6 files changed, 474 insertions, 0 deletions
diff --git a/src/com/p4square/grow/ccb/CCBProgressReporter.java b/src/com/p4square/grow/ccb/CCBProgressReporter.java
new file mode 100644
index 0000000..d2826eb
--- /dev/null
+++ b/src/com/p4square/grow/ccb/CCBProgressReporter.java
@@ -0,0 +1,104 @@
+package com.p4square.grow.ccb;
+
+import com.p4square.ccbapi.CCBAPI;
+import com.p4square.ccbapi.model.*;
+import com.p4square.grow.frontend.ProgressReporter;
+import com.p4square.grow.model.Score;
+import org.apache.log4j.Logger;
+import org.restlet.security.User;
+
+import java.io.IOException;
+import java.time.LocalDate;
+import java.time.ZoneId;
+import java.util.Date;
+
+/**
+ * A ProgressReporter which records progress in CCB.
+ *
+ * Except not really, because it's not implemented yet.
+ * This is just a placeholder until ccb-api-client-java has support for updating an individual.
+ */
+public class CCBProgressReporter implements ProgressReporter {
+
+    private static final Logger LOG = Logger.getLogger(CCBProgressReporter.class);
+
+    private static final String GROW_LEVEL = "GrowLevelTrain";
+    private static final String GROW_ASSESSMENT = "GrowLevelAsmnt";
+
+    private final CCBAPI mAPI;
+    private final CustomFieldCache mCache;
+
+    public CCBProgressReporter(final CCBAPI api, final CustomFieldCache cache) {
+        mAPI = api;
+        mCache = cache;
+    }
+
+    @Override
+    public void reportAssessmentComplete(final User user, final String level, final Date date, final String results) {
+        if (!(user instanceof CCBUser)) {
+            throw new IllegalArgumentException("Expected CCBUser but got " + user.getClass().getCanonicalName());
+        }
+        final CCBUser ccbuser = (CCBUser) user;
+
+        updateLevelAndDate(ccbuser, GROW_ASSESSMENT, level, date);
+    }
+
+    @Override
+    public void reportChapterComplete(final User user, final String chapter, final Date date) {
+        if (!(user instanceof CCBUser)) {
+            throw new IllegalArgumentException("Expected CCBUser but got " + user.getClass().getCanonicalName());
+        }
+        final CCBUser ccbuser = (CCBUser) user;
+
+        // Only update the level if it is increasing.
+        final CustomPulldownFieldValue currentLevel = ccbuser.getProfile()
+                .getCustomPulldownFields().getByLabel(GROW_LEVEL);
+
+        if (currentLevel != null) {
+            if (Score.numericScore(chapter) <= Score.numericScore(currentLevel.getSelection().getLabel())) {
+                LOG.info("Not updating level for " + user.getIdentifier()
+                        + " because current level (" + currentLevel.getSelection().getLabel()
+                        + ") is greater than new level (" + chapter + ")");
+                return;
+            }
+        }
+
+        updateLevelAndDate(ccbuser, GROW_LEVEL, chapter, date);
+    }
+
+    private void updateLevelAndDate(final CCBUser user, final String field, final String level, final Date date) {
+        boolean modified = false;
+
+        final UpdateIndividualProfileRequest req = new UpdateIndividualProfileRequest()
+                .withIndividualId(user.getProfile().getId());
+
+        final CustomField pulldownField = mCache.getIndividualPulldownByLabel(field);
+        if (pulldownField != null) {
+            final LookupTableType type = LookupTableType.valueOf(pulldownField.getName().toUpperCase());
+            final LookupTableItem item = mCache.getPulldownItemByName(type, level);
+            if (item != null) {
+                req.withCustomPulldownField(pulldownField.getName(), item.getId());
+                modified = true;
+            }
+        }
+
+        final CustomField dateField = mCache.getDateFieldByLabel(field);
+        if (dateField != null) {
+            req.withCustomDateField(dateField.getName(), date.toInstant().atZone(ZoneId.systemDefault()).toLocalDate());
+            modified = true;
+        }
+
+        try {
+            // Only update if a field exists.
+            if (modified) {
+                mAPI.updateIndividualProfile(req);
+            }
+
+        } catch (IOException e) {
+            LOG.error("updateIndividual failed for " + user.getIdentifier()
+                    + ", field " + field
+                    + ", level " + level
+                    + ", date " + date.toString());
+        }
+    }
+}
diff --git a/src/com/p4square/grow/ccb/CCBUser.java b/src/com/p4square/grow/ccb/CCBUser.java
new file mode 100644
index 0000000..7313172
--- /dev/null
+++ b/src/com/p4square/grow/ccb/CCBUser.java
@@ -0,0 +1,37 @@
+package com.p4square.grow.ccb;
+
+import com.p4square.ccbapi.model.IndividualProfile;
+import org.restlet.security.User;
+
+/**
+ * CCBUser is an adapter between a CCB IndividualProfile and a Restlet User.
+ *
+ * Note: CCBUser prefixes the user's identifier with "CCB-". This is done to
+ *       ensure the identifier does not collide with identifiers from other
+ *       systems.
+ */
+public class CCBUser extends User {
+
+    private final IndividualProfile mProfile;
+
+    /**
+     * Wrap an IndividualProfile inside a User object.
+     *
+     * @param profile The CCB IndividualProfile for the user.
+     */
+    public CCBUser(final IndividualProfile profile) {
+        mProfile = profile;
+
+        setIdentifier("CCB-" + mProfile.getId());
+        setFirstName(mProfile.getFirstName());
+        setLastName(mProfile.getLastName());
+        setEmail(mProfile.getEmail());
+    }
+
+    /**
+     * @return The IndividualProfile of the user.
+     */
+    public IndividualProfile getProfile() {
+        return mProfile;
+    }
+}
diff --git a/src/com/p4square/grow/ccb/CCBUserVerifier.java b/src/com/p4square/grow/ccb/CCBUserVerifier.java
new file mode 100644
index 0000000..db10b75
--- /dev/null
+++ b/src/com/p4square/grow/ccb/CCBUserVerifier.java
@@ -0,0 +1,50 @@
+package com.p4square.grow.ccb;
+
+import com.p4square.ccbapi.CCBAPI;
+import com.p4square.ccbapi.model.GetIndividualProfilesRequest;
+import com.p4square.ccbapi.model.GetIndividualProfilesResponse;
+import org.apache.log4j.Logger;
+import org.restlet.Request;
+import org.restlet.Response;
+import org.restlet.security.Verifier;
+
+/**
+ * CCBUserVerifier authenticates a user through the CCB individual_profile_from_login_password API.
+ */
+public class CCBUserVerifier implements Verifier {
+    private static final Logger LOG = Logger.getLogger(CCBUserVerifier.class);
+
+    private final CCBAPI mAPI;
+
+    public CCBUserVerifier(final CCBAPI api) {
+        mAPI = api;
+    }
+
+    @Override
+    public int verify(Request request, Response response) {
+        if (request.getChallengeResponse() == null) {
+            return RESULT_MISSING; // no credentials
+        }
+
+        final String username = request.getChallengeResponse().getIdentifier();
+        final char[] password = request.getChallengeResponse().getSecret();
+
+        try {
+            GetIndividualProfilesResponse resp = mAPI.getIndividualProfiles(
+                    new GetIndividualProfilesRequest().withLoginPassword(username, password));
+
+            if (resp.getIndividuals().size() == 1) {
+                // Wrap the IndividualProfile up in an User and update the user on the request.
+                final CCBUser user = new CCBUser(resp.getIndividuals().get(0));
+                LOG.info("Successfully authenticated " + user.getIdentifier());
+                request.getClientInfo().setUser(user);
+                return RESULT_VALID;
+            }
+
+        } catch (Exception e) {
+            LOG.error("CCB API Exception: " + e, e);
+        }
+
+        return RESULT_INVALID; // Invalid credentials
+    }
+}
diff --git a/src/com/p4square/grow/ccb/ChurchCommunityBuilderIntegrationDriver.java b/src/com/p4square/grow/ccb/ChurchCommunityBuilderIntegrationDriver.java
new file mode 100644
index 0000000..fc6148f
--- /dev/null
+++ b/src/com/p4square/grow/ccb/ChurchCommunityBuilderIntegrationDriver.java
@@ -0,0 +1,61 @@
+package com.p4square.grow.ccb;
+
+import com.codahale.metrics.MetricRegistry;
+import com.p4square.ccbapi.CCBAPI;
+import com.p4square.ccbapi.CCBAPIClient;
+import com.p4square.grow.config.Config;
+import com.p4square.grow.frontend.IntegrationDriver;
+import com.p4square.grow.frontend.ProgressReporter;
+import org.restlet.Context;
+import org.restlet.security.Verifier;
+
+import java.net.URI;
+import java.net.URISyntaxException;
+
+/**
+ * The ChurchCommunityBuilderIntegrationDriver is used to integrate Grow with Church Community Builder.
+ */
+public class ChurchCommunityBuilderIntegrationDriver implements IntegrationDriver {
+
+    private final Context mContext;
+    private final MetricRegistry mMetricRegistry;
+    private final Config mConfig;
+
+    private final CCBAPI mAPI;
+
+    private final CCBProgressReporter mProgressReporter;
+
+    public ChurchCommunityBuilderIntegrationDriver(final Context context) {
+        mContext = context;
+        mConfig = (Config) context.getAttributes().get("com.p4square.grow.config");
+        mMetricRegistry = (MetricRegistry) context.getAttributes().get("com.p4square.grow.metrics");
+
+        try {
+            CCBAPI api = new CCBAPIClient(new URI(mConfig.getString("CCBAPIURL", "")),
+                                          mConfig.getString("CCBAPIUser", ""),
+                                          mConfig.getString("CCBAPIPassword", ""));
+
+            if (mMetricRegistry != null) {
+                api = new MonitoredCCBAPI(api, mMetricRegistry);
+            }
+
+            mAPI = api;
+
+            final CustomFieldCache cache = new CustomFieldCache(mAPI);
+            mProgressReporter = new CCBProgressReporter(mAPI, cache);
+
+        } catch (URISyntaxException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    @Override
+    public Verifier newUserAuthenticationVerifier() {
+        return new CCBUserVerifier(mAPI);
+    }
+
+    @Override
+    public ProgressReporter getProgressReporter() {
+        return mProgressReporter;
+    }
+}
diff --git a/src/com/p4square/grow/ccb/CustomFieldCache.java b/src/com/p4square/grow/ccb/CustomFieldCache.java
new file mode 100644
index 0000000..d93e6d9
--- /dev/null
+++ b/src/com/p4square/grow/ccb/CustomFieldCache.java
@@ -0,0 +1,126 @@
+package com.p4square.grow.ccb;
+
+import com.p4square.ccbapi.CCBAPI;
+import com.p4square.ccbapi.model.*;
+import org.apache.log4j.Logger;
+
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.function.Function;
+import java.util.stream.Collectors;
+
+/**
+ * CustomFieldCache maintains an index from custom field labels to names.
+ */
+public class CustomFieldCache {
+
+    private static final Logger LOG = Logger.getLogger(CustomFieldCache.class);
+
+    private final CCBAPI mAPI;
+
+    private CustomFieldCollection<CustomField> mTextFields;
+    private CustomFieldCollection<CustomField> mDateFields;
+    private CustomFieldCollection<CustomField> mIndividualPulldownFields;
+    private CustomFieldCollection<CustomField> mGroupPulldownFields;
+
+    private final Map<LookupTableType, Map<String, LookupTableItem>> mItemByNameTable;
+
+    public CustomFieldCache(final CCBAPI api) {
+        mAPI = api;
+        mTextFields = new CustomFieldCollection<>();
+        mDateFields = new CustomFieldCollection<>();
+        mIndividualPulldownFields = new CustomFieldCollection<>();
+        mGroupPulldownFields = new CustomFieldCollection<>();
+        mItemByNameTable = new HashMap<>();
+    }
+
+    public CustomField getTextFieldByLabel(final String label) {
+        if (mTextFields.size() == 0) {
+            refresh();
+        }
+        return mTextFields.getByLabel(label);
+    }
+
+    public CustomField getDateFieldByLabel(final String label) {
+        if (mDateFields.size() == 0) {
+            refresh();
+        }
+        return mDateFields.getByLabel(label);
+    }
+
+    public CustomField getIndividualPulldownByLabel(final String label) {
+        if (mIndividualPulldownFields.size() == 0) {
+            refresh();
+        }
+        return mIndividualPulldownFields.getByLabel(label);
+    }
+
+    public CustomField getGroupPulldownByLabel(final String label) {
+        if (mGroupPulldownFields.size() == 0) {
+            refresh();
+        }
+        return mGroupPulldownFields.getByLabel(label);
+    }
+
+    public LookupTableItem getPulldownItemByName(final LookupTableType type, final String name) {
+        Map<String, LookupTableItem> items = mItemByNameTable.get(type);
+        if (items == null) {
+            if (!cacheLookupTable(type)) {
+                return null;
+            }
+            items = mItemByNameTable.get(type);
+        }
+
+        return items.get(name.toLowerCase());
+    }
+
+    private synchronized void refresh() {
+        try {
+            // Get all of the custom fields.
+            final GetCustomFieldLabelsResponse resp = mAPI.getCustomFieldLabels();
+
+            final CustomFieldCollection<CustomField> newTextFields = new CustomFieldCollection<>();
+            final CustomFieldCollection<CustomField> newDateFields = new CustomFieldCollection<>();
+            final CustomFieldCollection<CustomField> newIndPulldownFields = new CustomFieldCollection<>();
+            final CustomFieldCollection<CustomField> newGrpPulldownFields = new CustomFieldCollection<>();
+
+            for (final CustomField field : resp.getCustomFields()) {
+                if (field.getName().startsWith("udf_ind_text_")) {
+                    newTextFields.add(field);
+                } else if (field.getName().startsWith("udf_ind_date_")) {
+                    newDateFields.add(field);
+                } else if (field.getName().startsWith("udf_ind_pulldown_")) {
+                    newIndPulldownFields.add(field);
+                } else if (field.getName().startsWith("udf_grp_pulldown_")) {
+                    newGrpPulldownFields.add(field);
+                } else {
+                    LOG.warn("Unknown custom field type " + field.getName());
+                }
+            }
+
+            this.mTextFields = newTextFields;
+            this.mDateFields = newDateFields;
+            this.mIndividualPulldownFields = newIndPulldownFields;
+            this.mGroupPulldownFields = newGrpPulldownFields;
+
+        } catch (IOException e) {
+            // Error fetching labels.
+            LOG.error("Error fetching custom fields: " + e.getMessage(), e);
+        }
+    }
+
+    private synchronized boolean cacheLookupTable(final LookupTableType type) {
+        try {
+            final GetLookupTableResponse resp = mAPI.getLookupTable(new GetLookupTableRequest().withType(type));
+            mItemByNameTable.put(type, resp.getItems().stream().collect(
+                    Collectors.toMap(item -> item.getName().toLowerCase(), Function.identity())));
+            return true;
+
+        } catch (IOException e) {
+            LOG.error("Exception caching lookup table of type " + type, e);
+        }
+
+        return false;
+    }
+}
diff --git a/src/com/p4square/grow/ccb/MonitoredCCBAPI.java b/src/com/p4square/grow/ccb/MonitoredCCBAPI.java
new file mode 100644
index 0000000..43b6433
--- /dev/null
+++ b/src/com/p4square/grow/ccb/MonitoredCCBAPI.java
@@ -0,0 +1,96 @@
+package com.p4square.grow.ccb;
+
+import com.codahale.metrics.MetricRegistry;
+import com.codahale.metrics.Timer;
+import com.p4square.ccbapi.CCBAPI;
+import com.p4square.ccbapi.model.*;
+
+import java.io.IOException;
+
+/**
+ * MonitoredCCBAPI is a CCBAPI decorator which records metrics for each API call.
+ */
+public class MonitoredCCBAPI implements CCBAPI {
+
+    private final CCBAPI mAPI;
+    private final MetricRegistry mMetricRegistry;
+
+    public MonitoredCCBAPI(final CCBAPI api, final MetricRegistry metricRegistry) {
+        if (api == null) {
+            throw new IllegalArgumentException("api must not be null.");
+        }
+        mAPI = api;
+
+        if (metricRegistry == null) {
+            throw new IllegalArgumentException("metricRegistry must not be null.");
+        }
+        mMetricRegistry = metricRegistry;
+    }
+
+    @Override
+    public GetCustomFieldLabelsResponse getCustomFieldLabels() throws IOException {
+        final Timer.Context timer = mMetricRegistry.timer("CCBAPI.getCustomFieldLabels.time").time();
+        boolean success = false;
+        try {
+            final GetCustomFieldLabelsResponse resp = mAPI.getCustomFieldLabels();
+            success = true;
+            return resp;
+        } finally {
+            timer.stop();
+            mMetricRegistry.counter("CCBAPI.getCustomFieldLabels.success").inc(success ? 1 : 0);
+            mMetricRegistry.counter("CCBAPI.getCustomFieldLabels.failure").inc(!success ? 1 : 0);
+        }
+    }
+
+    @Override
+    public GetLookupTableResponse getLookupTable(final GetLookupTableRequest request) throws IOException {
+        final Timer.Context timer = mMetricRegistry.timer("CCBAPI.getLookupTable.time").time();
+        boolean success = false;
+        try {
+            final GetLookupTableResponse resp = mAPI.getLookupTable(request);
+            success = true;
+            return resp;
+        } finally {
+            timer.stop();
+            mMetricRegistry.counter("CCBAPI.getLookupTable.success").inc(success ? 1 : 0);
+            mMetricRegistry.counter("CCBAPI.getLookupTable.failure").inc(!success ? 1 : 0);
+        }
+    }
+
+    @Override
+    public GetIndividualProfilesResponse getIndividualProfiles(GetIndividualProfilesRequest request)
+            throws IOException {
+        final Timer.Context timer = mMetricRegistry.timer("CCBAPI.getIndividualProfiles").time();
+        boolean success = false;
+        try {
+            final GetIndividualProfilesResponse resp = mAPI.getIndividualProfiles(request);
+            mMetricRegistry.counter("CCBAPI.getIndividualProfiles.count").inc(resp.getIndividuals().size());
+            success = true;
+            return resp;
+        } finally {
+            timer.stop();
+            mMetricRegistry.counter("CCBAPI.getIndividualProfiles.success").inc(success ? 1 : 0);
+            mMetricRegistry.counter("CCBAPI.getIndividualProfiles.failure").inc(!success ? 1 : 0);
+        }
+    }
+
+    @Override
+    public UpdateIndividualProfileResponse updateIndividualProfile(UpdateIndividualProfileRequest request) throws IOException {
+        final Timer.Context timer = mMetricRegistry.timer("CCBAPI.updateIndividualProfile").time();
+        boolean success = false;
+        try {
+            final UpdateIndividualProfileResponse resp = mAPI.updateIndividualProfile(request);
+            success = true;
+            return resp;
+        } finally {
+            timer.stop();
+            mMetricRegistry.counter("CCBAPI.updateIndividualProfile.success").inc(success ? 1 : 0);
+            mMetricRegistry.counter("CCBAPI.updateIndividualProfile.failure").inc(!success ? 1 : 0);
+        }
+    }
+
+    @Override
+    public void close() throws IOException {
+        mAPI.close();
+    }
+}