@startuml package "Stagelist Collections" #DDFFDD { class Stagelist{ id UUID PR name String description String creator String } } package "User Collections" #DDDDFF { class User{ id UUID PR firstname String lastname String email String password String password_hash String organ_data Organization role String created_at Date } class Organization{ name String address String telephone String email String } User o-- Organization : belongsTo } package "Contract Collections" #FFDDDD { class Contract{ id UUID PR name String buyer_id UUID FR seller_id UUID FR status String stage_data []Stage created_at Date end_time Date } class Stage{ stagelist_id UUID FR status String expires String note String reject_note String Null document_data []Document created_at Date end_time Date } class Document{ url String type String note String created_at Date } Contract *-- Stage : contains Stage *-- Document : contains } User --> Contract : buyer,seller Stagelist --> Stage : stagelist_id @enduml Submit amiga aws-orange black-knight bluegray blueprint cerulean-outline cerulean crt-amber crt-green cyborg-outline cyborg hacker lightgray mars materia-outline materia metal mimeograph minty plain reddress-darkblue reddress-darkgreen reddress-darkorange reddress-darkred reddress-lightblue reddress-lightgreen reddress-lightorange reddress-lightred sandstone silver sketchy-outline sketchy spacelab spacelab-white superhero-outline superhero toy united vibrant       🎉 Discover the future PlantUML Web Editor! 🚀  PNG  SVG  ASCII Art