/// <summary>
/// 提交个人作业。
/// </summary>
/// <param name="groupAssignment">个人作业。</param>
/// <returns>服务结果。</returns>
public async Task <ServiceResult> SubmitAsync(
StudentAssignment studentAssignment)
{
var studentAssignmentToSubmit = new StudentAssignment {
StudentID = studentAssignment.StudentID,
HomeworkID = studentAssignment.HomeworkID,
Score = studentAssignment.Score,
Solution = studentAssignment.Solution
};
var identifiedHttpMessageHandler =
_identityService.GetIdentifiedHttpMessageHandler();
using (var httpClient =
new HttpClient(identifiedHttpMessageHandler)) {
var json =
JsonConvert.SerializeObject(studentAssignmentToSubmit);
HttpResponseMessage response;
try {
response = await httpClient.PutAsync(
App.ServerEndpoint + "/api/StudentAssignment/" +
studentAssignment.HomeworkID,
new StringContent(json, Encoding.UTF8,
"application/json"));
} catch (Exception e) {
return(new ServiceResult {
Status = ServiceResultStatus.Exception,
Message = e.Message
});
}
var serviceResult = new ServiceResult {
Status =
ServiceResultStatusHelper.FromHttpStatusCode(
response.StatusCode)
};
switch (response.StatusCode)
{
case HttpStatusCode.Unauthorized:
case HttpStatusCode.Forbidden:
break;
case HttpStatusCode.NoContent:
break;
case HttpStatusCode.BadRequest:
serviceResult.Message =
await response.Content.ReadAsStringAsync();
break;
default:
serviceResult.Message = response.ReasonPhrase;
break;
}
return(serviceResult);
}
}
/// <summary>
/// 登录。
/// </summary>
/// <returns>服务结果。</returns>
public async Task <ServiceResult> LoginAsync()
{
var oidcClient = new OidcClient(CreateOidcClientOptions());
LoginResult loginResult = null;
try {
loginResult = await oidcClient.LoginAsync(new LoginRequest());
} catch (Exception e) {
return(new ServiceResult {
Status = ServiceResultStatus.Exception, Message = e.Message
});
}
if (!string.IsNullOrEmpty(loginResult.Error))
{
return new ServiceResult {
Status =
ServiceResultStatusHelper.FromHttpStatusCode(
HttpStatusCode.BadRequest),
Message = loginResult.Error
}
}
;
var refreshTokenHandler =
(RefreshTokenHandler)loginResult.RefreshTokenHandler;
_refreshToken = refreshTokenHandler.RefreshToken;
_accessToken = refreshTokenHandler.AccessToken;
return(new ServiceResult {
Status = ServiceResultStatus.OK
});
}
/// <summary>
/// 根据学号获得学生。
/// </summary>
/// <param name="studentId">学号。</param>
/// <returns>服务结果。</returns>
public async Task <ServiceResult <Student> > GetStudentByStudentIdAsync(
string studentId)
{
var identifiedHttpMessageHandler =
_identityService.GetIdentifiedHttpMessageHandler();
using (var httpClient =
new HttpClient(identifiedHttpMessageHandler)) {
HttpResponseMessage response;
try {
response = await httpClient.GetAsync(
App.ServerEndpoint + "/api/Student?studentId=" +
HttpUtility.UrlEncode(studentId));
} catch (Exception e) {
return(new ServiceResult <Student> {
Status = ServiceResultStatus.Exception,
Message = e.Message
});
}
var serviceResult = new ServiceResult <Student> {
Status =
ServiceResultStatusHelper.FromHttpStatusCode(
response.StatusCode)
};
switch (response.StatusCode)
{
case HttpStatusCode.Unauthorized:
break;
case HttpStatusCode.OK:
var json = await response.Content.ReadAsStringAsync();
serviceResult.Result =
JsonConvert.DeserializeObject <Student>(json);
break;
case HttpStatusCode.NotFound:
break;
default:
serviceResult.Message = response.ReasonPhrase;
break;
}
return(serviceResult);
}
}
/// <summary>
/// 绑定账号。
/// </summary>
/// <param name="studentId">学号。</param>
/// <returns>服务结果。</returns>
public async Task <ServiceResult> BindAccountAsync(string studentId)
{
var identifiedHttpMessageHandler =
_identityService.GetIdentifiedHttpMessageHandler();
using (var httpClient =
new HttpClient(identifiedHttpMessageHandler)) {
HttpResponseMessage response;
try {
response = await httpClient.PutAsync(
App.ServerEndpoint + "/api/Student?studentId=" +
HttpUtility.UrlEncode(studentId),
new StringContent(""));
} catch (Exception e) {
return(new ServiceResult {
Status = ServiceResultStatus.Exception,
Message = e.Message
});
}
var serviceResult = new ServiceResult {
Status =
ServiceResultStatusHelper.FromHttpStatusCode(
response.StatusCode)
};
switch (response.StatusCode)
{
case HttpStatusCode.Unauthorized:
break;
case HttpStatusCode.NoContent:
break;
case HttpStatusCode.BadRequest:
serviceResult.Message =
await response.Content.ReadAsStringAsync();
break;
default:
serviceResult.Message = response.ReasonPhrase;
break;
}
return(serviceResult);
}
}
public async Task <ServiceResult <IEnumerable <Announcement> > > GetAsync()
{
var identifiedHttpMessageHandler =
_identityService.GetIdentifiedHttpMessageHandler();
using (var httpClient =
new HttpClient(identifiedHttpMessageHandler)) {
HttpResponseMessage response;
try {
response =
await httpClient.GetAsync(
App.ServerEndpoint + "/api/Announcement");
} catch (Exception e) {
return(new ServiceResult <IEnumerable <Announcement> > {
Status = ServiceResultStatus.Exception,
Message = e.Message
});
}
var serviceResult = new ServiceResult <IEnumerable <Announcement> > {
Status =
ServiceResultStatusHelper.FromHttpStatusCode(
response.StatusCode)
};
switch (response.StatusCode)
{
case HttpStatusCode.Unauthorized:
case HttpStatusCode.Forbidden:
break;
case HttpStatusCode.OK:
var json = await response.Content.ReadAsStringAsync();
serviceResult.Result = JsonConvert
.DeserializeObject <List <Announcement> >(json);
break;
default:
serviceResult.Message = response.ReasonPhrase;
break;
}
return(serviceResult);
}
}
/// <summary>
/// 注销。
/// </summary>
public async Task <ServiceResult> SignOutAsync()
{
ServiceResult serviceResult;
using (var httpClient = new HttpClient()) {
HttpResponseMessage response;
try {
response =
await httpClient.GetAsync(
App.ServerEndpoint + "/Account/Logout");
} catch (Exception e) {
return(new ServiceResult {
Status = ServiceResultStatus.Exception,
Message = e.Message
});
}
serviceResult = new ServiceResult {
Status =
ServiceResultStatusHelper.FromHttpStatusCode(
response.StatusCode)
};
switch (response.StatusCode)
{
case HttpStatusCode.NoContent:
break;
default:
serviceResult.Message = response.ReasonPhrase;
break;
}
}
_refreshToken = "empty";
_accessToken = "empty";
Save();
_rootNavigationService.Navigate(typeof(LoginPage), null,
NavigationTransition.EntranceNavigationTransition);
return(serviceResult);
}
/// <summary>
/// 提交组内自评/互评表。
/// </summary>
/// <param name="peerWorkGroupEvaluation">组内自评互评表。</param>
/// <returns>服务结果。</returns>
public async Task <ServiceResult> SubmitAsync(
PeerWorkGroupEvaluation peerWorkGroupEvaluation)
{
var workGroupEvaluationToSubmit = new PeerWorkGroupEvaluation {
ID = peerWorkGroupEvaluation.ID,
StudentID = peerWorkGroupEvaluation.StudentID,
TargetID = peerWorkGroupEvaluation.TargetID,
Finished = peerWorkGroupEvaluation.Finished,
Q1 = peerWorkGroupEvaluation.Q1,
Q2 = peerWorkGroupEvaluation.Q2,
Q3 = peerWorkGroupEvaluation.Q3,
Q4 = peerWorkGroupEvaluation.Q4,
Q5 = peerWorkGroupEvaluation.Q5,
Q6 = peerWorkGroupEvaluation.Q6,
Q7 = peerWorkGroupEvaluation.Q7,
Q8 = peerWorkGroupEvaluation.Q8, Q9 = peerWorkGroupEvaluation.Q9
};
var identifiedHttpMessageHandler =
_identityService.GetIdentifiedHttpMessageHandler();
using (var httpClient =
new HttpClient(identifiedHttpMessageHandler)) {
var json =
JsonConvert.SerializeObject(workGroupEvaluationToSubmit);
HttpResponseMessage response;
try {
response = await httpClient.PutAsync(
App.ServerEndpoint + "/api/PeerWorkGroupEvaluation/" +
peerWorkGroupEvaluation.TargetID,
new StringContent(json, Encoding.UTF8,
"application/json"));
} catch (Exception e) {
return(new ServiceResult {
Status = ServiceResultStatus.Exception,
Message = e.Message
});
}
var serviceResult = new ServiceResult {
Status =
ServiceResultStatusHelper.FromHttpStatusCode(
response.StatusCode)
};
switch (response.StatusCode)
{
case HttpStatusCode.Unauthorized:
case HttpStatusCode.Forbidden:
break;
case HttpStatusCode.NoContent:
break;
case HttpStatusCode.BadRequest:
serviceResult.Message =
await response.Content.ReadAsStringAsync();
break;
default:
serviceResult.Message = response.ReasonPhrase;
break;
}
return(serviceResult);
}
}