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Arif Herusetyo Wicaksono 2019-11-05 23:23:54 +09:00
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Apache License
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README.md Normal file
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# Budgl
Your budget at a glance, family expenses tracker with automatic reporting.

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budgl.go Normal file
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package main
import (
"encoding/json"
"fmt"
"io/ioutil"
"net/http"
"git.wicak.co/arif/budgl/controllers"
"git.wicak.co/arif/budgl/models"
)
type Configuration struct {
HTTPHost string
HTTPPort string
SqlDatabase string
SqlUser string
SqlPassword string
SqlHost string
SqlPort string
}
func main() {
var err error
conf, err := ioutil.ReadFile("config/config.json")
if err != nil {
panic(err)
}
var Config Configuration
err = json.Unmarshal(conf, &Config)
if err != nil {
panic(err)
}
dbconn := fmt.Sprintf("dbname=%s user=%s password=%s host=%s port=%s sslmode=disable", Config.SqlDatabase, Config.SqlUser, Config.SqlPassword, Config.SqlHost, Config.SqlPort)
err = models.InitDB(dbconn)
if err != nil {
panic(err)
}
fs := http.FileServer(http.Dir("static"))
http.Handle("/static/", http.StripPrefix("/static/", fs))
http.HandleFunc("/", controllers.Index)
http.HandleFunc("/expenses", controllers.Expenses)
srvinfo := fmt.Sprintf("%s:%s", Config.HTTPHost, Config.HTTPPort)
http.ListenAndServe(srvinfo, nil)
}

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{
"HTTPHost":"10.0.0.1",
"HTTPPort":"80",
"SqlDatabase":"dbname",
"SqlUser":"dbuser",
"SqlPassword":"dbpassword",
"SqlHost":"10.0.0.2",
"SqlPort":"5432"
}

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package controllers
import (
"fmt"
"log"
"net/http"
"strconv"
"git.wicak.co/arif/budgl/models"
)
func Expenses(w http.ResponseWriter, r *http.Request) {
if r.Method == "POST" {
err := r.ParseForm()
if err != nil {
panic(err)
http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
}
err = models.AddExpense(r.PostFormValue("desc"), r.PostFormValue("date"), r.PostFormValue("cat"), r.PostFormValue("payer"), r.PostFormValue("value"))
if err != nil {
panic(err)
http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
}
r.Method = "GET"
http.Redirect(w, r, "/", http.StatusFound)
} else {
query := r.URL.Query()
for key, val := range query {
fmt.Println("key: ", key)
fmt.Println("val: ", val)
}
expid := query.Get("delete-id")
if expid != "" {
expidint, err := strconv.Atoi(expid)
if err != nil {
log.Panic("Unable to convert expense information")
log.Panic(err)
http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
}
err = models.DeleteExpense(expidint)
if err != nil {
log.Panic("Unable to delete the requested expense")
log.Panic(err)
http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
}
}
http.Redirect(w, r, "/", http.StatusFound)
}
}

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package controllers
import (
"html/template"
"net/http"
"git.wicak.co/arif/budgl/models"
)
type IndexData struct {
Title string
Summary []*models.Summary
Categories []*models.Category
People []*models.People
}
func Index(w http.ResponseWriter, r *http.Request) {
if r.Method == "POST" {
err := r.ParseForm()
if err != nil {
panic(err)
http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
}
models.AddExpense(r.PostFormValue("desc"), r.PostFormValue("date"), r.PostFormValue("cat"), r.PostFormValue("payer"), r.PostFormValue("value"))
r.Method = "GET"
http.Redirect(w, r, "/", http.StatusFound)
} else {
cats, err := models.GetCategories()
if err != nil {
panic(err)
http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
}
ppls, err := models.GetPeople()
if err != nil {
panic(err)
http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
}
smrys, err := models.GetSummary()
if err != nil {
panic(err)
http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
}
data := IndexData{
Title: "Summary of Expenses",
Summary: smrys,
Categories: cats,
People: ppls,
}
tmpl := template.Must(template.ParseFiles("views/views.html"))
tmpl.Execute(w, data)
}
}

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package models
type Category struct {
CatID int
CatDesc string
}
func GetCategories() ([]*Category, error) {
rows, err := db.Query("SELECT * FROM categories")
if err != nil {
return nil, err
}
defer rows.Close()
cats := make([]*Category, 0)
for rows.Next() {
cat := new(Category)
err := rows.Scan(&cat.CatID, &cat.CatDesc)
if err != nil {
return nil, err
}
cats = append(cats, cat)
}
if err = rows.Err(); err != nil {
return nil, err
}
return cats, nil
}
func AddCategory() error {
sqlStat := "INSERT INTO categories (catdesc) VALUES ($1) RETURNING uid"
var uid int
err := db.QueryRow(sqlStat).Scan(&uid)
if err != nil {
return err
}
return nil
}

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package models
import (
"database/sql"
_ "github.com/lib/pq"
)
var db *sql.DB
func InitDB(dataSourceName string) error {
var err error
db, err = sql.Open("postgres", dataSourceName)
if err != nil {
return err
}
if err = db.Ping(); err != nil {
return err
}
return nil
}

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package models
import "time"
type Expense struct {
ExpID int
ExpDesc string
ExpDate time.Time
ExpPayer int
ExpCat int
ExpValue string
}
func GetExpenses() ([]*Expense, error) {
rows, err := db.Query("SELECT * FROM expenses")
if err != nil {
return nil, err
}
defer rows.Close()
exps := make([]*Expense, 0)
for rows.Next() {
exp := new(Expense)
err := rows.Scan(&exp.ExpID, &exp.ExpDesc, &exp.ExpDate, &exp.ExpPayer, &exp.ExpCat, &exp.ExpValue)
if err != nil {
return nil, err
}
exps = append(exps, exp)
}
if err = rows.Err(); err != nil {
return nil, err
}
return exps, nil
}
func AddExpense(desc, date, catdesc, pplname, value string) error {
var cat int
sqlStat := "SELECT catid FROM categories WHERE catdesc = $1"
err := db.QueryRow(sqlStat, catdesc).Scan(&cat)
if err != nil {
return err
}
var payer int
sqlStat = "SELECT peopid FROM people WHERE peopname = $1"
err = db.QueryRow(sqlStat, pplname).Scan(&payer)
if err != nil {
return err
}
var expid int
sqlStat = "INSERT INTO expenses (expdesc, expdate, exppayer, expcat, expvalue) VALUES ($1, $2, $3, $4, $5) RETURNING expid"
err = db.QueryRow(sqlStat, desc, date, payer, cat, value).Scan(&expid)
if err != nil {
panic(err)
}
return nil
}
func DeleteExpense(id int) error {
var expid int
sqlStat := "DELETE FROM expenses WHERE expid = $1 RETURNING expid"
err := db.QueryRow(sqlStat, id).Scan(&expid)
if err != nil {
return err
}
return nil
}

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package models
type People struct {
PeopID int
PeopName string
}
func GetPeople() ([]*People, error) {
rows, err := db.Query("SELECT * FROM people")
if err != nil {
return nil, err
}
defer rows.Close()
ppls := make([]*People, 0)
for rows.Next() {
ppl := new(People)
err := rows.Scan(&ppl.PeopID, &ppl.PeopName)
if err != nil {
return nil, err
}
ppls = append(ppls, ppl)
}
if err = rows.Err(); err != nil {
return nil, err
}
return ppls, nil
}
func AddPeople() error {
sqlStat := "INSERT INTO people (peopname) VALUES ($1) RETURNING uid"
var uid int
err := db.QueryRow(sqlStat).Scan(&uid)
if err != nil {
return err
}
return nil
}

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package models
import "time"
type Summary struct {
ExpID string
ExpDesc string
ExpDate string
PeopleName string
CatDesc string
ExpValue string
}
func GetSummary() ([]*Summary, error) {
rows, err := db.Query("SELECT ex.expid, ex.expdesc, ex.expdate, p.peopname, ca.catdesc, ex.expvalue FROM expenses ex INNER JOIN people p ON ex.exppayer = p.peopid INNER JOIN categories ca ON ex.expcat = ca.catid")
if err != nil {
return nil, err
}
defer rows.Close()
smrys := make([]*Summary, 0)
for rows.Next() {
date := new(time.Time)
smry := new(Summary)
err := rows.Scan(&smry.ExpID, &smry.ExpDesc, &date, &smry.PeopleName, &smry.CatDesc, &smry.ExpValue)
if err != nil {
return nil, err
}
smry.FormatDate(*date)
smrys = append(smrys, smry)
}
if err = rows.Err(); err != nil {
return nil, err
}
return smrys, nil
}
func (smry *Summary) FormatDate(date time.Time) {
smry.ExpDate = date.Format("2006-01-02")
}

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<html>
<head>
<title>{{.Title}}</title>
</head>
<link href="/static/css/bootstrap.min.css" rel=stylesheet>
<link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet">
<script src="/static/js/jquery.min.js"></script>
<script src="/static/js/bootstrap.min.js"></script>
<body>
<div class="container">
<div class="row">
<div class="col-md-8">
<h1 class="text-center">Summary of Expenses</h1>
<table class="table">
<thead>
<tr>
<th>Description</th>
<th>Date</th>
<th>Payer</th>
<th>Category</th>
<th>Value</th>
<th>Operation</th>
</tr>
</thead>
<tbody>
{{range .Summary}}
<tr id="trid-{{.ExpID}}">
<td>{{.ExpDesc}}</td>
<td>{{.ExpDate}}</td>
<td>{{.PeopleName}}</td>
<td>{{.CatDesc}}</td>
<td>{{.ExpValue}}</td>
<td>
<a id="editExpense" title="Edit expense record" href="#" onclick="EditExpense({{.ExpID}}); return false;"><i class="material-icons" style="color:black">edit</i></a>
<a href="/expenses?delete-id={{.ExpID}}"><i class="material-icons" style="color:black">clear</i></a>
<a id="refreshExpense" title="Refresh expense record" href="#" onclick="RefreshExpense(); return false;"><i class="material-icons" style="color:black">refresh</i></a>
</td>
</tr>
{{end}}
</tbody>
</table>
</div>
<div class="col-md-4">
<form class="well form-forizontal" action="/expenses" method="post" id="expense">
<fieldset>
<legend>Add expense information</legend>
<div class="form-group">
<label for="desc">Description:</label>
<input name="desc" type="text" class="form-control" id="desc">
</div>
<div class="form-group">
<label for="date">Date:</label>
<input name="date" type="date" class="form-control" id="date" value="2018-01-01">
</div>
<div class="form-group">
<label for="payer">Payer:</label>
<select name="payer" class="form-control selectpicker">
{{range .People}}
<option>{{.PeopName}}</option>
{{end}}
</select>
</div>
<div class="form-group">
<label for="cat">Category:</label>
<select name="cat" class="form-control selectpicker">
{{range .Categories}}
<option>{{.CatDesc}}</option>
{{end}}
</select>
</div>
<div class="form-group">
<label for="value">Value:</label>
<input name="value" type="text" class="form-control" id="value">
</div>
<button type="submit" class="btn btn-default pull-right">Submit</button>
</fieldset>
</form>
</div>
</div>
</div>
</div>
</body>
<script src="/static/js/expense.js"></script>
</html>