Use Cases: Photographs

Photographs

Use Case Name	AddTaskPhotograph
Participating Actors	Task Requester
Goal	Task requester adds one or more photographs to a task
Trigger	Task Requester chooses add photograph option
Precondition	Task Requester has a photograph they wish to add to the task
Postcondition	A photograph is added to the task
Basic Flow 1	Task Requester adds photograph(s) to be included with task
2	System adds chosen photographs to task
Exception 2	If the photograph exceeds the maximum size
2.1	System displays an error message
2.2	System returns to step 1
Related Artifacts	US 09.01.01, US 09.03.01

Use Case Name	ViewTaskPhotograph
Participating Actors	Task Requester, Task Provider
Goal	A list of photographs for a task is viewable
Trigger	Task Requester or Task Provider chooses view photograph option
Precondition	The task has at least one photograph to be viewed
Postcondition	A photograph is displayed
Basic Flow 1	System displays the chosen photograph for a particular task
Related Artifacts	US 09.02.01

Use Case Name	AssertPhotographSize
Participating Actors	System
Goal	Any photograph added is below 65536 bytes in size
Trigger	A photograph is added to a task
Precondition	There exists a photo to be added to a task
Postcondition	The photograph to be added did not exceed 65536 bytes
Basic Flow 1	System examines size of photograph
Exception 1	If the photograph is 65536 bytes or larger
1.1	System displays error message
Related Artifacts	US 09.03.01