Mongoose for Application Development by Simon Holmes

By Simon Holmes

Mongoose is all approximately placing the knowledge version the place it's going to be: on your program. you could keep an eye on every thing from inside your program in JavaScript, getting rid of the necessity to paintings with the database or a separate administration system.

Mongoose for program improvement is a pragmatic, hands-on consultant that takes you from fitting the expertise stack in the course of the steps of constructing an internet program. It covers the most important good points of Mongoose and the way to take advantage of them to speedily improve a Node.js and MongoDB application.

This booklet introduces the whole know-how stack of Node.js, MongoDB, convey, and Mongoose. it's going to take you thru the method of establishing an program in this stack with a spotlight on how Mongoose makes the method faster and easier.

You will see how Mongoose eliminates a layer of complexity while facing MongoDB when supplying you with extra keep an eye on over your information out of your program. you'll how to outline schemas and types in your info in JavaScript. utilizing those schemas and types, you are going to tips on how to construct the cornerstone of any internet software that might comprise CRUD operations (creating, analyzing, updating, and deleting data). that will how one can construct functions speedy and successfully utilizing Node.js, then Mongoose and this e-book are perfect for you.

Using sensible examples all through, Mongoose for program improvement not just teaches you in regards to the strategies of Mongoose, yet walks via the right way to use them to construct a real-life software.

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Now }, createdBy: String, tasks: String }); This is our starting point, and we will build upon it when we look at more complex schemas in Chapter 10, Complex Schemas. For now we have these basic data objects as mentioned previously in this chapter. 032Z"), "__v" : 0 } [ 39 ] Schemas and Models Improving the Project schema Throughout the rest of the book we will be improving this schema, but the beauty of using Mongoose is that we can do this relatively easily. Putting together a basic schema like this to build upon is a great approach for prototyping—you have the data you need there, and can add complexity where you need, when you need it.

With this 1:1 relationship, it is the model that handles all document interaction— creating, reading, saving, and deleting. This makes the model a very powerful tool. Building the model, as we have seen, is pretty straightforward. model( 'User', userSchema ); If using a named Mongoose connection, the approach is very similar. model( 'User', userSchema ); Instances We'll be looking at how we interact with the data in the next chapter, but it is useful to have a good understanding of how a model works.

Boolean This SchemaType has only two values: true or false. Buffer This SchemaType is primarily used for storing binary information, for example, images stored in MongoDB. ObjectId This SchemaType is used to assign a unique identifier to a key other than _id, for example, a foreign key for referencing another document (see Chapter 10, Complex Schemas for more about this). ObjectId. ObjectId }); Mixed A mixed data object can contain any type of data. Mixed. Mixed }); [ 33 ] Schemas and Models While this sounds like it might be great, there is a big caveat.

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