/// <summary>
/// Initializes a new instance of the
/// <see cref="T:HospitalAllocation.Providers.Allocation.JsonFile.AllocationJsonFileStore"/> class.
/// </summary>
/// <param name="file">The file backing the JSON store</param>
/// <param name="allocation">The initial allocation data for the file store</param>
private AllocationJsonFileStore(FileInfo file, IcuAllocation allocation)
{
_jsonFile = file;
_allocation = new AllocationMemoryStore();
AllocationProvider.SetPodAllocation(_allocation.PodA, allocation.PodA);
AllocationProvider.SetPodAllocation(_allocation.PodB, allocation.PodB);
AllocationProvider.SetPodAllocation(_allocation.PodC, allocation.PodC);
AllocationProvider.SetPodAllocation(_allocation.PodD, allocation.PodD);
AllocationProvider.SetSeniorTeamAllocation(_allocation.SeniorTeam, allocation.SeniorTeam);
}
/// <summary>
/// Create a JSON allocation store around a given file
/// </summary>
/// <returns>A new AllocationJsonFileStore using the given file as a persistence layer</returns>
/// <param name="fileName">The path where the JSON file storing the allocation will be</param>
public static AllocationJsonFileStore CreateFromFile(string fileName)
{
// If the file does not exist, we start with an empty allocation and don't read anything in
if (!File.Exists(fileName))
{
return(new AllocationJsonFileStore(new FileInfo(fileName), IcuAllocation.Empty));
}
// Read in the file, create an allocation from it, and use that to initialise the JSON store object
using (StreamReader file = File.OpenText(fileName))
{
JsonSerializer serialiser = new JsonSerializer();
IcuAllocation allocation = (IcuAllocation)serialiser.Deserialize(file, typeof(IcuAllocation));
Console.Error.WriteLine("Got allocation: " + allocation);
return(new AllocationJsonFileStore(new FileInfo(fileName), allocation));
}
}
