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https://github.com/writeas/impart

Utilities for a JSON-based API.
https://github.com/writeas/impart

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Utilities for a JSON-based API.

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impart
======

![MIT license](https://img.shields.io/github/license/writeas/impart.svg) [![#writeas on freenode](https://img.shields.io/badge/freenode-%23writeas-blue.svg)](http://webchat.freenode.net/?channels=writeas) [![Discuss on our forum](https://img.shields.io/discourse/https/discuss.write.as/users.svg?label=forums)](https://discuss.write.as/c/development)

**impart** is a library for the final layer between the API and the consumer. It's used in the latest [Write.as](https://write.as) and [HTMLhouse](https://html.house) APIs.

We're still in the early stages of development, so there may be breaking changes.

## Example use

```go
package main

import (
"fmt"
"github.com/writeas/impart"
"net/http"
)

type handlerFunc func(w http.ResponseWriter, r *http.Request) error

func main() {
http.HandleFunc("/", handle(index))
http.ListenAndServe("127.0.0.1:8080", nil)
}

func index(w http.ResponseWriter, r *http.Request) error {
fmt.Fprintf(w, "Hello world!")

return nil
}

func handle(f handlerFunc) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
handleError(w, r, func() error {
// Do authentication...

// Handle the request
err := f(w, r)

// Log the request and result...

return err
}())
}
}

func handleError(w http.ResponseWriter, r *http.Request, err error) {
if err == nil {
return
}

if err, ok := err.(impart.HTTPError); ok {
impart.WriteError(w, err)
return
}

impart.WriteError(w, impart.HTTPError{http.StatusInternalServerError, "Internal server error :("})
}
```