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Data Controller Module: initial release #8484
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/** | ||
* This module validates the configuration and filters data accordingly | ||
* @module modules/dataController | ||
*/ | ||
import {config} from '../../src/config.js'; | ||
import {getHook, module} from '../../src/hook.js'; | ||
import {deepAccess, prefixLog, deepSetValue} from '../../src/utils.js'; | ||
import {startAuction} from '../../src/prebid.js'; | ||
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const LOG_PRE_FIX = 'Data_Controller : '; | ||
const ALL = '*'; | ||
const MODULE_NAME = 'dataController'; | ||
const GLOBAL = 'global'; | ||
let _dataControllerConfig; | ||
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const _logger = prefixLog(LOG_PRE_FIX); | ||
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/** | ||
* BidderRequests hook to intiate module and reset data object | ||
*/ | ||
export function filterBidData(fn, req) { | ||
if (_dataControllerConfig.filterEIDwhenSDA) { | ||
filterEIDs(req.adUnits, req.ortb2Fragments); | ||
} | ||
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if (_dataControllerConfig.filterSDAwhenEID) { | ||
filterSDA(req.adUnits, req.ortb2Fragments); | ||
} | ||
fn.call(this, req); | ||
return req; | ||
} | ||
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function containsConfiguredEIDS(eidSourcesMap, bidderCode) { | ||
if (_dataControllerConfig.filterSDAwhenEID.includes(ALL)) { | ||
return true; | ||
} | ||
let bidderEIDs = eidSourcesMap.get(bidderCode); | ||
if (bidderEIDs == undefined) { | ||
return false; | ||
} | ||
let containsEIDs = false; | ||
_dataControllerConfig.filterSDAwhenEID.forEach(source => { | ||
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. This could be rewritten as
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if (bidderEIDs.has(source)) { | ||
containsEIDs = true; | ||
} | ||
}); | ||
return containsEIDs; | ||
} | ||
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function containsConfiguredSDA(segementMap, bidderCode) { | ||
if (_dataControllerConfig.filterEIDwhenSDA.includes(ALL)) { | ||
return true; | ||
} | ||
return hasValue(segementMap.get(bidderCode)) || hasValue(segementMap.get(GLOBAL)) | ||
} | ||
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function hasValue(bidderSegement) { | ||
let containsSDA = false; | ||
if (bidderSegement == undefined) { | ||
return false; | ||
} | ||
_dataControllerConfig.filterEIDwhenSDA.forEach(segment => { | ||
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. same, |
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if (bidderSegement.has(segment)) { | ||
containsSDA = true; | ||
} | ||
}); | ||
return containsSDA; | ||
} | ||
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function getSegmentConfig(ortb2Fragments) { | ||
let bidderSDAMap = new Map(); | ||
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. there's some duplication in here, which you could avoid by reusing the same logic for both global and bidder data. Here's a possible refactor to illustrate what I mean:
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. Fixed |
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let globalUserData = deepAccess(ortb2Fragments, 'global.user.data') || []; | ||
let globalSegment = constructSegment(globalUserData); | ||
if (globalSegment && globalSegment.size > 0) { | ||
bidderSDAMap.set(GLOBAL, globalSegment); | ||
} | ||
if (ortb2Fragments.bidder) { | ||
for (const [key, value] of Object.entries(ortb2Fragments.bidder)) { | ||
let userData = deepAccess(value, 'user.data') || []; | ||
let segmentSet = constructSegment(userData); | ||
if (segmentSet && segmentSet.size > 0) { | ||
bidderSDAMap.set(key, segmentSet); | ||
} | ||
} | ||
} | ||
return bidderSDAMap; | ||
} | ||
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function constructSegment(userData) { | ||
let segmentSet; | ||
if (userData) { | ||
segmentSet = new Set(); | ||
for (let i = 0; i < userData.length; i++) { | ||
let segments = userData[i].segment; | ||
let segmentPrefix = ''; | ||
if (userData[i].name) { | ||
segmentPrefix = userData[i].name + ':'; | ||
} | ||
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if (userData[i].ext && userData[i].ext.segtax) { | ||
segmentPrefix += userData[i].ext.segtax + ':'; | ||
} | ||
for (let j = 0; j < segments.length; j++) { | ||
segmentSet.add(segmentPrefix + segments[j].id); | ||
} | ||
} | ||
} | ||
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return segmentSet; | ||
} | ||
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function getEIDsSource(adUnits) { | ||
let bidderEIDSMap = new Map(); | ||
adUnits.forEach(adUnit => { | ||
adUnit.bids.forEach(bid => { | ||
let userEIDs = deepAccess(bid, 'userIdAsEids') || []; | ||
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if (userEIDs) { | ||
let sourceSet = new Set(); | ||
for (let i = 0; i < userEIDs.length; i++) { | ||
let source = userEIDs[i].source; | ||
sourceSet.add(source); | ||
} | ||
bidderEIDSMap.set(bid.bidder, sourceSet); | ||
} | ||
}); | ||
}); | ||
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return bidderEIDSMap; | ||
} | ||
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function filterSDA(adUnits, ortb2Fragments) { | ||
let bidderEIDSMap = getEIDsSource(adUnits); | ||
let resetGlobal = false; | ||
for (const [key, value] of Object.entries(ortb2Fragments.bidder)) { | ||
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more.
If as the pub I do
and assuming there's nothing else, here
so this logic would have no effect, and downstream in the adapters the final
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let resetSDA = containsConfiguredEIDS(bidderEIDSMap, key); | ||
if (resetSDA) { | ||
deepSetValue(value, 'user.data', []) | ||
resetGlobal = true; | ||
} | ||
} | ||
if (resetGlobal) { | ||
deepSetValue(ortb2Fragments, 'global.user.data', []) | ||
} | ||
} | ||
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function filterEIDs(adUnits, ortb2Fragments) { | ||
let segementMap = getSegmentConfig(ortb2Fragments); | ||
let globalEidUpdate = false; | ||
adUnits.forEach(adUnit => { | ||
adUnit.bids.forEach(bid => { | ||
let resetEID = containsConfiguredSDA(segementMap, bid.bidder); | ||
if (resetEID) { | ||
globalEidUpdate = true; | ||
bid.userIdAsEids = []; | ||
bid.userId = {}; | ||
if (ortb2Fragments.bidder) { | ||
let bidderFragment = ortb2Fragments.bidder[bid.bidder]; | ||
let userExt = deepAccess(bidderFragment, 'user.ext.eids') || []; | ||
if (userExt) { | ||
deepSetValue(bidderFragment, 'user.ext.eids', []) | ||
} | ||
} | ||
} | ||
}); | ||
}); | ||
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if (globalEidUpdate) { | ||
deepSetValue(ortb2Fragments, 'global.user.ext.eids', []) | ||
} | ||
return adUnits; | ||
} | ||
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export function init() { | ||
const confListener = config.getConfig(MODULE_NAME, dataControllerConfig => { | ||
if (!dataControllerConfig || !dataControllerConfig.dataController) { | ||
_logger.logInfo(`Data Controller is not configured`); | ||
startAuction.getHooks({hook: filterBidData}).remove(); | ||
return; | ||
} | ||
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if (dataControllerConfig.dataController.filterEIDwhenSDA && dataControllerConfig.dataController.filterSDAwhenEID) { | ||
_logger.logInfo(`Data Controller can be configured with either filterEIDwhenSDA or filterSDAwhenEID`); | ||
startAuction.getHooks({hook: filterBidData}).remove(); | ||
return; | ||
} | ||
confListener(); // unsubscribe config listener | ||
_dataControllerConfig = dataControllerConfig.dataController; | ||
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. I think we can clean this up a little to store the dataController in a const then reference that instead or referencing the full path each time. i.e.
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. Updated |
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getHook('startAuction').before(filterBidData); | ||
}); | ||
} | ||
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init(); | ||
module(MODULE_NAME, init); |
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# Overview | ||
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``` | ||
Module Name: Data Controller Module | ||
``` | ||
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# Description | ||
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This module will filter EIDs and SDA based on the configurations. | ||
The filtered EIDs are stored in 'dcUsersAsEids' configuration and filtered SDA are updated in bidder configuration. | ||
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. Is this detail no longer relevant? I am not seeing any of this stored any longer, so if that is the case, can this be removed |
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Sub module object with the following keys: | ||
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| param name | type | Scope | Description | Params | | ||
| :------------ | :------------ | :------ | :------ | :------ | | ||
| filterEIDwhenSDA | function | optional | Filters user EIDs based on SDA | bidrequest | | ||
| filterSDAwhenEID | function | optional | Filters SDA based on configured EIDs | bidrequest | | ||
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# Module Control Configuration | ||
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``` | ||
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pbjs.setConfig({ | ||
dataController: { | ||
filterEIDwhenSDA: ['*'] | ||
filterSDAwhenEID: ['id5-sync.com'] | ||
} | ||
}); | ||
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``` |
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
You can use an empty object as a unique Map key (
const GLOBAL = {}
), it has the advantage that it cannot clash with, for example, a custom alias bidder named 'global'.