AngularJS Typeahead prepopulation

I have a typeahead that I want to contain a description but store the Id.

I'm currently doing it something like this...

            <input type="text"
                ng-model="SelectedWarehouse.Info"
                typeahead="whs.info for whs in warehouses($viewValue)"
                typeahead-on-select="POHeader.warehouseId=$item.id;"
                class="form-control input-sm "
                id="whs" placeholder="Warehouse"
                ng-disabled="isReadOnly"
                typeahead-wait-ms="500"
                ng-enter="say('hello');" />

Where the jsonp that I get from the $scope.warehouses function looks something like this: ([{"id":"10", "info": "Lakeland (10)"}, {"id":"11", "info": "Denver (11)"}]) of course along with the appropriate jsonp callback info -- this is just an example

The sloppy part of it is this: When the screen opens the $scope.SelectedWarehouse is not populated with anything. I then wrote something to pre-populate the SelectedWarehouse but there has to be a better way to do this using typeahead.

What's the right/good/best (pick one) way to do this?

Another problem is not knowing when my async call will actually populate my objects. Promises promises... I thought I'd try using the ng-change function call hoping that when the data gets populated the ng-change function would fire ... so far that didn't work. I'm not quite done experimenting with that though...

Here's part of my $resource factory. What would I need to do to get a success call working with this?

 ipoModule.factory('SearchRepository', function ($resource) {
    return {
        get: function (txt) {
            return $resource('/api/Search?SearchText=' + txt).query()
        },
        getBuyers: function () {
            return $resource('api/Buyers').query()
        },
        getVendors: function () {
            return $resource('api/Vendors').query()
        },
        getVendorSearch: function (txt) {
            return $resource('api/Vendors/' + txt + "?callback=JSON_CALLBACK").query()
        }, ....

Any ideas?

Best How To :

I made my own work-around because I couldn't get the pre-population to work with a typeahead.

   <input type="text"
        ng-model="POHeader.SelectedWarehouse"
        typeahead="whs.info for whs in warehouses($viewValue)"
        typeahead-on-select="POHeader.warehouseId=$item.id;"
        class="form-control input-sm "
        id="whs" placeholder="Warehouse"
        ng-disabled="isReadOnly"
        typeahead-wait-ms="500" />

I changed the view that populates the POHeader to include a field called SelectedWarehouse. This is my pre-formatted typeahead value which looks the same as the whs.info returned from the typeahead warehouses list.

It's not ideal but it works and I can't afford to waste more time on this.

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