/// <summary>
/// Constructor.
/// </summary>
/// <param name="name">Name of the resource. </param>
/// <param name="isPropertyResource">If true, this resource is represented by a property. </param>
public Resource(string name, bool isPropertyResource, Resource owner)
{
this.Name = name;
Storage = new Dictionary<string, List<Entry>>();
Resources = new List<Resource>();
IsPropertyResource = isPropertyResource;
Owner = owner;
}
public void ResourceSanityValid()
{
var resource = new Resource("Pet");
Assert.AreEqual("Pet", resource.Name);
}
public void ResourceSanityNull()
{
var resource = new Resource(null);
Assert.IsNull(resource.Name);
}
public void ResourceSanityEmpty()
{
var resource = new Resource("");
Assert.AreEqual("", resource.Name);
}
public void ResourceSanity()
{
var resource = new Resource(null);
Assert.AreEqual(0, resource.Data().Count);
}
/// <summary>
/// Add an entry to the database for the given path and pattern. That data will be validated as Json.
/// </summary>
/// <param name="path">The path. ie: /Pet, /Pet/Dog</param>
/// <param name="pattern">ie: /Pet, /Pet/{Kind}</param>
/// <param name="propertyName">The property name (and its value) to use as the unique identifier in the object. Both the property name and contents are case sensitive. </param>
/// <param name="data">The data to add. Can be null. </param>
/// <param name="discriminator">Optional discriminator if multiple databases are allowed (ie: via the header)</param>
/// <returns>true - Added; false - not added. </returns>
public bool AddJson(string path, string pattern, string propertyName, string data, byte[] binaryContent, string discriminator)
{
if (discriminator == null) discriminator = "";
var tokens = RouteParser.Parse(path, pattern).ToArray();
if (tokens.Count() == 0) return false;
JObject jobject = JsonConvert.DeserializeObject(data) as JObject;
// 1. We need to 'walk' the path (and therefore the database) until we get to the Resource that will hold our value.
// As we walk the path, we create the resources we need to store the data as we go.
// 2. Add the entry to the database.
// 1.
List<Resource> currentResourceList = GetResources(discriminator);
Resource resource = null;
string propertyValue = null;
JToken jobjectPropertyValue = null;
Resource owner = null;
for (int offset = 0; offset < tokens.Length; offset++)
{
propertyValue = null;
jobjectPropertyValue = null;
var token = tokens[offset];
if (token.Kind == RouteTokenKind.Resource)
{
resource = currentResourceList.FirstOrDefault(f => string.Compare(token.Name, f.Name, false) == 0 && !f.IsPropertyResource);
if (resource == null)
{
resource = new Resource(token.Name, false, owner);
currentResourceList.Add(resource);
}
owner = resource;
currentResourceList = resource.Resources;
continue;
}
if (token.Kind == RouteTokenKind.Property)
{
if (offset == tokens.Length - 1)
{
// The property at the end of the path is assumed to reference an existing object; so we are finished "walking"
continue;
}
var existingPropertyResourse = resource.Resources.FirstOrDefault(f => string.Compare(f.Name, token.Value, false) == 0 && f.IsPropertyResource);
if (existingPropertyResourse == null)
{
var nr = new Resource(token.Value, true, owner);
resource.Resources.Add(nr);
var jsonRaw = JsonConvert.DeserializeObject("{}") as JObject;
jsonRaw[token.Name] = token.Value;
var json = JsonConvert.SerializeObject(jsonRaw);
nr.Data().Add(new Entry() { Json = json, Bytes = binaryContent });
currentResourceList = resource.Resources.Last().Resources;
}
else
{
currentResourceList = existingPropertyResourse.Resources;
}
}
}
if (null == resource)
{
return false;
}
// ASSERTION: We have found the resource we need to add the entry.
if (propertyName != null)
{
jobjectPropertyValue = jobject[propertyName];
}
if (jobjectPropertyValue != null)
{
propertyValue = jobjectPropertyValue.ToString();
}
var existingPropertyIndex = FindIndexOf(resource, propertyName, propertyValue, discriminator);
if (existingPropertyIndex != -1)
{
resource.Resources.RemoveAt(existingPropertyIndex);
}
var existingPropertyResourse2 = resource.Resources.FirstOrDefault(f => string.Compare(f.Name, propertyValue, false) == 0 && f.IsPropertyResource);
if (existingPropertyResourse2 != null)
{
resource.Resources.Remove(existingPropertyResourse2);
}
var newResource = new Resource(propertyValue, true, owner);
newResource.Data().Add(new Entry() { Json = data, Bytes = binaryContent });
resource.Resources.Add(newResource);
return true;
}
/// <summary>
/// Returns the 0-based index of the data in the resource where propertyName is equal to value (case sensitive).
/// </summary>
/// <param name="resource"></param>
/// <param name="propertyName"></param>
/// <param name="value"></param>
/// <param name="discriminator"></param>
/// <returns></returns>
protected int FindIndexOf(Resource resource, string propertyName, string value, string discriminator)
{
if (null == discriminator) discriminator = "";
if (null == propertyName) return -1;
foreach (var r in resource.Resources)
{
foreach (var d in r.Data())
{
JObject jobject = JsonConvert.DeserializeObject(d.Json) as JObject;
if (null == jobject) continue;
var currentValue = jobject[propertyName];
if (currentValue != null && currentValue.ToString() == value)
{
return resource.Resources.IndexOf(r);
}
if (currentValue == null && value == null)
{
return resource.Resources.IndexOf(r);
}
}
}
return -1;
}
protected int FindIndexOf(Resource resource, string propertyName, string value)
{
return FindIndexOf(resource, propertyName, value, null);
}
