# Логическая модель данных

![[ER.svg]]

<details>
    @startuml

    entity Promise {
      * ID: uuid
      --
      * text: string
      due: datetime
      BeneficiaryID: uuid
      ParentPromiseID: uuid
    }

    entity Beneficiary {
      * ID: uuid
      --
      * name: string
    }

    entity Commitment {
      * ID: uuid
      --
      PromiseID: uuid
      CommiterID: uuid
      due: datetime
    }

    entity Commiter {
      * ID: uuid
      --
      * name: string
    }

    Commitment }|--|| Promise : belongs to
    Commitment }|--|| Commiter : made by
    Promise }o--|| Beneficiary : has
    Promise }--o Promise : parent of

    @enduml
</details>