forked from lyricat/tattoo
/
render.go
215 lines (197 loc) · 5.31 KB
/
render.go
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package main
import (
"errors"
"fmt"
"html/template"
"net/http"
"strings"
"github.com/salviati/tattoo/webapp"
)
var mainTPL *template.Template
var writerTPL *template.Template
var guardTPL *template.Template
var feedTPL *template.Template
var editorTPL *template.Template
var notFoundTPL *template.Template
func LoadSystemTemplates() error {
var err error
// system templates
writerTPL, err = template.ParseFiles(
"sys/template/bare.html",
"sys/template/nav.html",
"sys/template/tags.html",
"sys/template/comments.html",
"sys/template/settings.html",
"sys/template/overview.html",
"sys/template/content.html")
if err != nil {
return err
}
editorTPL, err = template.ParseFiles("sys/template/editor.html")
if err != nil {
return err
}
guardTPL, err = template.ParseFiles("sys/template/guard.html")
if err != nil {
return err
}
feedTPL, err = template.ParseFiles("sys/template/feed_atom.html")
if err != nil {
return err
}
return err
}
func LoadThemeTemplates(themeName string) error {
var err error
// required templates
mainTPL, err = template.ParseFiles(
fmt.Sprintf("theme/%s/template/bare.html", themeName),
fmt.Sprintf("theme/%s/template/header.html", themeName),
fmt.Sprintf("theme/%s/template/footer.html", themeName),
fmt.Sprintf("theme/%s/template/tag.html", themeName),
fmt.Sprintf("theme/%s/template/article.html", themeName),
fmt.Sprintf("theme/%s/template/articles.html", themeName),
fmt.Sprintf("theme/%s/template/content.html", themeName))
if err != nil {
return err
}
// optional templates
notFoundTPL, err = template.ParseFiles(
fmt.Sprintf("theme/%s/template/404.html", themeName))
if err != nil {
return err
}
return err
}
func RenderSinglePage(ctx *webapp.Context, name string, lastMeta *CommentMetadata) error {
vars := make(map[string]interface{})
vars["Name"] = name
vars["LastCommentMeta"] = lastMeta
data := MakeData(ctx, vars)
data.Flags.Single = true
err := ctx.Execute(mainTPL, &data)
return err
}
func RenderTagPage(ctx *webapp.Context, offset int, tag string) error {
vars := make(map[string]interface{})
tag = strings.Trim(tag, " ")
if !TattooDB.HasTag(tag) {
return errors.New(webapp.ErrNotFound)
}
vars["Offset"] = offset
vars["Tag"] = tag
vars["AtBegin"] = false
vars["AtEnd"] = false
if TattooDB.GetTagArticleCount(tag)-1-offset < GetConfig().TimelineCount {
vars["AtEnd"] = true
}
if offset < GetConfig().TimelineCount {
vars["AtBegin"] = true
}
data := MakeData(ctx, vars)
data.Flags.HasTag = true
err := ctx.Execute(mainTPL, &data)
return err
}
func RenderHomePage(ctx *webapp.Context, offset int) error {
vars := make(map[string]interface{})
vars["Offset"] = offset
vars["AtBegin"] = false
vars["AtEnd"] = false
vars["Offset"] = offset
if TattooDB.GetArticleCount()-1-offset < GetConfig().TimelineCount {
vars["AtEnd"] = true
}
if offset < GetConfig().TimelineCount {
vars["AtBegin"] = true
}
data := MakeData(ctx, vars)
data.Flags.Home = true
err := ctx.Execute(mainTPL, &data)
return err
}
func RenderGuard(ctx *webapp.Context, hint string) error {
vars := make(map[string]interface{})
vars["Error"] = ""
if len(hint) != 0 {
vars["Error"] = hint
}
data := MakeData(ctx, vars)
err := ctx.Execute(guardTPL, &data)
return err
}
func RenderFeedAtom(ctx *webapp.Context) error {
vars := make(map[string]interface{})
vars["Declaration"] = template.HTML("<?xml version=\"1.0\" encoding=\"UTF-8\"?>")
data := MakeData(ctx, vars)
data.Flags.Feed = true
ctx.SetHeader("Content-Type", "application/atom+xml")
err := ctx.Execute(feedTPL, &data)
return err
}
func RenderWriterEditor(ctx *webapp.Context, article *Article) error {
vars := make(map[string]interface{})
vars["Article"] = article
data := MakeData(ctx, vars)
data.Flags.WriterEditor = true
err := ctx.Execute(editorTPL, &data)
return err
}
func RenderWriterOverview(ctx *webapp.Context, offset int) error {
vars := make(map[string]interface{})
vars["Offset"] = offset
vars["AtBegin"] = false
vars["AtEnd"] = false
vars["Offset"] = offset
if TattooDB.GetArticleCount()-1-offset < 20 {
vars["AtEnd"] = true
}
if offset < 20 {
vars["AtBegin"] = true
}
data := MakeData(ctx, vars)
data.Flags.WriterOverview = true
err := ctx.Execute(writerTPL, &data)
return err
}
func RenderWriterComments(ctx *webapp.Context, offset int) error {
vars := make(map[string]interface{})
vars["Offset"] = offset
vars["AtBegin"] = false
vars["AtEnd"] = false
vars["Offset"] = offset
if TattooDB.GetCommentCount()-1-offset < 20 {
vars["AtEnd"] = true
}
if offset < 20 {
vars["AtBegin"] = true
}
data := MakeData(ctx, vars)
data.Flags.WriterComments = true
err := ctx.Execute(writerTPL, &data)
return err
}
func Render404page(ctx *webapp.Context, msg string) error {
if notFoundTPL != nil {
vars := make(map[string]interface{})
vars["Message"] = msg
vars["URL"] = ctx.Request.RequestURI
vars["Referer"] = ctx.Request.Referer()
data := MakeData(ctx, vars)
err := ctx.Execute(notFoundTPL, &data)
return err
} else {
ctx.Error(fmt.Sprintf("%s: %s", webapp.ErrNotFound, msg),
http.StatusNotFound)
return nil
}
return nil
}
func RenderWriterSettings(ctx *webapp.Context, msg string) error {
vars := make(map[string]interface{})
vars["Message"] = msg
data := MakeData(ctx, vars)
data.Flags.WriterSettings = true
err := ctx.Execute(writerTPL, &data)
return err
}