string(securecookie.GenerateRandomKey(32))
-		log.Printf("Generate random session key: %s", hashKey)
-	}
+	var hashKey []byte
 	var err error
-	store, err = auth.New(HTPASSWD_FILE, []byte(hashKey))
+
+	if hashKeyString == "" {
+		hashKey = securecookie.GenerateRandomKey(32)
+		log.Printf("Generate random session key: %s", base64.StdEncoding.EncodeToString(hashKey))
+	} else {
+		hashKey, err = base64.StdEncoding.DecodeString(hashKeyString)
+		if err != nil {
+			panic(err)
+		}
+	}
+	store, err = auth.New(HTPASSWD_FILE, hashKey)
 	if err != nil {
 		panic(err)
 	}
 }
 
 func main() {
-	r := gin.Default()
-	r.HTMLRender = loadTemplates("templates")
-
-	r.GET("/signup", func(c *gin.Context) {
-		c.HTML(200, "signup.html", nil)
-	})
-
-	r.GET("/signin", func(c *gin.Context) {
-		c.HTML(200, "signin.html", nil)
-	})
-
-	r.POST("/signup", signup)
-
-	r.POST("/signin", signin)
-
-	authZone := r.Group("", basicAuth)
-
-	authZone.GET("/dashboard", func(c *gin.Context) {
-		c.HTML(200, "index.html", struct {
-			Templates []*template.Template
-			Scripts   map[string][]string
-		}{
-			ledgerTpl.Templates(),
-			SCRIPTS,
-		})
-	})
-
-	authZone.POST("/new", func(c *gin.Context) {
-		var data TxData
-		if err := c.ShouldBind(&data); err != nil {
-			c.AbortWithError(400, err)
-			return
-		}
-		tx, err := newTx(data)
-		if err != nil {
-			c.AbortWithError(400, err)
-			log.Println(err, c.Request.Form)
-			return
-		}
-		c.HTML(200, "new.html", struct {
-			Tx string
-		}{tx})
-	})
-
-	authZone.POST("/submit", func(c *gin.Context) {
-		tx := c.PostForm("tx")
-		if err := appendToFile(tx); err != nil {
-			c.AbortWithError(500, err)
-			return
-		}
-
-		c.HTML(200, "success.html", struct {
-			Tx string
-		}{tx})
-	})
-
-	authZone.GET("/exec", func(c *gin.Context) {
-		name, _ := c.GetQuery("name")
-		if err := executeScript(c.Writer, name); err != nil {
-			c.AbortWithError(500, err)
-			log.Println(err)
-			return
-		}
-	})
+	r := router()
 
 	log.Fatal(r.Run(HOST))
 }
-
-func basicAuth(c *gin.Context) {
-	cookie, err := c.Cookie("session")
-	if err == http.ErrNoCookie {
-		c.Redirect(303, "/signin")
-		return
-	}
-	session, err := store.Verify(cookie)
-	if err != nil {
-		c.Redirect(303, "/signin")
-		return
-	}
-	c.Set("user", UserLogin{
-		Email: session.User,
-	})
-	c.Next()
-}

route.go

@@ -0,0 +1,123 @@
+package main
+
+import (
+	"io/ioutil"
+	"log"
+	"text/template"
+
+	"github.com/gin-gonic/gin"
+)
+
+func router() *gin.Engine {
+	r := gin.Default()
+	r.HTMLRender = loadTemplates("templates")
+
+	r.GET("/", func(c *gin.Context) {
+		HTML(c, 200, "index.html", nil)
+	})
+
+	r.GET("/signup", func(c *gin.Context) {
+		HTML(c, 200, "signup.html", nil)
+	})
+
+	r.GET("/signin", func(c *gin.Context) {
+		HTML(c, 200, "signin.html", nil)
+	})
+
+	r.POST("/signup", signup)
+
+	r.POST("/signin", signin)
+
+	authZone := r.Group("", authenticate)
+
+	authZone.GET("/dashboard", func(c *gin.Context) {
+		HTML(c, 200, "dashboard.html", struct {
+			Templates []*template.Template
+			Scripts   map[string]string
+		}{
+			ledgerTpl.Templates(),
+			SCRIPTS,
+		})
+	})
+
+	authZone.POST("/new", func(c *gin.Context) {
+		var data TxData
+		if err := c.ShouldBind(&data); err != nil {
+			c.AbortWithError(400, err)
+			return
+		}
+		tx, err := newTx(data)
+		if err != nil {
+			c.AbortWithError(400, err)
+			log.Println(err, c.Request.Form)
+			return
+		}
+		HTML(c, 200, "new.html", struct {
+			Tx string
+		}{tx})
+	})
+	authZone.POST("/submit", func(c *gin.Context) {
+		user := getUser(c)
+		tx := c.PostForm("tx")
+		if err := user.appendToFile(tx); err != nil {
+			c.AbortWithError(500, err)
+			return
+		}
+
+		HTML(c, 200, "success.html", struct {
+			Tx string
+		}{tx})
+	})
+
+	authZone.GET("/edit", func(c *gin.Context) {
+		user := getUser(c)
+		f, err := user.ReadFile(DEFAULT_JOURNAL)
+		if err != nil {
+			panic(err)
+		}
+		defer f.Close()
+		data, err := ioutil.ReadAll(f)
+		if err != nil {
+			panic(err)
+		}
+		HTML(c, 200, "edit.html", string(data))
+	})
+
+	authZone.POST("/edit", func(c *gin.Context) {
+		user := getUser(c)
+		data := c.PostForm("data")
+		err := user.overwriteFile(data)
+		if err != nil {
+			panic(err)
+		}
+		HTML(c, 200, "success.html", struct {
+			Tx string
+		}{data})
+	})
+
+	authZone.GET("/download", func(c *gin.Context) {
+		user := getUser(c)
+		c.FileAttachment(user.FilePath(DEFAULT_JOURNAL), DEFAULT_JOURNAL)
+	})
+
+	authZone.GET("/query", func(c *gin.Context) {
+		response := struct {
+			Query   string
+			Result  string
+			Scripts map[string]string
+		}{Scripts: SCRIPTS}
+		user := getUser(c)
+		var ok bool
+		var err error
+		response.Query, ok = c.GetQuery("query")
+		if ok && response.Query != "" {
+			response.Result, err = user.query(response.Query)
+			if err != nil {
+				panic(err)
+			}
+		}
+		HTML(c, 200, "query.html", response)
+	})
+
+	return r
+}

session.go

@@ -1,29 +1,54 @@
 package main
 
-import "github.com/gin-gonic/gin"
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+)
+
+func authenticate(c *gin.Context) {
+	cookie, err := c.Cookie("session")
+	if err == http.ErrNoCookie {
+		c.Redirect(303, "/signin")
+		return
+	}
+	session, err := store.Verify(cookie)
+	if err != nil {
+		c.Redirect(303, "/signin")
+		return
+	}
+	c.Set("user", User{
+		Email: session.User,
+	})
+	c.Next()
+}
+
+func getUser(c *gin.Context) User {
+	return c.MustGet("user").(User)
+}
 
 func signup(c *gin.Context) {
-	var user UserLogin
+	var user User
 	if err := c.ShouldBind(&user); err != nil {
-		c.HTML(400, "signup.html", err)
+		HTML(c, 400, "signup.html", err)
 		return
 	}
 	if err := store.Register(user.Email, user.Password); err != nil {
-		c.HTML(400, "signup.html", err)
+		HTML(c, 400, "signup.html", err)
 		return
 	}
 	signin(c)
 }
 
 func signin(c *gin.Context) {
-	var user UserLogin
+	var user User
 	if err := c.ShouldBind(&user); err != nil {
-		c.HTML(400, "signin.html", err)
+		HTML(c, 400, "signin.html", err)
 		return
 	}
 	token, err := store.Login(user.Email, user.Password)
 	if err != nil {
-		c.HTML(401, "signin.html", err)
+		HTML(c, 401, "signin.html", err)
 		return
 	}
 	c.SetCookie("session", token, 60*60*24*7, "", "", false, false)

template.go

@@ -5,6 +5,7 @@ import (
 	"path/filepath"
 
 	"github.com/gin-contrib/multitemplate"
+	"github.com/gin-gonic/gin"
 )
 
 func loadTemplates(templatesDir string) multitemplate.Renderer {
@@ -25,3 +26,21 @@ func loadTemplates(templatesDir string) multitemplate.Renderer {
 	}
 	return r
 }
+
+type Data interface{}
+
+type Page struct {
+	Data
+	User User
+}
+
+func HTML(c *gin.Context, status int, name string, data interface{}) {
+	output := Page{
+		Data: data,
+	}
+	_, ok := c.Get("user")
+	if ok {
+		output.User = c.MustGet("user").(User)
+	}
+	c.HTML(status, name, output)
+}

templates/dashboard.html

@@ -0,0 +1,16 @@
+{{ define "main" }}
+<h1>Ledger 速記</h1>
+<form action="/new" method="POST">
+    <label>選擇模板：
+        {{ range .Templates }}
+        <input type="radio" name="action" value="{{ .Name }}">{{ .Name }}</option>
+        {{ end }}
+    </label><br>
+    <label>金額：<input name="amount" type="number"></label><br>
+    <label>目的帳戶：<input name="dest" type="text"></label></br>
+    <label>來源帳戶：<input name="src" type="text"></label></br>
+    <label>名稱：<input name="name" type="text"></label></br>
+    <input type="submit" value="新增記錄">
+</form>
+{{ template "scripts" .Scripts }}
+{{ end }}

templates/edit.html

@@ -0,0 +1,8 @@
+{{ define "title" }}編輯{{ end }}
+{{ define "main" }}
+<h1>編輯帳本</h1>
+<form action="/edit" method="POST">
+    <textarea name="data" rows="15" cols="40">{{ . }}</textarea><br>
+    <input type="submit" value="儲存">
+</form>
+{{ end }}

templates/index.html

@@ -1,20 +1,3 @@
 {{ define "main" }}
-<h1>Ledger Quick Note</h1>
-<form action="/new" method="POST">
-    <label>Action: 
-        {{ range .Templates }}
-        <input type="radio" name="action" value="{{ .Name }}">{{ .Name }}</option>
-        {{ end }}
-    </label><br>
-    <label>Amount: <input name="amount" type="number"></label><br>
-    <label>Account: <input name="account" type="text"></label></br>
-    <label>Tx Name: <input name="name" type="text"></label></br>
-    <input type="submit">
-</form>
-<h2>Scripts</h2>
-<ul>
-    {{ range $k, $v := .Scripts }}
-    <li><a href="/exec?name={{ $k }}">{{ $k }}</a></li>
-    {{ end }}
-</ul>
+<h1>Ledger 速記</h1>
 {{ end }}

templates/layouts/base.html

@@ -1,11 +1,21 @@
 <!DOCTYPE html>
 <html>
     <head>
-        <title>{{ block "title" . }}Ledger Quick Note{{ end }}</title>
+        <title>{{ block "title" . }}Ledger 速記{{ end }}</title>
         <meta name="viewport" content="width=device-width, initial-scale=1.0">
     </head>
     <body>
-        {{ block "main" . }}
+        <nav>
+            <ul>
+            {{ with .User }}
+                {{ .Email }}
+                <li><a href="dashboard">儀表板</a></li>
+                <li><a href="edit">編輯</a></li>
+                <li><a href="download">下載</a></li>
+                <li><a href="query">查詢</a></li>
+            {{ end }}
+        </nav>
+        {{ block "main" .Data }}
 
         {{ end }}
     </body>

templates/layouts/scripts.html

@@ -0,0 +1,8 @@
+{{ define "scripts" }}
+<h3>快速查詢</h3>
+<ul>
+    {{ range $k, $v := . }}
+    <li><a href="/query?query={{ urlquery $v }}">{{ $k }}</a></li>
+    {{ end }}
+</ul>
+{{ end }}

templates/query.html

@@ -0,0 +1,12 @@
+{{ define "title" }}查詢{{ end }}
+{{ define "main" }}
+<h1>查詢</h1>
+{{ with .Result }}
+<pre><code>{{ . }}</code></pre>
+{{ end }}
+<form action="/query" method="GET">
+    <input type="text" name="query" value="{{ .Query }}" autofocus>
+    <input type="submit" value="查詢">
+</form>
+{{ template "scripts" .Scripts }}
+{{ end }}

templates/signin.html

@@ -1,10 +1,11 @@
-{{ define "title" }}Sign Up{{ end }}
+{{ define "title" }}登入{{ end }}
 {{ define "main" }}
-<h1>Sign In</h1>
+<h1>登入</h1>
 <form action="/signin" method="POST">
     <label>Email: <input type="text" name="email"></label><br>
     <label>Password: <input type="password" name="password"></label><br>
     {{ with .Error }}<p class="error">{{ . }}</p>{{ end }}
-    <input type="submit" value="Sign Up">
+    <input type="submit" value="登入">
 </form>
+<a href="signup">沒有帳號嗎？註冊</a>
 {{ end }}

templates/signup.html

@@ -1,10 +1,11 @@
-{{ define "title" }}Sign Up{{ end }}
+{{ define "title" }}註冊{{ end }}
 {{ define "main" }}
-<h1>Sign Up</h1>
+<h1>註冊</h1>
 <form action="/signup" method="POST">
     <label>Email: <input type="text" name="email"></label><br>
     <label>Password: <input type="password" name="password"></label><br>
     {{ with .Error }}<p class="error">{{ . }}</p>{{ end }}
-    <input type="submit" value="Sign Up">
+    <input type="submit" value="註冊">
 </form>
+<a href="signin">已有帳號嗎？登入</a>
 {{ end }}

templates/success.html

@@ -2,5 +2,5 @@
 {{ define "main" }}
 <p><strong>Success</strong></p>
 <pre><code>{{ .Tx }}</code></pre>
-<p><a href="/">Back to home</a></p>
+<p><a href="/dashboard">Back to home</a></p>
 {{ end }}

tx.go

@@ -2,20 +2,19 @@ package main
 
 import (
 	"bytes"
-	"fmt"
 	"io"
-	"os"
 	"os/exec"
 	"strings"
 	"time"
 )
 
 type TxData struct {
-	Action  string `form:"action" binding:"required"`
-	Name    string `form:"name"`
-	Date    string
-	Amount  string `form:"amount" binding:"required"`
-	Account string `form:"account"`
+	Action      string `form:"action" binding:"required"`
+	Name        string `form:"name"`
+	Date        string
+	Amount      string `form:"amount" binding:"required"`
+	Destination string `form:"dest"`
+	Source      string `form:"src"`
 }
 
 func newTx(data TxData) (result string, err error) {
@@ -25,8 +24,8 @@ func newTx(data TxData) (result string, err error) {
 	return buf.String(), nil
 }
 
-func appendToFile(tx string) (err error) {
-	f, err := os.OpenFile(LEDGER_FILE, os.O_WRONLY|os.O_CREATE|os.O_APPEND, 0644)
+func (u *User) appendToFile(tx string) (err error) {
+	f, err := u.AppendFile(DEFAULT_JOURNAL)
 	if err != nil {
 		return err
 	}
@@ -37,14 +36,26 @@ func appendToFile(tx string) (err error) {
 	return err
 }
 
-func executeScript(w io.Writer, name string) (err error) {
-	script, ok := SCRIPTS[name]
-	if !ok {
-		return fmt.Errorf("%s script not found", name)
+func (u *User) overwriteFile(tx string) (err error) {
+	f, err := u.WriteFile(DEFAULT_JOURNAL)
+	if err != nil {
+		return err
 	}
-	cmd := exec.Command("ledger", append([]string{"--init-file", LEDGER_INIT, "--file", LEDGER_FILE}, script...)...)
-	cmd.Dir = WORKING_DIR
-	cmd.Stdout = w
-	cmd.Stderr = w
-	return cmd.Run()
+	defer f.Close()
+
+	buf := strings.NewReader(strings.ReplaceAll(tx, "\r", "")) // Remove CR generated from browser
+	_, err = io.Copy(f, buf)
+	return err
+}
+
+func (u *User) query(query string) (result string, err error) {
+	var buf bytes.Buffer
+
+	cmd := exec.Command("ledger", "--file", DEFAULT_JOURNAL)
+	cmd.Dir = u.Dir()
+	cmd.Stdin = strings.NewReader(query)
+	cmd.Stdout = &buf
+	cmd.Stderr = &buf
+	err = cmd.Run()
+	return buf.String(), err
 }

tx/expense.txt

@@ -1,4 +1,4 @@
-{{ .Date }} {{ with .Name }}{{ . }}{{ else }}{{ .Account }}{{ end }}
-    {{ .Account }}      ${{ .Amount }}
-    cash
+{{ .Date }} {{ with .Name }}{{ . }}{{ else }}{{ .Destination }}{{ end }}
+    {{ .Destination }}      ${{ .Amount }}
+    {{ with .Source }}{{ . }}{{ else }}cash{{ end }}
 

user.go

@@ -0,0 +1,40 @@
+package main
+
+import (
+	"os"
+	"path"
+)
+
+type User struct {
+	IsLogin  bool
+	Email    string `form:"email" binding:"required"`
+	Password string `form:"password" binding:"required"`
+}
+
+func (u *User) Dir() string {
+	dir := path.Join(DATA_DIR, u.Email)
+	if err := os.MkdirAll(dir, 0755); err != nil {
+		panic(err)
+	}
+	return dir
+}
+
+func (u *User) FilePath(name string) string {
+	return path.Join(u.Dir(), name)
+}
+
+func (u *User) File(name string, mode int) (*os.File, error) {
+	return os.OpenFile(u.FilePath(name), mode, 0644)
+}
+
+func (u *User) AppendFile(name string) (*os.File, error) {
+	return u.File(name, os.O_WRONLY|os.O_CREATE|os.O_APPEND)
+}
+
+func (u *User) ReadFile(name string) (*os.File, error) {
+	return u.File(name, os.O_RDONLY|os.O_CREATE)
+}
+
+func (u *User) WriteFile(name string) (*os.File, error) {
+	return u.File(name, os.O_WRONLY|os.O_CREATE|os.O_TRUNC)
+}