guardian / memsub-promotions - 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 251 units with 2,152 lines of code in units (39.3% of code).

0 very complex units (0 lines of code)
0 complex units (0 lines of code)
5 medium complex units (158 lines of code)
12 simple units (129 lines of code)
234 very simple units (1,865 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
def read() in app/com/gu/memsub/subsv2/reads/ChargeListReads.scala	31	23	2
def fromId() in app/com/gu/memsub/ProductFamily.scala	15	14	1
def bestCancelledPlan[P <: SubscriptionPlan.AnyPlan]() in app/com/gu/memsub/subsv2/Subscription.scala	28	14	1
function generatePutRequestFromDynamoPromoCodeObject() in lambdas/src/MembershipSub-Promotions-to-PromoCode-View-Lambda.js	35	12	3
function generatePutRequest() in lambdas/src/MembershipSub-Reconstruct-PromoCode-View.js	49	11	4
def apply() in app/com/gu/memsub/subsv2/Subscription.scala	12	10	1
def fromId() in app/com/gu/memsub/ProductFamily.scala	10	9	1
override def reads() in app/com/gu/memsub/promo/Formatters.scala	9	8	1
override def reads() in app/com/gu/memsub/subsv2/reads/CommonReads.scala	9	8	1
override def reads() in app/com/gu/memsub/promo/Formatters.scala	8	7	1
def writes() in app/com/gu/memsub/promo/Formatters.scala	15	7	1
def fromId() in app/com/gu/memsub/promo/Promotion.scala	8	7	1
override def compare() in app/com/gu/memsub/subsv2/Subscription.scala	16	7	2
def sortCurrency =() in app/controllers/RatePlanController.scala	9	7	1
def writes() in app/com/gu/memsub/promo/Formatters.scala	9	6	1
def apply[A]() in app/com/gu/memsub/subsv2/Subscription.scala	12	6	1
def many[P <: CatalogPlan[Product, ChargeList, Status]]() in app/com/gu/memsub/subsv2/services/CatalogService.scala	12	6	2
es6 export default() in frontend/src/directives/ChannelCodes.es6	27	5	0
es6 getCampaignGroupPrefix() in frontend/src/services/EnvironmentService.es6	9	5	0
es6 validate() in frontend/src/services/PromotionService.es6	21	5	1
es6 imageChanged() in frontend/src/controllers/GridImageSelectorController.es6	10	5	1
override def reads() in app/com/gu/memsub/promo/Formatters.scala	6	5	1
override def reads() in app/com/gu/memsub/promo/Formatters.scala	6	5	1
override def reads() in app/com/gu/memsub/subsv2/reads/CatJsonReads.scala	6	5	1
override def point[A]() in app/com/gu/memsub/subsv2/reads/CommonReads.scala	7	5	1
def read() in app/com/gu/memsub/subsv2/reads/ChargeListReads.scala	7	5	2
def read() in app/com/gu/memsub/subsv2/reads/ChargeListReads.scala	6	5	2
def findDigipack() in app/com/gu/memsub/subsv2/reads/ChargeListReads.scala	6	5	2
es6 fetchCampaigns() in frontend/src/controllers/CampaignListController.es6	9	4	0
es6 promotionUpdated() in frontend/src/controllers/PreviewPromotionController.es6	11	4	2
def getStage() in app/wiring/AppComponents.scala	9	4	1
def fetchObject() in app/com/gu/aws/AwsS3Client.scala	19	4	2
override def writes() in app/com/gu/memsub/promo/Formatters.scala	5	4	1
override def writes() in app/com/gu/memsub/promo/Formatters.scala	5	4	1
def fromId() in app/com/gu/memsub/ProductFamily.scala	5	4	1
def read() in app/com/gu/memsub/subsv2/reads/ChargeListReads.scala	11	4	2
def validateBillingPeriod() in app/com/gu/memsub/subsv2/reads/ChargeListReads.scala	5	4	1
def getBillingPeriod() in app/com/gu/memsub/subsv2/reads/ChargeListReads.scala	8	4	1
def validateBillingPeriod() in app/com/gu/memsub/subsv2/reads/ChargeListReads.scala	5	4	1
def getBillingPeriod() in app/com/gu/memsub/subsv2/reads/ChargeListReads.scala	8	4	1
def one[P <: CatalogPlan[Product, ChargeList, Status]]() in app/com/gu/memsub/subsv2/services/CatalogService.scala	6	4	3
def plansFor() in app/conf/WeeklyPlans.scala	13	4	2
function handleEventRecords() in lambdas/src/MembershipSub-Promotions-to-PromoCode-View-Lambda.js	12	4	1
function chunkedUpdateOfPromoCodes() in lambdas/src/MembershipSub-Promotions-to-PromoCode-View-Lambda.js	10	4	2
function testJobHasCompleted() in lambdas/src/MembershipSub-PromoCode-View-Dynamo-to-Salesforce.js	28	4	3
def commitId() in build.sbt	5	3	0
es6 export default() in frontend/src/directives/GridImageSelector.es6	29	3	1
es6 export default() in frontend/src/directives/DeleteEmpty.es6	22	3	0
es6 export default() in frontend/src/config/DateConfig.es6	12	3	1
es6 deleteCode() in frontend/src/controllers/ChannelCodesController.es6	10	3	3