sync with tomboy works

1 files changed, 383 insertions, 0 deletions

diff --git a/lib/notestorage.php b/lib/notestorage.php
new file mode 100644
index 0000000..121f5cb
--- /dev/null
+++ b/lib/notestorage.php
@@ -0,0 +1,383 @@
+<?php
+/**
+ * Part of grauphel
+ *
+ * PHP version 5
+ *
+ * @category  Tools
+ * @package   Grauphel
+ * @author    Christian Weiske <cweiske@cweiske.de>
+ * @copyright 2014 Christian Weiske
+ * @license   http://www.gnu.org/licenses/agpl.html GNU AGPL v3
+ * @link      http://cweiske.de/grauphel.htm
+ */
+namespace OCA\Grauphel\Lib;
+
+/**
+ * Flat file storage for notes
+ *
+ * @category  Tools
+ * @package   Grauphel
+ * @author    Christian Weiske <cweiske@cweiske.de>
+ * @copyright 2014 Christian Weiske
+ * @license   http://www.gnu.org/licenses/agpl.html GNU AGPL v3
+ * @version   Release: @package_version@
+ * @link      http://cweiske.de/grauphel.htm
+ */
+class NoteStorage
+{
+    protected $urlGen;
+
+    public function __construct($urlGen)
+    {
+        $this->urlGen = $urlGen;
+    }
+    /**
+     * Create a new sync data object for fresh users.
+     * Used by loadSyncData()
+     *
+     * @param string $username User name
+     *
+     * @return SyncData New synchronization statistics
+     */
+    protected function getNewSyncData($username)
+    {
+        $syncdata = new SyncData();
+        $syncdata->initNew($username);
+        return $syncdata;
+    }
+
+    /**
+     * Updates the given $note object with data from $noteUpdate.
+     * Sets the last-sync-revision to $syncRevision
+     *
+     * @param object  $note         Original note object
+     * @param object  $noteUpdate   Update note object from a PUT to the API
+     * @param integer $syncRevision Current sync revision number
+     *
+     * @return void
+     */
+    public function update($note, $noteUpdate, $syncRevision)
+    {
+        static $updateFields = array(
+            'create-date',
+            'last-change-date',
+            'last-metadata-change-date',
+            'note-content',
+            'note-content-version',
+            'open-on-startup',
+            'pinned',
+            'tags',
+            'title',
+        );
+
+        $changed = array();
+        foreach ($updateFields as $field) {
+            $changed[$field] = false;
+            if (isset($noteUpdate->$field)) {
+                if ($note->$field != $noteUpdate->$field) {
+                    $note->$field = $noteUpdate->$field;
+                    $changed[$field] = true;
+                }
+            }
+        }
+
+        if (!isset($noteUpdate->{'last-change-date'})
+            && ($changed['title'] || $changed['note-content'])
+        ) {
+            //no idea how to get the microseconds in there
+            $note->{'last-change-date'} = date('c');
+        }
+
+        if (!isset($noteUpdate->{'last-metadata-change-date'})) {
+            //no idea how to get the microseconds in there
+            $note->{'last-metadata-change-date'} = date('c');
+        }
+
+        if (isset($noteUpdate->{'node-content'})
+            && $note->{'note-content-version'} == 0
+        ) {
+            $note->{'note-content-version'} = 0.3;
+        }
+
+        $note->{'last-sync-revision'} = $syncRevision;
+    }
+
+    /**
+     * Loads synchronization data for the given user.
+     * Creates fresh sync data if there are none for the user.
+     *
+     * @param string $username User name
+     *
+     * @return SyncData Synchronization statistics (revision, sync guid)
+     */
+    public function loadSyncData($username)
+    {
+        $row = \OC_DB::executeAudited(
+            'SELECT * FROM `*PREFIX*grauphel_syncdata`'
+            . ' WHERE `syncdata_user` = ?',
+            array($username)
+        )->fetchRow();
+
+        if ($row === false) {
+            $syncdata = $this->getNewSyncData($username);
+            $this->saveSyncData($username, $syncdata);
+        } else {
+            $syncdata = new SyncData();
+            $syncdata->latestSyncRevision = (int) $row['syncdata_latest_sync_revision'];
+            $syncdata->currentSyncGuid    = $row['syncdata_current_sync_guid'];
+        }
+
+        return $syncdata;
+    }
+
+    /**
+     * Save synchronization data for the given user.
+     *
+     * @param string   $username User name
+     * @param SyncData $syncdata Synchronization data object
+     *
+     * @return void
+     */
+    public function saveSyncData($username, SyncData $syncdata)
+    {
+        $row = \OC_DB::executeAudited(
+            'SELECT * FROM `*PREFIX*grauphel_syncdata`'
+            . ' WHERE `syncdata_user` = ?',
+            array($username)
+        )->fetchRow();
+
+        if ($row === false) {
+            //INSERT
+            $sql = 'INSERT INTO `*PREFIX*grauphel_syncdata`'
+                . '(`syncdata_user`, `syncdata_latest_sync_revision`, `syncdata_current_sync_guid`)'
+                . ' VALUES(?, ?, ?)';
+            $params = array(
+                $username,
+                $syncdata->latestSyncRevision,
+                $syncdata->currentSyncGuid
+            );
+        } else {
+            //UPDATE
+            $data = array(
+                'syncdata_latest_sync_revision' => $syncdata->latestSyncRevision,
+                'syncdata_current_sync_guid'    => $syncdata->currentSyncGuid,
+            );
+            $sql = 'UPDATE `*PREFIX*grauphel_syncdata` SET'
+                . ' `' . implode('` = ?, `', array_keys($data)) . '` = ?'
+                . ' WHERE `syncdata_user` = ?';
+            $params = array_values($data);
+            $params[] = $username;
+        }
+        \OC_DB::executeAudited($sql, $params);
+    }
+
+    /**
+     * Load a note from the storage.
+     *
+     * @param string  $username  User name
+     * @param string  $guid      Note identifier
+     * @param boolean $createNew Create a new note if it does not exist
+     *
+     * @return object Note object, NULL if !$createNew and note does not exist
+     */
+    public function load($username, $guid, $createNew = true)
+    {
+        $row = \OC_DB::executeAudited(
+            'SELECT * FROM `*PREFIX*grauphel_notes`'
+            . ' WHERE `note_user` = ? AND `note_guid` = ?',
+            array($username, $guid)
+        )->fetchRow();
+
+        if ($row === false) {
+            if (!$createNew) {
+                return null;
+            }
+            return (object) array(
+                'guid' => $guid,
+
+                'create-date'               => null,
+                'last-change-date'          => null,
+                'last-metadata-change-date' => null,
+
+                'title'                => null,
+                'note-content'         => null,
+                'note-content-version' => 0.3,
+
+                'open-on-startup' => false,
+                'pinned'          => false,
+                'tags'            => array(),
+            );
+        }
+        
+        return $this->noteFromRow($row);
+    }
+
+    /**
+     * Save a note into storage.
+     *
+     * @param string $username User name
+     * @param object $note     Note to save
+     *
+     * @return void
+     */
+    public function save($username, $note)
+    {
+        $row = \OC_DB::executeAudited(
+            'SELECT * FROM `*PREFIX*grauphel_notes`'
+            . ' WHERE `note_user` = ? AND `note_guid` = ?',
+            array($username, $note->guid)
+        )->fetchRow();
+
+        $data = $this->rowFromNote($note);
+        if ($row === false) {
+            //INSERT
+            $data['note_user'] = $username;
+            $sql = 'INSERT INTO `*PREFIX*grauphel_notes`'
+                . ' (`' . implode('`, `', array_keys($data)) . '`)'
+                . ' VALUES(' . implode(', ', array_fill(0, count($data), '?')) . ')';
+            $params = array_values($data);
+        } else {
+            //UPDATE
+            $sql = 'UPDATE `*PREFIX*grauphel_notes` SET '
+                . '`' . implode('` = ?, `', array_keys($data)) . '` = ?'
+                . ' WHERE `note_user` = ? AND `note_guid` = ?';
+            $params = array_values($data);
+            $params[] = $username;
+            $params[] = $note->guid;
+        }
+        \OC_DB::executeAudited($sql, $params);
+    }
+
+    /**
+     * Delete a note from storage.
+     *
+     * @param string $username User name
+     * @param object $guid     ID of the note
+     *
+     * @return void
+     */
+    public function delete($username, $guid)
+    {
+        \OC_DB::executeAudited(
+            'DELETE FROM `*PREFIX*grauphel_notes`'
+            . ' WHERE `note_user` = ? AND `note_guid` = ?',
+			array($username, $guid)
+		);
+    }
+
+    /**
+     * Load notes for the given user in short form.
+     * Optionally only those changed after $since revision
+     *
+     * @param string  $username User name
+     * @param integer $since    Revision number after which the notes changed
+     *
+     * @return array Array of short note objects
+     */
+    public function loadNotesOverview($username, $since = null)
+    {
+		$result = \OC_DB::executeAudited(
+            'SELECT `note_guid`, `note_title`, `note_last_sync_revision`'
+            . ' FROM `*PREFIX*grauphel_notes`'
+            . ' WHERE note_user = ?',
+			array($username)
+		);
+
+		$notes = array();
+		while ($row = $result->fetchRow()) {
+            if ($since !== null && $row['note_last_sync_revision'] <= $since) {
+                continue;
+            }
+            $notes[] = array(
+                'guid' => $row['note_guid'],
+                'ref'  => array(
+                    'api-ref' => $this->urlGen->getAbsoluteURL(
+                        $this->urlGen->linkToRoute(
+                            'grauphel.api.note',
+                            array(
+                                'username' => $username,
+                                'guid' => $row['note_guid']
+                            )
+                        )
+                    ),
+                    'href' => null,//FIXME
+                ),
+                'title' => $row['note_title'],
+            );
+		}
+
+        return $notes;
+    }
+
+    /**
+     * Load notes for the given user in full form.
+     * Optionally only those changed after $since revision
+     *
+     * @param string  $username User name
+     * @param integer $since    Revision number after which the notes changed
+     *
+     * @return array Array of full note objects
+     */
+    public function loadNotesFull($username, $since = null)
+    {
+		$result = \OC_DB::executeAudited(
+            'SELECT * FROM `*PREFIX*grauphel_notes`'
+            . ' WHERE note_user = ?',
+			array($username)
+		);
+
+		$notes = array();
+		while ($row = $result->fetchRow()) {
+            if ($since !== null && $row['note_last_sync_revision'] <= $since) {
+                continue;
+            }
+            $notes[] = $this->noteFromRow($row);
+		}
+
+        return $notes;
+    }
+
+    protected function noteFromRow($row)
+    {
+        return (object) array(
+            'guid'  => $row['note_guid'],
+
+            'create-date'               => $row['note_create_date'],
+            'last-change-date'          => $row['note_last_change_date'],
+            'last-metadata-change-date' => $row['note_last_metadata_change_date'],
+
+            'title'                => $row['note_title'],
+            'note-content'         => $row['note_content'],
+            'note-content-version' => $row['note_content_version'],
+
+            'open-on-startup' => $row['note_open_on_startup'],
+            'pinned'          => $row['note_pinned'],
+            'tags'            => json_decode($row['note_tags']),
+
+            'last-sync-revision' => $row['note_last_sync_revision'],
+        );
+    }
+
+    protected function rowFromNote($note)
+    {
+        return array(
+            'note_guid'  => $note->guid,
+            'note_title' => $note->title,
+
+            'note_content'         => $note->{'note-content'},
+            'note_content_version' => $note->{'note-content-version'},
+
+            'note_create_date'               => $note->{'create-date'},
+            'note_last_change_date'          => $note->{'last-change-date'},
+            'note_last_metadata_change_date' => $note->{'last-metadata-change-date'},
+            
+            'note_open_on_startup' => $note->{'open-on-startup'},
+            'note_pinned'          => $note->pinned,
+            'note_tags'            => json_encode($note->tags),
+
+            'note_last_sync_revision' => $note->{'last-sync-revision'},
+        );
+    }
+}
+?>
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