JetBrains / sample_rails_app_7th_ed Conditional Complexity

Intro

Conditional complexity (also called cyclomatic complexity) is a term used to measure the complexity of software. The term refers to the number of possible paths through a program function. A higher value ofter means higher maintenance and testing costs (infosecinstitute.com).
Conditional complexity is calculated by counting all conditions in the program that can affect the execution path (e.g. if statement, loops, switches, and/or operators, try and catch blocks...).
Conditional complexity is measured at the unit level (methods, functions...).
Units are classified in four categories based on the measured McCabe index: 1-5 (simple units), 6-10 (medium complex units), 11-25 (complex units), 26+ (very complex units).

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Conditional Complexity Overall

There are 76 units with 425 lines of code in units (25.5% of code).

0 very complex units (0 lines of code)
0 complex units (0 lines of code)
0 medium complex units (0 lines of code)
2 simple units (34 lines of code)
74 very simple units (391 lines of code)

Legend:

51+

26-50

11-25

6-10

1-5

Alternative Visuals

3D view of all units

Conditional Complexity per Extension

51+

26-50

11-25

6-10

1-5

Conditional Complexity per Logical Component

primary logical decomposition

51+

26-50

11-25

6-10

1-5

Most Complex Units

Top 50 most complex units

Unit	# lines	McCabe index	# params
current_user in app/helpers/sessions_helper.rb	14	7	0
create in app/controllers/sessions_controller.rb	20	6	0
edit in app/controllers/account_activations_controller.rb	12	4	0
valid_user in app/controllers/password_resets_controller.rb	6	4	0
update in app/controllers/password_resets_controller.rb	13	3	0
change in db/migrate/20220408210940_create_active_storage_tables.active_storage.rb	36	3	0
primary_and_foreign_key_types in db/migrate/20220408210940_create_active_storage_tables.active_storage.rb	7	3	0
create in app/controllers/users_controller.rb	10	2	0
update in app/controllers/users_controller.rb	9	2	0
correct_user in app/controllers/users_controller.rb	4	2	0
admin_user in app/controllers/users_controller.rb	3	2	0
home in app/controllers/static_pages_controller.rb	6	2	0
create in app/controllers/microposts_controller.rb	11	2	0
destroy in app/controllers/microposts_controller.rb	9	2	0
correct_user in app/controllers/microposts_controller.rb	4	2	0
destroy in app/controllers/sessions_controller.rb	4	2	0
logged_in_user in app/controllers/application_controller.rb	7	2	0
create in app/controllers/password_resets_controller.rb	12	2	0
check_expiration in app/controllers/password_resets_controller.rb	6	2	0
current_user? in app/helpers/sessions_helper.rb	3	2	1
store_location in app/helpers/sessions_helper.rb	3	2	0
full_title in app/helpers/application_helper.rb	8	2	1
session_token in app/models/user.rb	3	2	0
authenticated? in app/models/user.rb	5	2	2
follow in app/models/user.rb	3	2	1
index in app/controllers/users_controller.rb	3	1	0
show in app/controllers/users_controller.rb	4	1	0
new in app/controllers/users_controller.rb	3	1	0
edit in app/controllers/users_controller.rb	3	1	0
destroy in app/controllers/users_controller.rb	5	1	0
following in app/controllers/users_controller.rb	6	1	0
followers in app/controllers/users_controller.rb	6	1	0
user_params in app/controllers/users_controller.rb	4	1	0
help in app/controllers/static_pages_controller.rb	2	1	0
about in app/controllers/static_pages_controller.rb	2	1	0
contact in app/controllers/static_pages_controller.rb	2	1	0
micropost_params in app/controllers/microposts_controller.rb	3	1	0
new in app/controllers/sessions_controller.rb	2	1	0
create in app/controllers/relationships_controller.rb	8	1	0
destroy in app/controllers/relationships_controller.rb	8	1	0
new in app/controllers/password_resets_controller.rb	2	1	0
edit in app/controllers/password_resets_controller.rb	2	1	0
user_params in app/controllers/password_resets_controller.rb	3	1	0
get_user in app/controllers/password_resets_controller.rb	3	1	0
log_in in app/helpers/sessions_helper.rb	4	1	1
remember in app/helpers/sessions_helper.rb	5	1	1
logged_in? in app/helpers/sessions_helper.rb	3	1	0
forget in app/helpers/sessions_helper.rb	5	1	1
log_out in app/helpers/sessions_helper.rb	5	1	0
gravatar_for in app/helpers/users_helper.rb	6	1	2