guardian / mobile-purchases - 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 194 units with 3,499 lines of code in units (39.1% of code).

0 very complex units (0 lines of code)
2 complex units (243 lines of code)
5 medium complex units (342 lines of code)
21 simple units (881 lines of code)
166 very simple units (2,033 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
function parseAppleReceiptInfo() in typescript/src/pubsub/apple-common.ts	149	35	1
function parseNotification() in typescript/src/pubsub/apple-common.ts	94	30	1
function parsePendingRenewalInfo() in typescript/src/pubsub/apple-common.ts	51	18	1
def update() in adjust_report_etl/connector.py	135	15	2
export async function handler() in typescript/src/soft-opt-ins/dlq-processor.ts	65	12	1
export async function handler() in typescript/src/subscription-status/googleSubStatus.ts	52	11	1
function checkResponseStatus() in typescript/src/services/appleValidateReceipts.ts	39	11	1
export async function parseAndStoreLink() in typescript/src/link/link.ts	49	10	2
export async function handler() in typescript/src/link/deleteLink.ts	46	10	1
export async function handler() in typescript/src/user/user.ts	39	10	1
export async function handler() in typescript/src/export/exportSubscriptions-v2.ts	38	10	0
export async function processAcquisition() in typescript/src/soft-opt-ins/processSubscription.ts	53	10	2
async function getUserEmailAddress() in typescript/src/soft-opt-ins/processSubscription.ts	35	9	2
function parseExpirationIntent() in typescript/src/pubsub/apple-common.ts	20	8	1
export async function handler() in typescript/src/soft-opt-ins/acquisitions.ts	46	8	1
function debugCleanPayload() in typescript/src/pubsub/apple-common.ts	24	7	3
function parseUnifiedReceipt() in typescript/src/pubsub/apple-common.ts	35	7	1
export async function toDynamoEvent_apple_async() in typescript/src/pubsub/apple.ts	66	7	2
export function buildHandler() in typescript/src/feast/pubsub/google.ts	49	7	2
async function getSqsClientForSoftOptIns() in typescript/src/utils/aws.ts	30	6	0
async function enqueueUnstoredPurchaseToken() in typescript/src/link/link.ts	45	6	1
async function getSubscriptions() in typescript/src/user/user.ts	42	6	1
export async function handler() in typescript/src/export/exportHistoricalData.ts	41	6	1
export async function parseStoreAndSend_async() in typescript/src/pubsub/pubsub.ts	50	6	2
export function buildHandler() in typescript/src/feast/pubsub/apple.ts	44	6	2
function getReceiptInfo() in typescript/src/services/appleValidateReceipts.ts	39	6	0
export async function getGoogleSubResponse() in typescript/src/update-subs/google.ts	47	6	1
export async function toAppleSubscription_async() in typescript/src/update-subs/apple.ts	43	6	1
def commonAssemblySettings() in build.sbt	8	5	1
async function getSqsClientForComms() in typescript/src/utils/aws.ts	29	5	0
export async function getUserId() in typescript/src/utils/guIdentityApi.ts	37	5	1
export async function handler() in typescript/src/export/exportEvents.ts	27	5	1
export async function handler() in typescript/src/export/exportSubscriptions.ts	33	5	0
async function getSubscriptionStatusFromDynamo() in typescript/src/subscription-status/googleSubStatus.ts	32	5	2
export function toSensiblePayloadFormat() in typescript/src/services/appleValidateReceipts.ts	58	5	2
startTime: parseNullableDate() in typescript/src/services/google-play-v2.ts	13	5	1
userCancellationTime: parseNullableDate() in typescript/src/services/google-play-v2.ts	11	5	1
productId: mapAndroidProductId() in typescript/src/services/google-play-v2.ts	9	5	3
freeTrial: isFreeTrial() in typescript/src/services/google-play-v2.ts	7	5	2
export async function parseAndStoreSubscriptionUpdate() in typescript/src/update-subs/updatesub.ts	36	5	2
def accessToken() in scala/google-oauth/src/main/scala/com.gu.mobilepurchases.googleoauth/lambda/GoogleOAuth.scala	14	4	0
def fetchConfiguration() in scala/google-oauth/src/main/scala/com.gu.mobilepurchases.googleoauth/lambda/GoogleOAuth.scala	9	4	0
def execute() in scala/common/src/main/scala/com/gu/mobilepurchases/shared/lambda/LambdaApiGateway.scala	15	4	2
function recursivelyFetchConfig() in typescript/src/utils/ssmConfig.ts	30	4	2
export function getConfigValue() in typescript/src/utils/ssmConfig.ts	15	4	2
function platformToPackage() in typescript/src/link/google.ts	12	4	1
async function deleteUserSubscription() in typescript/src/link/deleteLink.ts	16	4	1
async function recursivelyFetchSqsMessages() in typescript/src/export/exportHistoricalData.ts	27	4	3
function parseBinaryStatus() in typescript/src/pubsub/apple-common.ts	12	4	1
export function parsePayload() in typescript/src/pubsub/google-common.ts	28	4	1