Add tagging to contacts (Closes #184)

README.md

@@ -347,6 +347,11 @@ User.create(one);
 User.create(two);
 Tag.tag(tag, one, two);
 
+// tag and untag contacts
+Contact contact1 = Contact.findByID("5ab313046e4997e35bc13e7c");
+Contact contact2 = Contact.findByUserID("697ea3e0-227d-4d70-b776-1652e94f9583").untag();
+Tag.tag(tag, contact1, contact2);
+
 // iterate over all tags
 final TagCollection tags = Tag.list();
 while (tags.hasNext()) {

intercom-java/src/main/java/io/intercom/api/Tag.java

@@ -26,6 +26,10 @@ public static Tag tag(Tag tag, User... users) throws InvalidException, Authoriza
         return tag(tag, new UserCollection(Lists.newArrayList(users)));
     }
 
+    public static Tag tag(Tag tag, Contact... contacts) throws InvalidException, AuthorizationException {
+        return tag(tag, new ContactCollection(Lists.newArrayList(contacts)));
+    }
+
     public static Tag tag(Tag tag, Company... companies) throws InvalidException, AuthorizationException {
         return tag(tag, new CompanyCollection(Lists.newArrayList(companies)));
     }
@@ -35,6 +39,11 @@ static Tag tag(Tag tag, UserCollection users) throws InvalidException, Authoriza
         return DataResource.create(taggableCollection, "tags", Tag.class);
     }
 
+    static Tag tag(Tag tag, ContactCollection contacts) throws InvalidException, AuthorizationException {
+        TaggableCollection taggableCollection = createTagTypedCollection(tag, contacts);
+        return DataResource.create(taggableCollection, "tags", Tag.class);
+    }
+
     static Tag tag(Tag tag, CompanyCollection companies) throws InvalidException, AuthorizationException {
         TaggableCollection taggableCollection = createTagTypedCollection(tag, companies);
         return DataResource.create(taggableCollection, "tags", Tag.class);
@@ -97,6 +106,32 @@ static TaggableCollection createTagTypedCollection(Tag tag, UserCollection users
         return taggableCollection;
     }
 
+    @VisibleForTesting
+    static TaggableCollection createTagTypedCollection(Tag tag, ContactCollection contacts) {
+        TaggableCollection taggableCollection = new TaggableCollection();
+        taggableCollection.setName(tag.getName());
+        taggableCollection.setId(tag.getId());
+        final List<Map<String, Object>> contactsLite = Lists.newArrayList();
+        final List<Contact> pageItems = contacts.getPage();
+        for (Contact contact: pageItems) {
+            Map<String, Object> contactMap = Maps.newHashMap();
+            final String id = contact.getID();
+
+            if (contact.isUntag()) {
+                contactMap.put("untag", true);
+            }
+
+            if (!Strings.isNullOrEmpty(id)) {
+                contactMap.put("id", id);
+                contactsLite.add(contactMap);
+            } else {
+                logger.warn("no identifiers found for user tag target, skipping [" + tag + "] [" + contact.toString() + "]");
+            }
+        }
+        taggableCollection.setUsers(contactsLite);
+        return taggableCollection;
+    }
+
     @VisibleForTesting
     static TaggableCollection createTagTypedCollection(Tag tag, CompanyCollection companies) {
         TaggableCollection taggableCollection = new TaggableCollection();

intercom-java/src/test/java/io/intercom/api/TagTest.java

@@ -62,6 +62,33 @@ public void testTagUsers() throws Exception {
         assertEquals(6, match);
     }
 
+    @Test
+    public void testTagContacts() throws Exception {
+        String json = load("tag.json");
+        final Tag tag = mapper.readValue(json, Tag.class);
+
+        final Contact contact1 = new Contact().setID("3434");
+        final Contact contact2 = new Contact().setID("3435").untag();
+        final Contact contact3 = new Contact().setEmail("malcolm@serenity.io");
+        final Contact contact4 = new Contact().setEmail("wash@serenity.io").untag();
+        final ContactCollection contactCollection = new ContactCollection(Lists.newArrayList(contact1, contact2, contact3, contact4));
+        final Tag.TaggableCollection taggableCollection = Tag.createTagTypedCollection(tag, contactCollection);
+        final List<Map<String, Object>> contacts = taggableCollection.getUsers();
+
+        int match = 0;
+        for (Map<String, Object> contact : contacts) {
+            if (contact.containsKey("id") && contact.get("id").equals("3434")) {
+                match += 1;
+                assertTrue(!contact.containsKey("untag"));
+            }
+            if (contact.containsKey("id") && contact.get("id").equals("3435")) {
+                match += 1;
+                assertTrue(contact.containsKey("untag") && contact.get("untag") == Boolean.TRUE);
+            }
+        }
+        assertEquals(2, match);
+    }
+
     @Test
     public void testTagCompanies() throws Exception {
         String json = load("tag.json");
@@ -124,4 +151,4 @@ public void TestSerdes() throws Exception {
 
         assertEquals(tag, tag1);
     }
-}
+}