add post userbook

needed a refactor to check the id in db during dto validation

internal/routes/userbookpostcreate.go

@@ -0,0 +1,37 @@
+package routes
+
+import (
+	"net/http"
+
+	"git.artlef.fr/PersonalLibraryManager/internal/appcontext"
+	"git.artlef.fr/PersonalLibraryManager/internal/dto"
+	"git.artlef.fr/PersonalLibraryManager/internal/mapper"
+	"git.artlef.fr/PersonalLibraryManager/internal/model"
+	"git.artlef.fr/PersonalLibraryManager/internal/myvalidator"
+)
+
+func PostUserBookHandler(ac appcontext.AppContext) {
+	var userbook dto.UserBookPostCreate
+	err := ac.C.ShouldBindJSON(&userbook)
+	if err != nil {
+		myvalidator.ReturnErrorsAsJsonResponse(&ac, err)
+		return
+	}
+	err = myvalidator.ValidateId(ac.Db, userbook.BookID, &model.Book{})
+	if err != nil {
+		myvalidator.ReturnErrorsAsJsonResponse(&ac, err)
+		return
+	}
+	user, fetchUserErr := ac.GetAuthenticatedUser()
+	if fetchUserErr != nil {
+		myvalidator.ReturnErrorsAsJsonResponse(&ac, err)
+		return
+	}
+	userbookDb := mapper.UserBookWsToDb(userbook, &user)
+	err = ac.Db.Save(&userbookDb).Error
+	if err != nil {
+		myvalidator.ReturnErrorsAsJsonResponse(&ac, err)
+		return
+	}
+	ac.C.String(http.StatusOK, "Success")
+}