// -------------------------------------------------------------------------------
// -------------------------------------------------------------------------------
/// <summary>
/// Gets the media content items that meet the criteria
/// </summary>
/// <param name="obj">IRssMEdiaContent object</param>
/// <param name="mimeType">Mime Type</param>
/// <param name="minWidth">Minimun Width</param>
/// <param name="maxWidth">Maximum width</param>
/// <param name="minHeight">Minimum Height</param>
/// <param name="maxHeight">Maximun Height</param>
/// <returns>IEnumerable<RssMediaContent></returns>
// -------------------------------------------------------------------------------
// -------------------------------------------------------------------------------
public IEnumerable<RssMediaContent> GetImageItems(IRssMediaContent obj, string mimeType = "", int minWidth = 0, int maxWidth = 0, int minHeight = 0, int maxHeight = 0, bool ExitAfterOneFound = false)
{
List<RssMediaContent> rt = new List<RssMediaContent>();
bool TestMimeType = mimeType.Length > 0 ? true : false;
StringComparer cmp = StringComparer.OrdinalIgnoreCase;
// loop through each content item getting the ones that match the criteria
for (int i = 0; i < obj.mediaContentItems.Count; i++)
{
RssMediaContent rslt = obj.mediaContentItems[i].GetIfImageItem(mimeType, minWidth, maxWidth, minHeight, maxHeight);
if (rslt != null)
{
rt.Add(rslt);
if (ExitAfterOneFound)
{
break;
}
}
} // next media content item
return rt;
}
// -------------------------------------------------------------------------------
// -------------------------------------------------------------------------------
/// <summary>
/// Gets a single image
/// </summary>
/// <param name="obj">IRssMEdiaContent object</param>
/// <param name="mimeType">Mime Type</param>
/// <param name="minWidth">Minimun Width</param>
/// <param name="maxWidth">Maximum width</param>
/// <param name="minHeight">Minimum Height</param>
/// <param name="maxHeight">Maximun Height</param>
/// <returns>RssMediaContent</returns>
// -------------------------------------------------------------------------------
// -------------------------------------------------------------------------------
public RssMediaContent GetImageItem(IRssMediaContent obj, string mimeType = "", int minWidth = 0, int maxWidth = 0, int minHeight = 0, int maxHeight = 0)
{
RssMediaContent rt = null;
IEnumerable<RssMediaContent> lst = GetImageItems(obj, mimeType, minWidth, maxWidth, minHeight, maxHeight, true);
if (lst.Count() > 0)
{
rt = lst.First();
}
return rt;
}
// -------------------------------------------------------------------------------
// -------------------------------------------------------------------------------
/// <summary>
/// Gets the media content items
/// </summary>
/// <param name="obj">IRssMediaContent object</param>
/// <param name="medium">medium, resource type</param>
/// <param name="mimeType">mime type</param>
/// <returns>IEnumerable<RssMediaContent></returns>
// -------------------------------------------------------------------------------
// -------------------------------------------------------------------------------
public RssMediaContent GetFirstContentItem(IRssMediaContent obj, string medium = "", string mimeType = "")
{
RssMediaContent rt = null;
// get the content items in a list. Should only be one.
IEnumerable<RssMediaContent> lst = GetContentItems(obj, medium, mimeType, ExitAfterOneFound: true);
// if the list count is greater than zero
if (lst.Count() > 0)
{
// get the first one....the only one.
rt = lst.First();
}
return rt;
}
// -------------------------------------------------------------------------------
// -------------------------------------------------------------------------------
/// <summary>
/// Gets the media content items that meet the criteria
/// </summary>
/// <param name="obj">IRssMediaContent object</param>
/// <param name="medium">medium, resource type</param>
/// <param name="mimeType">mime type</param>
/// <returns>IEnumerable<RssMediaContent></returns>
// -------------------------------------------------------------------------------
// -------------------------------------------------------------------------------
public IEnumerable<RssMediaContent> GetContentItems(IRssMediaContent obj, string medium = "", string mimeType = "", bool ExitAfterOneFound = false)
{
List<RssMediaContent> rt = new List<RssMediaContent>();
bool TestMedium = medium.Length > 0 ? true : false;
bool TestMimeType = mimeType.Length > 0 ? true : false;
StringComparer cmp = StringComparer.OrdinalIgnoreCase;
for (int i = 0; i < obj.mediaContentItems.Count; i++)
{
bool bRslt = false;
// if test the medium
if (TestMedium)
{
switch (medium)
{
case RSS.MEDIUM_TYPE_IMAGE:
if (obj.mediaContentItems[i].GetIfImageItem() != null)
{
bRslt = true;
}
break;
case RSS.MEDIUM_TYPE_VIDEO:
if (obj.mediaContentItems[i].GetIfVideoItem() != null)
{
bRslt = true;
}
break;
case RSS.MEDIUM_TYPE_AUDIO:
if (obj.mediaContentItems[i].GetIfAudioItem() != null)
{
bRslt = true;
}
break;
default:
if (cmp.Compare(medium, obj.mediaContentItems[i].medium) == 0)
{
bRslt = true;
}
break;
}
}
// if not brslt and test mime type
if (!bRslt && TestMimeType)
{
if (cmp.Compare(mimeType, obj.mediaContentItems[i].type) == 0)
{
bRslt = true;
}
}
// if we didn't test the medium or the mime type, set the result to true
// so we add the item. because we are just accumulating the items in this case
if (!TestMedium && !TestMimeType)
{
bRslt = true;
}
// if ok to add, then add it to the return set
if (bRslt)
{
rt.Add(obj.mediaContentItems[i]);
// if the ExitAfterOneFound flag is set, then we want to bail
// this is for the get first things
if (ExitAfterOneFound)
{
break;
}
}
} // next media content item
return rt;
}
