Separate listings of one object for each object of the type of another class [closed]

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Separate listings of one object for each object of the type of another class [closed]

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Good Night. My question is regarding the algorithm of my project, I am trying to make an application where each Client can make several requests but each request belongs to a different Client. I still remember that one-to-many logic and aggregation where every customer has a request as well. Only I do not know how to do this in the graphical interface of the program to separate each request by a client, how would I make the logic more or less in the application? Thank you.

java algoritmo

asked by anonymous 06.04.2017 / 02:54

1 answer

Error saving data from a form in DB with C # call a screen with only buttons and methods

score 0 · Accepted Answer

Graphic Interface

In the Graphical Interface you can make a Customer Table , with columns such as "Customer Name", "Order Quantity", etc. That is, each Line with a different Client.

When you click on a Line in this Customer Table you open another Screen with another Table; this second screen will have Customer information and will also have a Order Table from this Customer, with Columns such as "Order Quantity", "Order Date" etc. All Orders made by this Client will be in this Table.

When you click on a line in the Order Table you can open a Screen with the Items that are displayed in another Screen (or open in a "Call Box" [floating or not] below the Line) in this Order, where the Columns would be "Product Name", "Quantity", "Unit Value", "Total Value", etc.

Here is an example I created here from the Client Data Screen:

Notethatyouwillneedalotmorethings,suchaspaymentmethods,installments,etc.Thisisjustanideaoflayou.

ClassDesign(applicationlogic):

Youcancreatea"Customer" Class that will have a "Request" List of Objects, each "Order" Object will have List of Objects "Ordered Item", and each "Ordered Item"

ONE (Exactly ONE) Item "Item" (the Product) that already has "Code" his and his name;
The Amount (% with% of units purchased in this Order);
The "Unit Value", the "Total Value" (which is "amount * Unit Value"), and the "Paid Value".

Remember to use " Money and Currency API " or at least int to deal with money, do not use BigDecimal for this (see here because using BigDecimal instead of Double to deal with money).