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You are right it is a convoluted and complex invariant. It has its roots in data integrity and consistency for reports to different governmental institutions and internal statistics. If this invariant is removed the depending systems will have a very hard time presenting consistent data that the user can follow (which is the current situation we're moving away from). I really like option two. I can have the application service retrieve the data and pass to the domain object / service. Something like my third suggestion. Thank you!

CitiZen
– CitiZen

2019-01-21 23:17:22 +00:00
Commented Jan 21, 2019 at 23:17

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Correct minor typos or mistakes
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create code fences with backticks ` or tildes ~
```
like so
```
add language identifier to highlight code
```python
def function(foo):
print(foo)
```
put returns between paragraphs
for linebreak add 2 spaces at end
_italic_ or **bold**
indent code by 4 spaces
backtick escapes `like _so_`
quote by placing > at start of line
to make links (use https whenever possible)

<https://example.com>

[example](https://example.com)

<a href="https://example.com">example</a>

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