init

go.mod

@@ -0,0 +1,17 @@
+module synlotto-website
+
+go 1.24.1
+
+require (
+	github.com/dustin/go-humanize v1.0.1 // indirect
+	github.com/google/uuid v1.6.0 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/ncruces/go-strftime v0.1.9 // indirect
+	github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect
+	golang.org/x/exp v0.0.0-20230315142452-642cacee5cc0 // indirect
+	golang.org/x/sys v0.30.0 // indirect
+	modernc.org/libc v1.61.13 // indirect
+	modernc.org/mathutil v1.7.1 // indirect
+	modernc.org/memory v1.8.2 // indirect
+	modernc.org/sqlite v1.36.1 // indirect
+)

go.sum

@@ -0,0 +1,23 @@
+github.com/dustin/go-humanize v1.0.1 h1:GzkhY7T5VNhEkwH0PVJgjz+fX1rhBrR7pRT3mDkpeCY=
+github.com/dustin/go-humanize v1.0.1/go.mod h1:Mu1zIs6XwVuF/gI1OepvI0qD18qycQx+mFykh5fBlto=
+github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
+github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
+github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
+github.com/ncruces/go-strftime v0.1.9 h1:bY0MQC28UADQmHmaF5dgpLmImcShSi2kHU9XLdhx/f4=
+github.com/ncruces/go-strftime v0.1.9/go.mod h1:Fwc5htZGVVkseilnfgOVb9mKy6w1naJmn9CehxcKcls=
+github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec h1:W09IVJc94icq4NjY3clb7Lk8O1qJ8BdBEF8z0ibU0rE=
+github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec/go.mod h1:qqbHyh8v60DhA7CoWK5oRCqLrMHRGoxYCSS9EjAz6Eo=
+golang.org/x/exp v0.0.0-20230315142452-642cacee5cc0 h1:pVgRXcIictcr+lBQIFeiwuwtDIs4eL21OuM9nyAADmo=
+golang.org/x/exp v0.0.0-20230315142452-642cacee5cc0/go.mod h1:CxIveKay+FTh1D0yPZemJVgC/95VzuuOLq5Qi4xnoYc=
+golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.30.0 h1:QjkSwP/36a20jFYWkSue1YwXzLmsV5Gfq7Eiy72C1uc=
+golang.org/x/sys v0.30.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+modernc.org/libc v1.61.13 h1:3LRd6ZO1ezsFiX1y+bHd1ipyEHIJKvuprv0sLTBwLW8=
+modernc.org/libc v1.61.13/go.mod h1:8F/uJWL/3nNil0Lgt1Dpz+GgkApWh04N3el3hxJcA6E=
+modernc.org/mathutil v1.7.1 h1:GCZVGXdaN8gTqB1Mf/usp1Y/hSqgI2vAGGP4jZMCxOU=
+modernc.org/mathutil v1.7.1/go.mod h1:4p5IwJITfppl0G4sUEDtCr4DthTaT47/N3aT6MhfgJg=
+modernc.org/memory v1.8.2 h1:cL9L4bcoAObu4NkxOlKWBWtNHIsnnACGF/TbqQ6sbcI=
+modernc.org/memory v1.8.2/go.mod h1:ZbjSvMO5NQ1A2i3bWeDiVMxIorXwdClKE/0SZ+BMotU=
+modernc.org/sqlite v1.36.1 h1:bDa8BJUH4lg6EGkLbahKe/8QqoF8p9gArSc6fTqYhyQ=
+modernc.org/sqlite v1.36.1/go.mod h1:7MPwH7Z6bREicF9ZVUR78P1IKuxfZ8mRIDHD0iD+8TU=

handlers/draw_handler.go

@@ -0,0 +1,61 @@
+package handlers
+
+import (
+	"html/template"
+	"log"
+	"net/http"
+
+	"synlotto-website/models"
+)
+
+var tmpl = template.Must(template.ParseFiles(
+	"templates/layout.html",
+	"templates/index.html",
+	"templates/new_draw.html",
+))
+
+func Home(w http.ResponseWriter, r *http.Request) {
+	log.Println("✅ Home hit")
+
+	var draws []models.Draw
+
+	err := tmpl.ExecuteTemplate(w, "layout", map[string]interface{}{
+		"Page": "index",
+		"Data": draws,
+	})
+	if err != nil {
+		log.Println("❌ Template error:", err)
+		http.Error(w, "Error rendering homepage", http.StatusInternalServerError)
+	}
+}
+
+func NewDraw(w http.ResponseWriter, r *http.Request) {
+	log.Println("➡️ New draw form opened")
+
+	err := tmpl.ExecuteTemplate(w, "layout", map[string]interface{}{
+		"Page": "new_draw",
+		"Data": nil,
+	})
+	if err != nil {
+		log.Println("❌ Template error:", err)
+		http.Error(w, "Error rendering form", http.StatusInternalServerError)
+	}
+}
+
+func Submit(w http.ResponseWriter, r *http.Request) {
+	log.Println("📝 Form submission received")
+	err := r.ParseForm()
+	if err != nil {
+		http.Error(w, "Invalid form", http.StatusBadRequest)
+		return
+	}
+
+	date := r.FormValue("date")
+	numbers := r.FormValue("numbers")
+	spend := r.FormValue("spend")
+	ret := r.FormValue("return")
+
+	log.Printf("📅 Date: %s | 🔢 Numbers: %s | 💸 Spend: %s | 💰 Return: %s\n", date, numbers, spend, ret)
+
+	http.Redirect(w, r, "/", http.StatusSeeOther)
+}

main.go

@@ -0,0 +1,16 @@
+package main
+
+import (
+	"log"
+	"net/http"
+	"synlotto-website/handlers"
+)
+
+func main() {
+	http.HandleFunc("/", handlers.Home)
+	http.HandleFunc("/new", handlers.NewDraw)
+	http.HandleFunc("/submit", handlers.Submit)
+
+	log.Println("🚀 Lotto Tracker running on http://localhost:8080")
+	log.Fatal(http.ListenAndServe(":8080", nil))
+}

models/draw.go

@@ -0,0 +1,10 @@
+package models
+
+type Draw struct {
+	ID         int
+	Date       string
+	Numbers    string
+	Spend      float64
+	Return     float64
+	ProfitLoss float64
+}

storage/db.go

@@ -0,0 +1,31 @@
+package storage
+
+import (
+	"database/sql"
+	"log"
+
+	_ "modernc.org/sqlite"
+)
+
+func InitDB(filepath string) *sql.DB {
+	db, err := sql.Open("sqlite", filepath)
+	if err != nil {
+		log.Fatal("❌ Failed to open DB:", err)
+	}
+
+	createTable := `
+	CREATE TABLE IF NOT EXISTS draws (
+		id INTEGER PRIMARY KEY AUTOINCREMENT,
+		date TEXT,
+		numbers TEXT,
+		spend REAL,
+		return REAL
+	);`
+
+	_, err = db.Exec(createTable)
+	if err != nil {
+		log.Fatal("❌ Failed to create table:", err)
+	}
+
+	return db
+}

templates/index.html

@@ -0,0 +1,29 @@
+{{ define "index" }}
+<a href="/new">+ Add New Draw</a>
+
+{{ if . }}
+<table>
+    <tr>
+        <th>Date</th>
+        <th>Numbers</th>
+        <th>Spend (£)</th>
+        <th>Return (£)</th>
+        <th>Profit/Loss (£)</th>
+    </tr>
+    {{ range . }}
+    <tr>
+        <td>{{ .Date }}</td>
+        <td>{{ .Numbers }}</td>
+        <td>{{ printf "%.2f" .Spend }}</td>
+        <td>{{ printf "%.2f" .Return }}</td>
+        <td>{{ printf "%.2f" .ProfitLoss }}</td>
+    </tr>
+    {{ else }}
+    <tr><td colspan="5">No draws recorded yet.</td></tr>
+    {{ end }}
+</table>
+{{ else }}
+<p>No draws recorded yet. <a href="/new">Add your first draw</a></p>
+{{ end }}
+
+{{ end }}

templates/layout.html

@@ -0,0 +1,26 @@
+{{ define "layout" }}
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>Lotto Tracker</title>
+    <style>
+        body { font-family: Arial, sans-serif; margin: 40px; }
+        table { border-collapse: collapse; width: 100%; margin-top: 20px; }
+        th, td { padding: 8px 12px; border: 1px solid #ddd; text-align: center; }
+        th { background-color: #f5f5f5; }
+        .form-section { margin-bottom: 20px; }
+    </style>
+</head>
+<body>
+    <h1>Lotto Tracker</h1>
+
+    {{ if eq .Page "index" }}
+        {{ template "index" .Data }}
+    {{ else if eq .Page "new_draw" }}
+        {{ template "new_draw" .Data }}
+    {{ end }}
+
+</body>
+</html>
+{{ end }}

templates/new_draw.html

@@ -0,0 +1,19 @@
+{{ define "new_draw" }}
+<a href="/">← Back to Overview</a>
+<h2>New Draw Entry</h2>
+<form action="/submit" method="POST">
+    <div class="form-section">
+        <label>Date: <input type="date" name="date" required></label>
+    </div>
+    <div class="form-section">
+        <label>Numbers: <input type="text" name="numbers" required></label>
+    </div>
+    <div class="form-section">
+        <label>Spend (£): <input type="number" step="0.01" name="spend" required></label>
+    </div>
+    <div class="form-section">
+        <label>Return (£): <input type="number" step="0.01" name="return" required></label>
+    </div>
+    <button type="submit">Save</button>
+</form>
+{{ end }}