// pdfhandler makes a pdf file out of the information it is passed.
func pdfhandler(w http.ResponseWriter, r *http.Request) {
fmt.Printf("%s %s\n", r.Method, r.URL.Path)
fmt.Printf("%s\n", r.Header.Get("Accept"))
header := w.Header()
id := assignId(r)
doc, err := DB.Fetch(id)
if err != nil {
web.Error(w, err.Error(), http.StatusNotFound)
return
}
header.Set("Content-Type", "application/pdf")
//header.Set("Content-Disposition", "attachment;filename=foo.pdf")
pdf := textproc.MakePDFStreamTextObject(w, 8.5*72, 11*72)
defer pdf.Close()
props := textproc.TypesettingProps{}
props.Fontname = doc.Font
props.Fontsize = doc.FontSize.Points()
props.Baselineskip = doc.BaselineSkip.Points()
props.PageWidth = doc.PageWidth.Points()
props.PageHeight = doc.PageHeight.Points()
props.LeftMargin = doc.LeftMargin.Points()
props.RightMargin = doc.RightMargin.Points()
pdf.WriteAt(doc.Text, props, props.LeftMargin, doc.TopMargin.Points()+props.Fontsize)
}
func writeDoc(w http.ResponseWriter, doc *document.Document) {
w.Header().Set("Content-Type", "application/json")
err := json.NewEncoder(w).Encode(doc)
if err != nil {
web.Error(w, err.Error(), http.StatusNotFound)
return
}
}
func deleteDocHandler(w http.ResponseWriter, r *http.Request) {
fmt.Printf("%s %s\n", r.Method, r.URL.Path)
id := assignId(r)
err := DB.Delete(id)
if err != nil {
web.Error(w, err.Error(), http.StatusNotFound)
return
}
}
// editHandler is the handler for showing document edit pages
func editHandler(w http.ResponseWriter, r *http.Request) {
fmt.Printf("%s %s\n", r.Method, r.URL.Path)
fmt.Printf("%s\n", r.Header.Get("Accept"))
templatePath := path.Join(TemplateDir, "main.html")
contentPath := path.Join(TemplateDir, "content.html")
templ, err := template.ParseFiles(templatePath, contentPath)
header := w.Header()
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
fonts := textproc.ListFontFamilies()
sort.Strings(fonts)
defaultDoc := document.DefaultDocument()
defaultDocJSON, err := json.Marshal(defaultDoc)
if err != nil {
panic(err)
}
fontsJSON, err := json.Marshal(fonts)
if err != nil {
panic(err)
}
id := assignId(r)
doc, err := DB.Fetch(id)
if !id.IsNull() && err != nil {
web.Error(w, err.Error(), http.StatusNotFound)
return
}
docJSON, err := json.Marshal(doc)
if err != nil {
panic(err)
}
lengthREString := document.LengthREString()
data := map[string]interface{}{"fonts": template.JS(fontsJSON),
"doc": template.JS(docJSON),
"defaultDoc": template.JS(defaultDocJSON),
"lengthRE": lengthREString}
header.Set("Content-Type", "text/html")
err = templ.Execute(w, data)
if err != nil {
web.Error(w, err.Error(), http.StatusInternalServerError)
return
}
}
func getDocHandler(w http.ResponseWriter, r *http.Request) {
fmt.Printf("%s %s\n", r.Method, r.URL.Path)
id := assignId(r)
doc, err := DB.Fetch(id)
if err != nil {
web.Error(w, err.Error(), http.StatusNotFound)
return
}
writeDoc(w, &doc)
}
func postDocHandler(w http.ResponseWriter, r *http.Request) {
fmt.Printf("%s %s\n", r.Method, r.URL.Path)
doc := document.Document{}
json.NewDecoder(r.Body).Decode(&doc)
err := DB.Add(&doc)
if err != nil {
// Try to figure out what the error was
web.Error(w, err.Error(), http.StatusInternalServerError)
return
}
writeDoc(w, &doc)
}