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feat: Support alias requests via WebView bridge #643

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feat: Support alias requests via WebView bridge #643

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99 changes: 99 additions & 0 deletions android-core/src/main/java/com/mparticle/internal/MParticleJSInterface.java
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,7 @@
import com.mparticle.commerce.Product;
import com.mparticle.commerce.Promotion;
import com.mparticle.commerce.TransactionAttributes;
import com.mparticle.identity.AliasRequest;
import com.mparticle.identity.IdentityApi.SingleUserIdentificationCallback;
import com.mparticle.identity.IdentityApiRequest;
import com.mparticle.identity.MParticleUser;
Expand Down Expand Up @@ -98,6 +99,12 @@ public class MParticleJSInterface {
protected static final String IDENTITY = "Identity";
protected static final String TYPE = "Type";

// Alias (Identity) keys - accept multiple JS naming conventions
private static final String ALIAS_SOURCE_MPID = "source_mpid";
private static final String ALIAS_DESTINATION_MPID = "destination_mpid";
private static final String ALIAS_START_TIME_MS = "start_unixtime_ms";
private static final String ALIAS_END_TIME_MS = "end_unixtime_ms";

public MParticleJSInterface() {
Product.setEqualityComparator(new Product.EqualityComparator() {
@Override
Expand Down Expand Up @@ -168,6 +175,61 @@ public void modify(String json) {
MParticle.getInstance().Identity().modify(request);
}

/**
* Initiate an Identity Alias request.
*
* Expects JSON containing:
* - source mpid
* - destination mpid (if omitted, will default to current user's mpid when available)
* - start/end times (unix time; accepts ms or seconds)
*
* Returns true if the request passed validation and was queued.
*/
@JavascriptInterface
public boolean aliasUsers(String json) {
try {
JSONObject jsonObject = new JSONObject(json);

long sourceMpid = getFlexibleLong(jsonObject,
"sourceMpid", "sourceMPID", ALIAS_SOURCE_MPID, "source_mpid", "source_mpid"
);
long destinationMpid = getFlexibleLong(jsonObject,
"destinationMpid", "destinationMPID", ALIAS_DESTINATION_MPID, "destination_mpid", "destination_mpid"
);

if (destinationMpid == 0) {
MParticleUser currentUser = MParticle.getInstance().Identity().getCurrentUser();
if (currentUser != null) {
destinationMpid = currentUser.getId();
}
}

long startTime = getFlexibleLong(jsonObject,
"startTime", "start_time", "startTimeMs", "start_time_ms", ALIAS_START_TIME_MS
);
long endTime = getFlexibleLong(jsonObject,
"endTime", "end_time", "endTimeMs", "end_time_ms", ALIAS_END_TIME_MS
);

startTime = maybeSecondsToMs(startTime);
endTime = maybeSecondsToMs(endTime);

AliasRequest request = AliasRequest.builder()
.sourceMpid(sourceMpid)
.destinationMpid(destinationMpid)
.startTime(startTime)
.endTime(endTime)
.build();

return MParticle.getInstance().Identity().aliasUsers(request);
} catch (JSONException jse) {
Logger.warning(String.format(errorMsg, jse.getMessage()));
} catch (Exception ex) {
Logger.warning(String.format(errorMsg, ex.getMessage()));
}
return false;
}

@JavascriptInterface
public void logEvent(String json) {
try {
Expand Down Expand Up @@ -837,4 +899,41 @@ static String getBridgeName(String workspaceToken) {
bridgeName.append("_v2");
return bridgeName.toString();
}

private static long getFlexibleLong(JSONObject jsonObject, String... keys) {
if (jsonObject == null || keys == null) {
return 0;
}
for (String key : keys) {
if (MPUtility.isEmpty(key) || !jsonObject.has(key)) {
continue;
}
Object value = jsonObject.opt(key);
if (value == null || value == JSONObject.NULL) {
continue;
}
if (value instanceof Number) {
return ((Number) value).longValue();
}
if (value instanceof String) {
try {
return Long.parseLong((String) value);
} catch (NumberFormatException ignore) {
// continue
}
}
}
return 0;
}

/**
* If the value looks like seconds-since-epoch (10 digits), convert to milliseconds.
* This avoids accidentally scaling small relative values.
*/
private static long maybeSecondsToMs(long unixTime) {
if (unixTime > 1000000000L && unixTime < 10000000000L) {
return unixTime * 1000L;
}
return unixTime;
}
}
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