I am working on figuring out the architecture for putting together a complex modular system that has Orders, Customers, Projects and Quotes.
The customer can have multiple projects. For each project there will be at least one order or quote associated but there is the possibility of having multiple quotes and orders on each project that belongs to a customer. In the software requirements it should not be possible to have a Quote or Order without it being tied to a project.
The hang-up I am having is figuring out how to create the classes around this system. It feels wrong to have a
Customer class that has
Quotes properties which contain all of the items. It seems like the
Customers class should be extended some how to add these items rather than hard-coded as properties. Is there a design pattern I could be using, such as the decorator pattern?
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