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compare: collin:7ccd1a9effd63fc83f75654f1e0f822cdf0435e9
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collin:main

2 commits
2581c2d04a ... 7ccd1a9eff

Author SHA1 Message Date
collin
7ccd1a9eff Adding basic backend to handle RSVPs, still a WIP 2025-06-22 21:59:09 +02:00
collin
b2ad1654d1 Adding frontend for wedding info and rsvping 2025-06-22 21:58:19 +02:00
10 changed files with 493 additions and 0 deletions
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48
client/index.html Normal file
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<!DOCTYPE html>
<html>
<head>
<link rel="stylesheet" type="text/css" href="style.css">
</head>
<body>
<h1 class="title fontXL textCenter backgroundLightGreen colorWhite">Collin and Lucy's Wedding</h1>
<div class="contents fontM">
<div>
<h2 class="textLeft fontL colorLightGreen">When?</h2>
<p>Saturday 16th of May 2026.</p>
<br/>
<h3 class="colorLightGreen fontM">Agenda</h3>
<ul>
<li>14:30 - Guests arrive</li>
<li>15:00 - Ceremony</li>
<li>15:30 - Reception</li>
<li>18:30 - Dinner</li>
</ul>
<br/>
<h2 class="textLeft colorLightGreen fontL">Where?</h2>
<a href="https://www.broekerhuis.nl/">
<p>
Het Broeker Huis <br/>
Leeteinde 16 <br/>
1151AK Broek in Waterland
</p>
</a>
<br/>
<iframe width="425" height="350" src="https://www.openstreetmap.org/export/embed.html?bbox=4.991877973079682%2C52.436195297048144%2C4.994031786918641%2C52.43801523045145&amp;layer=mapnik&amp;marker=52.43710609072568%2C4.992956221103668" style="border: 1px solid black"></iframe><br/>
<a href="https://www.openstreetmap.org/node/2869212621"><h5 class="fontS">View</h5></a>
</div>
</div>
<div class="rsvpButton textCenter backgroundLightGreen hidden">
<p class="colorBlack">
R <br/>
S <br/>
V <br/>
P <br/>
</p>
</div>
<script src="rsvp.js"></script>
</body>
</html>

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const COOKIE_NAME = 'hasRsvped'
function hasRsvped() {
const cookies = Object.fromEntries(
document.cookie
.split(';')
.map(x => x.trim().split('='))
)
return cookies[COOKIE_NAME] === 'true'
}
function persistRsvp(hasRsvped = true) {
document.cookie = `${COOKIE_NAME}=${String(hasRsvped)}; path=/`
console.log(document.cookie);
}
function rsvpButtonClicked() {
console.log('here')
persistRsvp(true)
}
window.onload = function () {
if (!hasRsvped()) {
const rsvpButton = document.querySelector('.rsvpButton')
rsvpButton.classList.remove('hidden')
rsvpButton.onclick = rsvpButtonClicked
}
}

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client/style.css Normal file
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/* reset annoying shit */
* {
padding: 0;
margin: 0;
}
a {
text-decoration: underline;
}
a:visited {
color: inherit;
}
ul {
list-style: none;
}
html {
height: 100%;
width: 100%;
}
body {
height: auto;
min-height: 100%;
width: auto;
display: block;
}
/* #region reusable */
.hidden {
visibility: hidden;
}
.textLeft {
text-align: left;
}
.textCenter {
text-align: center;
}
.textRight {
text-align: right;
}
.colorWhite {
color: #ffffff;
}
.colorBlack {
color: #000000;
}
.colorLightGreen {
color: #8cad87;
}
.backgroundWhite {
background-color: #ffffff;
}
.backgroundBlack {
background-color: #000000;
}
.backgroundLightGreen {
background-color: #8cad87;
}
.fontXL {
font-size: 10vmin;
}
.fontL {
font-size: 7.5vmin;
}
.fontM {
font-size: 5vmin;
}
.fontS {
font-size: 2.5vmin;
}
.fontXS {
font-size: 1vmin;
}
/* #endregion */
.title {
padding-left: 100px;
padding-right: 100px;
padding-top: 50px;
padding-bottom: 50px;
}
/* #region contents */
.contents {
height: auto;
padding: 50px;
}
/* #endregion
/* #region rsvp */
.rsvpButton {
position: fixed;
height: 100px;
width: 18px;
top: 25px;
right: 0px;
padding: 16px;
border-radius: 16px 0px 0px 16px;
mix-blend-mode: color-dodge;
cursor: pointer;
}
/* #endregion */

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package main
import (
"database/sql"
"fmt"
"log"
)
func SetupDatabase() *sql.DB {
db, err := sql.Open("sqlite3", "./db.sqlite")
if err != nil {
log.Fatal("failed to open database")
}
var version string
err = db.QueryRow("SELECT SQLITE_VERSION()").Scan(&version)
if err != nil {
log.Fatal("failed to query database")
}
fmt.Println(version)
SetupRsvpsTable(db)
return db
}

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server/go.mod Normal file
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module collinenlucy.nl
go 1.24.4
require (
github.com/AnthonyHewins/gotfy v0.0.10 // indirect
github.com/goccy/go-json v0.10.2 // indirect
github.com/mattn/go-sqlite3 v1.14.28 // indirect
)

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server/go.sum Normal file
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github.com/AnthonyHewins/gotfy v0.0.10 h1:23ZjRVG7wuGuqn7CQq/bOrkXa3gg2XyYrrD3RYEmvE8=
github.com/AnthonyHewins/gotfy v0.0.10/go.mod h1:q2orErDDpl9/gZ5L4oJhejb7TaP/eBdtkzjWDruNRlg=
github.com/goccy/go-json v0.10.2 h1:CrxCmQqYDkv1z7lO7Wbh2HN93uovUHgrECaO5ZrCXAU=
github.com/goccy/go-json v0.10.2/go.mod h1:6MelG93GURQebXPDq3khkgXZkazVtN9CRI+MGFi0w8I=
github.com/mattn/go-sqlite3 v1.14.28 h1:ThEiQrnbtumT+QMknw63Befp/ce/nUPgBPMlRFEum7A=
github.com/mattn/go-sqlite3 v1.14.28/go.mod h1:Uh1q+B4BYcTPb+yiD3kU8Ct7aC0hY9fxUwlHK0RXw+Y=

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server/http.go Normal file
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package main
import (
"database/sql"
"fmt"
"net/http"
"time"
)
type Handler struct {
db *sql.DB
}
func (h *Handler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
fmt.Printf("%s - [%s] (%s) %s\n", time.Now().Format(time.RFC3339), r.RemoteAddr, r.Method, r.URL)
switch true {
case r.Method == "GET" && r.URL.Path == "/":
rsvps, err := GetRsvps(h.db)
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
fmt.Fprintf(w, "%s", err.Error())
return
}
w.WriteHeader(http.StatusOK)
fmt.Fprintf(w, "%#v", rsvps)
case r.Method == "POST" && r.URL.Path == "/":
r := Rsvp{
id: -1,
attending: true,
partySize: 2,
partyMembers: []Member{
{name: "test", dietaryPreferences: "no meat", child: false},
{name: "; DROP TABLE rsvps", dietaryPreferences: "", child: true},
},
}
r.CreateRsvp(h.db)
w.WriteHeader(http.StatusAccepted)
default:
w.WriteHeader(http.StatusNotFound)
}
}

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package main
import (
"net/http"
_ "github.com/mattn/go-sqlite3"
)
func main() {
SetupNtfyClient()
db := SetupDatabase()
hnd := &Handler{db}
http.ListenAndServe(":8000", hnd)
}

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package main
import (
"context"
"fmt"
"log"
"net/http"
"net/url"
"os"
"strings"
"github.com/AnthonyHewins/gotfy"
)
var client *gotfy.Publisher
type authdTransport struct {
underlyingTransport http.RoundTripper
}
func (t *authdTransport) RoundTrip(req *http.Request) (*http.Response, error) {
var ntfyToken string
env := os.Environ()
for _, keyVal := range env {
keyValArr := strings.Split(keyVal, "=")
if keyValArr[0] == "NTFY_TOKEN" {
ntfyToken = keyValArr[1]
}
}
req.Header.Add("Authorization", "Bearer "+ntfyToken)
return t.underlyingTransport.RoundTrip(req)
}
func SetupNtfyClient() {
server, err := url.Parse("https://home.collinduncan.com/ntfy")
if err != nil {
log.Fatal(err)
}
authdHttpClient := &http.Client{Transport: &authdTransport{underlyingTransport: http.DefaultTransport}}
tp, err := gotfy.NewPublisher(server, authdHttpClient)
if err != nil {
log.Fatal(err)
}
client = tp
resp, err := client.SendMessage(context.Background(), &gotfy.Message{
Topic: "collinenlucy_nl",
Message: "Collin RSVP'd",
Title: "New RSVP",
Tags: []string{},
Priority: gotfy.Default,
})
if err != nil {
log.Fatal(err)
}
fmt.Printf("%s\n", resp.ID)
}
func SendRsvpNotification() {
}

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package main
import (
"database/sql"
"fmt"
"log"
"net/url"
"strings"
)
type Member struct {
name string
dietaryPreferences string
child bool
}
func (m *Member) serialize() string {
builder := new(strings.Builder)
fmt.Fprintf(builder, "%s,%s,%t,", url.QueryEscape(m.name), url.QueryEscape(m.dietaryPreferences), m.child)
return builder.String()
}
func deserializeMembers(serializedData string) ([]Member, error) {
members := make([]Member, 0)
keyVals := strings.Split(serializedData, ",")
for i := 0; i < len(keyVals)-1; i += 3 {
name, err := url.QueryUnescape(keyVals[i])
if err != nil {
return nil, err
}
dietaryPreferences, err := url.QueryUnescape(keyVals[i+1])
if err != nil {
return nil, err
}
child := keyVals[i+2] == "true"
members = append(members, Member{
name: name,
dietaryPreferences: dietaryPreferences,
child: child,
})
}
return members, nil
}
type Rsvp struct {
id int64
attending bool
partySize int64
partyMembers []Member
}
func SetupRsvpsTable(db *sql.DB) {
_, err := db.Exec(`CREATE TABLE IF NOT EXISTS rsvps (
id INTEGER PRIMARY KEY AUTOINCREMENT,
attending BOOLEAN NOT NULL,
partySize INTEGER NOT NULL,
partyMembers BLOB NOT NULL
);`)
if err != nil {
log.Fatalf("failed to create rsvp table: %s", err.Error())
}
}
func GetRsvps(db *sql.DB) ([]Rsvp, error) {
rows, err := db.Query("SELECT * FROM rsvps ORDER BY id desc")
if err != nil {
return nil, err
}
defer rows.Close()
rsvps := make([]Rsvp, 0)
for rows.Next() {
var id int64
var attending bool
var partySize int64
var rawPartyMembers string
err = rows.Scan(&id, &attending, &partySize, &rawPartyMembers)
if err != nil {
return nil, err
}
members, err := deserializeMembers(rawPartyMembers)
if err != nil {
return nil, err
}
rsvps = append(rsvps, Rsvp{
id: id,
attending: attending,
partySize: partySize,
partyMembers: members,
})
}
return rsvps, nil
}
func (rsvp *Rsvp) CreateRsvp(db *sql.DB) (int64, error) {
partyMembersBuilder := new(strings.Builder)
for _, m := range rsvp.partyMembers {
partyMembersBuilder.WriteString(m.serialize())
}
fmt.Printf("%s\n", partyMembersBuilder.String())
result, err := db.Exec(
"INSERT INTO rsvps (attending, partySize, partyMembers) VALUES (?, ?, ?);",
rsvp.attending,
rsvp.partySize,
partyMembersBuilder.String(),
)
if err != nil {
return -1, err
}
id, err := result.LastInsertId()
if err != nil {
return -1, err
}
return id, nil
}