/// <summary>
/// Gets all Courses from the servers REST Api.
/// </summary>
public async Task UpdateCoursesFromServer()
{
DbCourse db = new DbCourse();
System.Diagnostics.Debug.WriteLine("CoursesController - UpdateCoursesFromServer: initiated");
DbStudent dbStudent = new DbStudent();
string accessToken = dbStudent.GetStudentAccessToken();
if (accessToken == null)
{
Authenticater.Authorized = false;
return;
}
Uri url = new Uri(Adress);
System.Diagnostics.Debug.WriteLine("CoursesController - url " + url.ToString());
var client = new HttpClient();
client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("bearer", accessToken);
try
{
var response = await client.GetAsync(url);
if (response.StatusCode == HttpStatusCode.OK)
{
System.Diagnostics.Debug.WriteLine("UpdateCoursesFromServer response " + response.StatusCode.ToString());
var newCourses = await response.Content.ReadAsAsync<IEnumerable<Course>>();
db.DeleteAllCourses();
db.InsertCourses(newCourses);
}
if (response.StatusCode == HttpStatusCode.Unauthorized)
{
Authenticater.Authorized = false;
}
}
catch (Exception e)
{
System.Diagnostics.Debug.WriteLine("CoursesController - UpdateCoursesFromServer: await client.GetAsync(\"url\") Failed");
System.Diagnostics.Debug.WriteLine("CoursesController - UpdateCoursesFromServer: Exception msg: " + e.Message);
System.Diagnostics.Debug.WriteLine("CoursesController - UpdateCoursesFromServer: Stack Trace: \n" + e.StackTrace);
System.Diagnostics.Debug.WriteLine("CoursesController - UpdateCoursesFromServer: End Of Stack Trace");
}
}
/// <summary>
/// Deserializes a singular Project with children objects.
/// </summary>
/// <param name="jsonString">Serialized data contain information about project and its children</param>
/// <returns>A deserialized Project object</returns>
private Project Deserialize(string jsonString)
{
DbProject db = new DbProject();
Dictionary<string, object> dict = JsonConvert.DeserializeObject<Dictionary<string, object>>(jsonString);
System.Diagnostics.Debug.WriteLine("DeserializeApiData. Printing Key Value:");
string[] keys = dict.Keys.ToArray();
Project p = new Project();
p.companies = new List<Company>();
p.courses = new List<Course>();
p.studyGroups = new List<StudyGroup>();
p.jobTypes = new List<JobType>();
foreach (var key in keys)
{
System.Diagnostics.Debug.WriteLine("key: " + key);
System.Diagnostics.Debug.WriteLine("value: " + dict[key].ToString());
/*
if (!key.Equals("companies") || !key.Equals("courses") || !key.Equals("degrees")
|| !key.Equals("jobTypes") || !key.Equals("studyGroup")) {} */
if (key.Equals("uuid"))
{
p.uuid = dict[key].ToString();
}
if (key.Equals("title"))
{
p.title = dict[key].ToString();
}
/*
if (key.Equals("description"))
{
p.description = dict[key].ToString();
}
*/
if (key.Equals("webpage"))
{
p.webpage = dict[key].ToString();
}
if (key.Equals("published"))
{
DateTime dateTime = (DateTime)dict[key];
p.published = long.Parse(dateTime.ToString("yyyyMMddHHmmss"));
}
if (key.Equals("modified"))
{
DateTime dateTime = (DateTime)dict[key];
p.modified = long.Parse(dateTime.ToString("yyyyMMddHHmmss"));
}
if (key.Equals("companies"))
{
// if not true then company already exist and needs to be updated.
CompaniesController cc = new CompaniesController();
DbCompany dbCompany = new DbCompany();
IEnumerable companies = (IEnumerable)dict[key];
//`Newtonsoft.Json.Linq.JArray'
System.Diagnostics.Debug.WriteLine("companies created");
foreach (var comp in companies)
{
System.Diagnostics.Debug.WriteLine("foreach initiated");
Dictionary<string, object> companyDict = JsonConvert.DeserializeObject<Dictionary<string, object>>(comp.ToString());
Company company = cc.DeserializeCompany(companyDict);
System.Diagnostics.Debug.WriteLine("Deserialize: company.id: " + company.id);
p.companies.Add(company);
dbCompany.UpdateCompany(company);
System.Diagnostics.Debug.WriteLine("Deserialize: After j.companies.Add(company)");
string projectUuid = dict["uuid"].ToString();
dbCompany.InsertCompanyProject(company.id, projectUuid);
}
}
if (key.Equals("courses"))
{
DbCourse dbCourse = new DbCourse();
IEnumerable courses = (IEnumerable)dict[key];
//Newtonsoft.Json.Linq.JArray'
System.Diagnostics.Debug.WriteLine("location created");
foreach (var course in courses)
{
System.Diagnostics.Debug.WriteLine("foreach initiated");
Dictionary<string, object> courseDict =
JsonConvert.DeserializeObject<Dictionary<string, object>>(course.ToString());
Course co = new Course();
if (courseDict.ContainsKey("id"))
{
co.id = courseDict["id"].ToString();
System.Diagnostics.Debug.WriteLine("Course id: " + co.id);
}
if (courseDict.ContainsKey("name"))
{
co.name = courseDict["name"].ToString();
}
dbCourse.InsertCourse(co);
p.courses.Add(co);
string projectUuid = dict["uuid"].ToString();
dbCourse.InsertCourseProject(co.id, projectUuid);
}
}
if (key.Equals("studyGroups"))
{
DbStudyGroup dbStudyGroup = new DbStudyGroup();
IEnumerable studyGroups = (IEnumerable)dict[key];
//Newtonsoft.Json.Linq.JArray'
System.Diagnostics.Debug.WriteLine("studyGroups created");
foreach (var studyGroup in studyGroups)
{
System.Diagnostics.Debug.WriteLine("foreach initiated");
Dictionary<string, object> studyGroupDict = JsonConvert.DeserializeObject<Dictionary<string, object>>(studyGroup.ToString());
StudyGroup sg = new StudyGroup();
if (studyGroupDict.ContainsKey("id"))
{
sg.id = studyGroupDict["id"].ToString();
}
if (studyGroupDict.ContainsKey("name"))
{
sg.name = studyGroupDict["name"].ToString();
}
p.studyGroups.Add(sg);
string projectUuid = dict["uuid"].ToString();
dbStudyGroup.InsertStudyGroupProject(sg.id, projectUuid);
}
}
/*
if (key.Equals("approvedCourses"))
{
Same as companies implementation
}
if (key.Equals("degrees"))
{
Same as companies implementation
}
*/
if (key.Equals("jobTypes"))
{
DbJobType dbJobType = new DbJobType();
IEnumerable jobTypes = (IEnumerable)dict[key];
//Newtonsoft.Json.Linq.JArray'
System.Diagnostics.Debug.WriteLine("jobTypes created");
foreach (var jobType in jobTypes)
{
System.Diagnostics.Debug.WriteLine("foreach initiated");
Dictionary<string, object> jtDict = JsonConvert.DeserializeObject<Dictionary<string, object>>(jobType.ToString());
JobType jt = new JobType();
if (jtDict.ContainsKey("id"))
{
jt.id = jtDict["id"].ToString();
}
if (jtDict.ContainsKey("name"))
{
jt.name = jtDict["name"].ToString();
}
dbJobType.InsertJobType(jt);
System.Diagnostics.Debug.WriteLine("before p.jobTypes.Add(jt);");
p.jobTypes.Add(jt);
string projectUuid = dict["uuid"].ToString();
dbJobType.InsertJobTypeProject(jt.id, projectUuid);
}
}
}
db.UpdateProject(p);
return p;
}
private async void GetAllFilters(object sender, EventArgs e)
{
DbLocation lc = new DbLocation();
DbCourse cc = new DbCourse();
DbStudyGroup sgc = new DbStudyGroup();
DbJobType jtc = new DbJobType();
List<Location> locationsFilter = lc.GetAllLocations();
List<Course> coursesFilter = cc.GetAllCourses();
List<StudyGroup> studyGroupsFilter = sgc.GetAllStudyGroups();
List<JobType> jobTypesJobFilter = jtc.GetJobTypeFilterJob();
List<JobType> jobTypesProjectFilter = jtc.GetJobTypeFilterProject();
System.Diagnostics.Debug.WriteLine("GetAllFilters: locationsFilter.Count: " + locationsFilter.Count);
System.Diagnostics.Debug.WriteLine("GetAllFilters: coursesFilter.Count: " + coursesFilter.Count);
System.Diagnostics.Debug.WriteLine("GetAllFilters: studyGroupsFilter.Count: " + studyGroupsFilter.Count);
System.Diagnostics.Debug.WriteLine("GetAllFilters: jobTypesJobFilter.Count: " + jobTypesJobFilter.Count);
System.Diagnostics.Debug.WriteLine("GetAllFilters: jobTypesProjectFilter.Count: " +
jobTypesProjectFilter.Count);
}
private string CreateLocalHash()
{
DbCourse db = new DbCourse();
List<Course> courses = db.GetAllCourses();
StringBuilder sb = new StringBuilder();
foreach (var c in courses)
{
sb.Append(Hasher.Base64Decode(c.id));
}
return Hasher.CalculateMd5Hash(sb.ToString());
}