src/main/java/de/thm/arsnova/websocket/message/FeedbackChangedPayload.java

+package de.thm.arsnova.websocket.message;
+
+import java.util.Arrays;
+
+public class FeedbackChangedPayload implements WebSocketPayload {
+	int[] values = new int[4];
+
+	public int[] getValues() {
+		return values;
+	}
+
+	public void setValues(final int[] values) {
+		this.values = values;
+	}
+
+	@Override
+	public boolean equals(final Object o) {
+		if (this == o) {
+			return true;
+		}
+		if (o == null || getClass() != o.getClass()) {
+			return false;
+		}
+		final FeedbackChangedPayload that = (FeedbackChangedPayload) o;
+		return Arrays.equals(values, that.values);
+	}
+
+	@Override
+	public int hashCode() {
+		return Arrays.hashCode(values);
+	}
+}

src/main/java/de/thm/arsnova/websocket/message/GetFeedback.java

+package de.thm.arsnova.websocket.message;
+
+public class GetFeedback extends WebSocketMessage<WebSocketPayload> {
+	public GetFeedback() {
+		super(GetFeedback.class.getSimpleName());
+	}
+}
+

src/main/java/de/thm/arsnova/websocket/message/Patched.java

+package de.thm.arsnova.websocket.message;
+
+public class Patched extends WebSocketMessage<PatchedPayload> {
+	public Patched(final String type) {
+		super(type);
+	}
+}

src/main/java/de/thm/arsnova/websocket/message/PatchedPayload.java

+package de.thm.arsnova.websocket.message;
+
+public class PatchedPayload implements WebSocketPayload {
+	String type;
+
+	String id;
+
+	String propertyName;
+
+	boolean propertyValue;
+
+	public PatchedPayload(final String type) {
+		this.type = type;
+	}
+
+	public String getType() {
+		return type;
+	}
+
+	public void setType(final String type) {
+		this.type = type;
+	}
+
+	public String getId() {
+		return id;
+	}
+
+	public void setId(final String id) {
+		this.id = id;
+	}
+
+	public String getPropertyName() {
+		return propertyName;
+	}
+
+	public void setPropertyName(final String propertyName) {
+		this.propertyName = propertyName;
+	}
+
+	public boolean isPropertyValue() {
+		return propertyValue;
+	}
+
+	public void setPropertyValue(final boolean propertyValue) {
+		this.propertyValue = propertyValue;
+	}
+}

src/main/java/de/thm/arsnova/entities/VisitedSession.java → src/main/java/de/thm/arsnova/websocket/message/Room.java

 /*
- * Copyright (C) 2012 THM webMedia
+ * This file is part of ARSnova Backend.
+ * Copyright (C) 2012-2019 The ARSnova Team and Contributors
  *
- * This file is part of ARSnova.
- *
- * ARSnova is free software: you can redistribute it and/or modify
+ * ARSnova Backend is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation, either version 3 of the License, or
  * (at your option) any later version.
  *
- * ARSnova is distributed in the hope that it will be useful,
+ * ARSnova Backend is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
@@ -16,49 +15,20 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
-package de.thm.arsnova.entities;
 
-public class VisitedSession {
-	private String _id;
-	private String name;
-	private String keyword;
+package de.thm.arsnova.websocket.message;
 
-	public VisitedSession() {
-	}
-
-	public VisitedSession(Session s) {
-		this._id = s.get_id();
-		this.name = s.getName();
-		this.keyword = s.getKeyword();
-	}
-
-	public String get_id() {
-		return _id;
-	}
-
-	public void set_id(String _id) {
-		this._id = _id;
-	}
-
-	public String getName() {
-		return name;
-	}
-
-	public void setName(String name) {
-		this.name = name;
-	}
+/**
+ * Represents a session.
+ */
+public class Room {
+	private String keyword;
 
 	public String getKeyword() {
 		return keyword;
 	}
 
-	public void setKeyword(String keyword) {
+	public void setKeyword(final String keyword) {
 		this.keyword = keyword;
 	}
-
-	@Override
-	public String toString() {
-		return "VisitedSession [_id=" + _id + ", name=" + name + ", keyword="
-				+ keyword + "]";
-	}
-}
\ No newline at end of file
+}

src/main/java/de/thm/arsnova/websocket/message/WebSocketMessage.java

+package de.thm.arsnova.websocket.message;
+
+public class WebSocketMessage<P extends WebSocketPayload> {
+	private String type;
+
+	private P payload;
+
+	public WebSocketMessage(final String type) {
+		this.type = type;
+	}
+
+	public String getType() {
+		return type;
+	}
+
+	public void setType(final String type) {
+		this.type = type;
+	}
+
+	public P getPayload() {
+		return payload;
+	}
+
+	public void setPayload(final P payload) {
+		this.payload = payload;
+	}
+}

src/main/java/de/thm/arsnova/websocket/message/WebSocketPayload.java

+package de.thm.arsnova.websocket.message;
+
+public interface WebSocketPayload {
+}

src/main/java/de/thm/arsnova/websocket/message/package-info.java

+/**
+ * Contains classes that are used as web socket messages.
+ */
+
+package de.thm.arsnova.websocket.message;

src/main/java/de/thm/arsnova/websocket/package-info.java

+/**
+ * Classes and interfaces for communication over web sockets.
+ */
+
+package de.thm.arsnova.websocket;

src/main/resources/META-INF/aop.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<aspectj>
+	<weaver options="-verbose -showWeaveInfo">
+		<include within="de.thm.arsnova..*"/>
+		<include within="com.corundumstudio.socketio.listener.*"/>
+	</weaver>
+
+	<aspects>
+		<aspect name="de.thm.arsnova.web.RangeAspect"/>
+		<aspect name="de.thm.arsnova.web.InternalEntityAspect"/>
+		<aspect name="de.thm.arsnova.websocket.WebsocketAuthenticationAspect"/>
+		<!-- Micrometer does not have a aop.xml config for its aspects. -->
+		<!-- Disabled for now, see https://github.com/micrometer-metrics/micrometer/issues/1149.
+		<aspect name="io.micrometer.core.aop.TimedAspect"/>
+		-->
+	</aspects>
+</aspectj>

src/main/resources/META-INF/spring.factories

+org.springframework.boot.autoconfigure.AutoConfigurationImportFilter=\
+	de.thm.arsnova.config.ActuatorAutoConfigurationFilter

src/main/resources/arsnova.properties.example

-################################################################################
-# General server settings
-################################################################################
-# The URL under which the ARSnova server is reachable. Use
-# http://localhost:8080 for development.
-root-url=https://example.com
-
-# The context paths where the ARSnova modules have been deployed
-customization.path=/customization
-mobile.path=/mobile
-presenter.path=/presenter
-
-# SSL configuration
-security.ssl=false
-security.keystore=/etc/arsnova/arsnova.jks
-security.storepass=arsnova
-
-# WebSockets server
-socketio.ip=0.0.0.0
-socketio.port=10443
-
-
-################################################################################
-# Database
-################################################################################
-couchdb.host=localhost
-couchdb.port=5984
-couchdb.name=arsnova
-couchdb.username=admin
-couchdb.password=
-
-
-################################################################################
-# E-Mail
-################################################################################
-mail.sender.name=ARSnova
-mail.sender.address=
-mail.host=
-
-
-################################################################################
-# Authentication
-################################################################################
-# After the specified number of login tries the client IP will be banned for
-# several minutes
-security.authentication.login-try-limit=50
-
-# Configuration parameters for authentication services:
-# enabled: enable or disable the service
-# title: the title which is displayed by frontends
-# login-dialog-path: URL of a login dialog page
-# image: an image which is used for frontend buttons
-
-# Guest authentication
-#
-security.guest.enabled=true
-security.guest.order=0
-security.guest.lecturer.enabled=true
-
-# Setup combined login if you want to use a single, customized login page
-# which is used for multiple authentication services.
-#
-security.custom-login.enabled=false
-security.custom-login.title=University
-security.custom-login.login-dialog-path=
-security.custom-login.image=
-security.custom-login.order=0
-
-# Internal authentication
-#
-# Specific parameters:
-# activation-path: URL of the account activation page
-# allowed-email-domains: Allows you to restrict registration to specific
-#     domains. You can use wildcards (*), e. g. *.*.example.com. Multiple
-#     entries are separated by commas.
-# registration-mail.subject: Subject used for registration e-mail
-# registration-mail.body: Text body used for registration e-mail. {0} will be
-#     replaced by the value of activation-path.
-#
-security.user-db.enabled=true
-security.user-db.title=ARSnova
-security.user-db.login-dialog-path=account.html
-security.user-db.activation-path=account.html
-security.user-db.reset-password-path=account.html
-security.user-db.image=
-security.user-db.order=0
-security.user-db.allowed-email-domains=*
-security.user-db.registration-mail.subject=ARSnova Registration
-security.user-db.registration-mail.body=Welcome to ARSnova!\n\nPlease confirm \
-    your registration by visiting the following web address:\n{0}\n\n\
-    Afterwards, you can log into ARSnova with your e-mail address and password.
-security.user-db.reset-password-mail.subject=ARSnova Password Reset
-security.user-db.reset-password-mail.body=You requested to reset your \
-    password.\n\nPlease follow the link below to set a new password:\n{0}
-
-# LDAP authentication
-# 
-# Specific parameters:
-# url: LDAP server URL
-# user-dn-pattern: Pattern used to check user credentials against the LDAP
-#     server. {0} will be replaced with the user ID by ARSnova.
-#
-security.ldap.enabled=false
-security.ldap.title=LDAP
-security.ldap.login-dialog-path=login-ldap.html
-security.ldap.image=
-security.ldap.order=0
-security.ldap.url=ldap://example.com:33389/dc=example,dc=com
-security.ldap.user-dn-pattern=uid={0},ou=arsnova
-# Not yet implemented parameters
-#security.ldap.user-search-filter=(uid={0})
-#security.ldap.user-search-base="ou=people"
-
-# CAS authentication
-#
-security.cas.enabled=false
-security.cas.title=CAS
-security.cas.image=
-security.cas.order=0
-security.cas-server-url=https://example.com/cas
-
-# OAuth authentication with third party services
-# Specific parameters:
-# key: OAuth key/id provided by a third party auth service
-# secret: OAuth secret provided by a third party auth service
-
-# Facebook
-#
-security.facebook.enabled=false
-security.facebook.order=0
-security.facebook.key=
-security.facebook.secret=
-
-# Twitter
-#
-security.twitter.enabled=false
-security.twitter.order=0
-security.twitter.key=
-security.twitter.secret=
-
-# Google
-#
-security.google.enabled=false
-security.google.order=0
-security.google.key=
-security.google.secret=
-
-
-################################################################################
-# ARSnova Connector (for LMS)
-################################################################################
-connector.enable=false
-connector.uri=http://localhost:8080/connector-service
-connector.username=test
-connector.password=test
-
-
-################################################################################
-# Features
-################################################################################
-# Enable MathJax to allow the use of Math formulas written in TeX syntax in
-# text fields.
-features.mathjax.enabled=true
-
-# The following features are considered experimental because they have not been
-# tested in a production environment over a longer time frame and/or their
-# behavior will change in future releases.
-#
-features.markdown.enabled=false
-features.learning-progress.enabled=false
-features.question-format.flashcard.enabled=false
-features.question-format.grid-square.enabled=false
-
-
-################################################################################
-# Customization
-################################################################################
-# minutes, after which the feedback is deleted
-feedback.cleanup=10
-
-# maximal filesize in bytes
-upload.filesize_b=1048576
-
-# maximal number of answer options allowed for a skill question
-question.answer-option-limit=8
-
-# Enable Markdown and MathJax parsing in answer options. Formatting in answer
-# options should be used cautiously since it could lead to display errors.
-# Answer options will still not be parsed in diagrams. This setting has no
-# effect if neither MathJax nor Markdown are enabled.
-question.parse-answer-option-formatting=false
-
-# Links which are displayed in the frontend applications
-#
-links.documentation.url=https://arsnova.eu/manual/
-links.overlay.url=https://arsnova.eu/overlay/
-links.organization.url=
-links.imprint.url=
-links.privacy-policy.url=

src/main/resources/config/actuator.yml

+arsnova:
+  management:
+    endpoints:
+      web:
+        base-path: /management
+        exposure:
+          include: "*"
+    endpoint:
+      health:
+        show-details: when-authorized
+        roles:
+          - ADMIN
+          - MONITORING
+    metrics:
+      web:
+        server:
+          auto-time-requests: true

src/main/resources/config/defaults.yml

+arsnova:
+  ##############################################################################
+  # System settings
+  ##############################################################################
+  system:
+    # The URL under which the ARSnova server is reachable. Use
+    # http://localhost:8080 for development.
+    root-url: https://example.com
+
+    # The path where the ARSnova API is accessible by clients. By default,
+    # this path is set to the context path of the backend. If you are running
+    # the backend behind a proxy server, you might need to set this path
+    # manually.
+    api:
+      proxy-path: ~
+
+    # Database
+    couchdb:
+      host: localhost
+      port: 5984
+      db-name: arsnova3
+      username: admin
+      password: ""
+
+    # Mail server
+    mail:
+      host: ""
+      sender-name: ARSnova
+      sender-address: ""
+
+    # Message broker for internal service communication
+    message-broker:
+      relay:
+        enabled: false
+        host: localhost
+        port: 61613
+        username: arsnova
+        password: arsnova
+
+    # LMS connector service
+    lms-connector:
+      enabled: false
+      host-url: http://localhost:8080/lms-connector-service
+      username: test
+      password: test
+
+    # Legacy WebSocket server
+    socketio:
+      bind-address: localhost
+      port: 8090
+      proxy-path: /socket.io
+
+    inactivity-thresholds:
+      # Anonymize user content for users with X days of inactivity
+      anonymize-users: 180
+
+      # Delete guest sessions automatically after X days of owner inactivity.
+      delete-guest-rooms: 180
+
+    uploads:
+      # Maximal filesize in bytes
+      max-filesize: 4194304
+      thumbnail:
+        # Maximal thumbnail size in pixels
+        width: 400
+        height: 400
+
+  ##############################################################################
+  # Authentication
+  ##############################################################################
+  security:
+    # Admin accounts
+    # Usernames of the accounts which are allowed to manage global messages of
+    # the day. Multiple accounts are separated by commas.
+    admin-accounts: ""
+    # After the specified number of login tries the client IP will be banned for
+    # several minutes
+    login-try-limit: 50
+
+    # JSON Web Tokens
+    jwt:
+      serverId: arsnova.backend.v3:com.example
+      secret: ""
+      validity-period: 6H
+
+    # CORS grants full API access to client-side (browser) applications from
+    # other domains. Multiple entries are separated by commas. Untrusted and
+    # vulnerable applications running on these domains pose a security risk to
+    # ARSnova users.
+    cors-origins: https://
+
+    authentication-providers:
+      # Guest authentication
+      guest:
+        enabled: true
+        allowed-roles:
+          - moderator
+          - participant
+        order: 0
+
+      # Internal authentication
+      #
+      # Specific parameters:
+      # activation-path: URL of the account activation page
+      # allowed-email-domains: Allows you to restrict registration to specific
+      #     domains. You can use wildcards (*), e. g. *.*.example.com. Multiple
+      #     entries are separated by commas.
+      # registration-mail.subject: Subject used for registration e-mail
+      # registration-mail.body: Text body used for registration e-mail. {0} will
+      #     be replaced by the value of activation-path.
+      registered:
+        enabled: true
+        allowed-roles:
+          - moderator
+          - participant
+        title: ARSnova
+        order: 0
+        allowed-email-domains:
+          - '*'
+        registration-mail-subject: ARSnova Registration
+        registration-mail-body: |-
+          Welcome to ARSnova!
+
+          Here is the activation code you need for your first login to ARSnova:
+
+              {0}
+
+          {1}
+        reset-password-mail-subject: ARSnova Password Reset
+        reset-password-mail-body: |-
+          You requested to reset your password.
+
+          Here is the confirmation code you need to set a new password:
+
+              {0}
+
+          {1}
+
+      # LDAP authentication
+      #
+      # Specific parameters:
+      # url: LDAP server URL
+      # user-dn-pattern: Pattern used to check user credentials against the LDAP
+      #     server. {0} will be replaced with the user ID by ARSnova.
+      ldap:
+        - enabled: false
+          allowed-roles:
+            - moderator
+            - participant
+          title: LDAP
+          order: 0
+          host-url: ldaps://example.com:636/dc=example,dc=com
+          user-dn-pattern: uid={0},ou=arsnova
+          user-id-attribute: uid
+          # Set the following properties if you want to use LDAP search instead
+          # of binding with a DN pattern
+          user-search-filter: (uid={0})
+          user-search-base: '"ou=people"'
+          # Configure the LDAP manager user if anonymous binding is not allowed
+          manager-user-dn: cn=arsnova-manager,dc=example,dc=com
+          manager-password: arsnova
+          # Timeout for establishing a connection in milliseconds
+          connect-timeout: 5000
+
+      # SAML authentication
+      saml:
+        enabled: false
+        allowed-roles:
+          - moderator
+          - participant
+        title: SAML
+        order: 0
+        idp:
+          meta-file: saml-idp.xml
+        sp:
+          meta-file: ""
+          entity-id: ""
+        keystore:
+          file: arsnova.jks
+          store-password: arsnova
+          key-alias: saml
+          key-password: arsnova
+        user-id-attribute: uid
+        assertion-consumer-service-index: 0
+        max-authentication-lifetime: 3600
+
+      # CAS authentication
+      cas:
+        enabled: false
+        allowed-roles:
+          - moderator
+          - participant
+        title: CAS
+        order: 0
+        host-url: https://example.com/cas
+
+      # OpenID Connect authentication
+      oidc:
+        - enabled: false
+          allowed-roles:
+            - moderator
+            - participant
+          title: OIDC
+          order: 0
+          issuer: https://example.com/oidc
+          client-id: ""
+          secret: ""
+
+      # OAuth authentication with third party services
+      # Specific parameters:
+      # key: OAuth key/id provided by a third party auth service
+      # secret: OAuth secret provided by a third party auth service
+      oauth:
+        facebook:
+          enabled: false
+          allowed-roles:
+            - moderator
+            - participant
+          order: 0
+          key: ""
+          secret: ""
+        twitter:
+          enabled: false
+          allowed-roles:
+            - moderator
+            - participant
+          order: 0
+          key: ""
+          secret: ""
+        google:
+          enabled: false
+          allowed-roles:
+            - moderator
+            - participant
+          order: 0
+          key: ""
+          secret: ""
+
+  ##############################################################################
+  # Features
+  ##############################################################################
+  features:
+    contents:
+      enabled: true
+      formats:
+        grid-square:
+          enabled: false
+        freetext:
+          imageanswer:
+            enabled: false
+      # Maximal number of answer options allowed for a skill question
+      answer-option-limit: 8
+
+    comments:
+      enabled: true
+
+    live-feedback:
+      enabled: true
+      # Minutes, after which the feedback is deleted
+      reset-interval: 10
+
+    content-pool:
+      enabled: false
+      subjects: Allgemeines,Anglistik,Architektur,Bauingenieurwesen,Betriebswirtschaftslehre,Biologie,Chemie,Elektrotechnik,Geographie,Geowissenschaften,Germanistik,Geschichtswissenschaft,Informatik,Kunst,Kunstpädagogik,Maschinenbau,Mathematik,Medienwissenschaften,Medizin,Musik,Pharmazie,Physik,Psychologie,Rechtswissenschaften,Stadtplanung,Theaterwissenschaften,Theologie,Vermessungswesen,Volkswirtschaftslehre
+      licenses: CC by - Attribution,CC nc - Non-Commercial,CC nd - No Derivatives,CC sa - Share Alike,CCO - Public Domain,CC by-nd -  Attribution-No Derivatives,CC by-c - Attribution-Non-Commercial,CC by-nc-sa - Attribution-Non-Derivatives-Share Alike,CC by-nc-nd Attribution-Non-Commercial- No Derivatives,GNU GPL - GNU General Public License
+      # Logo file size in bytes
+      logo-max-filesize: 102400
+      # Do not reorder levels. Append new levels to the end of the list. Otherwise,
+      # references in existing public sessions could be mixed up.
+      session-levels:
+        de: Allgemeinbildung,Abitur,Bachelor,Master,Wer wird Millionär,Sonstiges
+        en: General Education,Highschool,Bachelor,Master,Who Wants to Be a Millionaire,Miscellaneous
+
+  ##############################################################################
+  # User interface
+  ##############################################################################
+  ui:
+    # Label underneath ARSnova logo
+    slogan: Audience Response System
+
+    # Demo room short id to show above room login button
+    # You can freely use the demo room of https://arsnova.eu/mobile which can
+    # be imported from the repo:
+    # https://github.com/thm-projects/arsnova-mobile/tree/master/demo-sessions
+    demo-room-id: ""
+
+    # Splashscreen configuration
+    # Best results are achieved with logos that have the same width and height.
+    splashscreen:
+      logo-path: resources/images/arsnova-logo.png
+      slogan: Audience Response System
+      min-delay: 3000
+
+      # Splash screen colors
+      # These settings override the default colors of the frontend theme.
+      slogan-color: ""
+      background-color: ""
+      loading-ind-color: ""
+
+    # Enable Markdown and MathJax parsing in answer options. Formatting in
+    # answer options should be used cautiously since it could lead to display
+    # errors. Answer options will still not be parsed in diagrams. This setting
+    # has no effect if neither MathJax nor Markdown are enabled.
+    parse-answer-option-formatting: false
+
+    mathjax:
+      # Enable MathJax to allow the use of Math formulas written in TeX syntax
+      # in text fields.
+      enabled: true
+      src: //cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js
+
+    # Number of "you've lost me"/"abgehängt" votes, starting to show warning
+    # sign
+    feedback-warning: 15
+
+    # Links which are displayed in the frontend applications
+    links:
+      blog:
+        url: https://arsnova.eu/blog/
+      documentation:
+        url: https://arsnova.eu/manual/
+      presenter-documentation:
+        url: ""
+      overlay:
+        url: https://arsnova.eu/overlay/
+      organization:
+        url: ""
+      imprint:
+        url: ""
+      privacy-policy:
+        url: ""
+
+    # It is possible to use an external tracking software with ARSnova. Currently
+    # Matomo is the only supported tracking provider.
+    tracking:
+      provider: matomo
+      tracker-url: ""
+      site-id: ""
+
+  # The context paths where the ARSnova modules have been deployed
+  customization:
+    path: /customization
+  mobile:
+    path: /mobile
+  presenter:
+    path: /presenter

src/main/resources/couchdb/Answer.design.js

+var designDoc = {
+	"_id": "_design/Answer",
+	"language": "javascript",
+	"views": {
+		"by_id": {
+			"map": function (doc) {
+				if (doc.type === "Answer") {
+					emit(doc._id, {_rev: doc._rev});
+				}
+			},
+			"reduce": "_count"
+		},
+		"by_contentid": {
+			"map": function (doc) {
+				if (doc.type === "Answer") {
+					emit(doc.contentId, {_rev: doc._rev});
+				}
+			},
+            "reduce": "_count"
+		},
+		"by_contentid_round_body_subject": {
+			"map": function (doc) {
+				if (doc.type === "Answer") {
+					emit([doc.contentId, doc.round, doc.abstention, doc.body, doc.subject, doc.successfulFreeTextAnswer], {_rev: doc._rev});
+				}
+			},
+			"reduce": "_count"
+		},
+		"by_contentid_round_selectedchoiceindexes": {
+			"map": function (doc) {
+				if (doc.type === "Answer") {
+					emit([doc.contentId, doc.round, doc.selectedChoiceIndexes], {_rev: doc._rev});
+				}
+			},
+			"reduce": "_count"
+		},
+		"by_contentid_creationtimestamp": {
+			"map": function (doc) {
+				if (doc.type === "Answer") {
+					emit([doc.contentId, doc.creationTimestamp], {_rev: doc._rev});
+				}
+			}
+		},
+		"by_contentid_creatorid_round": {
+			"map": function (doc) {
+				if (doc.type === "Answer") {
+					emit([doc.contentId, doc.creatorId, doc.round], {_rev: doc._rev});
+				}
+			}
+		},
+		"by_roomid": {
+			"map": function (doc) {
+				if (doc.type === "Answer") {
+					emit(doc.roomId, {_rev: doc._rev});
+				}
+			},
+			"reduce": "_count"
+		},
+		"by_creatorid_roomid": {
+			"map": function (doc) {
+				if (doc.type === "Answer") {
+					emit([doc.creatorId, doc.roomId], {_rev: doc._rev});
+				}
+			}
+		}
+	}
+};

src/main/resources/couchdb/Attachment.design.js

+var designDoc = {
+	"_id": "_design/Attachment",
+	"language": "javascript",
+	"views": {
+		"by_id": {
+			"map": function (doc) {
+				if (doc.type === "Attachment") {
+					emit(doc._id, {_rev: doc._rev});
+				}
+			},
+			"reduce": "_count"
+		},
+		"by_creatorid": {
+			"map": function (doc) {
+				if (doc.type === "Attachment") {
+					emit(doc.creatorId, {_rev: doc._rev});
+				}
+			},
+			"reduce": "_count"
+		}
+	}
+}

src/main/resources/couchdb/Comment.design.js

+var designDoc = {
+	"_id": "_design/Comment",
+	"language": "javascript",
+	"views": {
+		"by_id": {
+			"map": function (doc) {
+				if (doc.type === "Comment") {
+					emit(doc._id, {_rev: doc._rev});
+				}
+			},
+			"reduce": "_count"
+		},
+		"by_roomid": {
+			"map": function (doc) {
+				if (doc.type === "Comment") {
+					emit(doc.roomId, {_rev: doc._rev});
+				}
+			},
+			"reduce": "_count"
+		},
+		"by_roomid_creatorid_read": {
+			"map": function (doc) {
+				if (doc.type === "Comment") {
+					emit([doc.roomId, doc.creatorId, doc.read], {_rev: doc._rev})
+				}
+			},
+			"reduce": "_count"
+		},
+		"by_roomid_creatorid_creationtimestamp": {
+			"map": function (doc) {
+				if (doc.type === "Comment") {
+					emit([doc.roomId, doc.creatorId, doc.creationTimestamp], {_rev: doc._rev});
+				}
+			}
+		},
+		"by_roomid_read": {
+			"map": function (doc) {
+				if (doc.type === "Comment") {
+					emit([doc.roomId, doc.read], {_rev: doc._rev});
+				}
+			},
+			"reduce": "_count"
+		},
+		"by_roomid_creationtimestamp": {
+			"map": function (doc) {
+				if (doc.type === "Comment") {
+					emit([doc.roomId, doc.creationTimestamp], {_rev: doc._rev});
+				}
+			}
+		}
+	}
+};

src/main/resources/couchdb/Content.design.js

+var designDoc = {
+	"_id": "_design/Content",
+	"language": "javascript",
+	"views": {
+		"by_id": {
+			"map": function (doc) {
+				if (doc.type === "Content") {
+					emit(doc._id, {_rev: doc._rev});
+				}
+			},
+			"reduce": "_count"
+		},
+		"by_roomid": {
+			"map": function (doc) {
+				if (doc.type === "Content") {
+					emit(doc.roomId, {_rev: doc._rev});
+				}
+			},
+			"reduce": "_count"
+		},
+		"by_roomid_locked": {
+			"map": function (doc) {
+				if (doc.type === "Content") {
+					emit([doc.roomId, doc.locked, doc.subject, doc.body.substr(0, 16)], {_rev: doc._rev});
+				}
+			},
+			"reduce": "_count"
+		}
+	}
+};

src/main/resources/couchdb/ContentGroup.design.js

+var designDoc = {
+	"_id": "_design/ContentGroup",
+	"language": "javascript",
+	"views": {
+		"by_id": {
+			"map": function (doc) {
+				if (doc.type === "ContentGroup") {
+					emit(doc._id, {_rev: doc._rev});
+				}
+			},
+			"reduce": "_count"
+		},
+		"by_roomid_name": {
+			"map": function (doc) {
+				if (doc.type === "ContentGroup") {
+					emit([doc.roomId, doc.name], {_rev: doc._rev});
+				}
+			},
+			"reduce": "_count"
+		}
+	}
+};

src/main/resources/couchdb/Motd.design.js

+var designDoc = {
+	"_id": "_design/Motd",
+	"language": "javascript",
+	"views": {
+		"by_id": {
+			"map": function (doc) {
+				if (doc.type === "Motd") {
+					emit(doc._id, {_rev: doc._rev});
+				}
+			},
+			"reduce": "_count"
+		},
+		"by_audience_for_global": {
+			"map": function (doc) {
+				if (doc.type === "Motd" && doc.audience !== "ROOM") {
+					emit(doc.audience, {_rev: doc._rev});
+				}
+			}
+		},
+		"by_id": {
+			"map": function (doc) {
+				if (doc.type === "Motd") {
+					emit(doc.id, {_rev: doc._rev});
+				}
+			}
+		},
+		"by_roomid": {
+			"map": function (doc) {
+				if (doc.type === "Motd" && doc.audience === "ROOM") {
+					emit(doc.roomId, {_rev: doc._rev});
+				}
+			}
+		}
+	}
+};