/**
* Returns the list of feed item IDs that are used by a campaign through a given campaign feed.
*/
private static Set<Long> getFeedItemIdsForCampaign(CampaignFeed campaignFeed) throws Exception {
Set<Long> feedItemIds = Sets.newHashSet();
FunctionOperator functionOperator = campaignFeed.getMatchingFunction().getOperator();
if (FunctionOperator.IN.equals(functionOperator)) {
// Check if matchingFunction is of the form IN(FEED_ITEM_ID,{xxx,xxx}).
// Extract feed items if applicable.
feedItemIds.addAll(getFeedItemIdsFromArgument(campaignFeed.getMatchingFunction()));
} else if (FunctionOperator.AND.equals(functionOperator)) {
for (FunctionArgumentOperand argument : campaignFeed.getMatchingFunction().getLhsOperand()) {
// Check if matchingFunction is of the form IN(FEED_ITEM_ID,{xxx,xxx}).
// Extract feed items if applicable.
if (argument instanceof FunctionOperand) {
FunctionOperand operand = (FunctionOperand) argument;
if (FunctionOperator.IN.equals(operand.getValue().getOperator())) {
feedItemIds.addAll(getFeedItemIdsFromArgument(operand.getValue()));
}
}
}
} else {
// There are no other matching functions involving feed item IDs.
}
return feedItemIds;
}
/** Gets the platform restrictions for sitelinks in a campaign. */
private static ExtensionSettingPlatform getPlatformRestictionsForCampaign(
CampaignFeed campaignFeed) {
String platformRestrictions = ExtensionSettingPlatform.NONE.getValue();
if (FunctionOperator.AND.equals(campaignFeed.getMatchingFunction().getOperator())) {
for (FunctionArgumentOperand argument : campaignFeed.getMatchingFunction().getLhsOperand()) {
if (argument instanceof FunctionOperand) {
FunctionOperand operand = (FunctionOperand) argument;
if (FunctionOperator.EQUALS.equals(operand.getValue().getOperator())
&& (operand.getValue().getLhsOperand(0) instanceof RequestContextOperand)) {
RequestContextOperand requestContextOperand =
(RequestContextOperand) operand.getValue().getLhsOperand(0);
if (RequestContextOperandContextType.DEVICE_PLATFORM.equals(
requestContextOperand.getContextType())) {
platformRestrictions =
((ConstantOperand) operand.getValue().getRhsOperand(0)).getStringValue();
}
}
}
}
}
return ExtensionSettingPlatform.fromString(platformRestrictions.toUpperCase());
}