// ---------[ INITIALIZATION ]---------
protected virtual void Awake()
{
if (ModProfileRequestManager._instance == null)
{
ModProfileRequestManager._instance = this;
}
#if DEBUG
else if (ModProfileRequestManager._instance != this)
{
Debug.LogWarning("[mod.io] Second instance of a ModProfileRequestManager"
+ " component enabled simultaneously."
+ " Only one instance of a ModProfileRequestManager"
+ " component should be active at a time.");
this.enabled = false;
}
#endif
}
// ---------[ FUNCTIONALITY ]---------
/// <summary>Fetches page of ModProfiles grabbing from the cache where possible.</summary>
public virtual void FetchModProfilePage(RequestFilter filter, int resultOffset, int profileCount,
Action <RequestPage <ModProfile> > onSuccess,
Action <WebRequestError> onError)
{
Debug.Assert(onSuccess != null);
Debug.Assert(this.minimumFetchSize <= APIPaginationParameters.LIMIT_MAX);
if (profileCount > APIPaginationParameters.LIMIT_MAX)
{
Debug.LogWarning("[mod.io] FetchModProfilePage has been called with a profileCount"
+ " larger than the APIPaginationParameters.LIMIT_MAX."
+ "\nAs such, results may not be as expected.");
profileCount = APIPaginationParameters.LIMIT_MAX;
}
// ensure indicies are positive
if (resultOffset < 0)
{
resultOffset = 0;
}
if (profileCount < 0)
{
profileCount = 0;
}
// check if results already cached
string filterString = filter.GenerateFilterString();
RequestPageData cachedPage;
if (this.requestCache.TryGetValue(filterString, out cachedPage))
{
List <int> requestModIds = new List <int>(profileCount);
int cachedPageOffset = resultOffset - cachedPage.resultOffset;
if (cachedPageOffset >= 0)
{
int expectedIdCount = profileCount;
if (profileCount + resultOffset > cachedPage.resultTotal)
{
expectedIdCount = cachedPage.resultTotal - resultOffset;
}
for (int i = 0;
i < profileCount &&
i + cachedPageOffset < cachedPage.modIds.Length;
++i)
{
requestModIds.Add(cachedPage.modIds[i + cachedPageOffset]);
}
if (expectedIdCount == requestModIds.Count)
{
RequestPage <ModProfile> requestPage = new RequestPage <ModProfile>()
{
size = profileCount,
resultOffset = resultOffset,
resultTotal = cachedPage.resultTotal,
items = this.PullProfilesFromCache(requestModIds),
};
bool isPageComplete = true;
for (int i = 0;
i < requestPage.items.Length &&
isPageComplete;
++i)
{
isPageComplete = (requestPage.items[i] != null);
}
if (isPageComplete)
{
onSuccess(requestPage);
return;
}
}
}
}
// PaginationParameters
APIPaginationParameters pagination = new APIPaginationParameters();
pagination.offset = resultOffset;
pagination.limit = profileCount;
if (profileCount < this.minimumFetchSize)
{
pagination.limit = this.minimumFetchSize;
}
// Send Request
APIClient.GetAllMods(filter, pagination,
(r) =>
{
if (this != null)
{
this.CacheRequestPage(filter, r);
}
if (onSuccess != null)
{
if (pagination.limit != profileCount)
{
var subPage = ModProfileRequestManager.CreatePageSubset(r,
resultOffset,
profileCount);
onSuccess(subPage);
}
else
{
onSuccess(r);
}
}
}, onError);
}