Basic site running
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A11415CB3DC7809B
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# Cal
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An open-source shared calendar
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## Acknowledgements
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- [SmolCSS](https://smolcss.dev/) for the stylings
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- [git-pr](https://pr.pico.sh/) for an example of how to implement http
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functions with Go 1.22.5
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59
main.go
59
main.go
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package main
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import "fmt"
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import (
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"embed"
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"fmt"
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"html/template"
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"io"
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"io/fs"
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"mime"
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"net/http"
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"path/filepath"
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)
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//go:embed static
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var staticFiles embed.FS
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func main() {
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fmt.Println("Saluton, mondo")
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staticFS := fs.FS(staticFiles)
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http.HandleFunc("GET /", index)
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http.Handle("GET /static/{file}", http.FileServer(http.FS(staticFS)))
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if err := http.ListenAndServe(":4321", nil); err != nil {
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fmt.Printf("Unable to serve: %v\n", err)
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}
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}
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func serveFile(system fs.FS) func(w http.ResponseWriter, r http.Request) {
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return func(w http.ResponseWriter, r http.Request) {
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file := r.PathValue("file")
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reader, err := system.Open(file)
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if err != nil {
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http.Error(w, "File not found", 404)
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return
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}
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defer reader.Close()
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cont, err := io.ReadAll(reader)
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handleHTTPError("Error reading file", err, w)
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contType := mime.TypeByExtension(filepath.Ext(file))
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w.Header().Add("Content-Type", contType)
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_, err = w.Write(cont)
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handleHTTPError("Error writing HTTP resp", err, w)
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}
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}
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func index(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "text/html; charset=utf8")
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tmpl, err := template.ParseFiles("./tmpl/index.html", "./tmpl/base.html")
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handleHTTPError("Error parsing template", err, w)
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err = tmpl.Execute(w, nil)
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handleHTTPError("Error executing on template", err, w)
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}
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func handleHTTPError(msg string, err error, w http.ResponseWriter) {
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if err != nil {
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fmt.Printf("%v: %v", msg, err)
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http.Error(w, "Internal server error", 500)
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return
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}
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}
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57
static/smol.css
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57
static/smol.css
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* {
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box-sizing: border-box;
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margin: 0;
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}
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body {
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background-color: var(--bg-colour);
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color: var(--text-colour) !important;
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display: flex;
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flex-direction: column;
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min-height: 100vh;
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padding: 5vh clamp(1rem, 5vw, 3rem) 1rem;
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font-family: system-ui, sans-serif;
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line-height: 1.5;
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color: #222;
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}
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body > * {
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--layout-spacing: max(8vh, 3rem);
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--max-width: 70ch;
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width: min(100%, var(--max-width));
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margin-left: auto;
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margin-right: auto;
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}
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main {
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margin-top: var(--layout-spacing);
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}
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footer {
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margin-top: auto;
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padding-top: var(--layout-spacing);
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}
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footer p {
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border-top: 1px solid #ccc;
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padding-top: 0.25em;
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font-size: 0.9rem;
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color: #767676;
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}
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:is(h1, h2, h3) {
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line-height: 1.2;
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}
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:is(h2, h3):not(:first-child) {
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margin-top: 2em;
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}
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article * + * {
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margin-top: 1em;
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}
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a {
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color: navy;
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text-underline-offset: 0.15em;
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}
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12
static/vars.css
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12
static/vars.css
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:root {
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--bg-colour: #ffffff;
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--text-colour: #282a36;
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}
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@media (prefers-color-scheme: dark) {
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:root {
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--bg-colour: #282a36;
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--text-colour: #ffffff;
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}
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}
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16
tmpl/base.html
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16
tmpl/base.html
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{{define "base"}}
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<title>{{template "title" .}}</title>
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{{template "meta" .}}
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<link rel="stylesheet" href="/static/vars.css">
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<link rel="stylesheet" href="/static/smol.css">
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</head>
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<body>
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{{template "body" .}}
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</body>
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</html>
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{{end}}
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13
tmpl/index.html
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13
tmpl/index.html
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{{template "base" .}}
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{{define "title"}}Calendar{{end}}
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{{define "meta"}} {{end}}
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{{define "body"}}
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<header class="group">
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<h1 class="text-2xl">Cal</h1>
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</header>
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{{end}}
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