340 lines
15 KiB
GDScript
340 lines
15 KiB
GDScript
extends Node
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class_name UserDatabaseSynchronizer
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var synchronizing: bool = false
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var account_type_option_button: OptionButton
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var education_method_option_button: OptionButton
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var loading_popup: LoadingPopup
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enum UpdateNeeded {
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Nothing,
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FromLocal,
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FromServer,
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DeleteLocal,
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DeleteServer
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}
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func start_sync() -> void:
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synchronizing = true
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if loading_popup != null:
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loading_popup.set_finished(false)
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set_loading_bar_text("SYNCHRONIZATION_INITIALISATION")
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await set_loading_bar_progression(0.0)
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loading_popup.show()
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func stop_sync(success: bool = false) -> void:
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synchronizing = false
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if success:
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await set_loading_bar_progression(100.0, 1.0)
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set_loading_bar_text("SYNCHRONIZATION_SUCCESS")
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if loading_popup != null:
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loading_popup.set_finished(true)
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func _check_internet() -> bool:
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await set_loading_bar_progression(1.0)
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set_loading_bar_text("SYNCHRONIZATION_CHECK_INTERNET_ACCESS")
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if await (ServerManager as ServerManagerClass).check_internet_access():
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return true
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set_loading_bar_text("SYNCHRONIZATION_ERROR_NO_INTERNET")
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stop_sync()
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return false
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func _pull_timestamps() -> Dictionary:
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set_loading_bar_text("SYNCHRONIZATION_ASK_SERVER_TIMESTAMP")
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var res: Dictionary = await (ServerManager as ServerManagerClass).pull_timestamps()
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if not res.success:
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Logger.trace("UserDatabaseSynchronizer: Cannot get all timestamps from server. Canceling synchronization.")
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set_loading_bar_text("SYNCHRONIZATION_ERROR_NO_SERVER")
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stop_sync()
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return {}
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await set_loading_bar_progression(20.0)
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return res.body
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func _determine_user_update(response_body: Dictionary) -> UpdateNeeded:
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set_loading_bar_text("SYNCHRONIZATION_COMPARE_SERVER_TIMESTAMP")
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if not response_body.has("user"):
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Logger.trace("UserDatabaseSynchronizer: Cannot get user from body. Canceling synchronization.")
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set_loading_bar_text("SYNCHRONIZATION_ERROR_NO_BODY_FROM_SERVER")
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stop_sync()
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return UpdateNeeded.Nothing
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var user: Dictionary = response_body.user
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if not user.has("last_modified"):
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Logger.trace("UserDatabaseSynchronizer: Cannot get last_modified from user. Canceling synchronization.")
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set_loading_bar_text("SYNCHRONIZATION_ERROR")
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stop_sync()
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return UpdateNeeded.Nothing
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var server_unix_time_user: int = Time.get_unix_time_from_datetime_string(user.last_modified as String)
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var local_user_string_time: String = UserDataManager.teacher_settings.last_modified
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var local_unix_time_user: int = 0
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if local_user_string_time != "":
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local_unix_time_user = Time.get_unix_time_from_datetime_string(local_user_string_time)
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var need_update_user: UpdateNeeded = UpdateNeeded.Nothing
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if local_unix_time_user == server_unix_time_user:
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Logger.trace("UserDatabaseSynchronizer: User data timestamp is the same in local and on server. No synchronization necessary")
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elif local_unix_time_user > server_unix_time_user:
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need_update_user = UpdateNeeded.FromLocal
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else:
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need_update_user = UpdateNeeded.FromServer
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return need_update_user
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func _determine_students_update(response_body: Dictionary, need_update_user: UpdateNeeded) -> Dictionary:
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var need_update_students: Dictionary[int, Dictionary] = {}
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if not response_body.has("students"):
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Logger.trace("UserDatabaseSynchronizer: Cannot get last_modified from user. Canceling synchronization.")
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set_loading_bar_text("SYNCHRONIZATION_ERROR")
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stop_sync()
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return {}
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var students_timestamps: Array[Dictionary] = []
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for item: Dictionary in response_body.students:
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students_timestamps.append(item)
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for student_dic: Dictionary in students_timestamps:
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if not student_dic.has("code"):
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continue
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var code_to_check: int = student_dic.code
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var server_student_unix_time: int = -1
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if student_dic.has("updated_at"):
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server_student_unix_time = Time.get_unix_time_from_datetime_string(student_dic.updated_at as String)
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else:
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Logger.warn("UserDatabaseSynchronizer: Student %d received from server has no timestamp" % code_to_check)
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var server_student_remediation_unix_time: int = -1
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if student_dic.has("gp_remediation_last_modified"):
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if student_dic.gp_remediation_last_modified != null && student_dic.gp_remediation_last_modified is String:
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server_student_remediation_unix_time = Time.get_unix_time_from_datetime_string(student_dic.gp_remediation_last_modified as String)
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else:
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server_student_remediation_unix_time = 0
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var found: bool = false
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for device: int in UserDataManager.teacher_settings.students.keys():
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var students_in_device: Array[StudentData] = UserDataManager.teacher_settings.students[device]
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for student_data: StudentData in students_in_device:
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if student_data.code == code_to_check:
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found = true
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# Synchronize student data
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var local_student_unix_time: int = Time.get_unix_time_from_datetime_string(student_data.last_modified)
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if local_student_unix_time == server_student_unix_time:
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Logger.trace("UserDatabaseSynchronizer: Student %d data timestamp is the same in local and on server. No synchronization necessary" % code_to_check)
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need_update_students[code_to_check] = {"data": UpdateNeeded.Nothing}
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elif local_student_unix_time > server_student_unix_time:
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need_update_students[code_to_check] = {"data": UpdateNeeded.FromLocal}
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else:
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need_update_students[code_to_check] = {"data": UpdateNeeded.FromServer}
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# Synchronize student gp remediation
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var student_gp_remediation: UserRemediation = UserDataManager.get_student_remediation_data(code_to_check)
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if student_gp_remediation != null:
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var local_student_gp_remediation_unix_time: int = Time.get_unix_time_from_datetime_string(student_gp_remediation.last_modified)
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#server_student_remediation_unix_time
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if local_student_gp_remediation_unix_time == server_student_remediation_unix_time:
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Logger.trace("UserDatabaseSynchronizer: Student %d GP remediation data timestamp is the same in local and on server. No synchronization necessary" % code_to_check)
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need_update_students[code_to_check] = {"remediation_gp": UpdateNeeded.Nothing}
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elif local_student_gp_remediation_unix_time > server_student_remediation_unix_time:
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need_update_students[code_to_check] = {"remediation_gp": UpdateNeeded.FromLocal}
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else:
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need_update_students[code_to_check] = {"remediation_gp": UpdateNeeded.FromServer}
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break
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if found:
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break
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if not found:
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if need_update_user == UpdateNeeded.FromServer:
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need_update_students[code_to_check] = {}
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need_update_students[code_to_check]["data"] = UpdateNeeded.FromServer
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elif need_update_user == UpdateNeeded.FromLocal:
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need_update_students[code_to_check] = {}
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need_update_students[code_to_check]["data"] = UpdateNeeded.DeleteServer
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else:
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Logger.warn("UserDatabaseSynchronizer: Student %d not found in local, but user doesn't need to be updated...this is theoretically not possible" % code_to_check)
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for device: int in UserDataManager.teacher_settings.students.keys():
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var students_in_device: Array[StudentData] = UserDataManager.teacher_settings.students[device]
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for student_data: StudentData in students_in_device:
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if not need_update_students.has(student_data.code):
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if need_update_user == UpdateNeeded.FromServer:
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need_update_students[student_data.code] = {}
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need_update_students[student_data.code]["data"] = UpdateNeeded.DeleteLocal
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elif need_update_user == UpdateNeeded.FromLocal:
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need_update_students[student_data.code] = {}
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need_update_students[student_data.code]["data"] = UpdateNeeded.FromLocal
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else:
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Logger.warn("UserDatabaseSynchronizer: Student %d not found in server, but user doesn't need to be updated...this is theoretically not possible" % student_data.code)
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return need_update_students
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func _build_message_to_server(need_update_user: UpdateNeeded, need_update_students: Dictionary[int, Dictionary]) -> Dictionary:
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var message_to_server: Dictionary = {}
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# Gérer l'utilisateur
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if need_update_user == UpdateNeeded.FromLocal:
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message_to_server["user"] = {
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"account_type": UserDataManager.teacher_settings.account_type,
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"education_method": UserDataManager.teacher_settings.education_method,
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"last_modified": UserDataManager.teacher_settings.last_modified
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}
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elif need_update_user == UpdateNeeded.FromServer:
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message_to_server["user"] = {"need_update": true}
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message_to_server["students"] = {}
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for student_code: int in need_update_students.keys():
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var student_entry: Dictionary = need_update_students[student_code]
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var student_block: Dictionary = {}
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# Traitement de l'étudiant lui-même
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if student_entry.has("data"):
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var student_update: UpdateNeeded = student_entry["data"]
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if student_update == UpdateNeeded.DeleteLocal:
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UserDataManager.delete_student(student_code)
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continue
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elif student_update == UpdateNeeded.DeleteServer:
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student_block["delete"] = true
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elif student_update == UpdateNeeded.FromLocal:
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var device_id: int = UserDataManager.teacher_settings.get_student_device(student_code)
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if device_id == -1:
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Logger.error("UserDatabaseSynchronizer: Student code %s has no device ID" % student_code)
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continue
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var student_data: StudentData = UserDataManager.teacher_settings.get_student_with_code(student_code)
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if not student_data:
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Logger.warn("UserDatabaseSynchronizer: Cannot find student with code %d" % student_code)
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continue
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student_block.merge({
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"device_id": device_id,
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"name": student_data.name,
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"age": student_data.age,
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"updated_at": student_data.last_modified
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})
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elif student_update == UpdateNeeded.FromServer:
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student_block["need_update"] = true
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# Traitement de "remediation_gp"
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if student_entry.has("remediation_gp"):
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var gp_remediation_block: Dictionary = {}
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if student_entry.remediation_gp == UpdateNeeded.FromLocal:
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var student_remediation: UserRemediation = UserDataManager.get_student_remediation_data(student_code)
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var tuple_list: Array = []
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for key: int in student_remediation.gps_scores.keys():
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tuple_list.append([key, student_remediation.gps_scores[key]])
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gp_remediation_block = {"score_remediation": tuple_list, "updated_at": student_remediation.last_modified}
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elif student_entry.remediation_gp == UpdateNeeded.FromServer:
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gp_remediation_block = {"need_update": true}
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elif student_entry.remediation_gp == UpdateNeeded.DeleteServer:
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gp_remediation_block = {"delete": true}
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if gp_remediation_block.size() > 0:
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student_block["remediation_gp"] = gp_remediation_block
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if student_block.size() > 0:
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message_to_server["students"][student_code] = student_block
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if (message_to_server["students"] as Dictionary).is_empty():
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message_to_server.erase("students")
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return message_to_server
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func _send_instructions(message_to_server: Dictionary) -> Dictionary:
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await set_loading_bar_progression(60.0)
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set_loading_bar_text("SYNCHRONIZATION_SEND_SERVER_INSTRUCTIONS")
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if message_to_server.keys().size() == 0:
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Logger.trace("UserDatabaseSynchronizer: No instruction to send to server")
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return {}
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var res_get_server_instructions: Dictionary = await (ServerManager as ServerManagerClass).send_server_synchronization_instructions(message_to_server)
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if not res_get_server_instructions.success:
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Logger.trace("UserDatabaseSynchronizer: Cannot send instructions to server. Canceling synchronization.")
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set_loading_bar_text("SYNCHRONIZATION_ERROR_NO_SERVER")
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stop_sync()
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return {}
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await set_loading_bar_progression(80.0)
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set_loading_bar_text("SYNCHRONIZATION_APPLY_LOCAL_INSTRUCTIONS")
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return res_get_server_instructions.body
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func _apply_server_response(response_body: Dictionary) -> void:
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if response_body.has("user"):
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var response_user: Dictionary = response_body.user
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Logger.trace("UserDatabaseSynchronizer: Updating user")
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if not response_user.has("account_type"):
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Logger.warn("UserDatabaseSynchronizer: While updating user, no account_type found")
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else:
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UserDataManager.teacher_settings.account_type = response_user.account_type
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if not response_user.has("education_method"):
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Logger.warn("UserDatabaseSynchronizer: While updating user, no education_method found")
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else:
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UserDataManager.teacher_settings.education_method = response_user.education_method
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if not response_user.has("last_modified"):
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Logger.warn("UserDatabaseSynchronizer: While updating user, no last_modified found")
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else:
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UserDataManager.teacher_settings.last_modified = response_user.last_modified
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if response_body.has("students"):
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Logger.trace("UserDatabaseSynchronizer: Updating students")
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var response_students: Dictionary = response_body.students
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for response_student_code: String in response_students.keys():
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var response_student_data: Dictionary = response_students[response_student_code]
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if response_student_data.has("device_id") && response_student_data.has("name") && response_student_data.has("age") && response_student_data.has("updated_at"):
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UserDataManager.teacher_settings.set_data_student_with_code(int(response_student_code), int(response_student_data.device_id as float), response_student_data.name as String, int(response_student_data.age as float), response_student_data.updated_at as String)
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if response_student_data.has("remediation_gp") && (response_student_data.remediation_gp as Dictionary).has("score_remediation") && (response_student_data.remediation_gp as Dictionary).has("updated_at"):
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# TODO ADD SECURITY
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var new_array: Array = JSON.parse_string(response_student_data.remediation_gp.score_remediation as String) as Array
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var new_scores: Dictionary[int, int] = {}
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for index: int in new_array.size():
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# TODO ADD SECURITY
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new_scores[int(new_array[index][0] as float)] = int(new_array[index][1] as float)
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UserDataManager.set_student_remediation_data(int(response_student_code), new_scores, response_student_data.remediation_gp.updated_at as String)
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func synchronize() -> void:
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Logger.trace("UserDatabaseSynchronizer: Start synchronizing user data.")
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if synchronizing:
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Logger.trace("UserDatabaseSynchronizer: User synchronization already started, cancel double-call.")
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return
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await start_sync()
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if not await _check_internet():
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return
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var response_body: Dictionary = await _pull_timestamps()
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if response_body.is_empty():
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return
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var need_update_user: UpdateNeeded = _determine_user_update(response_body)
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if not synchronizing:
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return
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var need_update_students: Dictionary[int, Dictionary] = _determine_students_update(response_body, need_update_user)
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if not synchronizing:
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return
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await set_loading_bar_progression(40.0)
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set_loading_bar_text("SYNCHRONIZATION_COMPILE_SERVER_INSTRUCTIONS")
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var message_to_server: Dictionary = _build_message_to_server(need_update_user, need_update_students)
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var server_response: Dictionary = await _send_instructions(message_to_server)
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if not synchronizing:
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return
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if server_response.size() > 0:
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_apply_server_response(server_response)
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await set_loading_bar_progression(99.0)
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UserDataManager.save_all()
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stop_sync(true)
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func set_loading_bar_progression(value_percent: float, wait_time: float = 0.2) -> void:
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if loading_popup != null:
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loading_popup.set_progress(value_percent)
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await loading_popup.get_tree().create_timer(wait_time).timeout
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func set_loading_bar_text(message: String) -> void:
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if loading_popup != null:
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loading_popup.set_text(message)
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