first step to extract Analytics from the main project

WordPress/src/main/java/org/wordpress/android/util/AnalyticsUtils.java

@@ -0,0 +1,88 @@
+package org.wordpress.android.util;
+
+import android.content.SharedPreferences;
+import android.preference.PreferenceManager;
+import android.text.TextUtils;
+
+import com.android.volley.VolleyError;
+import com.wordpress.rest.RestRequest;
+
+import org.json.JSONException;
+import org.json.JSONObject;
+import org.wordpress.android.WordPress;
+import org.wordpress.android.analytics.AnalyticsTracker;
+import org.wordpress.android.analytics.AnalyticsTrackerMixpanel;
+import org.wordpress.android.ui.prefs.AppPrefs;
+import org.wordpress.android.util.AppLog.T;
+
+public class AnalyticsUtils {
+    /**
+     * Utility method to refresh mixpanel metadata.
+     *
+     * @param username WordPress.com username
+     * @param email WordPress.com email address
+     */
+    public static void refreshMetadata(String username, String email) {
+        SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(WordPress.getContext());
+        int sessionCount = preferences.getInt(AnalyticsTrackerMixpanel.SESSION_COUNT, 0);
+        boolean isUserConnected = WordPress.hasValidWPComCredentials(WordPress.getContext());
+        boolean isJetpackUser = WordPress.wpDB.hasAnyJetpackBlogs();
+        int numBlogs = WordPress.wpDB.getVisibleAccounts().size();
+        int versionCode = PackageUtils.getVersionCode(WordPress.getContext());
+
+        retrieveAndSaveEmailAddressIfApplicable();
+        AnalyticsTracker.refreshMetadata(isUserConnected, isJetpackUser, sessionCount, numBlogs, versionCode,
+                username, email);
+    }
+
+    /**
+     * Utility method to refresh mixpanel metadata.
+     */
+    public static void refreshMetadata() {
+        // retrieve email address if user is logged in
+        retrieveAndSaveEmailAddressIfApplicable();
+
+        SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(WordPress.getContext());
+        int sessionCount = preferences.getInt(AnalyticsTrackerMixpanel.SESSION_COUNT, 0);
+        boolean isUserConnected = WordPress.hasValidWPComCredentials(WordPress.getContext());
+        boolean isJetpackUser = WordPress.wpDB.hasAnyJetpackBlogs();
+        int numBlogs = WordPress.wpDB.getVisibleAccounts().size();
+        int versionCode = PackageUtils.getVersionCode(WordPress.getContext());
+        String username = preferences.getString(WordPress.WPCOM_USERNAME_PREFERENCE, null);
+        String email = AppPrefs.getMixpanelUserEmail();
+        AnalyticsTracker.refreshMetadata(isUserConnected, isJetpackUser, sessionCount, numBlogs, versionCode,
+                username, email);
+    }
+
+    /**
+     * Fetch user email address with the REST api, will be used later to fill Mixpanel metadata.
+     */
+    private static void retrieveAndSaveEmailAddressIfApplicable() {
+        // Once the email address is bound to a mixpanel profile, we don't need to set (and get it) a second time.
+        if (AppPrefs.getMixpanelUserEmail() != null) {
+            return;
+        }
+        RestRequest.Listener listener = new RestRequest.Listener() {
+            @Override
+            public void onResponse(JSONObject jsonObject) {
+                try {
+                    if (jsonObject != null && !TextUtils.isEmpty(jsonObject.getString("email"))) {
+                        String email = jsonObject.getString("email");
+                        AppPrefs.setMixpanelUserEmail(email);
+                    }
+                } catch (JSONException e) {
+                    AppLog.e(T.UTILS, "Can't get email field from json response: " + jsonObject);
+                }
+            }
+        };
+        RestRequest.ErrorListener errorListener = new RestRequest.ErrorListener() {
+            @Override
+            public void onErrorResponse(VolleyError volleyError) {
+                AppLog.e(T.UTILS, volleyError);
+            }
+        };
+
+        String path = "/me";
+        WordPress.getRestClientUtils().get(path, listener, errorListener);
+    }
+}