private static SeedingPlan GetSeedingPlanFor(SeedAssembly seedAssembly, ISeedingSetup seedingSetup)
{
Assert(seedAssembly != null);
var seedInfoTree = SeedInfoTree.Create(seedAssembly.SeedTypes);
var seedingSteps = new List <SeedInfo>();
foreach (var seedInfo in seedInfoTree.AllSeeds)
{
RecursivelyBuildSeedingSteps(seedInfo);
}
return(new SeedingPlan(seedingSetup, seedAssembly.SeedingSetupType, seedingSteps));
void RecursivelyBuildSeedingSteps(SeedInfo seedInfo)
{
if (seedingSteps.Contains(seedInfo))
{
return;
}
foreach (var dependency in seedInfo.DependsOn)
{
RecursivelyBuildSeedingSteps(dependency);
}
seedingSteps.Add(seedInfo);
}
}
/// <summary>
/// Creates a new instance of the <see cref="SeedInfoTree"/> that describes the seed build upon the <paramref name="seedTypes"/>.
/// </summary>
internal static SeedInfoTree Create(IEnumerable <Type> seedTypes)
{
Assert(seedTypes != null);
Assert(seedTypes.All(type => type.IsSeedType()));
SeedInfoTree result = new SeedInfoTree();
foreach (var seedType in seedTypes)
{
result.GetOrCreateSeedInfoFor(seedType);
}
return(result);
}
public SeedInfoTree GetSeedInfoTree(Assembly assembly, IEnumerable <string> seedFilters)
{
if (assembly == null)
{
throw new ArgumentNullException(nameof(assembly));
}
return(GetSeedInfoTreeImpl());
SeedInfoTree GetSeedInfoTreeImpl()
{
var seedAssembly = SeedAssembly.Create(assembly, seedFilters);
return(SeedInfoTree.Create(seedAssembly.SeedTypes));
}
}
public IEnumerable <SeedInfo> GetSeedsFor(Assembly assembly, IEnumerable <string> seedFilters)
{
if (assembly == null)
{
throw new ArgumentNullException(nameof(assembly));
}
return(GetSeedInfosImpl());
IEnumerable <SeedInfo> GetSeedInfosImpl()
{
var seedAssembly = SeedAssembly.Create(assembly, seedFilters);
return(SeedInfoTree.Create(seedAssembly.SeedTypes)
.AllSeeds
.Where(seedInfo => seedAssembly.SeedTypes.Contains(seedInfo.SeedType)));
}
}
/// <summary>
/// Initializes a new instance of the <see cref="SeedInfo"/> that describes the seed
/// represented by the <paramref name="seedType"/>.
/// </summary>
internal static SeedInfo CreateFor(Type seedType, SeedInfoTree seedInfoTree)
{
Debug.Assert(seedType != null);
Debug.Assert(seedType.IsSeedType());
Debug.Assert(seedInfoTree != null);
var seedOutputProperties = GetSeedOutputProperty();
// TODO: Check that we do not have any circular dependencies.
// TODO: Check all other things as well :-)
return(new SeedInfo(seedType, seedOutputProperties, GetExplicitDependencies().Concat(GetImplicitDependencies()).ToList()));
PropertyInfo[] GetSeedOutputProperty()
{
return(seedType
.GetProperties(BindingFlags.Instance | BindingFlags.Public)
.Where(property => property.IsSeedOutputProperty())
.ToArray());
}
IEnumerable <SeedInfo> GetImplicitDependencies()
{
return(seedOutputProperties
.Select(property => seedInfoTree.GetOrCreateSeedInfoFor(property.PropertyType.DeclaringType)));
}
IEnumerable <SeedInfo> GetExplicitDependencies()
{
// TODO: Add checks: SeedType != null. SeedType.IsSeedType().
return(seedType
.GetCustomAttributes(typeof(RequiresAttribute), false)
.Cast <RequiresAttribute>()
.Select(attribute => attribute.SeedOrScenarioType)
.Select(seedInfoTree.GetOrCreateSeedInfoFor));
}
}
