Class diagram

Class-diagram

@startuml
' ===== HmH Domain Model (aligned with wireframe search page) =====

abstract class User {
  - int userId
  - Boolean status
  - String name
  - String email
  - String passwordHash
  + getUserId() : int 
  + getStatus() : Boolean
  + getName() : String  
  + getEmail() : String
  + getPasswordHash() : String

  + register()
  + login()
  + logout()
  + updateProfile()

  {abstract} + makeDonation() : Donation
  + {redefines} toString() : String
}

class Admin {
    - {inherited} super User

    + addOrganization(orgNumber : int) : boolean
    + removeOrganization(orgNumber : int) : boolean
    + removeCustomer(userId : int) : boolean
}

class Customer {
    - {inherited} super User
    - List<orgNumber> preferredCauses
    - Hashmap<Localdate, Donation> donationLog

    + getPreferredCauses() : List<orgNumber>
    + getDonationLog() : Hashmap<Localdate, Donation>
}


class Organization {
    - int orgNumber
    - String name 
    - boolean trusted
    - String websiteURL
    - boolean isPreApproved

    + getOrgNumber() : int
    + getName() : String
    + isTrusted() : boolean
    + getWebsiteURL() : String
    + isPreApproved() : boolean
    + {redefines} toString() : String
}

class OrganizationRegister {
    - Hashmap<orgNumber, Organization> searchPage
    + getAllOrganizations() : List<Organization>
    + getOrganization(orgNumber : int) : Organization
    + searchOrganizationByName(name : String) : Organization
    + filterByVerificationStatus(isTrusted : boolean) : List<Organization>
}

class Donation {
    -int donationId
    -User user
    -Organization organization
    -BigDecimal amount
    -Date date
    -String paymentMethod

    + getDonationId() : int
    + getUser() : User
    + getOrganization() : Organization
    + getAmount() : BigDecimal
    + getDate() : Date
    + getPaymentMethod() : String
}

class IKVerification {
    -int verificationId
    -String status
    -Date lastChecked
    -String source   ' API or CSV
}

' ===== Relationships =====
User  <|--  Customer : inherits
Customer <.. Donation : uses
Donation ..> Organization : uses
Organization ..> Customer : uses (maybe)
Customer <.. OrganizationRegister : uses (maybe)

Admin --|> User : inherits
Admin <.. OrganizationRegister : uses
Admin <.. Donation : uses (maybe)
Admin <.. IKVerification : uses (maybe)
Admin <.. Organization : uses (maybe)


OrganizationRegister  *-- Organization : composition

OrganizationRegister <.. IKVerification : uses

@enduml