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theteachr/response.go

Last active June 2, 2024 10:58
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Revisions

  1. theteachr revised this gist Jun 2, 2024. No changes.
  2. theteachr created this gist May 13, 2024.
    68 changes: 68 additions & 0 deletions response.go
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,68 @@
    package main

    import (
    "fmt"
    "io"
    "strings"
    )

    type Header struct {
    Key string
    Val string
    }

    type ResponseBuilder struct {
    StatusCode int
    Headers []Header
    Body io.Reader
    }

    type Response ResponseBuilder

    func (r *Response) Send() {
    fmt.Printf("Sending response: %+v\n", *r)
    }

    type (
    NewResponse interface {
    Status(int) WithHeaders
    }

    WithHeaders interface {
    AddHeader(k string, v string) WithHeaders
    SetBody(io.Reader) WithHeaders
    Build() *Response
    }
    )

    func (r *ResponseBuilder) Status(code int) WithHeaders {
    r.StatusCode = code
    return r
    }

    func (r *ResponseBuilder) AddHeader(k string, v string) WithHeaders {
    r.Headers = append(r.Headers, Header{k, v})
    return r
    }

    func (r *ResponseBuilder) SetBody(body io.Reader) WithHeaders {
    r.Body = body
    return r
    }

    func (r *ResponseBuilder) Build() *Response {
    response := Response(*r)
    return &response
    }

    func main() {
    var builder NewResponse = &ResponseBuilder{}

    builder.
    Status(200).
    SetBody(strings.NewReader("asf")).
    AddHeader("Content", "json").
    AddHeader("Un", "").
    Build().
    Send()
    }