using autofac how to inject use databasecontext - Extending Umbraco and using the API

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Dave Hobbs 2 posts 83 karma points

Jan 18, 2018 @ 11:15

0

Using Autofac - how to inject / use DatabaseContext

I've started using Autofac and separated my "services" with the goal I can write unit tests. Some services need to access custom DB tables. What's the best practice for accessing / using the Umbraco DBContext?

I have something like:

But obviously that's not going to be right for unit tests? Do I need some kind of factory / wrapper. Does anyone have any examples of how to do this?

Thanks in advance, Dave

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Tom Steer 161 posts 596 karma points

Jan 18, 2018 @ 13:13
100
Hi Dave,

You should just need to register the DatabaseContext with Autofac container and then put it as a parameter to your constructor.
```
builder.Register(ctx => ApplicationContext.Current.DatabaseContext).ExternallyOwned();
```
Cheers,

Tom
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Dave Hobbs 2 posts 83 karma points

Jan 19, 2018 @ 11:38

Hi Tom,

Brilliant - thanks! That seems to work though I'll confess I'm lost how it's injecting it!

To anyone who finds themselves here it just then needed injecting as

public ClientsDataRepository(DatabaseContext databaseContext)
        {
            //todo: this is not great?! needs a wrapper so I can inject it? 
            //_db = ApplicationContext.Current.DatabaseContext.Database;
            _db = databaseContext.Database;
        }

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Martin Griffiths 826 posts 1269 karma points c-trib

Dec 30, 2020 @ 14:22

0

Hi Dave

Can you provide a little more context into how you used this?

Martin

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Using Autofac - how to inject / use DatabaseContext