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render.go
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render.go
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// Copyright (C) 2012 Numerotron Inc.
// Use of this source code is governed by an MIT-style license
// that can be found in the LICENSE file.
package bingo
import (
"encoding/csv"
"encoding/json"
"fmt"
"net/http"
)
type TemplateData map[string]interface{}
func RenderCSV(c Context, records [][]string, filename string) *AppError {
c.Writer().Header().Set("Content-Type", "text/csv")
if len(filename) > 0 {
c.Writer().Header().Set("Content-Disposition", fmt.Sprintf("attachment;filename=%s", filename))
}
encoder := csv.NewWriter(c.Writer())
err := encoder.WriteAll(records)
if err != nil {
return ServerError(err, "csv encode error")
}
return nil
}
func RenderString(c Context, content string) *AppError {
c.Writer().Header().Set("Content-Type", "text/html")
c.Writer().Write([]byte(content))
return nil
}
func RenderJS(c Context, js string) *AppError {
c.Writer().Header().Set("Content-Type", "text/javascript")
c.Writer().Write([]byte(js))
return nil
}
func RenderJSON(c Context, obj interface{}) *AppError {
c.Writer().Header().Set("Content-Type", "application/json")
encoder := json.NewEncoder(c.Writer())
err := encoder.Encode(obj)
if err != nil {
return ServerError(err, "json encode error")
}
return nil
}
func RenderJSONP(c Context, obj interface{}, jsonpCallback string) *AppError {
c.Writer().Header().Set("Content-Type", "application/json")
c.Writer().Write([]byte(jsonpCallback + "("))
encoder := json.NewEncoder(c.Writer())
err := encoder.Encode(obj)
if err != nil {
return ServerError(err, "json encode error")
}
c.Writer().Write([]byte(");"))
return nil
}
func RenderAtom(template string, data interface{}, context Context) *AppError {
context.Writer().Header().Set("Content-Type", "application/atom+xml")
return RenderNoLayout(template, data, context)
}
var serverErrorTemplateName string
func renderError(c Context, message string) {
c.Writer().WriteHeader(http.StatusInternalServerError)
if len(serverErrorTemplateName) > 0 {
RenderNoLayout(serverErrorTemplateName, nil, c)
return
}
fmt.Fprintf(c.Writer(), "Server error.")
//fmt.Fprintf(c.Writer(), string(serverErrorFunction(c, message)))
}
var notFoundTemplateName string
func renderNotFound(c Context) {
c.Writer().WriteHeader(http.StatusNotFound)
if len(notFoundTemplateName) > 0 {
RenderNoLayout(notFoundTemplateName, nil, c)
return
}
fmt.Fprintf(c.Writer(), "Page not found.")
}