56 lines
938 B
Go
56 lines
938 B
Go
package main
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import (
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"encoding/json"
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"fmt"
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"log"
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"math/rand"
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"net/http"
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)
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type prob struct {
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Operation string
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First int
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Second int
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}
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type JsonHandler func(http.ResponseWriter, *http.Request)
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func (h JsonHandler) ServeHTTP(w http.ResponseWriter, req *http.Request) {
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w.Header().Set("Content-Type", "application/json")
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h(w, req)
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}
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func problem(w http.ResponseWriter, req *http.Request) {
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operation := "+"
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if r := rand.Intn(2); r == 0 {
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operation = "-"
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}
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first := rand.Intn(MAX)
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var second int
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if operation == "-" {
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if first == 0 {
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second = 0
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} else {
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second = rand.Intn(first)
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}
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} else {
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second = rand.Intn(MAX)
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}
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r := prob{operation, first, second}
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b, err := json.Marshal(r)
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if err != nil {
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log.Fatal("issue with json marshalling")
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}
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j := string(b)
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fmt.Println(j)
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fmt.Fprintf(w, j)
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}
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func attempt(w http.ResponseWriter, req *http.Request) {
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fmt.Fprintf(w, "hello world")
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}
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