Use Case: Add Plant Relationships

Summary

• Scope: Plants Layer
• Level: User Goal
• Actors: App User
• Brief: A new plant relationship is added to the system.

Scenarios

• Precondition:
  • The user has opened the UI to propose a new relationship.
• Main success scenario:
  • Details about the relationship are provided by the user.
    • The two sides of the relationship can be
      • Specific plants
      • Taxonomic ranks which are not specific plants
    • The type of the relationship can be
      • Companion
      • Antagonist
      • Neutral
    • Notes providing information on the why's and how's.
• Alternative scenario:
  • The user creates a relationship which is only effective for one or more of her selected maps.
    In this case there is no review process. Map-specific relationships take precedence.
• Error scenario:
  • The user tries to add a global relationship where another global with identical sides already exits.
    The user is informed about this and can't create the relationship.
  • The user tries to add a map-specific relationship where another map-specific with identical sides already exits.
    The user is informed about this and can't create the relationship.
• Postcondition:
  • A new relationship between plants is reviewable by other users.
  • A new relationship between plants is considered when suggesting alternatives.
• Non-functional Constraints: