From bf5f2142d73a5745124d03f6b6f06c59873e47de Mon Sep 17 00:00:00 2001
From: Vitaly Takmazov
Date: Wed, 27 Dec 2017 16:23:28 +0300
Subject: Messenger bot

---
 .../com/juick/service/CrosspostServiceImpl.java    | 10 +--
 .../com/juick/service/MessengerServiceImpl.java    | 77 ++++++++++++++++++++++
 2 files changed, 82 insertions(+), 5 deletions(-)
 create mode 100644 juick-server-jdbc/src/main/java/com/juick/service/MessengerServiceImpl.java

(limited to 'juick-server-jdbc')

diff --git a/juick-server-jdbc/src/main/java/com/juick/service/CrosspostServiceImpl.java b/juick-server-jdbc/src/main/java/com/juick/service/CrosspostServiceImpl.java
index dec8db5b..fb9ef167 100644
--- a/juick-server-jdbc/src/main/java/com/juick/service/CrosspostServiceImpl.java
+++ b/juick-server-jdbc/src/main/java/com/juick/service/CrosspostServiceImpl.java
@@ -63,13 +63,13 @@ public class CrosspostServiceImpl extends BaseJdbcService implements CrosspostSe
 
     @Transactional(readOnly = true)
     @Override
-    public Optional<String> getFacebookToken(final int uid) {
-        List<String> list = getJdbcTemplate().queryForList(
-                "SELECT access_token FROM facebook WHERE user_id = ? AND access_token IS NOT NULL AND crosspost = 1",
-                String.class,
+    public Optional<Pair<String, String>> getFacebookTokens(final int uid) {
+        List<Optional<Pair<String, String>>> list = getJdbcTemplate().query(
+                "SELECT fb_id, access_token FROM facebook WHERE user_id = ? AND access_token IS NOT NULL AND crosspost = 1",
+                (rs, num) -> Optional.of(Pair.of(rs.getString(1), rs.getString(2))),
                 uid);
         return list.isEmpty() ?
-                Optional.empty() : Optional.of(list.get(0));
+                Optional.empty() : list.get(0);
     }
 
     @Transactional(readOnly = true)
diff --git a/juick-server-jdbc/src/main/java/com/juick/service/MessengerServiceImpl.java b/juick-server-jdbc/src/main/java/com/juick/service/MessengerServiceImpl.java
new file mode 100644
index 00000000..fe7165b3
--- /dev/null
+++ b/juick-server-jdbc/src/main/java/com/juick/service/MessengerServiceImpl.java
@@ -0,0 +1,77 @@
+package com.juick.service;
+
+import com.juick.User;
+import org.springframework.dao.EmptyResultDataAccessException;
+import org.springframework.jdbc.core.JdbcTemplate;
+import org.springframework.stereotype.Repository;
+import org.springframework.transaction.annotation.Transactional;
+
+import javax.inject.Inject;
+import java.util.List;
+import java.util.Optional;
+import java.util.UUID;
+
+@Repository
+public class MessengerServiceImpl extends BaseJdbcService implements MessengerService {
+    @Inject
+    protected MessengerServiceImpl(JdbcTemplate jdbcTemplate) {
+        super(jdbcTemplate, null);
+    }
+
+    @Transactional(readOnly = true)
+    @Override
+    public Integer getUserId(String senderId) {
+        List<Integer> list = getJdbcTemplate().queryForList(
+                "SELECT id FROM users INNER JOIN messenger " +
+                        "ON messenger.user_id = users.id WHERE messenger.sender_id=?", Integer.class, senderId);
+
+        return list.isEmpty() ? 0 : list.get(0);
+    }
+    @Transactional(readOnly = true)
+    @Override
+    public Optional<String> getSenderId(User user) {
+        List<String> list = getJdbcTemplate().queryForList(
+                "SELECT sender_id FROM messenger " +
+                        "WHERE user_id=?", String.class, user.getUid());
+
+        return list.isEmpty() ? Optional.empty() : Optional.of(list.get(0));
+    }
+
+    @Transactional
+    @Override
+    public boolean createMessengerUser(String senderId, String displayName) {
+        return getJdbcTemplate().update(
+                "INSERT INTO messenger(sender_id, display_name, loginhash) VALUES(?,?,?)",
+                senderId, displayName, UUID.randomUUID().toString()) > 0;
+    }
+    @Transactional(readOnly = true)
+    @Override
+    public String getDisplayName(String hash) {
+        try {
+            return getJdbcTemplate().queryForObject("SELECT display_name FROM messenger WHERE loginhash=?", String.class, hash);
+        } catch (EmptyResultDataAccessException e) {
+            return null;
+        }
+    }
+    @Transactional
+    @Override
+    public String getSignUpHash(final String senderId, final String username) {
+        List<String> list = getJdbcTemplate().queryForList(
+                "SELECT loginhash FROM messenger WHERE sender_id = ? AND user_id IS NULL",
+                String.class,
+                senderId);
+
+        if (list.isEmpty()) {
+            String hash = UUID.randomUUID().toString();
+            getJdbcTemplate().update(
+                    "INSERT INTO messenger(sender_id, loginhash, display_name) VALUES (?, ?, ?)", senderId, hash, username);
+            return hash;
+        }
+        return list.get(0);
+    }
+    @Transactional
+    @Override
+    public boolean linkMessengerUser(String hash, int uid) {
+        return getJdbcTemplate().update("UPDATE messenger SET user_id=?, loginhash=NULL WHERE loginhash=?", uid, hash) > 0;
+    }
+}
-- 
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