first commit

api/handlers/api.go

@@ -0,0 +1,77 @@
+package handlers
+
+import (
+	"encoding/json"
+	"io"
+	"net/http"
+
+	"github.com/SowinskiBraeden/SulliCartShare/api"
+	"github.com/SowinskiBraeden/SulliCartShare/models"
+	"github.com/gorilla/mux"
+	"go.uber.org/zap"
+
+	"github.com/SowinskiBraeden/SulliCartShare/config"
+	"github.com/SowinskiBraeden/SulliCartShare/databases"
+)
+
+// App stores the router and db connection so it can be reused
+type App struct {
+	Router   *mux.Router
+	DB       databases.CollectionHelper
+	Config   config.Config
+	dbHelper databases.DatabaseHelper
+}
+
+// New creates a new mux router and all the routes
+func (a *App) New() *mux.Router {
+	r := mux.NewRouter()
+	cow := Cow{DB: databases.NewCowDatabase(a.dbHelper)}
+
+	// healthcheck
+	r.HandleFunc("/health", healthCheckHandler)
+
+	apiCreate := r.PathPrefix("/api/v1").Subrouter()
+
+	apiCreate.Handle("/cow/{cow_id}", api.Middleware(http.HandlerFunc(cow.CowByIDHandler))).Methods("GET") // By Object ID not CowCode
+	apiCreate.Handle("/cows", api.Middleware(http.HandlerFunc(cow.CowHandler))).Methods("GET")
+	apiCreate.Handle("/cows/new", api.Middleware(http.HandlerFunc(cow.NewCowHandler))).Methods("POST")
+	apiCreate.Handle("/cows/update/{cow_id}", api.Middleware(http.HandlerFunc(cow.UpdateCowHandler))).Methods("POST") // By Object ID not CowCode
+
+	return r
+}
+
+func (a *App) Initialize() error {
+	client, err := databases.NewClient(&a.Config)
+	if err != nil {
+		// if we fail to create a new database client, the kill the pod
+		zap.S().With(err).Error("failed to create new client")
+		return err
+	}
+
+	a.dbHelper = databases.NewDatabase(&a.Config, client)
+	err = client.Connect()
+	if err != nil {
+		// if we fail to connect to the database, the kill the pod
+		zap.S().With(err).Error("failed to connect to database")
+		return err
+	}
+	zap.S().Info("SulliCartCheckout has connected to the database")
+
+	// initialize api router
+	a.initializeRoutes()
+	return nil
+
+}
+
+func (a *App) initializeRoutes() {
+	a.Router = a.New()
+}
+
+func healthCheckHandler(w http.ResponseWriter, r *http.Request) {
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(http.StatusOK)
+	b, _ := json.Marshal(models.HealthCheckResponse{
+		Alive: true,
+	})
+	_, _ = io.WriteString(w, string(b))
+}