/// <summary>
/// Read the <see cref="HttpContent"/> as OData resource set.
/// </summary>
/// <param name="content">The http content.</param>
/// <returns>The OData array.</returns>
public static async Task <ODataArray> ReadAsODataArrayAsync(this HttpContent content)
{
if (content == null)
{
throw new ArgumentNullException(nameof(content));
}
Stream stream = await content.ReadAsStreamAsync();
using (JsonDocument doc = await JsonDocument.ParseAsync(stream))
{
JsonElement root = doc.RootElement;
// OData array is an object as:
// {
// "@odata.context":...
// "value" [ ... ]
// }
if (root.ValueKind != JsonValueKind.Object)
{
return(null);
}
if (!root.TryGetProperty("value", out JsonElement value) &&
value.ValueKind != JsonValueKind.Array)
{
return(null);
}
ODataArray odataArray = new ODataArray();
// value array
foreach (var item in value.EnumerateArray())
{
IODataValue itemValue = item.ParseAsODataValue();
odataArray.Add(itemValue);
}
// context uri
odataArray.ContextUri = ReadStringPropertyValue(root, "@odata.context", "@context");
// next link
odataArray.NextLink = ReadStringPropertyValue(root, "@odata.nextlink", "@nextlink");
// odata.count
odataArray.TotalCount = ReadIntPropertyValue(root, "@odata.count", "@count");
return(odataArray);
}
}
/// <summary>
/// Read the <see cref="HttpContent"/> as OData resource.
/// </summary>
/// <param name="content">The http content.</param>
/// <returns>The OData object.</returns>
public static async Task <ODataObject> ReadAsODataObjectAsync(this HttpContent content)
{
if (content == null)
{
throw new ArgumentNullException(nameof(content));
}
Stream stream = await content.ReadAsStreamAsync();
using (JsonDocument doc = await JsonDocument.ParseAsync(stream))
{
JsonElement root = doc.RootElement;
// OData object is an object as:
// {
// "@odata.context":...
// "Id": 2,
// "Name: "Sam"
// }
if (root.ValueKind != JsonValueKind.Object)
{
return(null);
}
ODataObject odataObject = new ODataObject();
// value array
foreach (JsonProperty property in root.EnumerateObject())
{
if (property.Name == "@odata.context" || property.Name == "@context")
{
// context uri
odataObject.ContextUri = property.Value.GetString();
}
else
{
IODataValue itemValue = property.Value.ParseAsODataValue();
odataObject[property.Name] = itemValue;
}
}
return(odataObject);
}
}
