1 files changed, 62 insertions, 0 deletions
diff --git a/juick-commands/src/main/java/com/juick/command/Recommendations.java b/juick-commands/src/main/java/com/juick/command/Recommendations.java
new file mode 100644
index 00000000..c7f38003
--- /dev/null
+++ b/juick-commands/src/main/java/com/juick/command/Recommendations.java
@@ -0,0 +1,62 @@
+package com.juick.command;
+
+import com.juick.User;
+import com.juick.server.protocol.ProtocolListener;
+import com.juick.service.ShowQueriesService;
+import lombok.Getter;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+import java.util.List;
+import java.util.regex.Pattern;
+
+/**
+ * @author ma1uta
+ */
+@Component
+@Getter
+public class Recommendations implements Command {
+
+    private static final Pattern PATTERN = Pattern.compile("@", Pattern.CASE_INSENSITIVE);
+
+    private final ShowQueriesService showQueriesService;
+
+    @Autowired
+    public Recommendations(ShowQueriesService showQueriesService) {
+        this.showQueriesService = showQueriesService;
+    }
+
+    @Override
+    public Pattern pattern() {
+        return PATTERN;
+    }
+
+    @Override
+    public String help() {
+        return "@ - Show recommendations and popular personal blogs";
+    }
+
+    @Override
+    public String execute(User sender, ProtocolListener protocolListener, String command) {
+        StringBuilder msg = new StringBuilder();
+        msg.append("Recommended blogs");
+        List<String> recommendedUsers = getShowQueriesService().getRecommendedUsers(sender);
+        if (recommendedUsers.size() > 0) {
+            for (String user : recommendedUsers) {
+                msg.append("\n@").append(user);
+            }
+        } else {
+            msg.append("\nNo recommendations now. Subscribe to more blogs. ;)");
+        }
+        msg.append("\n\nTop 10 personal blogs:");
+        List<String> topUsers = getShowQueriesService().getTopUsers();
+        if (topUsers.size() > 0) {
+            for (String user : topUsers) {
+                msg.append("\n@").append(user);
+            }
+        } else {
+            msg.append("\nNo top users. Empty DB? ;)");
+        }
+        return msg.toString();
+    }
+}