示例#1
0
        public void Upsert()
        {
            string projectId   = _fixture.ProjectId;
            string namespaceId = _fixture.NamespaceId;

            // Snippet: Upsert(Entity[])
            DatastoreDb db         = DatastoreDb.Create(projectId, namespaceId);
            KeyFactory  keyFactory = db.CreateKeyFactory("book");
            Entity      book1      = new Entity
            {
                Key                  = keyFactory.CreateIncompleteKey(),
                ["author"]           = "Harper Lee",
                ["title"]            = "Tequila Mockingbird",
                ["publication_date"] = new DateTime(1960, 7, 11, 0, 0, 0, DateTimeKind.Utc),
                ["genres"]           = new[] { "Southern drama", "Courtroom drama", "Bildungsroman" }
            };

            db.Insert(book1);

            using (DatastoreTransaction transaction = db.BeginTransaction())
            {
                // Correct the typo in memory
                book1["title"] = "To Kill a Mockingbird";

                Entity book2 = new Entity
                {
                    Key                  = keyFactory.CreateIncompleteKey(),
                    ["author"]           = "Charlotte Brontë",
                    ["title"]            = "Jane Eyre",
                    ["publication_date"] = new DateTime(1847, 10, 16, 0, 0, 0, DateTimeKind.Utc),
                    ["genres"]           = new[] { "Gothic", "Romance", "Bildungsroman" }
                };

                // This adds the entities to a collection of mutations in memory: nothing
                // is sent to the server.
                transaction.Upsert(book1, book2);
                // Without the Commit call, the transaction will automatically
                // be rolled back. The Commit call performs all the mutations
                // within the transaction.
                transaction.Commit();
            }
            // End snippet
        }
示例#2
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        public void UpdateEntity()
        {
            string projectId   = _fixture.ProjectId;
            string namespaceId = _fixture.NamespaceId;
            Key    key         = _fixture.LearnDatastoreKey;

            // Sample: UpdateEntity
            DatastoreClient client        = DatastoreClient.Create();
            ByteString      transactionId = client.BeginTransaction(projectId).Transaction;

            using (DatastoreTransaction transaction = DatastoreTransaction.Create(client, projectId, namespaceId, transactionId))
            {
                Entity entity = transaction.Lookup(key);
                entity["priority"] = 5;
                transaction.Update(entity);
                transaction.Commit();
            }
            // End sample
        }
示例#3
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        private void UpsertLocation(DatastoreTransaction transaction, Location location)
        {
            Entity dbLocation = null;

            if (location.Id > 0)
            {
                dbLocation = transaction.Lookup(_keyFactory.CreateKey(location.Id));
            }

            if (dbLocation == null)
            {
                dbLocation = new Entity
                {
                    Key = _keyFactory.CreateIncompleteKey()
                };
            }

            location.Update(dbLocation);
            transaction.Upsert(dbLocation);
        }
示例#4
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        public async Task RollbackAsync()
        {
            string projectId   = _fixture.ProjectId;
            string namespaceId = _fixture.NamespaceId;

            // Snippet: RollbackAsync(*)
            DatastoreDb db         = DatastoreDb.Create(projectId, namespaceId);
            KeyFactory  keyFactory = db.CreateKeyFactory("message");

            // Dispose automatically rolls back an uncommitted transaction synchronously.
            // To roll back asynchronously,
            bool committed = false;
            DatastoreTransaction transaction = await db.BeginTransactionAsync();

            try
            {
                Entity message = new Entity
                {
                    Key      = keyFactory.CreateIncompleteKey(),
                    ["text"] = "Hello",
                };
                // This adds the entity to a collection in memory: nothing
                // is sent to the server.
                db.Insert(message);

                // Attempt to commit the transaction asynchronously.
                await transaction.CommitAsync();

                committed = true;
            }
            finally
            {
                if (!committed)
                {
                    // Roll back asynchronously if anything failed.
                    await transaction.RollbackAsync();
                }
            }
            // End snippet
        }
示例#5
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        public void DeleteEntity()
        {
            string projectId   = _fixture.ProjectId;
            string namespaceId = _fixture.NamespaceId;

            // Snippet: Delete(Entity[])
            DatastoreDb db         = DatastoreDb.Create(projectId, namespaceId);
            KeyFactory  keyFactory = db.CreateKeyFactory("message");
            Entity      message    = new Entity
            {
                Key      = keyFactory.CreateIncompleteKey(),
                ["text"] = "Hello",
            };

            db.Insert(message);

            Entity fetchedBeforeDeletion = db.Lookup(message.Key);

            using (DatastoreTransaction transaction = db.BeginTransaction())
            {
                // This adds the entity key to a collection of mutations in memory: nothing
                // is sent to the server. Only the key from the entity is used to determine what to delete.
                // If you already have the key but not the entity, use Delete(Key[]) or
                // a similar overload.
                transaction.Delete(message);
                // Without the Commit call, the transaction will automatically
                // be rolled back. The Commit call performs all the mutations
                // within the transaction.
                transaction.Commit();
            }

            Entity fetchedAfterDeletion = db.Lookup(message.Key);

            Console.WriteLine($"Entity exists before deletion? {fetchedBeforeDeletion != null}");
            Console.WriteLine($"Entity exists after deletion? {fetchedAfterDeletion != null}");
            // End snippet

            Assert.NotNull(fetchedBeforeDeletion);
            Assert.Null(fetchedAfterDeletion);
        }
示例#6
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        public ActionResult <object> Register([FromBody] User user)
        {
            Environment.SetEnvironmentVariable(
                "GOOGLE_APPLICATION_CREDENTIALS",
                Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "fsndigital-cred.json"));

            DatastoreDb db = DatastoreDb.Create("fsndigital", "Users", DatastoreClient.Create());

            string kind = "user";

            KeyFactory keyFactory = db.CreateKeyFactory(kind);
            Key        key        = keyFactory.CreateKey(user.Email);

            var task = new Entity
            {
                Key          = key,
                ["TypeId"]   = user.TypeId,
                ["UserName"] = user.UserName,
                ["Email"]    = user.Email,
                ["Password"] = user.Password,
            };

            Entity check = db.Lookup(task.Key);

            if (check != null)
            {
                return(Ok(new { succeeded = false, message = "An account with that email already exists." }));
            }



            using (DatastoreTransaction transaction = db.BeginTransaction())
            {
                transaction.Upsert(task);
                transaction.Commit();
            }

            return(Ok(new { succeeded = true }));
        }
示例#7
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        public void Save(T obj)
        {
            DatastoreDb db = DatastoreDb.Create("fantasyfootball-204922", "default");

            KeyFactory keyFactory = db.CreateKeyFactory(obj.Kind);
            Entity     entity     = new Entity
            {
                Key         = keyFactory.CreateKey(obj.id),
                ["updated"] = DateTime.UtcNow,
                ["text"]    = JsonConvert.SerializeObject(obj),
                ["tags"]    = obj.Tags.ToArray()
            };

            using (DatastoreTransaction transaction = db.BeginTransaction())
            {
                transaction.Upsert(entity);
                CommitResponse commitResponse = transaction.Commit();
                Key            insertedKey    = commitResponse.MutationResults[0].Key;
                Console.WriteLine($"Inserted key: {insertedKey}");
                // The key is also propagated to the entity
                Console.WriteLine($"Entity key: {entity.Key}");
            }
        }
示例#8
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        public void Update()
        {
            string projectId   = _fixture.ProjectId;
            string namespaceId = _fixture.NamespaceId;

            // Snippet: Update(Entity[])
            DatastoreDb db         = DatastoreDb.Create(projectId, namespaceId);
            KeyFactory  keyFactory = db.CreateKeyFactory("book");
            Entity      book       = new Entity
            {
                Key                  = keyFactory.CreateIncompleteKey(),
                ["author"]           = "Harper Lee",
                ["title"]            = "Tequila Mockingbird",
                ["publication_date"] = new DateTime(1960, 7, 11, 0, 0, 0, DateTimeKind.Utc),
                ["genres"]           = new[] { "Southern drama", "Courtroom drama", "Bildungsroman" }
            };

            db.Insert(book);

            using (DatastoreTransaction transaction = db.BeginTransaction())
            {
                // Correct the typo in memory
                book["title"] = "To Kill a Mockingbird";
                // This adds the entity to a collection of mutations in memory: nothing
                // is sent to the server.
                transaction.Update(book);
                // Without the Commit call, the transaction will automatically
                // be rolled back. The Commit call performs all the mutations
                // within the transaction.
                transaction.Commit();
            }
            // End snippet

            var fetched = db.Lookup(book.Key);

            Assert.Equal("To Kill a Mockingbird", (string)fetched["title"]);
        }
        public void AddEntity()
        {
            string projectId   = _fixture.ProjectId;
            string namespaceId = _fixture.NamespaceId;

            // Sample: AddEntity
            DatastoreClient client     = DatastoreClient.Create();
            KeyFactory      keyFactory = new KeyFactory(projectId, namespaceId, "book");
            Entity          book1      = new Entity
            {
                Key                  = keyFactory.CreateIncompleteKey(),
                ["author"]           = "Harper Lee",
                ["title"]            = "To Kill a Mockingbird",
                ["publication_date"] = new DateTime(1960, 7, 11, 0, 0, 0, DateTimeKind.Utc),
                ["genres"]           = new[] { "Southern drama", "Courtroom drama", "Bildungsroman" }
            };
            Entity book2 = new Entity
            {
                Key                  = keyFactory.CreateIncompleteKey(),
                ["author"]           = "Charlotte Brontë",
                ["title"]            = "Jane Eyre",
                ["publication_date"] = new DateTime(1847, 10, 16, 0, 0, 0, DateTimeKind.Utc),
                ["genres"]           = new[] { "Gothic", "Romance", "Bildungsroman" }
            };

            ByteString transactionId = client.BeginTransaction(projectId).Transaction;

            using (DatastoreTransaction transaction = DatastoreTransaction.Create(client, projectId, namespaceId, transactionId))
            {
                transaction.Insert(book1, book2);
                CommitResponse    response     = transaction.Commit();
                IEnumerable <Key> insertedKeys = response.MutationResults.Select(r => r.Key);
                Console.WriteLine($"Inserted keys: {string.Join(",", insertedKeys)}");
            }
            // End sample
        }
示例#10
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        public void Firebase_Connection()
        {
            string path = AppDomain.CurrentDomain.BaseDirectory + @"safe-zone-child-firebase-adminsdk-mq2cq-8ea2101a36.json";

            Environment.SetEnvironmentVariable("GOOGLE_APPLICATION_CREDENTIALS", path);

            // Your Google Cloud Platform project ID.
            string projectId = "safe-zone-child";

            // Instantiates a client
            DatastoreDb db = DatastoreDb.Create(projectId);


            // The kind for the new entity
            string kind = "Task";
            // The name/ID for the new entity
            string     name       = "sampletask1";
            KeyFactory keyFactory = db.CreateKeyFactory(kind);
            // The Cloud Datastore key for the new entity
            Key key = keyFactory.CreateKey(name);

            var task = new Entity
            {
                Key             = key,
                ["description"] = "8888Buy milk"
            };

            using (DatastoreTransaction transaction = db.BeginTransaction())
            {
                // Saves the task
                transaction.Upsert(task);
                transaction.Commit();

                Console.WriteLine($"Saved {task.Key.Path[0].Name}: {(string)task["description"]}");
            }
        }
        public async Task <long> AddAsync(Customer customer)
        {
            var        db         = _datastoreManager.GetDatastore();
            KeyFactory keyFactory = db.CreateKeyFactory(EntityKind);

            Entity entity = new Entity
            {
                Key = keyFactory.CreateIncompleteKey()
            };

            MapCustomerToEntity(customer, entity);

            using (DatastoreTransaction transaction = await db.BeginTransactionAsync())
            {
                transaction.Insert(entity);
                CommitResponse commitResponse = await transaction.CommitAsync();

                Key insertedKey = commitResponse.MutationResults[0].Key;

                //TODO - Logging

                return(insertedKey.Path[0].Id);
            }
        }
示例#12
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        public IActionResult CreateQuestion(Question ques)
        {
            // Instantiates a client
            DatastoreDb db = DatastoreDb.Create(projectId);

            // The kind for the new entity
            string     kind       = "Questions";
            KeyFactory keyFactory = db.CreateKeyFactory(kind);
            // The Cloud Datastore key for the new entity
            //Key key = keyFactory.CreateKey(name);

            var task = new Entity
            {
                Key               = keyFactory.CreateIncompleteKey(),
                ["Author"]        = ques.Author,
                ["Quiz"]          = ques.Quiz,
                ["Title"]         = ques.Title,
                ["Answer1"]       = ques.Answer1,
                ["Answer2"]       = ques.Answer2,
                ["Answer3"]       = ques.Answer3,
                ["Answer4"]       = ques.Answer4,
                ["CorrectAnswer"] = ques.CorrectAnswer
            };

            using (DatastoreTransaction transaction = db.BeginTransaction())
            {
                // Saves the task
                task.Key = db.Insert(task);
                //transaction.Upsert(task);
                transaction.Commit();

                Console.WriteLine($"Saved {task.Key.Path[0].Name}: {(string)task["Quiz"]}");
            }

            return(RedirectToAction("QuestionList", "Home"));
        }