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request.go
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request.go
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package raggort
import (
"github.com/miratronix/lingo"
"strconv"
"strings"
"sync"
)
var requestIDLock = &sync.Mutex{}
var requestID = 0
// Request defines a rapport request
type Request struct {
ID string `json:"_rq"`
HTTPRequest *HTTPRequest `json:"_b"`
}
// Method gets the request method
func (r *Request) Method() string {
return r.HTTPRequest.Method
}
// URL gets the request URL
func (r *Request) URL() string {
return r.HTTPRequest.URL
}
// Route gets a route representation of the request
func (r *Request) Route() string {
return r.Method() + " " + r.URL()
}
// RouteWithoutPrefix gets the route string without the prefix
func (r *Request) RouteWithoutPrefix() string {
// No trimmed URL set up yet, get the prefix to force the trim
if r.HTTPRequest.trimmedURL == "" {
r.GetPrefix()
}
return r.Method() + " " + r.HTTPRequest.trimmedURL
}
// GetPrefix gets the first part of the route and removes it from the underlying route
func (r *Request) GetPrefix() string {
// Remove the leading slash
url := strings.TrimPrefix(r.HTTPRequest.URL, "/")
// Split it into two parts
parts := strings.SplitN(url, "/", 2)
// Set the URL to the second part
r.HTTPRequest.trimmedURL = "/" + parts[1]
// Return the first part
return "/" + parts[0]
}
// Body gets the body of the request, parsing it into a validatable format
func (r *Request) Body(destination Validatable) *HTTPResponse {
// If the body is not a map, we can't decode it
cast, ok := r.HTTPRequest.Body.(map[string]interface{})
if !ok {
return NewBadRequestError("Please supply an object body")
}
// Decode the request body
err := lingo.Map.Decode(cast, destination)
if err != nil {
return NewBadRequestError("Failed to decode request")
}
// Validate and return
return destination.Validate()
}
// Int converts the request body to an integer
func (r *Request) Int() (int, *HTTPResponse) {
cast, ok := r.HTTPRequest.Body.(int)
if !ok {
return 0, NewBadRequestError("Please supply an integer")
}
return cast, nil
}
// Bool converts the request body to a boolean
func (r *Request) Bool() (bool, *HTTPResponse) {
cast, ok := r.HTTPRequest.Body.(bool)
if !ok {
return false, NewBadRequestError("Please supply a boolean")
}
return cast, nil
}
// String converts the request body to a string
func (r *Request) String() (string, *HTTPResponse) {
cast, ok := r.HTTPRequest.Body.(string)
if !ok {
return "", NewBadRequestError("Please supply a string")
}
return cast, nil
}
// Float converts the request body to a float value
func (r *Request) Float() (float64, *HTTPResponse) {
// Try it as a float 64
castFloat64, ok := r.HTTPRequest.Body.(float64)
if ok {
return castFloat64, nil
}
// Try it as a float 32
castFloat32, ok := r.HTTPRequest.Body.(float32)
if ok {
return float64(castFloat32), nil
}
// Try it as an int
castInt, ok := r.HTTPRequest.Body.(int)
if ok {
return float64(castInt), nil
}
return 0, NewBadRequestError("Please supply a float")
}
// newEmptyRequest constructs an empty request, which is useful when we need a request to serialize bytes into
func newEmptyRequest() *Request {
return &Request{
HTTPRequest: &HTTPRequest{},
}
}
// newRequest constructs a new request
func newRequest(method string, url string, body interface{}) *Request {
return &Request{
ID: createRequestID(),
HTTPRequest: &HTTPRequest{
Method: method,
URL: url,
Body: body,
},
}
}
// createRequestID creates an ID for a request
func createRequestID() string {
requestIDLock.Lock()
defer requestIDLock.Unlock()
// Don't let request IDs get too large
if requestID >= maxRequestID {
requestID = 0
}
requestID++
return strconv.Itoa(requestID)
}