Additional invite info

src/main/java/net/dv8tion/jda/core/entities/EntityBuilder.java

@@ -28,6 +28,7 @@
 import net.dv8tion.jda.core.audit.ActionType;
 import net.dv8tion.jda.core.audit.AuditLogChange;
 import net.dv8tion.jda.core.audit.AuditLogEntry;
+import net.dv8tion.jda.core.entities.Guild.VerificationLevel;
 import net.dv8tion.jda.core.entities.MessageEmbed.*;
 import net.dv8tion.jda.core.entities.impl.*;
 import net.dv8tion.jda.core.exceptions.AccountTypeException;
@@ -1260,8 +1261,11 @@ public Invite createInvite(JSONObject object)
         final long guildId = guildObject.getLong("id");
         final String guildName = guildObject.getString("name");
         final String guildSplashId = guildObject.optString("splash", null);
+        final VerificationLevel guildVerificationLevel = VerificationLevel.fromKey(Helpers.optInt(guildObject, "verification_level", -1));
+        final int presenceCount = Helpers.optInt(object, "approximate_presence_count", -1);
+        final int memberCount = Helpers.optInt(object, "approximate_member_count", -1);
 
-        final Invite.Guild guild = new InviteImpl.GuildImpl(guildId, guildIconId, guildName, guildSplashId);
+        final Invite.Guild guild = new InviteImpl.GuildImpl(guildId, guildIconId, guildName, guildSplashId, guildVerificationLevel, presenceCount, memberCount);
 
         final int maxAge;
         final int maxUses;
@@ -1289,7 +1293,9 @@ public Invite createInvite(JSONObject object)
             timeCreated = null;
         }
 
-        return new InviteImpl(api, code, expanded, inviter, maxAge, maxUses, temporary, timeCreated, uses, channel, guild);
+        return new InviteImpl(api, code, expanded, inviter,
+                              maxAge, maxUses, temporary,
+                              timeCreated, uses, channel, guild);
     }
 
     public void clearCache()

src/main/java/net/dv8tion/jda/core/entities/Invite.java

@@ -17,6 +17,7 @@
 package net.dv8tion.jda.core.entities;
 
 import net.dv8tion.jda.core.JDA;
+import net.dv8tion.jda.core.entities.Guild.VerificationLevel;
 import net.dv8tion.jda.core.entities.impl.InviteImpl;
 import net.dv8tion.jda.core.requests.RestAction;
 import net.dv8tion.jda.core.requests.restaction.AuditableRestAction;
@@ -53,7 +54,32 @@ public interface Invite
      */
     static RestAction<Invite> resolve(final JDA api, final String code)
     {
-        return InviteImpl.resolve(api, code);
+        return resolve(api, code, false);
+    }
+
+    /**
+     * Retrieves a new {@link net.dv8tion.jda.core.entities.Invite Invite} instance for the given invite code.
+     * <br><b>You cannot resolve invites if you were banned from the origin Guild!</b>
+     *
+     * <p>Possible {@link net.dv8tion.jda.core.requests.ErrorResponse ErrorResponses} include:
+     * <ul>
+     *     <li>{@link net.dv8tion.jda.core.requests.ErrorResponse#UNKNOWN_INVITE Unknown Invite}
+     *     <br>The Invite did not exist (possibly deleted) or the account is banned in the guild.</li>
+     * </ul>
+     *
+     * @param  api
+     *         The JDA instance
+     * @param  code
+     *         A valid invite code
+     * @param  withCounts
+     *         Whether or not to include online and member counts
+     *
+     * @return {@link net.dv8tion.jda.core.requests.RestAction RestAction} - Type: {@link net.dv8tion.jda.core.entities.Invite Invite}
+     *         <br>The Invite object
+     */
+    static RestAction<Invite> resolve(final JDA api, final String code, final boolean withCounts)
+    {
+        return InviteImpl.resolve(api, code, withCounts);
     }
 
     /**
@@ -296,5 +322,32 @@ interface Guild extends ISnowflake
          * @see    #getSplashId()
          */
         String getSplashUrl();
+
+        /**
+         * Returns the {@link net.dv8tion.jda.core.entities.Guild.VerificationLevel VerificationLevel} of this guild.
+         * 
+         * @return the verification level of the guild
+         */
+        VerificationLevel getVerificationLevel();
+
+        /**
+         * Returns the approximate count of online members in the guild. If the online member count was not included in the
+         * invite, this will return -1. Counts will usually only be returned when resolving the invite via the 
+         * {@link #resolve(net.dv8tion.jda.core.JDA, java.lang.String, boolean) Invite.resolve()} method with the 
+         * withCounts boolean set to {@code true}
+         * 
+         * @return the approximate count of online members in the guild, or -1 if not present in the invite
+         */
+        int getOnlineCount();
+
+        /**
+         * Returns the approximate count of total members in the guild. If the total member count was not included in the
+         * invite, this will return -1. Counts will usually only be returned when resolving the invite via the 
+         * {@link #resolve(net.dv8tion.jda.core.JDA, java.lang.String, boolean) Invite.resolve()} method with the 
+         * withCounts boolean set to {@code true}
+         * 
+         * @return the approximate count of total members in the guild, or -1 if not present in the invite
+         */
+        int getMemberCount();
     }
 }

src/main/java/net/dv8tion/jda/core/entities/impl/InviteImpl.java

@@ -19,6 +19,7 @@
 import net.dv8tion.jda.core.JDA;
 import net.dv8tion.jda.core.Permission;
 import net.dv8tion.jda.core.entities.*;
+import net.dv8tion.jda.core.entities.Guild.VerificationLevel;
 import net.dv8tion.jda.core.exceptions.InsufficientPermissionException;
 import net.dv8tion.jda.core.requests.Request;
 import net.dv8tion.jda.core.requests.Response;
@@ -62,12 +63,15 @@ public InviteImpl(final JDAImpl api, final String code, final boolean expanded,
         this.guild = guild;
     }
 
-    public static RestAction<Invite> resolve(final JDA api, final String code)
+    public static RestAction<Invite> resolve(final JDA api, final String code, final boolean withCounts)
     {
         Checks.notNull(code, "code");
         Checks.notNull(api, "api");
 
-        final Route.CompiledRoute route = Route.Invites.GET_INVITE.compile(code);
+        Route.CompiledRoute route = Route.Invites.GET_INVITE.compile(code);
+
+        if (withCounts)
+            route = route.withQueryParams("with_counts", "true");
 
         return new RestAction<Invite>(api, route)
         {
@@ -282,16 +286,21 @@ public ChannelType getType()
 
     public static class GuildImpl implements Guild
     {
-
         private final String iconId, name, splashId;
+        private final int presenceCount, memberCount;
         private final long id;
+        private final VerificationLevel verificationLevel;
 
-        public GuildImpl(final long id, final String iconId, final String name, final String splashId)
+        public GuildImpl(final long id, final String iconId, final String name, final String splashId, 
+                         final VerificationLevel verificationLevel, final int presenceCount, final int memberCount)
         {
             this.id = id;
             this.iconId = iconId;
             this.name = name;
             this.splashId = splashId;
+            this.verificationLevel = verificationLevel;
+            this.presenceCount = presenceCount;
+            this.memberCount = memberCount;
         }
 
         @Override
@@ -332,6 +341,23 @@ public String getSplashUrl()
                     : "https://cdn.discordapp.com/splashes/" + this.id + "/" + this.splashId + ".jpg";
         }
 
+        @Override
+        public VerificationLevel getVerificationLevel()
+        {
+            return verificationLevel;
+        }
+
+        @Override
+        public int getOnlineCount()
+        {
+            return presenceCount;
+        }
+
+        @Override
+        public int getMemberCount()
+        {
+            return memberCount;
+        }
     }
 
 }