1 files changed, 341 insertions, 0 deletions
diff --git a/app/class/mesg.class.php b/app/class/mesg.class.php
new file mode 100644
index 0000000..2e5c9d6
--- /dev/null
+++ b/app/class/mesg.class.php
@@ -0,0 +1,341 @@
+<?php
+
+/*
+ * SCROTT IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * For more information, please refer to UNLICENSE
+ */
+
+require_once "class/obj.class.php";
+require_once "class/user.class.php";
+require_once "class/pad.class.php";
+require_once "class/stage.class.php";
+require_once "class/issue.class.php";
+
+/*
+ * This class models issue activity, private messaging, pad discussions,
+ * and system and object log messages.
+ */
+class mesg extends obj
+{
+    /*
+     * Constants used for uploading attachments
+     */
+    public const ATTACH_MAXSIZE = 536870912; // 512Mb
+
+    /*
+     * Constructor
+     */
+    public function __construct(?string $guid = NULL)
+    {
+        $this->fields['mesgs'] = array(
+            "guid",
+            "author",
+            "mesg",
+            "attachment",
+        );
+
+        parent::__construct($guid);
+
+        try
+        {
+            $this->expectType("log");
+        }
+        catch (Exception $e)
+        {
+            $this->expectType("mesg");
+        }
+    }
+
+    /*
+     * Initialize a new regular message.
+     */
+    public static function initNew(string $message, user $author, obj $parent) : mesg
+    {
+        $mesg = new mesg();
+        $mesg->setOwner($author);
+        $mesg->setParent($parent);
+        $mesg->name = "message " . $mesg->guid;
+        $mesg->objtype = "mesg";
+        $mesg->setAuthor($author);
+        $mesg->mesg = $message;
+        $mesg->saveObj();
+        return $mesg;
+    }
+
+    /*
+     * Initialize a new pad discussion thread.
+     */
+    public static function initNewDiscussion(string $name, string $message, user $author,
+        pad $parent) : mesg
+    {
+        $mesg = new mesg();
+        $mesg->setOwner($author);
+        $mesg->setParent($parent);
+        $mesg->name = $name;
+        $mesg->objtype = "mesg";
+        $mesg->setAuthor($author);
+        $mesg->mesg = $message;
+        $mesg->saveObj();
+        return $mesg;
+    }
+
+    /*
+     * Initialize a new private message (user-to-user).
+     */
+    public static function initNewPM(string $name, string $message, user $author,
+        user $rcpt) : mesg
+    {
+        $mesg = new mesg();
+        $mesg->setOwner($rcpt);
+        $mesg->setParent($rcpt);
+        $mesg->name = $name;
+        $mesg->objtype = "mesg";
+        $mesg->setAuthor($author);
+        $mesg->mesg = $message;
+        $mesg->saveObj();
+        return $mesg;
+    }
+
+    /*
+     * Initialize a new log message.
+     */
+    public static function initNewLog(string $message, user $author, obj $parent) : mesg
+    {
+        $owner = $parent->getOwner();
+
+        if (!$owner)
+            $owner = $parent;
+
+        $mesg = new mesg();
+        $mesg->setOwner($owner);
+        $mesg->setParent($parent);
+        $mesg->name = "log " . $mesg->guid;
+        $mesg->objtype = "log";
+        $mesg->setAuthor($author);
+        $mesg->mesg = $message;
+        $mesg->saveObj();
+        return $mesg;
+    }
+
+    /*
+     * Initialize a new admin log message.
+     */
+    public static function initNewAdminLog(string $message, user $author) : mesg
+    {
+        $mesg = new mesg();
+        $mesg->saveObj(); // need to get a guid
+        $mesg->name = "admin log " . $mesg->guid;
+        $mesg->objtype = "log";
+        $mesg->setAuthor($author);
+        $mesg->mesg = $message;
+        $mesg->saveObj();
+        return $mesg;
+    }
+
+    /*
+     * Get an array of messages in the admin log, between two timestamps.
+     * With no arguments, the entire log is returned.  Results are sorted
+     * in reverse chronological order.
+     */
+    public static function getAdminLog_ordByDatetime(?string $after = NULL,
+        ?string $before = NULL) : array
+    {
+        $query = "SELECT guid FROM objects WHERE objtype = 'log' AND " .
+            "parent = '' ";
+
+        if ($after)
+            $query += "AND created >= '" . database::esc($after) . "' ";
+
+        if ($before)
+            $query += "AND created < '" . database::esc($before) . "' ";
+
+        $query += "ORDER BY created DESC";
+        $res = database::query($query);
+
+        $log = array();
+
+        foreach ($res as $l)
+            $log[] = new mesg($l['guid']);
+
+        return $log;
+    }
+
+    /*
+     * Get the author of this message.  This user either actually wrote
+     * this message, or caused it to be generated.
+     */
+    public function getAuthor() : user
+    {
+        if (!isset($this->author) || $this->author == "")
+            return NULL;
+
+        return new user($this->author);
+    }
+
+    /*
+     * Set the author of this message.  This should usually only be done
+     * while constructing a new message or to clear out references to
+     * a user that got removed.
+     */
+    public function setAuthor(user $author) : void
+    {
+        $this->author = $author->guid;
+        $this->saveObj();
+    }
+
+    /*
+     * Check whether this message has been seen by the given user
+     */
+    public function seenBy(user $viewer) : bool
+    {
+        $query = "SELECT * FROM views WHERE guid = '" . database::esc($this->guid) . "' " .
+            "AND viewer = '" . database::esc($viewer->guid) . "'";
+        $res = database::query($query);
+
+        return count($res) > 0;
+    }
+
+    /*
+     * Mark this message as seen by the given user
+     */
+    public function markSeen(user $viewer) : void
+    {
+        if (!$this->seenBy($viewer))
+        {
+            $query = "INSERT INTO views (guid, viewer) VALUES ('" .
+                database::esc($this->guid) . "', '" . database::esc($viewer->guid) . "')";
+            database::query($query);
+        }
+    }
+
+    /*
+     * Format message (if auto generated), and insert HTML linebreaks (<br />)
+     * at message newlines.
+     */
+    public function renderMesg() : string
+    {
+        if ($this->objtype == "log")
+            $mesg = sprintf($this->mesg, $this->getAuthor()->getDisplayName());
+        else
+            $mesg = $this->mesg;
+
+        return nl2br($mesg);
+    }
+
+    /*
+     * Get the URL to this message's attachment.  If no file is attached,
+     * NULL is returned.
+     */
+    public function getAttachment() : ?string
+    {
+        if (!is_file("dynmic/attach/" . $this->guid))
+            return NULL;
+
+        return ar() . "/df.php?d=attach&f=" . $this->guid;
+    }
+
+    /*
+     * Set the attached file for this message.  Should typically be done
+     * during new message creation and not changed afterward.  Returns
+     * false if there is a problem saving the attachment.
+     */
+    public function setAttachment(string $file) : bool
+    {
+        $path = "dynmic/attach/" . $this->guid;
+        $origName = "";
+
+        $ret = saveIfFile($file, $path, self::ATTACH_MAXSIZE, NULL, $origName);
+        $this->attachment = $origName;
+        $this->saveObj();
+
+        return $ret;
+    }
+
+    /*
+     * Promote a pad discussion thread to an issue.  This message object
+     * must be the top-level message (op) of the discussion thread (ie:
+     * its parent must be a pad).  All reply messages to this one are
+     * retained and will be messages left on the new issue.  A new issue
+     * object is created and this message object will be destroyed.  If
+     * this is not an eligible message for promotion, NULL is returned.
+     */
+    public function makeIssue(stage $parent) : ?issue
+    {
+        if ($this->getParent()->objtype != "pad")
+            return NULL;
+
+        $issue = issue::initNew($this->name, $this->getOwner(), $parent);
+        $issue->created = $this->created;
+        $issue->description = $this->mesg;
+        $issue->saveObj();
+
+        foreach ($this->getMesgs_ordByDatetime() as $mesg)
+            $mesg->setParent($issue);
+
+        $this->delObj();
+        return $issue;
+    }
+
+    /*
+     * Email this message to parents, owners, members.  In the case that
+     * this is an issue message or a reply message, the assignee or original
+     * author is also included.  Attachments are included in mailing.  Any
+     * duplicates in the rcpt list are removed before sending.  Success
+     * or failure is returned.
+     */
+    public function emailMesg() : bool
+    {
+        $parent = $this->getParent();
+
+        if (!$parent)
+            return true;
+
+        $rcpt = $parent->getMembers();
+        $rcpt[] = $parent->getOwner();
+
+        switch ($parent->objtype)
+        {
+            case "user":
+                $rcpt[] = $parent;
+                $subj = $this->author . " " . $this->getAuthor()->getDisplayName() . " // " . $this->name;
+                break;
+
+            case "issue":
+                $rcpt[] = $parent->getAssignee();
+                $pad = $parent->getPad();
+                $subj = $parent->guid . " " . $pad->name . " [#" . $parent->numb . "] " . $parent->name;
+                break;
+
+            case "mesg":
+            case "log":
+                $rcpt[] = $parent->getAuthor();
+                $pad = $parent->getParent();
+                $subj = $parent->guid . " " . $pad->name . " // " . $parent->name;
+                break;
+        }
+
+        $rcpt = obj::arrayUnique($rcpt);
+        $author = $this->author;
+        $rcpt = array_filter($rcpt, function ($val) use($author) { return $val->guid != $author; });
+        $attachPath = ($this->getAttachment() ? "dynmic/attach/" . $this->guid : NULL);
+        $mesg = $this->getAuthor()->getDisplayName() . " wrote on " . $this->created . "\n\n";
+        $mesg .= $this->renderMesg();
+
+        foreach ($rcpt as $r)
+        {
+            if (!$r->sendEmail($subj, $mesg, $attachPath, $this->attachment))
+                return false;
+        }
+
+        return true;
+    }
+}
+
+?>