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UML activity diagram: banner service, part 2
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Authored by AndyRussG on Mar 8 2022, 2:50 AM.

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	F34983538: UML activity diagram: banner service, part 2
	Mar 8 2022, 2:50 AM

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	@startuml

	scale 1.2

	title Banner service (part 2)


	(C)
	partition #lightgray "Select a banner for the selected campaign" {

	if (
	Does the selected campaign have only one bucket?
	) then (yes)
	else (no)
	if (
	Was a bucket previously selected for this campaign, for this client?
	) then (no)
	if (
	Is this a Fundraising campaign, and has the user
	previously seen a large Fundraising banner?
	) then (no)
	:Randomly choose bucket A or B.;
	else (yes)
	:Randomly choose bucket C or D.;
	endif
	else (yes)
	endif
	endif

	:Set bucket;

	if (
	Does the bucket have only one banner?
	) then (yes)
	else (no)
	if (
	Does the bucket have only one banner for this device
	and logged-in status?
	) then (yes)
	else (no)
	if (
	Is the banner sequence feature used for this campaign?
	) then (yes)
	:Select banner for next step in banner sequence.;
	else (no)
	:Roll the dice to choose a banner from among those available for
	this bucket, device and logged-in status.;
	endif
	endif
	endif

	:Banner selected;

	}

	if (
	Was the entire process deterministic?
	) then (yes)
	:Store banner name in in-memory cache of deterministic banner selections.;
	else (no)
	endif

	(A)

	detach

	(A)

	:Retrieve HTML content for this banner, for this language and campaign
	(from in-memory cache or Varnish.);

	:Return HTML elements with banner content and data for JavaScript post-processing.;

	stop

	(B)

	:Return HTML elements with no banner and data for JavaScript post-processing.;

	stop

	@enduml

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