Snap.Snaplet.MongoDB.Functions.S

In this module you can find variations of withDB functions.

Functions from this module are to be used when you have single MongoDB snaplet in your application and your application is an instance of HasMongoDB.

Documentation

eitherWithDB

Arguments

:: (MonadIO m, MonadState app m, HasMongoDB app)

=> Action IO a

Action you want to perform.

-> m (Either Failure a)

Either Failure or the action's result.

Database access function.

Usage:

 eitherWithDB $ insert "test-collection" [ "some_field" = "something" ]

eitherWithDB'

Arguments

:: (MonadIO m, MonadState app m, HasMongoDB app)

=> AccessMode

Access mode you want to use when performing the action.

-> Action IO a

Action you want to perform.

-> m (Either Failure a)

Either Failure or the action's result.

Database access function.

Usage:

 eitherWithDB' UnconfirmedWrites $ insert "test-collection" [ "some_field" = "something" ]

maybeWithDB

Arguments

:: (MonadIO m, MonadState app m, HasMongoDB app)

=> Action IO a

Action you want to perform.

-> m (Maybe a)

Nothing in case of failure or Just the result of the action.

Database access function.

Usage:

 maybeWithDB $ insert "test-collection" [ "some_field" = "something" ]

maybeWithDB'

Arguments

:: (MonadIO m, MonadState app m, HasMongoDB app)

=> AccessMode

Access mode you want to use when performing the action.

-> Action IO a

Action you want to perform.

-> m (Maybe a)

Nothing in case of failure or Just the result of the action.

Database access function.

Usage:

 maybeWithDB' UnconfirmedWrites $ insert "test-collection" [ "some_field" = "something" ]

unsafeWithDB

Arguments

:: (MonadIO m, MonadState app m, HasMongoDB app)

=> Action IO a

Action you want to perform.

-> m a

The action's result; in case of failure error is called.

Database access function.

Usage:

 unsafeWithDB $ insert "test-collection" [ "some_field" = "something" ]

unsafeWithDB'

Arguments

:: (MonadIO m, MonadState app m, HasMongoDB app)

=> AccessMode

Access mode you want to use when performing the action.

-> Action IO a

Action you want to perform.

-> m a

The action's result; in case of failure error is called.

Database access function.

Usage:

 unsafeWithDB' UnconfirmedWrites $ insert "test-collection" [ "some_field" = "something" ]