feat: Log source state on transitions #37

[jonasvp]

This also renames state to target_state to make it more explicit. Using state still works except when filtering using the ORM.

[codecov-io]

Codecov Report

Merging #75 into master will increase coverage by 0.08%. The diff coverage is 100%.

@@            Coverage Diff             @@
##           master      #75      +/-   ##
==========================================
+ Coverage   96.08%   96.17%   +0.08%     
==========================================
  Files          21       22       +1     
  Lines         460      470      +10     
==========================================
+ Hits          442      452      +10     
  Misses         18       18

Impacted Files	Coverage Δ
django_fsm_log/backends.py	71.15% <ø> (ø)	:arrow_up:
django_fsm_log/admin.py	100% <ø> (ø)	:arrow_up:
django_fsm_log/migrations/0004_add_source_state.py	100% <100%> (ø)
tests/test_model.py	100% <100%> (ø)	:arrow_up:
django_fsm_log/models.py	100% <100%> (ø)	:arrow_up:

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[blueyed]

This also renames state to target_state to make it more explicit.

I am inclined to leave this out, since it might break existing use cases unnecessarily (when using the ORM on it for example).

[jonasvp]

Ok, good point. I'll change the PR.

[jonasvp]

Yes, looks better - makes the patch more concise as well.

[ticosax]

@blueyed have you had a chance to test it ?

[jonasvp]

@blueyed Did you get a chance to have another look?