HTML forms for Golang

Installation:

go get github.com/vmihailenco/gforms

Example

Example:

package blog

import (
    "net/http"

    "github.com/vmihailenco/gforms"
)

type ArticleForm struct {
    gforms.BaseForm
    Title    *gforms.StringField `gforms:",req"`
    Text     *gforms.StringField `gforms:",req"`
    IsPublic *gforms.BoolField
}

func NewArticleForm(article *Article) *ArticleForm {
    f := &ArticleForm{}
    gforms.InitForm(f)

    f.Title.MaxLen = 500
    f.IsPublic.Label = "Is public?"

    if article != nil {
        f.Title.SetInitial(article.Title)
        f.Text.SetInitial(article.Text())
        f.IsPublic.SetInitial(article.IsPublic)
    }

    return f
}

func (f *ArticleForm) Populate(article *Article) {
    article.Title = f.Title.Value()
    article.Text = f.Text.Value()
    article.IsPublic = f.IsPublic.Value()
}

func CreateArticleHandler(w http.ResponseWriter, r *http.Request) {
    form := NewArticleForm(nil)

    if r.Method == "POST" {
        _ = r.ParseForm()
        if gforms.IsFormValid(form, r.Form) {
            article := &Article{}
            form.PopulateArticle(article)

            if err := SaveArticle(article); err != nil {
                HandleError(w, err)
                return
            }

            http.Redirect(w, r, "/articles", http.StatusFound)
            return
        }
    }

    data := struct {
        Form *ArticleForm
    } {
        Form: form,
    }
    RenderTemplate(w, data)
}

Template:

<form method="post" class="well article">
  {{render .Form.Title "class" "span6"}}
  {{render .Form.Text "class" "span6"}}
  {{render .Form.IsPublic}}

  <div class="form-actions">
    <button type="submit" class="btn btn-primary">Create New Article</button>
  </div>
</form>

License

vmihailenco/gforms

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