MongoClient: Reads the server instance for running database operations. The BooksService class uses the following MongoDB.Driver members to run CRUD operations against the database:
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Per the official Mongo Client reuse guidelines, MongoClient should be registered in DI with a singleton service lifetime.Īdd the following code to the top of Program.cs to resolve the BooksService reference: using BookStoreApi.Services The singleton service lifetime is most appropriate because BooksService takes a direct dependency on MongoClient. In the preceding code, the BooksService class is registered with DI to support constructor injection in consuming classes. This technique provides access to the appsettings.json configuration values that were added in the Add a configuration model section. In the preceding code, a BookStoreDatabaseSettings instance is retrieved from DI via constructor injection. Public async Task RemoveAsync(string id) =>Īwait _booksCollection.DeleteOneAsync(x => x.Id = id) Public async Task UpdateAsync(string id, Book updatedBook) =>Īwait _booksCollection.ReplaceOneAsync(x => x.Id = id, updatedBook) Public async Task CreateAsync(Book newBook) =>Īwait _booksCollection.InsertOneAsync(newBook) _booksCollection = mongoDatabase.GetCollection(ī) Īwait _booksCollection.Find(_ => true).ToListAsync() Īwait _booksCollection.Find(x => x.Id = id).FirstOrDefaultAsync() Var mongoDatabase = mongoClient.GetDatabase(ī) Private readonly IMongoCollection _booksCollection ī) For example, the BookStoreDatabaseSettings object's ConnectionString property is populated with the BookStoreDatabase:ConnectionString property in appsettings.json.Īdd the following code to the top of Program.cs to resolve the BookStoreDatabaseSettings reference: using BookStoreApi.Models Īdd a Services directory to the project root.Īdd a BooksService class to the Services directory with the following code: using BookStoreApi.Models In the preceding code, the configuration instance to which the appsettings.json file's BookStoreDatabase section binds is registered in the Dependency Injection (DI) container. The JSON and C# property names are named identically to ease the mapping process.Īdd the following highlighted code to Program.cs: var builder = WebApplication.CreateBuilder(args) ī("BookStoreDatabase")) The preceding BookStoreDatabaseSettings class is used to store the appsettings.json file's BookStoreDatabase property values. The following result is displayed: = null! If the database does exist, its connection is opened for transactions.Ĭreate a Books collection using following command: db.createCollection('Books') Run the following command in a command shell: use BookStoreĪ database named BookStore is created if it doesn't already exist. Connect to the default test database by running the following command: mongosh Remember to replace with the directory you chose in the previous step. Run the following command to connect to MongoDB on default port 27017.
The mongo Shell doesn't create new directories. Create the directory if it doesn't exist. For more information on MongoDB Shell commands, see mongosh.Ĭhoose a directory on your development machine for storing the data. Use the previously installed MongoDB Shell in the following steps to create a database, make collections, and store documents. This change enables MongoDB access from anywhere on your development machine. Add C:\Program Files\MongoDB\Server\\bin to the Path environment variable. On Windows, MongoDB is installed at C:\Program Files\MongoDB by default.
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You can follow these instructions on macOS, Linux, or Windows and with any code editor. NET CLI for ASP.NET Core development functions such as project creation. The Visual Studio Code instructions use the. C# for Visual Studio Code (latest version).Visual Studio 2022 with the ASP.NET and web development workload.
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