57 lines
1.6 KiB
Go
57 lines
1.6 KiB
Go
package router
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import (
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"encoding/json"
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"net/http"
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"github.com/julienschmidt/httprouter"
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)
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// Context is passed to handlers and middlewares
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type Context struct {
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Request *http.Request
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Response http.ResponseWriter
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Param func(string) string
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store map[string]interface{}
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}
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func newContext(res http.ResponseWriter, req *http.Request, param httprouter.Params) *Context {
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return &Context{req, res, param.ByName, make(map[string]interface{})}
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}
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// String returns the given status code and writes the bytes to the body
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func (c *Context) Bytes(code int, b []byte) error {
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c.Response.WriteHeader(code)
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_, err := c.Response.Write(b)
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return err
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}
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// String returns the given status code and writes the string to the body
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func (c *Context) String(code int, s string) error {
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c.Response.WriteHeader(code)
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_, err := c.Response.Write([]byte(s))
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return err
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}
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// NoContent returns the given status code without writing anything to the body
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func (c *Context) NoContent(code int) error {
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c.Response.WriteHeader(code)
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return nil
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}
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// JSON returns the given status code and writes JSON to the body
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func (c *Context) JSON(code int, data interface{}) error {
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c.Response.WriteHeader(code)
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return json.NewEncoder(c.Response).Encode(data) // TODO: Encode to buffer first to prevent partial responses on error
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}
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// Set sets a value in the context. Set is not safe to be used concurrently
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func (c *Context) Set(key string, value interface{}) {
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c.store[key] = value
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}
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// Get retrieves a value from the context.
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func (c *Context) Get(key string) interface{} {
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return c.store[key]
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}
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