api for initial widgets

routes/userInfo.go

@@ -0,0 +1,55 @@
+package routes
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"strings"
+
+	"github.com/jacobmveber-01839764/BudgetBuddy/db"
+	"go.mongodb.org/mongo-driver/bson"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+)
+
+type UserInfoResponse struct {
+	Name  string `json:"name" bson:"name"`
+	Email string `json:"email" bson:"email"`
+}
+
+func UserInfo(w http.ResponseWriter, r *http.Request) {
+	// get session key from request
+	session := r.Header.Get("x-session-key")
+
+	// get collection handle from db
+	var userCollection = db.Client.Database("budgetbuddy").Collection("users")
+
+	found := userCollection.FindOne(r.Context(), bson.D{primitive.E{Key: "session", Value: strings.ToLower(session)}})
+	if found.Err() != nil {
+		w.WriteHeader(http.StatusUnauthorized)
+		fmt.Fprintf(w, "{\"error\":\"session key invalid\"}")
+		return
+	}
+
+	var user = db.UserSchema{}
+
+	err := found.Decode(&user)
+	if err != nil {
+		w.WriteHeader(http.StatusInternalServerError)
+		fmt.Fprintf(w, "{\"error\":\"problem decoding user\"}")
+		return
+	}
+
+	info := UserInfoResponse{
+		Name:  user.Name,
+		Email: user.Email,
+	}
+
+	ret, err := json.Marshal(info)
+	if err != nil {
+		w.WriteHeader(http.StatusInternalServerError)
+		fmt.Fprintf(w, "{\"error\":\"problem marshalling response\"}")
+		return
+	}
+
+	w.Write(ret)
+}