SequenceDiagrams of CMPE451 - bounswe/bounswe2025group5 GitHub Wiki

sequenceDiagram
    actor "Registered User"
    participant Profile as "Profile Page UI"
    participant ProfileController as "Backend Controller"
    participant Database

    "Registered User"->>Profile: setPhoto(photo)
    activate Profile

    Profile->>ProfileController: updateProfilePhoto(userId, photo)
    activate ProfileController

    ProfileController->>Database: update(userId, photoData)
    activate Database
    Database-->>ProfileController: response (Success/Failure)
    deactivate Database

    alt response is Success
        ProfileController-->>Profile: "Your photo is changed !!"
    else response is Failure
        ProfileController-->>Profile: "Error: Photo does not meet requirements"
    end
    deactivate ProfileController

    Profile-->>"Registered User": Displays final message and updated photo
    deactivate Profile

sequenceDiagram
    actor "Registered User"
    participant ProfilePage as "UI: Profile Settings"
    participant Controller as "Registered User Controller"
    participant Database

    "Registered User"->>ProfilePage: Clicks "Delete Account" and confirms
    activate ProfilePage

    ProfilePage->>Controller: deleteAccount(userId, password)
    activate Controller

    Controller->>Database: deleteByName(userId, password)
    activate Database
    Database-->>Controller: Deletion Status (Success/Failure)
    deactivate Database

    alt Deletion Status is Success
        Controller-->>ProfilePage: Success
    else Deletion Status is Failure
        Controller-->>ProfilePage: Failure
    end
    deactivate Controller

    alt Success
        ProfilePage-->>"Registered User": "Account successfully deleted."
        Note over ProfilePage, "Registered User": User is logged out and redirected.
    else Failure
        ProfilePage-->>"Registered User": Error: "Deletion failed. Please check credentials."
    end
    deactivate ProfilePage

sequenceDiagram
    actor User
    participant App as "Profile Page UI"
    participant FollowController as "Backend Controller"
    participant Database

    User->>App: Clicks "Follow" button
    activate App

    App->>FollowController: createFollow(followerId, followedId)
    activate FollowController

    FollowController->>Database: Insert Follow Relationship
    activate Database
    Database-->>FollowController: Confirmation (Success/Failure)
    deactivate Database

    FollowController-->>App: Status (Success/Failure)
    deactivate FollowController

    alt Success
        App-->>User: Update button to "Unfollow"
    else Failure
        App-->>User: Show error message
    end
    deactivate App

sequenceDiagram
    actor User
    participant App as "Profile Page UI"
    participant FollowController as "Backend Controller"
    participant Database

    User->>App: Clicks "Unfollow" button
    activate App

    App->>FollowController: deleteFollow(followerId, followedId)
    activate FollowController

    FollowController->>Database: Delete Follow Relationship
    activate Database
    Database-->>FollowController: Confirmation (Success/Failure)
    deactivate Database

    FollowController-->>App: Status (Success/Failure)
    deactivate FollowController

    alt Success
        App-->>User: Update button to "Follow"
    else Failure
        App-->>User: Show error message
    end
    deactivate App

sequenceDiagram
    actor Moderator
    participant ModeratorClass as Moderator Class
    participant Database

    Moderator->>ModeratorClass: approveRequestedChallenge(challengeId)
    activate ModeratorClass
    ModeratorClass->>Database: activate(challengeId)
    activate Database
    Database-->>ModeratorClass: status
    deactivate Database


    alt status = 2
        ModeratorClass-->>Moderator: Already active challenge
    else status = 0
        ModeratorClass-->>Moderator: No requested challenge
    else status = 1
        ModeratorClass-->>Moderator: Activated
    end
    deactivate ModeratorClass

sequenceDiagram
    participant User
    participant App
    participant Challenge
    participant Database

    User ->> App: Request to Join Challenge (challengeId)
    App ->> Database: Check if Challenge Exists (challengeId)
    Database -->> App: Challenge Exists? (Yes/No)
    
    alt Challenge Not Found
        App -->> User: Error: Challenge Not Found
    else Challenge Exists
        App ->> Challenge: addParticipant(userId)
        Challenge ->> Database: Store Participant Entry
        Database -->> Challenge: Confirmation
        Challenge -->> App: Success
        App -->> User: Successfully Joined Challenge
    end

sequenceDiagram
    participant User
    participant App
    participant Challenge
    participant Database

    User ->> App: Request to Log Waste (challengeId, amount, wasteType)
    App ->> Database: Check if User is Participant (userId, challengeId)
    Database -->> App: Is Participant? (Yes/No)

    alt User is not a participant
        App -->> User: Error: You must join the challenge to log waste
    else User is a participant
        App ->> Challenge: updateProgress(userId, amount, wasteType)
        activate Challenge
        Challenge ->> Database: Store Progress Entry
        activate Database
        Database -->> Challenge: Confirmation
        deactivate Database
        Challenge -->> App: Success
        deactivate Challenge
        App -->> User: Successfully Logged Waste
    end

sequenceDiagram
    actor U as User
    participant RU as RegisteredUser
    participant WG as WasteGoal

    U ->> RU: viewGoals(userId)
    activate RU
    RU -->> U: return List<WasteGoal>
    deactivate RU

    U ->> RU: createWasteGoal(name, duration, type, amount)
    activate RU

    RU ->> WG: new WasteGoal(...)
    activate WG
    WG -->> RU: return instance
    deactivate WG

    RU -->> U: return "Goal created successfully"
    deactivate RU

sequenceDiagram
    actor Registered User
    participant ForumFeed as ForumFeed
    participant Wikidata

    Registered User->>ForumFeed: search(prompt)
    activate ForumFeed
    ForumFeed->>Wikidata: semanticSearch(prompt)
    activate Wikidata
    Wikidata-->>ForumFeed: response
    deactivate Wikidata
    alt response=no result

        ForumFeed-->>Registered User: "No result found"
    else response=result
        ForumFeed-->>Registered User: results
    end
    
    deactivate ForumFeed