/// <summary> Constructor. </summary>
/// <param name="fileRecords"> The file records. </param>
/// <param name="savingsType"> (Optional) Type of the size savings to calculate. </param>
public DuplicateFileGroup(IEnumerable <FileRecord> fileRecords, SavingsType savingsType = SavingsType.SaveBiggest)
{
this.FileRecords = new List <FileRecord>(fileRecords);
//Precalculate stats.
this.Hash = this.FileRecords.Select(fr => fr.Hash).FirstOrDefault();
this.Count = this.FileRecords.Count();
this.TotalSize = this.FileRecords.Sum(fr => fr.Size);
switch (savingsType)
{
case SavingsType.SaveBiggest:
this.PotentialSizeSaving = this.FileRecords.OrderByDescending(fr => fr.Size).Skip(1).Sum(fr => fr.Size);
break;
case SavingsType.SaveSmallest:
this.PotentialSizeSaving = this.FileRecords.OrderBy(fr => fr.Size).Skip(1).Sum(fr => fr.Size);
break;
case SavingsType.SaveMedian:
//This is kind of hacky, but good enough for our purposes here. CLOSE ENOUGH
var medianFileRecord = this.FileRecords.OrderBy(fr => fr.Size).ElementAt(this.Count / 2);
this.PotentialSizeSaving = this.FileRecords.Except(new[] { medianFileRecord }).Sum(fr => fr.Size);
break;
default:
break;
}
}
public async Task <IHttpActionResult> PutSavingsType(int id, SavingsType savingsType)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
if (id != savingsType.ID)
{
return(BadRequest());
}
db.Entry(savingsType).State = EntityState.Modified;
try
{
await db.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!SavingsTypeExists(id))
{
return(NotFound());
}
else
{
throw;
}
}
return(StatusCode(HttpStatusCode.NoContent));
}
public async Task <IHttpActionResult> GetSavingsType(int id)
{
SavingsType savingsType = await db.SavingsTypes.FindAsync(id);
if (savingsType == null)
{
return(NotFound());
}
return(Ok(savingsType));
}
public async Task <IHttpActionResult> PostSavingsType(SavingsType savingsType)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
db.SavingsTypes.Add(savingsType);
await db.SaveChangesAsync();
//return CreatedAtRoute("DefaultApi", new { id = savingsType.ID }, savingsType);
return(Ok <SavingsType>(savingsType));
}
public static SavingsStrategy GetStragery(SavingsType type)
{
switch (type)
{
case SavingsType.Fixed:
return(new FixedSavingsStrategy());
case SavingsType.Percentage:
return(new PercentageSavingsStrategy());
default:
return(new FixedSavingsStrategy());
}
}
public async Task <IHttpActionResult> DeleteSavingsType(int id)
{
SavingsType savingsType = await db.SavingsTypes.FindAsync(id);
if (savingsType == null)
{
return(NotFound());
}
db.SavingsTypes.Remove(savingsType);
await db.SaveChangesAsync();
return(Ok(savingsType));
}
