You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
owl-blogs/renderer.go

224 lines
4.9 KiB

package owl
import (
"bytes"
_ "embed"
"html/template"
"strings"
)
type PageContent struct {
Title string
Description string
Content template.HTML
Type string
SelfUrl string
}
type PostRenderData struct {
Title string
Post *Post
Content template.HTML
}
type AuthRequestData struct {
Me string
ClientId string
RedirectUri string
State string
Scope string
Scopes []string // Split version of scope. filled by rendering function.
ResponseType string
CodeChallenge string
CodeChallengeMethod string
User User
CsrfToken string
}
type EditorViewData struct {
User User
CsrfToken string
}
type ErrorMessage struct {
Error string
Message string
}
func noescape(str string) template.HTML {
return template.HTML(str)
}
func renderEmbedTemplate(templateFile string, data interface{}) (string, error) {
templateStr, err := embed_files.ReadFile(templateFile)
if err != nil {
return "", err
}
return renderTemplateStr(templateStr, data)
}
func renderTemplateStr(templateStr []byte, data interface{}) (string, error) {
t, err := template.New("_").Funcs(template.FuncMap{
"noescape": noescape,
}).Parse(string(templateStr))
if err != nil {
return "", err
}
var html bytes.Buffer
err = t.Execute(&html, data)
if err != nil {
return "", err
}
return html.String(), nil
}
func renderIntoBaseTemplate(user User, data PageContent) (string, error) {
baseTemplate, _ := user.Template()
t, err := template.New("index").Parse(baseTemplate)
if err != nil {
return "", err
}
full_data := struct {
Title string
Description string
Content template.HTML
Type string
SelfUrl string
User User
}{
Title: data.Title,
Description: data.Description,
Content: data.Content,
Type: data.Type,
SelfUrl: data.SelfUrl,
User: user,
}
var html bytes.Buffer
err = t.Execute(&html, full_data)
return html.String(), err
}
func renderPostContent(post *Post) (string, error) {
buf := post.RenderedContent()
postHtml, err := renderEmbedTemplate("embed/post.html", PostRenderData{
Title: post.Title(),
Post: post,
Content: template.HTML(buf),
})
return postHtml, err
}
func RenderPost(post *Post) (string, error) {
postHtml, err := renderPostContent(post)
if err != nil {
return "", err
}
return renderIntoBaseTemplate(*post.user, PageContent{
Title: post.Title(),
Description: post.Meta().Description,
Content: template.HTML(postHtml),
Type: "article",
SelfUrl: post.FullUrl(),
})
}
func RenderIndexPage(user User) (string, error) {
posts, _ := user.PrimaryFeedPosts()
postHtml, err := renderEmbedTemplate("embed/post-list.html", posts)
if err != nil {
return "", err
}
return renderIntoBaseTemplate(user, PageContent{
Title: "Index",
Content: template.HTML(postHtml),
})
}
func RenderPostList(user User, list *PostList) (string, error) {
posts, _ := user.GetPostsOfList(*list)
postHtml, err := renderEmbedTemplate("embed/post-list.html", posts)
if err != nil {
return "", err
}
return renderIntoBaseTemplate(user, PageContent{
Title: "Index",
Content: template.HTML(postHtml),
})
}
func RenderUserAuthPage(reqData AuthRequestData) (string, error) {
reqData.Scopes = strings.Split(reqData.Scope, " ")
authHtml, err := renderEmbedTemplate("embed/auth.html", reqData)
if err != nil {
return "", err
}
return renderIntoBaseTemplate(reqData.User, PageContent{
Title: "Auth",
Content: template.HTML(authHtml),
})
}
func RenderUserError(user User, error ErrorMessage) (string, error) {
errHtml, err := renderEmbedTemplate("embed/error.html", error)
if err != nil {
return "", err
}
return renderIntoBaseTemplate(user, PageContent{
Title: "Error",
Content: template.HTML(errHtml),
})
}
func RenderUserList(repo Repository) (string, error) {
baseTemplate, _ := repo.Template()
users, _ := repo.Users()
userHtml, err := renderEmbedTemplate("embed/user-list.html", users)
if err != nil {
return "", err
}
data := PageContent{
Title: "Index",
Content: template.HTML(userHtml),
}
return renderTemplateStr([]byte(baseTemplate), data)
}
func RenderLoginPage(user User, csrfToken string) (string, error) {
loginHtml, err := renderEmbedTemplate("embed/editor/login.html", EditorViewData{
User: user,
CsrfToken: csrfToken,
})
if err != nil {
return "", err
}
return renderIntoBaseTemplate(user, PageContent{
Title: "Login",
Content: template.HTML(loginHtml),
})
}
func RenderEditorPage(user User, csrfToken string) (string, error) {
editorHtml, err := renderEmbedTemplate("embed/editor/editor.html", EditorViewData{
User: user,
CsrfToken: csrfToken,
})
if err != nil {
return "", err
}
return renderIntoBaseTemplate(user, PageContent{
Title: "Editor",
Content: template.HTML(editorHtml),
})
}