7 files changed, 187 insertions, 0 deletions
diff --git a/juick-commands/build.gradle b/juick-commands/build.gradle
new file mode 100644
index 00000000..bfe85d98
--- /dev/null
+++ b/juick-commands/build.gradle
@@ -0,0 +1,19 @@
+version 'unspecified'
+
+apply plugin: 'java'
+
+sourceCompatibility = 1.8
+
+repositories {
+    mavenCentral()
+}
+
+dependencies {
+    compile project(':juick-server-core')
+
+    compile "org.springframework:spring-context-support:${rootProject.springFrameworkVersion}"
+    compile "org.projectlombok:lombok:1.16.14"
+    compile "org.slf4j:slf4j-api:1.7.24"
+
+    testCompile group: 'junit', name: 'junit', version: '4.12'
+}
diff --git a/juick-commands/src/main/java/com/juick/command/Command.java b/juick-commands/src/main/java/com/juick/command/Command.java
new file mode 100644
index 00000000..3d974bba
--- /dev/null
+++ b/juick-commands/src/main/java/com/juick/command/Command.java
@@ -0,0 +1,16 @@
+package com.juick.command;
+
+import com.juick.User;
+import com.juick.server.protocol.ProtocolListener;
+
+import java.util.regex.Pattern;
+
+/**
+ * @author ma1uta
+ */
+public interface Command {
+
+    Pattern pattern();
+
+    String execute(User sender, ProtocolListener protocolListener, String command);
+}
diff --git a/juick-commands/src/main/java/com/juick/command/MultiArgsCommand.java b/juick-commands/src/main/java/com/juick/command/MultiArgsCommand.java
new file mode 100644
index 00000000..5fde6775
--- /dev/null
+++ b/juick-commands/src/main/java/com/juick/command/MultiArgsCommand.java
@@ -0,0 +1,24 @@
+package com.juick.command;
+
+import com.juick.User;
+import com.juick.server.protocol.ProtocolListener;
+
+import java.util.regex.Matcher;
+
+/**
+ * @author ma1uta
+ */
+public abstract class MultiArgsCommand implements Command {
+
+    @Override
+    public String execute(User sender, ProtocolListener protocolListener, String command) {
+        Matcher matcher = pattern().matcher(command.trim());
+        String[] arguments = new String[matcher.groupCount()];
+        for (int i = 1; i <= matcher.groupCount(); i++) {
+            arguments[i - 1] = (matcher.group(i));
+        }
+        return execute(sender, protocolListener, arguments);
+    }
+
+    protected abstract String execute(User sender, ProtocolListener protocolListener, String... arguments);
+}
diff --git a/juick-commands/src/main/java/com/juick/command/Ping.java b/juick-commands/src/main/java/com/juick/command/Ping.java
new file mode 100644
index 00000000..7d081b41
--- /dev/null
+++ b/juick-commands/src/main/java/com/juick/command/Ping.java
@@ -0,0 +1,26 @@
+package com.juick.command;
+
+import com.juick.User;
+import com.juick.server.protocol.ProtocolListener;
+import org.springframework.stereotype.Component;
+
+import java.util.regex.Pattern;
+
+/**
+ * @author ma1uta
+ */
+@Component
+public class Ping implements Command {
+
+    private static final Pattern PATTERN = Pattern.compile("^ping$", Pattern.CASE_INSENSITIVE);
+
+    @Override
+    public Pattern pattern() {
+        return PATTERN;
+    }
+
+    @Override
+    public String execute(User sender, ProtocolListener protocolListener, String command) {
+        return "PONG";
+    }
+}
diff --git a/juick-commands/src/main/java/com/juick/command/PrivateMessage.java b/juick-commands/src/main/java/com/juick/command/PrivateMessage.java
new file mode 100644
index 00000000..1e02f1da
--- /dev/null
+++ b/juick-commands/src/main/java/com/juick/command/PrivateMessage.java
@@ -0,0 +1,53 @@
+package com.juick.command;
+
+import com.juick.User;
+import com.juick.server.protocol.ProtocolListener;
+import com.juick.service.PMQueriesService;
+import com.juick.service.UserService;
+import lombok.Getter;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+import java.util.regex.Pattern;
+
+/**
+ * @author ma1uta
+ */
+@Component
+@Getter
+public class PrivateMessage extends MultiArgsCommand {
+
+    private static final Pattern PATTERN = Pattern.compile("^@(\\S+)\\s+([\\s\\S]+)$", Pattern.CASE_INSENSITIVE);
+
+    private final UserService userService;
+    private final PMQueriesService pmQueriesService;
+
+    @Autowired
+    public PrivateMessage(UserService userService, PMQueriesService pmQueriesService) {
+        this.userService = userService;
+        this.pmQueriesService = pmQueriesService;
+    }
+
+    @Override
+    public Pattern pattern() {
+        return PATTERN;
+    }
+
+    @Override
+    protected String execute(User sender, ProtocolListener protocolListener, String... arguments) {
+        String addressee = arguments[0];
+        String body = arguments[1];
+
+        User toUser = getUserService().getUserByName(addressee);
+
+        if (toUser.getUid() > 0) {
+            if (!getUserService().isInBLAny(toUser.getUid(), sender.getUid())) {
+                if (getPmQueriesService().createPM(sender.getUid(), toUser.getUid(), body)) {
+                    protocolListener.privateMessage(sender, toUser, body);
+                    return "Private message sent";
+                }
+            }
+        }
+        return "Error";
+    }
+}
diff --git a/juick-commands/src/main/java/com/juick/command/Processor.java b/juick-commands/src/main/java/com/juick/command/Processor.java
new file mode 100644
index 00000000..bf38a1b3
--- /dev/null
+++ b/juick-commands/src/main/java/com/juick/command/Processor.java
@@ -0,0 +1,48 @@
+package com.juick.command;
+
+import com.juick.User;
+import com.juick.server.protocol.ProtocolListener;
+import lombok.Getter;
+import lombok.Setter;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+import java.util.Set;
+
+/**
+ * @author ma1uta
+ */
+@Component
+@Getter
+public class Processor {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(Processor.class);
+
+    private final Set<Command> commands;
+    @Setter
+    private ProtocolListener protocolListener;
+
+    @Autowired
+    public Processor(Set<Command> commands) {
+        this.commands = commands;
+    }
+
+    public String execute(User sender, String command) {
+        if (LOGGER.isDebugEnabled()) {
+            LOGGER.debug("Execute command: {}", command);
+        }
+        for (Command commandItem : getCommands()) {
+            if (commandItem.pattern().matcher(command).matches()) {
+                if (LOGGER.isDebugEnabled()) {
+                    LOGGER.debug("Found command processor: {}", commandItem.getClass().getName());
+                }
+                return commandItem.execute(sender, command);
+            }
+        }
+
+        LOGGER.debug("Command processor not found, return help");
+        return "";
+    }
+}
diff --git a/settings.gradle b/settings.gradle
index 09b3c7ed..f5719a36 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -1,4 +1,5 @@
 rootProject.name = "Juick"
 
 include ':juick-core', ':juick-server-core', ':juick-server-jdbc', ':juick-server-web', ':juick-api', ':juick-www', ':juick-rss', ':juick-ws', ':juick-notifications', ':juick-crosspost', ':juick-xmpp', ':juick-xmpp-wip'
+include 'juick-commands'