1 files changed, 155 insertions, 6 deletions

diff --git a/inc/poche/Database.class.php b/inc/poche/Database.class.php
index 5c40b026..d8b63859 100644
--- a/inc/poche/Database.class.php
+++ b/inc/poche/Database.class.php
@@ -39,12 +39,79 @@ class Database {
     public function isInstalled() {
         $sql = "SELECT username FROM users";
         $query = $this->executeQuery($sql, array());
+        if ($query == false) {
+            die(STORAGE . ' database looks empty. You have to create it (you can find database structure in install folder).');
+        }
         $hasAdmin = count($query->fetchAll());
 
         if ($hasAdmin == 0) 
-            return FALSE;
+            return false;
 
-        return TRUE;
+        return true;
+    }
+
+    public function checkTags() {
+
+        if (STORAGE == 'sqlite') {
+            $sql = '
+                CREATE TABLE IF NOT EXISTS tags (
+                    id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL UNIQUE,
+                    value TEXT
+                )';
+        }
+        elseif(STORAGE == 'mysql') {
+            $sql = '
+                CREATE TABLE IF NOT EXISTS `tags` (
+                  `id` int(11) NOT NULL AUTO_INCREMENT,
+                  `value` varchar(255) NOT NULL,
+                  PRIMARY KEY (`id`)
+                ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
+            ';
+        }
+        else {
+            $sql = '
+                CREATE TABLE tags (
+                  id bigserial primary key,
+                  value varchar(255) NOT NULL
+                );
+            ';
+        }
+
+        $query = $this->executeQuery($sql, array());
+
+        if (STORAGE == 'sqlite') {
+            $sql = '
+                CREATE TABLE tags_entries (
+                    id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL UNIQUE,
+                    entry_id INTEGER,
+                    tag_id INTEGER,
+                    FOREIGN KEY(entry_id) REFERENCES entries(id) ON DELETE CASCADE,
+                    FOREIGN KEY(tag_id) REFERENCES tags(id) ON DELETE CASCADE
+                )';
+        }
+        elseif(STORAGE == 'mysql') {
+            $sql = '
+                CREATE TABLE IF NOT EXISTS `tags_entries` (
+                  `id` int(11) NOT NULL AUTO_INCREMENT,
+                  `entry_id` int(11) NOT NULL,
+                  `tag_id` int(11) NOT NULL,
+                  FOREIGN KEY(entry_id) REFERENCES entries(id) ON DELETE CASCADE,
+                  FOREIGN KEY(tag_id) REFERENCES tags(id) ON DELETE CASCADE,
+                  PRIMARY KEY (`id`)
+                ) ENGINE=InnoDB  DEFAULT CHARSET=utf8;
+            ';
+        }
+        else {
+            $sql = '
+                CREATE TABLE tags_entries (
+                  id bigserial primary key,
+                  entry_id integer NOT NULL,
+                  tag_id integer NOT NULL
+                )
+            ';
+        }
+
+        $query = $this->executeQuery($sql, array());
     }
 
     public function install($login, $password) {
@@ -74,7 +141,7 @@ class Database {
         return TRUE;
     }
 
-    private function getConfigUser($id) {
+    public function getConfigUser($id) {
         $sql = "SELECT * FROM users_config WHERE user_id = ?";
         $query = $this->executeQuery($sql, array($id));
         $result = $query->fetchAll();
@@ -87,6 +154,17 @@ class Database {
         return $user_config;
     }
 
+    public function userExists($username) {
+        $sql = "SELECT * FROM users WHERE username=?";
+        $query = $this->executeQuery($sql, array($username));
+        $login = $query->fetchAll();
+        if (isset($login[0])) {
+            return true;
+        } else {
+            return false;
+        }
+    }
+
     public function login($username, $password) {
         $sql = "SELECT * FROM users WHERE username=? AND password=?";
         $query = $this->executeQuery($sql, array($username, $password));
@@ -116,10 +194,10 @@ class Database {
         $config = $this->getConfigUser($userId);
         
         if (!isset ($user_config[$key])) {
-            $sql = "INSERT INTO users_config (`value`, `user_id`, `name`) VALUES (?, ?, ?)";
+            $sql = "INSERT INTO users_config (value, user_id, name) VALUES (?, ?, ?)";
         }
         else {
-            $sql = "UPDATE users_config SET `value`=? WHERE `user_id`=? AND `name`=?";
+            $sql = "UPDATE users_config SET value=? WHERE user_id=? AND name=?";
         }
 
         $params = array($value, $userId, $key);
@@ -155,7 +233,7 @@ class Database {
         $query  = $this->executeQuery($sql, $params);
         $entry  = $query->fetchAll();
 
-        return $entry[0];
+        return isset($entry[0]) ? $entry[0] : null;
     }
 
     public function getEntriesByView($view, $user_id, $limit = '') {
@@ -238,4 +316,75 @@ class Database {
     public function getLastId($column = '') {
         return $this->getHandle()->lastInsertId($column);
     }
+
+    public function retrieveAllTags() {
+        $sql = "SELECT * FROM tags";
+        $query = $this->executeQuery($sql, array());
+        $tags = $query->fetchAll();
+
+        return $tags;
+    }
+
+    public function retrieveTag($id) {
+        $tag  = NULL;
+        $sql    = "SELECT * FROM tags WHERE id=?";
+        $params = array(intval($id));
+        $query  = $this->executeQuery($sql, $params);
+        $tag  = $query->fetchAll();
+
+        return isset($tag[0]) ? $tag[0] : null;
+    }
+
+    public function retrieveEntriesByTag($tag_id) {
+        $sql = 
+            "SELECT entries.* FROM entries
+            LEFT JOIN tags_entries ON tags_entries.entry_id=entries.id
+            WHERE tags_entries.tag_id = ?";
+        $query = $this->executeQuery($sql, array($tag_id));
+        $entries = $query->fetchAll();
+
+        return $entries;
+    }
+
+    public function retrieveTagsByEntry($entry_id) {
+        $sql = 
+            "SELECT tags.* FROM tags
+            LEFT JOIN tags_entries ON tags_entries.tag_id=tags.id
+            WHERE tags_entries.entry_id = ?";
+        $query = $this->executeQuery($sql, array($entry_id));
+        $tags = $query->fetchAll();
+
+        return $tags;
+    }
+
+    public function removeTagForEntry($entry_id, $tag_id) {
+        $sql_action     = "DELETE FROM tags_entries WHERE tag_id=? AND entry_id=?";
+        $params_action  = array($tag_id, $entry_id);
+        $query          = $this->executeQuery($sql_action, $params_action);
+        return $query;
+    }
+
+    public function retrieveTagByValue($value) {
+        $tag  = NULL;
+        $sql    = "SELECT * FROM tags WHERE value=?";
+        $params = array($value);
+        $query  = $this->executeQuery($sql, $params);
+        $tag  = $query->fetchAll();
+
+        return isset($tag[0]) ? $tag[0] : null;
+    }
+
+    public function createTag($value) {
+        $sql_action = 'INSERT INTO tags ( value ) VALUES (?)';
+        $params_action = array($value);
+        $query = $this->executeQuery($sql_action, $params_action);
+        return $query;
+    }
+
+    public function setTagToEntry($tag_id, $entry_id) {
+        $sql_action = 'INSERT INTO tags_entries ( tag_id, entry_id ) VALUES (?, ?)';
+        $params_action = array($tag_id, $entry_id);
+        $query = $this->executeQuery($sql_action, $params_action);
+        return $query;
+    }
 }