static async Task <(int Count, string Message, Meeting?Entity)> UpdateExisting(ModulesDbContext dbContext, Meeting entity, Meeting existing)
{
dbContext.Entry(existing).CurrentValues.SetValues(entity);
AddOrRemoveLayouts(dbContext, entity, existing);
if (IsUnchanged(dbContext, existing))
{
return((-1).SaveResult(existing));
}
var result = await dbContext.SaveChangesAsync();
return(result.SaveResult(existing));
}
static async Task <(int Count, string Message, Module?Entity)> UpdateExisting(ModulesDbContext dbContext, Module entity, Module existing)
{
if (await IfStationWillHaveNoReferringModules(dbContext, entity, existing))
{
return(Strings.StationMustHaveAtLeastOneModuleReferringToIt.SaveResult(entity));
}
dbContext.Entry(existing).CurrentValues.SetValues(entity);
AddOrRemoveExits(dbContext, entity, existing);
if (IsUnchanged(dbContext, existing))
{
return((-1).SaveResult(existing));
}
var result = await dbContext.SaveChangesAsync();
return(result.SaveResult(existing));
static async Task <(int Count, string Message, Meeting?Entity)> UpdateExisting(ModulesDbContext dbContext, Meeting entity, Meeting existing)
{
if (IsMovedTooFarInTime(existing, entity))
{
return(0, "MeetingDatesCannotBeChanged", entity);
}
dbContext.Entry(existing).CurrentValues.SetValues(entity);
AddOrRemoveLayouts(dbContext, entity, existing);
if (IsUnchanged(dbContext, existing))
{
return((-1).SaveResult(existing));
}
var result = await dbContext.SaveChangesAsync().ConfigureAwait(false);
return(result.SaveResult(existing));
}
static void AddOrRemoveLayouts(ModulesDbContext dbContext, Meeting entity, Meeting existing)
{
foreach (var layout in entity.Layouts)
{
var existingGable = existing.Layouts.AsQueryable().FirstOrDefault(g => g.Id == layout.Id);
if (existingGable is null)
{
existing.Layouts.Add(layout);
}
else
{
dbContext.Entry(existingGable).CurrentValues.SetValues(layout);
}
}
foreach (var gable in existing.Layouts)
{
if (!entity.Layouts.Any(mg => mg.Id == gable.Id))
{
dbContext.Remove(gable);
}
}
}
static void AddOrRemoveExits(ModulesDbContext dbContext, Module entity, Module existing)
{
foreach (var exit in entity.ModuleExits)
{
var existingExit = existing.ModuleExits.AsQueryable().FirstOrDefault(g => g.Id == exit.Id);
if (existingExit is null)
{
existing.ModuleExits.Add(exit);
}
else
{
dbContext.Entry(existingExit).CurrentValues.SetValues(exit);
}
}
foreach (var exit in existing.ModuleExits)
{
if (!entity.ModuleExits.Any(mg => mg.Id == exit.Id))
{
dbContext.Remove(exit);
}
}
}
static bool IsUnchanged(ModulesDbContext dbContext, Meeting entity) => dbContext.Entry(entity).State == EntityState.Unchanged && entity.Layouts.All(mg => dbContext.Entry(mg).State == EntityState.Unchanged);
static bool IsUnchanged(ModulesDbContext dbContext, Module entity) => dbContext.Entry(entity).State == EntityState.Unchanged && entity.ModuleExits.All(mg => dbContext.Entry(mg).State == EntityState.Unchanged) && entity.ModuleOwnerships.All(mo => dbContext.Entry(mo).State == EntityState.Unchanged);
