add juick bot protocol WIP

3 files changed, 429 insertions, 0 deletions

diff --git a/src/main/java/com/juick/server/protocol/JuickProtocol.java b/src/main/java/com/juick/server/protocol/JuickProtocol.java
new file mode 100644
index 00000000..923c404e
--- /dev/null
+++ b/src/main/java/com/juick/server/protocol/JuickProtocol.java
@@ -0,0 +1,375 @@
+package com.juick.server.protocol;
+
+import com.juick.*;
+import com.juick.json.MessageSerializer;
+import com.juick.server.*;
+import com.juick.server.protocol.annotation.UserCommand;
+import com.juick.xmpp.extensions.JuickMessage;
+import org.springframework.jdbc.core.JdbcTemplate;
+
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.util.*;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import java.util.stream.Collectors;
+
+/**
+ * Created by oxpa on 22.03.16.
+ */
+
+public class JuickProtocol {
+    MessageSerializer json = new MessageSerializer();
+    JdbcTemplate sql;
+    String baseUri;
+
+    public JuickProtocol(JdbcTemplate sql, String baseUri) {
+        this.sql = sql;
+        this.baseUri = baseUri;
+    }
+
+    /**
+     * find command by pattern and invoke
+     * @param user who send command
+     * @param userInput given by user
+     * @return command result
+     * @throws InvocationTargetException
+     * @throws IllegalAccessException
+     * @throws NoSuchMethodException
+     */
+    public ProtocolReply getReply(User user, String userInput) throws InvocationTargetException,
+            IllegalAccessException, NoSuchMethodException {
+        Optional<Method> cmd =  Arrays.asList(getClass().getDeclaredMethods()).stream()
+                .filter(m -> m.isAnnotationPresent(UserCommand.class))
+                .filter(m -> Pattern.compile(m.getAnnotation(UserCommand.class).pattern(),
+                        m.getAnnotation(UserCommand.class).patternFlags()).matcher(userInput).matches())
+                .findFirst();
+        if (!cmd.isPresent()) {
+            // default command - post as new message
+            return postMessage(user, userInput);
+        } else {
+            Matcher matcher = Pattern.compile(cmd.get().getAnnotation(UserCommand.class).pattern(),
+                    cmd.get().getAnnotation(UserCommand.class).patternFlags()).matcher(userInput);
+            List<String> groups = new ArrayList<>();
+            while (matcher.find()) {
+                for (int i = 1; i <= matcher.groupCount(); i++) {
+                    groups.add(matcher.group(i));
+                }
+            }
+            return (ProtocolReply) getClass().getMethod(cmd.get().getName(), User.class, String[].class)
+                    .invoke(this, user, groups.toArray(new String[groups.size()]));
+        }
+    }
+
+    public ProtocolReply postMessage(User user, String input) {
+        List<Tag> tags = TagQueries.fromString(sql, input, false);
+        String body = input.substring(TagQueries.toString(tags).length());
+        int mid = MessagesQueries.createMessage(sql, user.getUID(), body, null, tags);
+        //app.events().publishEvent(new JuickMessageEvent(app.messages().getMessage(mid)));
+        return new ProtocolReply("New message posted.\n#" + mid + " " + baseUri + mid,
+                Optional.of(json.serializeList(Collections.singletonList(MessagesQueries.getMessage(sql, mid)))));
+    }
+
+    @UserCommand(pattern = "^#(\\++)$", help = "#+ - Show last Juick messages (#++ - second page, ...)")
+    public ProtocolReply commandLast(User user, String... arguments) {
+        // number of + is the page count
+        int page = arguments[0].length();
+        List<Integer> mids = MessagesQueries.getAll(sql, user.getUID(), page);
+        List<Message> messages = MessagesQueries.getMessages(sql, mids);
+        // TODO: message toString
+        return new ProtocolReply("Last messages: \n" + String.join("\n", messages.stream().map(Object::toString)
+                .collect(Collectors.toList())), Optional.of(json.serializeList(messages)));
+    }
+
+    @UserCommand(pattern = "^\\s*bl\\s*$", patternFlags = Pattern.CASE_INSENSITIVE,
+            help = "BL - Show your blacklist")
+    public ProtocolReply commandBL(User user_from, String... arguments) {
+        List<User> blusers;
+        List<String> bltags;
+
+        blusers = UserQueries.getUserBLUsers(sql, user_from.getUID());
+        bltags = TagQueries.getUserBLTags(sql, user_from.getUID());
+
+
+        String txt = "";
+        if (bltags.size() > 0) {
+            for (String bltag : bltags) {
+                txt += "*" + bltag + "\n";
+            }
+
+            if (blusers.size() > 0) {
+                txt += "\n";
+            }
+        }
+        if (blusers.size() > 0) {
+            for (User bluser : blusers) {
+                txt += "@" + bluser.getUName() + "\n";
+            }
+        }
+        if (txt.isEmpty()) {
+            txt = "You don't have any users or tags in your blacklist.";
+        }
+        return new ProtocolReply(txt, Optional.empty());
+    }
+
+    @UserCommand(pattern = "^\\@([^\\s\\n\\+]+)(\\+?)$",
+            help = "@username+ - Show user's info and last 10 messages (@username++ - second page, ..)")
+    public ProtocolReply commandUser(User user, String... arguments) {
+        User blogUser = UserQueries.getUserByName(sql, arguments[0]);
+        int page = arguments[1].length();
+        if (blogUser.getUID() > 0) {
+            List<Integer> mids = MessagesQueries.getUserBlog(sql, blogUser.getUID(), 0, page);
+            List<Message> messages = MessagesQueries.getMessages(sql, mids);
+            return new ProtocolReply(String.format("Last messages from @%s:\n%s", arguments[0],
+                    String.join("\n", messages.stream()
+                            .map(Object::toString).collect(Collectors.toList()))),
+                    Optional.of(json.serializeList(messages)));
+        }
+        return new ProtocolReply("User not found", Optional.empty());
+    }
+
+    @UserCommand(pattern = "^\\s*d\\s*\\#([0-9]+)\\s*$", patternFlags = Pattern.CASE_INSENSITIVE,
+            help = "D #12345 - delete the message")
+    public ProtocolReply commandDel(User user, String... args) {
+        try {
+            int mid = Integer.parseInt(args[0]);
+            if (MessagesQueries.deleteMessage(sql, user.getUID(), mid)) {
+                return new ProtocolReply(String.format("Message %s deleted", mid), Optional.empty());
+            }
+        } catch (NumberFormatException e) {
+            return new ProtocolReply("Error", Optional.empty());
+        }
+        return new ProtocolReply("Error", Optional.empty());
+    }
+
+    @UserCommand(pattern = "^\\s*login\\s*$", patternFlags = Pattern.CASE_INSENSITIVE,
+            help = "LOGIN - log in to Juick website")
+    public ProtocolReply commandLogin(User user, String... arguments) {
+        return new ProtocolReply(baseUri + "?" + UserQueries.getHashByUID(sql, user.getUID()),
+                Optional.empty());
+    }
+
+    @UserCommand(pattern = "^(#+)$", help = "# - Show last messages from your feed (## - second page, ...)")
+    public ProtocolReply commandMyFeed(User user, String... arguments) {
+        // number of # is the page count
+        int page = arguments[0].length();
+        List<Integer> mids = MessagesQueries.getMyFeed(sql, user.getUID(), page);
+        List<Message> messages = MessagesQueries.getMessages(sql, mids);
+        // TODO: add instructions for empty feed
+        return new ProtocolReply("Your feed: \n" + String.join("\n",
+                messages.stream().map(Object::toString).collect(Collectors.toList())),
+                Optional.of(json.serializeList(messages)));
+    }
+
+    @UserCommand(pattern = "^\\s*(on|off)\\s*$", patternFlags = Pattern.CASE_INSENSITIVE,
+            help = "ON/OFF - Enable/disable subscriptions delivery")
+    public ProtocolReply commandOnOff(User user, String[] input) {
+        UserQueries.ActiveStatus newStatus;
+        String retValUpdated;
+        if (input[0].toLowerCase().equals("on")) {
+            newStatus = UserQueries.ActiveStatus.Active;
+            retValUpdated = "Notifications are activated for " + user.getJID();
+        } else {
+            newStatus = UserQueries.ActiveStatus.Inactive;
+            retValUpdated = "Notifications are disabled for " + user.getJID();
+        }
+
+        if (UserQueries.setActiveStatusForJID(sql, user.getJID(), newStatus)) {
+            return new ProtocolReply(retValUpdated, Optional.empty());
+        } else {
+            return new ProtocolReply(String.format("Subscriptions status for %s was not changed", user.getJID()),
+                    Optional.empty());
+        }
+    }
+
+    @UserCommand(pattern = "^\\s*ping\\s*$", patternFlags = Pattern.CASE_INSENSITIVE,
+            help = "PING - returns you a PONG")
+    public ProtocolReply commandPing(User user, String[] input) {
+        return new ProtocolReply("PONG", Optional.empty());
+    }
+
+    @UserCommand(pattern = "^\\@(\\S+)\\s+([\\s\\S]+)$", help = "@username message - send PM to username")
+    public ProtocolReply commandPM(User user_from, String... arguments) {
+        String user_to = arguments[0];
+        String body = arguments[1];
+        int ret = 0;
+
+        int uid_to = 0;
+        String jid_to = null;
+        boolean haveInRoster = false;
+
+        if (user_to.indexOf('@') > 0) {
+            uid_to = UserQueries.getUIDbyJID(sql, user_to);
+        } else {
+            uid_to = UserQueries.getUIDbyName(sql, user_to);
+        }
+
+        if (uid_to > 0) {
+            if (!UserQueries.isInBLAny(sql, uid_to, user_from.getUID())) {
+                if (PMQueries.createPM(sql, user_from.getUID(), uid_to, body)) {
+                    jid_to = UserQueries.getJIDsbyUID(sql, uid_to);
+                    if (jid_to != null) {
+                        haveInRoster = PMQueries.havePMinRoster(sql, user_from.getUID(), jid_to);
+                    }
+                    ret = 200;
+                } else {
+                    ret = 500;
+                }
+            } else {
+                ret = 403;
+            }
+        } else {
+            ret = 404;
+        }
+
+
+        if (ret == 200) {
+            JuickMessage jmsg = new JuickMessage();
+            jmsg.setUser(user_from);
+            jmsg.setText(body);
+            // TODO: add PM payload
+            app.events().publishEvent(new JuickMessageEvent(jmsg));
+            /* TODO: move to XMPP component
+            if (jid_to != null) {
+                Message mm = new Message();
+                mm.to = new JID(jid_to);
+                mm.type = Message.Type.chat;
+                if (haveInRoster) {
+                    mm.from = new JID(user_from.getUName(), getDomain(), "Juick");
+                    mm.body = body;
+                } else {
+                    mm.from = new JID("juick", getDomain(), "Juick");
+                    mm.body = "Private message from @" + user_from.getUName() + ":\n" + body;
+                }
+                return Collections.singletonList(mm);
+            }
+            */
+        }
+        if (ret == 200) {
+            return new ProtocolReply("Private message sent", Optional.empty());
+        } else {
+            return new ProtocolReply("Error " + ret, Optional.empty());
+        }
+    }
+
+    @UserCommand(pattern = "^#(\\d+)(\\+?)$", help = "#1234 - Show message (#1234+ - message with replies)")
+    public ProtocolReply commandShow(User user, String... arguments) {
+        boolean showReplies = arguments[1].length() > 0;
+        int mid;
+        try {
+            mid = Integer.parseInt(arguments[0]);
+        } catch (NumberFormatException e) {
+            return new ProtocolReply("Error", Optional.empty());
+        }
+        Message msg = MessagesQueries.getMessage(sql, mid);
+        if (showReplies) {
+            List<Message> replies = MessagesQueries.getReplies(sql, mid);
+            replies.add(0, msg);
+            return new ProtocolReply(String.join("\n",
+                    replies.stream().map(Object::toString).collect(Collectors.toList())),
+                    Optional.of(json.serializeList(replies)));
+        }
+        return new ProtocolReply(msg.toString(), Optional.of(json.serializeList(Collections.singletonList(msg))));
+    }
+    @UserCommand(pattern = "^(#|\\.)(\\d+)((\\.|\\-|\\/)(\\d+))?\\s([\\s\\S]+)",
+    help = "#1234 *tag *tag2 - edit tags\n#1234 text - reply to message")
+    public ProtocolReply EditOrReply(User user, String... args) {
+        int mid;
+        try {
+            mid = Integer.parseInt(args[1]);
+        } catch (NumberFormatException e) {
+            return new ProtocolReply("Error", Optional.empty());
+        }
+        int rid;
+        try {
+            rid = Integer.parseInt(args[4]);
+        } catch (NumberFormatException e) {
+            rid = 0;
+        }
+        String txt = args[5];
+        List<Tag> messageTags = TagQueries.fromString(sql, txt, true);
+        if (messageTags.size() > 0) {
+            if (user.getUID() != MessagesQueries.getMessageAuthor(sql, mid).getUID()) {
+                return new ProtocolReply("It is not your message", Optional.empty());
+            }
+            TagQueries.updateTags(sql, mid, messageTags);
+            return new ProtocolReply("Tags are updated", Optional.empty());
+        } else {
+            int newrid = MessagesQueries.createReply(sql, mid, rid, user.getUID(), txt, null);
+            return new ProtocolReply("Reply posted.\n#" + mid + "/" + newrid + " "
+                    + baseUri + mid + "/" + newrid,
+                    Optional.of(json.serializeList(Collections.singletonList(MessagesQueries.getReply(sql, mid, newrid)))));
+        }
+    }
+
+    @UserCommand(pattern = "^(s|u)\\s+#(\\d+)$", help = "S #1234 - subscribe to comments",
+            patternFlags = Pattern.CASE_INSENSITIVE)
+    public ProtocolReply commandSubscribeMessage(User user, String... args) {
+        boolean subscribe = args[0].equalsIgnoreCase("s");
+        int mid;
+        try {
+            mid = Integer.parseInt(args[1]);
+        } catch (NumberFormatException e) {
+            return new ProtocolReply("Error", Optional.empty());
+        }
+        if (subscribe) {
+            if (SubscriptionsQueries.subscribeMessage(sql, mid, user.getUID())) {
+                return new ProtocolReply("Subscribed", Optional.empty());
+            }
+        } else {
+            if (SubscriptionsQueries.unSubscribeMessage(sql, mid, user.getUID())) {
+                return new ProtocolReply("Unsubscribed from #" + mid, Optional.empty());
+            }
+            return new ProtocolReply("You was not subscribed to #" + mid, Optional.empty());
+        }
+        return new ProtocolReply("Error", Optional.empty());
+    }
+    @UserCommand(pattern = "^(s|u)\\s+\\@(\\S+)$", help = "S @user - subscribe to user's posts",
+            patternFlags = Pattern.CASE_INSENSITIVE)
+    public ProtocolReply commandSubscribeUser(User user, String... args) {
+        boolean subscribe = args[0].equalsIgnoreCase("s");
+        User toUser = UserQueries.getUserByName(sql, args[1]);
+        if (toUser.getUID() > 0) {
+            if (subscribe) {
+                if (SubscriptionsQueries.subscribeUser(sql, user, toUser)) {
+                    return new ProtocolReply("Subscribed", Optional.empty());
+                    // TODO: notification
+                    // TODO: already subscribed case
+                }
+            } else {
+                if (SubscriptionsQueries.unSubscribeUser(sql, user, toUser)) {
+                    return new ProtocolReply("Unsubscribed from @" + toUser.getUName(), Optional.empty());
+                }
+                return new ProtocolReply("You was not subscribed to @" + toUser.getUName(), Optional.empty());
+            }
+        }
+        return new ProtocolReply("Error", Optional.empty());
+    }
+    @UserCommand(pattern = "^(s|u)\\s+\\*(\\S+)$", help = "S *tag - subscribe to tag" +
+            "\nU *tag - unsubscribe from tag", patternFlags = Pattern.CASE_INSENSITIVE)
+    public ProtocolReply commandSubscribeTag(User user, String... args) {
+        boolean subscribe = args[0].equalsIgnoreCase("s");
+        Tag tag = TagQueries.getTag(sql, args[1], true);
+        if (subscribe) {
+            if (SubscriptionsQueries.subscribeTag(sql, user, tag)) {
+                return new ProtocolReply("Subscribed", Optional.empty());
+            }
+        } else {
+            if (SubscriptionsQueries.unSubscribeTag(sql, user, tag)) {
+                return new ProtocolReply("Unsubscribed from " + tag.Name, Optional.empty());
+            }
+            return new ProtocolReply("You was not subscribed to " + tag.Name, Optional.empty());
+        }
+        return new ProtocolReply("Error", Optional.empty());
+    }
+
+    @UserCommand(pattern = "^\\s*help\\s*$", patternFlags = Pattern.CASE_INSENSITIVE,
+            help = "HELP - returns this help message")
+    public ProtocolReply commandHelp(User user, String[] input) {
+        List<String> commandsHelp = Arrays.asList(getClass().getDeclaredMethods()).stream()
+                .filter(m -> m.isAnnotationPresent(UserCommand.class))
+                .map(m -> m.getAnnotation(UserCommand.class).help())
+                .collect(Collectors.toList());
+        return new ProtocolReply(String.join("\n", commandsHelp), Optional.empty());
+    }
+}
diff --git a/src/main/java/com/juick/server/protocol/ProtocolReply.java b/src/main/java/com/juick/server/protocol/ProtocolReply.java
new file mode 100644
index 00000000..d9d36a5d
--- /dev/null
+++ b/src/main/java/com/juick/server/protocol/ProtocolReply.java
@@ -0,0 +1,23 @@
+package com.juick.server.protocol;
+
+import java.util.Optional;
+
+/**
+ * Created by vitalyster on 08.04.2016.
+ */
+public class ProtocolReply {
+
+    private Optional<String> json;
+    private String description;
+
+    public ProtocolReply(String text, Optional<String> json) {
+        this.description = text;
+        this.json = json;
+    }
+    public String getDescription() {
+        return description;
+    }
+    public Optional<String> getJson() {
+        return json;
+    }
+}
diff --git a/src/main/java/com/juick/server/protocol/annotation/UserCommand.java b/src/main/java/com/juick/server/protocol/annotation/UserCommand.java
new file mode 100644
index 00000000..af7c4924
--- /dev/null
+++ b/src/main/java/com/juick/server/protocol/annotation/UserCommand.java
@@ -0,0 +1,31 @@
+package com.juick.server.protocol.annotation;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * Created by oxpa on 22.03.16.
+ */
+@Target({ElementType.TYPE, ElementType.METHOD})
+@Retention(RetentionPolicy.RUNTIME)
+public @interface UserCommand {
+    /**
+     *
+     * @return a command pattern
+     */
+    String pattern() default "";
+
+    /**
+     *
+     * @return pattern flags
+     */
+    int patternFlags() default 0;
+
+    /**
+     *
+     * @return a string used in HELP command output. Basically, only 1 string
+     */
+    String help() default "";
+}