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Locations module: Implement the backend service

After Locations module: Implement the view model class of the Locations module web service, you need to create the backend service. To do so:

  1. In Visual Studio, in the LocationsModule project, open the context menu of the folder Web and click Services.
    Click Add » Class.
  2. Name the class file LocationsBackendService.cs and click Add.
  3. Open the file LocationsBackendService.cs.
  4. Add the following using statements:
    • using Telerik.Sitefinity.Modules;
    • using LocationsModule.Model;
    • using LocationsModule.Web.Services.Data;
    • using LocationsModule.Data;
    • using Telerik.Sitefinity.Modules.GenericContent;
  5. Make the LocationsBackendService class inherit the ContentServiceBase<LocationItem, LocationItemViewModel, LocationsManager> class:
    public class LocationsBackendService : ContentServiceBase<LocationItem, LocationItemViewModel, LocationsManager>
    {
    }
  6. Implement the abstract members of the ContentServiceBase in the following way:
    public override IQueryable<LocationItem> GetChildContentItems(Guid parentId, string providerName)
    {
        throw new NotImplementedException();
    }
     
    public override LocationItem GetContentItem(Guid id, string providerName)
    {
        return this.GetManager(providerName).GetLocation(id);
    }
     
    public override IQueryable<LocationItem> GetContentItems(string providerName)
    {
        return this.GetManager(providerName).GetLocations();
    }
     
    public override LocationsManager GetManager(string providerName)
    {
        return LocationsManager.GetManager(providerName);
    }
     
    public override LocationItem GetParentContentItem(Guid id, string providerName)
    {
        throw new NotImplementedException();
    }
     
    public override IEnumerable<LocationItemViewModel> GetViewModelList(IEnumerable<LocationItem> contentList, ContentDataProviderBase dataProvider)
    {
        var list = new List<LocationItemViewModel>();
     
        foreach (var location in contentList)
            list.Add(new LocationItemViewModel(location, dataProvider));
     
        return list;
    }

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