示例#1
0
        public async Task <IActionResult> GetProfile()
        {
            ObjectId currentUser = ObjectId.Parse(User.FindFirst(ClaimTypes.NameIdentifier).Value);

            // basic info
            var mongoDb        = _mongoService.GetDb;
            var mongoSettings  = _mongoService.GetDBSettings;
            var userCollection = mongoDb.GetCollection <Models.User>(mongoSettings.UserCollectionName);
            var filterUser     = Builders <Models.User> .Filter.Eq(u => u.Id, currentUser);

            var user = (await userCollection.FindAsync <Models.User>(filterUser)).FirstOrDefault();

            var ratingQuery = _neoContext.Cypher
                              .OptionalMatch("(u:User {Id:'" + currentUser.ToString() + "'})-[rel:CREATED]->(t:Ticket)<-[:UPVOTED]-(u2:User)")
                              .With("count(u2) AS ups")
                              .OptionalMatch("(u)-[rel2:CREATED]->(t:Ticket)<-[:DOWNVOTED]-(u3:User)")
                              .With("ups - count(u3) AS res")
                              .Return <int>("res");
            var ratingQueryText = ratingQuery.Query.DebugQueryText;
            var rating          = await ratingQuery.ResultsAsync;

            var topics = await _neoContext.Cypher
                         .Match("(u:User {Id:'" + currentUser.ToString() + "'})-[rel:INTERESTED]->(t:Topic)")
                         .With("t.Name AS Name")
                         .Return((Name) => new
            {
                Name = Name.As <string>()
            })
                         .ResultsAsync;

            var otherTopicsQuery = _neoContext.Cypher
                                   .Match("(u:User {Id:'" + currentUser.ToString() + "'})")
                                   .Match("(t:Topic)")
                                   .Where("NOT (u)-[:INTERESTED]->(t)")
                                   .With("t.Name AS Name")
                                   .Return((Name) => new
            {
                Name = Name.As <string>()
            });
            var otherTopicsQueryText = otherTopicsQuery.Query.DebugQueryText;
            var otherTopics          = await otherTopicsQuery
                                       .ResultsAsync;

            var returnDTO = new UserProfileDTO
            {
                Username    = user.Username,
                LikedTopics = topics.Select(x => x.Name).ToList(),
                OtherTopics = otherTopics.Select(x => x.Name).ToList(),
                Rating      = rating.ToList()[0]
            };

            return(Ok(returnDTO));
        }