Create route and handler for authentication

cmd/api/handlers-api.go

@@ -230,3 +230,28 @@ func (app *application) SaveOrder(order models.Order) (int, error) {
 
 	return id, nil
 }
+
+func (app *application) CreateAuthToken(w http.ResponseWriter, r *http.Request) {
+	var userInput struct {
+		Email    string `json:"email"`
+		Password string `json:"password"`
+	}
+
+	err := app.readJSON(w, r, &userInput)
+	if err != nil {
+		app.badRequest(w, r, err)
+		return
+	}
+
+	var payload struct {
+		Error   bool   `json:"error"`
+		Message string `json:"message"`
+	}
+
+	payload.Error = false
+	payload.Message = "Success!"
+
+	out, _ := json.MarshalIndent(payload, "", "\t")
+	w.Header().Set("Content-Type", "application/json")
+	w.Write(out)
+}

cmd/api/helpers.go

@@ -0,0 +1,47 @@
+package main
+
+import (
+	"encoding/json"
+	"errors"
+	"io"
+	"net/http"
+)
+
+func (app *application) readJSON(w http.ResponseWriter, r *http.Request, data interface{}) error {
+	maxBytes := 1048576
+
+	r.Body = http.MaxBytesReader(w, r.Body, int64(maxBytes))
+
+	dec := json.NewDecoder(r.Body)
+	err := dec.Decode(data)
+	if err != nil {
+		return err
+	}
+
+	// Make sure there is only one entry.
+	err = dec.Decode(&struct{}{})
+	if err != io.EOF {
+		return errors.New("body must only have a single JSON value")
+	}
+
+	return nil
+}
+
+func (app *application) badRequest(w http.ResponseWriter, r *http.Request, err error) error {
+	var payload struct {
+		Error   bool   `json:"error"`
+		Message string `json:"message"`
+	}
+
+	payload.Error = true
+	payload.Message = err.Error()
+
+	out, err := json.MarshalIndent(payload, "", "\t")
+	if err != nil {
+		return err
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	w.Write(out)
+	return nil
+}

cmd/api/routes-api.go

@@ -21,5 +21,8 @@ func (app *application) routes() http.Handler {
 	mux.Post("/api/payment-intent", app.GetPaymentIntent)
 	mux.Get("/api/widget/{id}", app.GetWidgetByID)
 	mux.Post("/api/create-customer-and-subscribe-to-plan", app.CreateCustomerAndSubscribeToPlan)
+
+	mux.Post("/api/authenticate", app.CreateAuthToken)
+
 	return mux
 }

static/js/login.js

@@ -1,5 +1,5 @@
 export function val(api) {
-    let form = document.getElementById("login_form");
+    let form = document.getElementById("login-form");
 
     if (form.checkValidity() === false) {
         this.event.preventDefault();

tmp/air.log

@@ -0,0 +1 @@
+exit status 2exit status 2exit status 2exit status 2exit status 2exit status 2exit status 2exit status 2exit status 2exit status 2exit status 2exit status 2exit status 2