Data Synchronization in bulk

+ Allow connecting/playing offline
+ Clean asset name nomenclature
+ Debug asset name nomenclature when loading files

resources/audio_buses/main_audio_bus_layout.tres

@@ -1,7 +1,7 @@
 [gd_resource type="AudioBusLayout" format=3 uid="uid://crtt36bkguxm5"]
 
 [resource]
-bus/0/volume_db = -17.6689
+bus/0/volume_db = -26.8691
 bus/1/name = &"Music"
 bus/1/solo = false
 bus/1/mute = false

resources/user/student_data.gd

@@ -12,11 +12,13 @@ enum Level {
 @export var name: String
 @export var level: Level
 @export var age: int
+@export var last_modified: String
 
 func to_dict() -> Dictionary:
 	return {
 		"code": code,
 		"name": name,
 		"level": level,
-		"age": age
+		"age": age,
+		"last_modified": last_modified,
 	}

resources/user/student_progression.gd

@@ -1,5 +1,5 @@
 extends Resource
-class_name UserProgression
+class_name StudentProgression
 
 signal unlocks_changed()
 

resources/user/teacher_settings.gd

@@ -21,7 +21,7 @@ var devices_count: int
 @export var email: String
 var password: String
 @export var token: String
-@export var last_modified: String
+@export var last_modified: String = ""
 
 func update_from_dict(dict: Dictionary) -> void:
 	if dict.has("account_type"):
@@ -56,7 +56,8 @@ func update_student_name(student_code: int, student_name: String) -> void:
 			if student_data.code == student_code:
 				student_data.name = student_name
 				Logger.trace("TeacherSettings: Updated student code " + str(student_code) + ": new name is " + student_name)
-				(ServerManager as ServerManagerClass).update_student(student_data)
+				student_data.last_modified = Time.get_datetime_string_from_system(true)
+				UserDataManager.save_all()
 				return
 	Logger.warn("TeacherSettings: update_student_name: student not found with code " + str(student_code))
 
@@ -66,12 +67,17 @@ func update_student_device(student_code: int, new_student_device: int) -> void:
 		var studentsData: Array[StudentData] = students[current_student_device]
 		for student_data: StudentData in studentsData:
 			if student_data.code == student_code:
+				if current_student_device == new_student_device:
+					Logger.trace("TeacherSettings: update_student_device: student %d new device is already current student device, no update necessary" % student_code)
+					return
 				studentsData.erase(student_data)
 				if not students.has(new_student_device):
-					Logger.warn("TeacherSettings: update_student_device: student new device does not exists, it should not be possible. Update will still work anyway.")
+					Logger.warn("TeacherSettings: update_student_device: student %d new device does not exists, it should not be possible. Update will still work anyway." % student_code)
 					students[new_student_device] = []
 				students[new_student_device].append(student_data)
 				UserDataManager.move_user_device_folder(str(current_student_device), str(new_student_device), student_code)
+				student_data.last_modified = Time.get_datetime_string_from_system(true)
+				UserDataManager.save_all()
 				return
 	Logger.warn("TeacherSettings: update_student_device: student not found with code " + str(student_code))
 
@@ -92,25 +98,13 @@ func get_new_code() -> int :
 	var code: int = codes.pick_random()
 	return code
 
-
-func get_students_count() -> int :
-	if not students:
-		return 0
-	
-	var count: int = 0
-	for device: int in students.keys():
-		var students_array: Array = students[device] as Array
-		if students_array:
-			count += students_array.size()
-	
-	return count
-
 func to_dict() -> Dictionary:
 	var dict: Dictionary = {
 		"account_type": account_type,
 		"email": email,
 		"password": password,
 		"education_method": education_method,
+		"last_modified": last_modified,
 	}
 	
 	dict["students"] = {}
@@ -123,6 +117,8 @@ func to_dict() -> Dictionary:
 	return dict
 
 func get_number_of_students() -> int:
+	if not students:
+		return 0
 	var result: int = 0
 	for datas: Array[StudentData] in students.values():
 		result += datas.size()
@@ -133,3 +129,36 @@ func get_all_students_data() -> Array[StudentData]:
 	for datas: Array[StudentData] in students.values():
 		result.append_array(datas)
 	return result
+
+func delete_student(student_code: int) -> void:
+	for device: int in students.keys():
+		for index: int in students[device].size():
+			if students[device][index].code == student_code:
+				students[device].remove_at(index)
+				if students[device].is_empty():
+					students.erase(device)
+				return
+	Logger.warn("TeacherSettings: Trying to delete student, but code %d not found" % student_code)
+
+func get_student_with_code(student_code: int) -> StudentData:
+	for student_data: StudentData in get_all_students_data():
+		if student_data.code == student_code:
+			return student_data
+	return null
+
+func get_student_device(student_code: int) -> int:
+	for device: int in students.keys():
+		for index: int in students[device].size():
+			if students[device][index].code == student_code:
+				return device
+	return -1
+
+func set_data_student_with_code(student_code: int, new_device_id: int, new_name: String, new_age: int, new_last_modified: String) -> void:
+	update_student_device(student_code, new_device_id)
+	for student_data: StudentData in students[new_device_id]:
+		if student_data.code == student_code:
+			student_data.name = new_name
+			student_data.age = new_age
+			student_data.last_modified = new_last_modified
+			return
+	Logger.error("TeacherSettings: Student %d not found to set data on it" % student_code)