public async Task <bool> IsInRoleAsync(TUser user, string roleName)
{
Contract.Requires(user != null, "Given user must be a non-null reference");
Contract.Requires(!string.IsNullOrEmpty(roleName), "Given role name must not be null or empty");
Contract.Ensures(Contract.Result <Task <bool> >() != null);
HttpRequestMessage request = new HttpRequestMessage
(
HttpMethod.Head,
UserRoleResourceUri.Replace
(
"{userId}",
((IIdentityUser)user).Id
).Replace
(
"{roleName}",
roleName
)
);
// for example: /users/{userId}/roles/{roleName}
HttpResponseMessage response = await HttpClient.SendAsync(request);
return(response.IsSuccessStatusCode);
}
public async Task <IList <string> > GetRolesAsync(TUser user)
{
Contract.Requires(user != null, "Given user must be a non-null reference");
Contract.Ensures(Contract.Result <Task <IList <string> > >() != null);
HttpResponseMessage response = await HttpClient.GetAsync // for example: /users/{userId}/roles
(
UserRoleResourceUri.Replace
(
"{userId}",
((IIdentityUser)user).Id
)
);
return(await response.Content.ReadAsAsync <IList <string> >());
}
public Task AddToRoleAsync(TUser user, string roleName)
{
Contract.Requires(user != null, "Given user must be a non-null reference");
Contract.Requires(!string.IsNullOrEmpty(roleName), "Given role name must not be null or empty");
Contract.Ensures(Contract.Result <Task>() != null);
return(HttpClient.PutAsJsonAsync // for example: /users/{userId}/roles
(
UserRoleResourceUri.Replace
(
"{userId}",
((IIdentityUser)user).Id
),
new { roleName = roleName }
));
}
public Task RemoveFromRoleAsync(TUser user, string roleName)
{
Contract.Requires(user != null, "Given user must be a non-null reference");
Contract.Requires(!string.IsNullOrEmpty(roleName), "Given role name must not be null or empty");
Contract.Ensures(Contract.Result <Task>() != null);
HttpRequestMessage request = new HttpRequestMessage
(
HttpMethod.Delete,
UserRoleResourceUri.Replace
(
"{userId}",
((IIdentityUser)user).Id
).Replace
(
"{roleName}",
roleName
)
);
// for example: /users/{userId}/roles/{roleName}
return(HttpClient.SendAsync(request));
}