141 lines
2.4 KiB
Go
141 lines
2.4 KiB
Go
package main
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import (
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"html/template"
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"io"
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"strconv"
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"time"
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"github.com/labstack/echo/v4"
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"github.com/labstack/echo/v4/middleware"
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)
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type Templates struct {
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templates *template.Template
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}
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func (t *Templates) Render(w io.Writer, name string, data interface{}, c echo.Context) error {
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return t.templates.ExecuteTemplate(w, name, data)
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}
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func newTemplate() *Templates {
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return &Templates{
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templates: template.Must(template.ParseGlob("views/*.html")),
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}
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}
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var id = 0
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type Entry struct {
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Name string
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Message string
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Id int
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}
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func newEntry(name, message string) Entry {
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id++
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return Entry{
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Name: name,
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Message: message,
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Id: id,
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}
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}
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type Entries = []Entry
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type Data struct {
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Entries Entries
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}
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func (d *Data) indexOf(id int) int {
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for i, entry := range d.Entries {
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if entry.Id == id {
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return i
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}
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}
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return -1
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}
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func newData() Data {
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return Data{
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Entries: []Entry{
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newEntry("Asshole", "Hey, this is SHIT!"),
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newEntry("Not Bd", "Fist my ginger pubes, faghole"),
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},
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}
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}
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type FormData struct {
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Values map[string]string
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Errors map[string]string
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}
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func newFormData() FormData {
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return FormData{
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Values: make(map[string]string),
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Errors: make(map[string]string),
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}
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}
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type Page struct {
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Data Data
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Form FormData
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}
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func newPage() Page {
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return Page{
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Data: newData(),
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Form: newFormData(),
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}
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}
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func main() {
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e := echo.New()
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e.Use(middleware.Logger())
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page := newPage()
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e.Renderer = newTemplate()
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e.Static("/css", "css")
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e.Static("/images", "images")
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e.GET("/", func(c echo.Context) error {
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return c.Render(200, "index", page)
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})
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e.POST("/guestbook", func(c echo.Context) error {
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name := c.FormValue("name")
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message := c.FormValue("message")
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entry := newEntry(name, message)
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page.Data.Entries = append([]Entry{entry}, page.Data.Entries...)
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c.Render(200, "form", newFormData())
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return c.Render(200, "oob-entry", entry)
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})
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e.DELETE("/guestbook/:id", func(c echo.Context) error {
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// TODO: remove this to make server faster LOL
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time.Sleep(1 * time.Second)
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idStr := c.Param("id")
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id, err := strconv.Atoi(idStr)
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if err != nil {
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return c.String(400, "Invalid ID")
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}
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i := page.Data.indexOf(id)
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if i == -1 {
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return c.String(404, "Entry not found")
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}
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page.Data.Entries = append(page.Data.Entries[:i], page.Data.Entries[i+1:]...)
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return c.NoContent(200)
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})
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e.Logger.Fatal(e.Start(":1337"))
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}
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