Update DG Storage

docs/DeveloperGuide.md

@@ -158,6 +158,12 @@ The `Storage` component,
 * inherits from `AddressBookStorage`, `UserPrefStorage`, and `UserDataStorage` which means it can be treated as any one (if only the functionality of only one is needed).
 * depends on some classes in the `Model` component (because the `Storage` component's job is to save/retrieve objects that belong to the `Model`)
 
+<img src = "images/TimetableStorageClassDiagram.png" width="550" />
+
+The `Timetable` Classes
+* Allows users to save their friends' and their own timetables in JSON format, and read them back into corresponding objects
+* Depends on the related files in `Model`.
+
 ### Common classes
 
 Classes used by multiple components are in the `seedu.addressbook.commons` package.

docs/diagrams/StorageClassDiagram.puml

@@ -15,6 +15,7 @@ package "UserData Storage" {
 Class "<<interface>>\nUserDataStorage" as UserDataStorage
 Class JsonUserDataStorage
 Class JsonSerializableUserData
+Class JsonAdaptedUser
 }
 
 Class "<<interface>>\nStorage" as Storage
@@ -26,11 +27,11 @@ Class JsonAddressBookStorage
 Class JsonSerializableAddressBook
 Class JsonAdaptedPerson
 Class JsonAdaptedTag
-Class JsonAdaptedFreeTime
-}
-
 
 
+}
+package "Timetable Classes"{
+}
 }
 
 Class HiddenOutside #FFFFFF
@@ -50,9 +51,10 @@ JsonUserDataStorage .up.|> UserDataStorage
 JsonAddressBookStorage .up.|> AddressBookStorage
 JsonUserDataStorage ..> JsonSerializableUserData
 JsonAddressBookStorage ..> JsonSerializableAddressBook
-JsonSerializableUserData --> "1" JsonAdaptedPerson
+JsonSerializableUserData --> "1" JsonAdaptedUser
 JsonSerializableAddressBook --> "*" JsonAdaptedPerson
 JsonAdaptedPerson --> "*" JsonAdaptedTag
-JsonAdaptedPerson --> "*" JsonAdaptedFreeTime
+JsonAdaptedPerson --> "Timetable Classes"
+JsonAdaptedUser --> "Timetable Classes"
 
 @enduml

docs/diagrams/TimetableStorageClassDiagram.puml

@@ -0,0 +1,22 @@
+@startuml
+!include style.puml
+skinparam arrowThickness 1.1
+skinparam arrowColor STORAGE_COLOR
+skinparam classBackgroundColor STORAGE_COLOR
+
+Class JsonAdaptedPerson
+Class JsonAdaptedUser
+
+package "Timetable Classes"{
+Class JsonAdaptedSchedule
+Class JsonAdaptedModule
+Class JsonAdaptedCca
+Class JsonAdaptedDatedEvent
+
+JsonAdaptedSchedule *--> "*" JsonAdaptedModule
+JsonAdaptedSchedule *--> "*" JsonAdaptedCca
+JsonAdaptedSchedule *--> "*" JsonAdaptedDatedEvent
+}
+
+JsonAdaptedPerson *--> "1" JsonAdaptedSchedule
+JsonAdaptedUser *--> "1" JsonAdaptedSchedule