add bookingHandler

api/handlers/booking.go

@@ -0,0 +1,55 @@
+package handlers
+
+import (
+	"context"
+	"encoding/json"
+	"net/http"
+	"time"
+
+	"go.mongodb.org/mongo-driver/bson"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+
+	"github.com/SowinskiBraeden/SulliCartShare/config"
+	"github.com/SowinskiBraeden/SulliCartShare/models"
+	"github.com/gorilla/mux"
+)
+
+func (c Cow) BookingHandler(w http.ResponseWriter, r *http.Request) {
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	var bookingDetails models.BookDetails // Json data will represent the cow details model
+	defer cancel()
+
+	// validate the request body
+	if err := json.NewDecoder(r.Body).Decode(&bookingDetails); err != nil {
+		config.ErrorStatus("failed to unpack request body", http.StatusInternalServerError, w, err)
+		return
+	}
+
+	// use the validator library to validate required fields
+	if validationErr := validate.Struct(&bookingDetails); validationErr != nil {
+		config.ErrorStatus("invalid request body", http.StatusBadRequest, w, validationErr)
+		return
+	}
+
+	cowID := mux.Vars(r)["cow_id"]
+
+	cID, err := primitive.ObjectIDFromHex(cowID)
+	if err != nil {
+		config.ErrorStatus("failed to get objectID from Hex", http.StatusBadRequest, w, err)
+		return
+	}
+
+	dbResp, err := c.DB.UpdateOne(ctx, bson.M{"_id": cID}, bson.M{"$push": bson.M{"Cow.Bookings": bookingDetails}})
+	if err != nil {
+		config.ErrorStatus("the booking could not be added to the cow", http.StatusNotFound, w, err)
+		return
+	}
+
+	b, err := json.Marshal(models.UserResponse{Status: http.StatusOK, Message: "success", Data: map[string]interface{}{"result": dbResp}})
+	if err != nil {
+		config.ErrorStatus("failed to marshal response", http.StatusInternalServerError, w, err)
+		return
+	}
+	w.WriteHeader(http.StatusOK)
+	w.Write(b)
+}