private Topic GetTopic(DBContext db, entity.Topic topic, entity.db.Source sourceModel, IEnumerable <Category> categories)
{
var existTopic = db.Topics.Find(topic.Guid);
if (existTopic != null)
{
return(existTopic);
}
var topicCategories = categories.Select(category => new TopicCategory {
Category = category
}).ToList();
var dbSources = db.Sources.Find(sourceModel.Id);
existTopic = new Topic
{
Guid = topic.Guid,
Creator = topic.Creator,
Description = topic.Description,
Link = topic.Link,
PublisDate = topic.PublisDate,
Title = topic.Title,
Source = dbSources,
TopicCategories = topicCategories
};
db.Topics.Add(existTopic);
db.SaveChanges();
return(existTopic);
}
public bool SaveTopic(entity.Topic topic, Source source)
{
using (var db = new DBContext())
{
if (db.Topics.Any(dbTopic => dbTopic.Guid == topic.Guid))
{
return(false);
}
var categoriesModel = topic.Categories.Select(category => GetCategory(db, category)).ToList();
var topicModel = GetTopic(db, topic, source, categoriesModel);
db.SaveChanges();
if (topicModel != null)
{
return(true);
}
}
return(false);
}
