From b50bfb2f34a3ace3a70b1647f54ad6a0e761acf7 Mon Sep 17 00:00:00 2001
From: mathieui <mathieui@mathieui.net>
Date: Sat, 13 Jul 2019 19:32:37 +0200
Subject: [PATCH] Initial commit for reactions protoxep

---
 slixmpp/plugins/__init__.py                   |  1 +
 .../plugins/protoxep_reactions/__init__.py    | 11 ++++
 .../plugins/protoxep_reactions/reactions.py   | 54 +++++++++++++++++++
 slixmpp/plugins/protoxep_reactions/stanza.py  | 31 +++++++++++
 4 files changed, 97 insertions(+)
 create mode 100644 slixmpp/plugins/protoxep_reactions/__init__.py
 create mode 100644 slixmpp/plugins/protoxep_reactions/reactions.py
 create mode 100644 slixmpp/plugins/protoxep_reactions/stanza.py

diff --git a/slixmpp/plugins/__init__.py b/slixmpp/plugins/__init__.py
index d28cf281..f8ebe778 100644
--- a/slixmpp/plugins/__init__.py
+++ b/slixmpp/plugins/__init__.py
@@ -85,4 +85,5 @@ __all__ = [
     'xep_0323',  # IoT Systems Sensor Data
     'xep_0325',  # IoT Systems Control
     'xep_0332',  # HTTP Over XMPP Transport
+    'protoxep_reactions',  # https://dino.im/xeps/reactions.html
 ]
diff --git a/slixmpp/plugins/protoxep_reactions/__init__.py b/slixmpp/plugins/protoxep_reactions/__init__.py
new file mode 100644
index 00000000..e107bd16
--- /dev/null
+++ b/slixmpp/plugins/protoxep_reactions/__init__.py
@@ -0,0 +1,11 @@
+"""
+    Slixmpp: The Slick XMPP Library
+    Copyright (C) 2019 Mathieu Pasquet
+    This file is part of Slixmpp.
+
+    See the file LICENSE for copying permission.
+"""
+from slixmpp.plugins.base import register_plugin
+from slixmpp.plugins.protoxep_reactions.reactions import XEP_Reactions
+
+register_plugin(XEP_Reactions)
diff --git a/slixmpp/plugins/protoxep_reactions/reactions.py b/slixmpp/plugins/protoxep_reactions/reactions.py
new file mode 100644
index 00000000..e7af8fcb
--- /dev/null
+++ b/slixmpp/plugins/protoxep_reactions/reactions.py
@@ -0,0 +1,54 @@
+"""
+    Slixmpp: The Slick XMPP Library
+    Copyright (C) 2019 Mathieu Pasquet
+    This file is part of Slixmpp.
+
+    See the file LICENSE for copying permission.
+"""
+from typing import Iterable
+
+from slixmpp.plugins import BasePlugin
+from slixmpp.stanza import Message
+from slixmpp.xmlstream import register_stanza_plugin
+from slixmpp.xmlstream.matcher import MatchXMLMask
+from slixmpp.xmlstream.handler import Callback
+
+from slixmpp.plugins.protoxep_reactions import stanza
+
+
+class XEP_Reactions(BasePlugin):
+    name = 'protoxep_reactions'
+    description = 'XEP-XXXX: Message Reactions'
+    dependencies = {'xep_0030'}
+    stanza = stanza
+
+    def plugin_init(self):
+        self.xmpp.register_handler(
+            Callback(
+                'Reaction received',
+                MatchXMLMask('<message><reactions xmlns="urn:xmpp:reactions:0"/></message>'),
+                self._handle_reactions,
+            )
+        )
+        self.xmpp['xep_0030'].add_feature('urn:xmpp:reactions:0')
+        register_stanza_plugin(Message, stanza.Reactions)
+
+    def plugin_end(self):
+        self.xmpp.remove_handler('Reaction received')
+        self.xmpp['xep_0030'].remove_feature('urn:xmpp:reactions:0')
+
+    def _handle_reactions(self, message: Message):
+        self.xmpp.event('reactions', message)
+
+    @staticmethod
+    def set_reactions(message: Message, to_id: str, reactions: Iterable[str]):
+        """
+        Add reactions to a Message object.
+        """
+        reactions_stanza = stanza.Reactions()
+        reactions_stanza['to'] = to_id
+        for reaction in reactions:
+            reaction_stanza = stanza.Reaction()
+            reaction_stanza['value'] = reaction
+            reactions_stanza.append(reaction_stanza)
+        message.append(reactions_stanza)
diff --git a/slixmpp/plugins/protoxep_reactions/stanza.py b/slixmpp/plugins/protoxep_reactions/stanza.py
new file mode 100644
index 00000000..45414a37
--- /dev/null
+++ b/slixmpp/plugins/protoxep_reactions/stanza.py
@@ -0,0 +1,31 @@
+"""
+    Slixmpp: The Slick XMPP Library
+    Copyright (C) 2019 Mathieu Pasquet
+    This file is part of Slixmpp.
+
+    See the file LICENSE for copying permission.
+"""
+
+from slixmpp.xmlstream import ElementBase, register_stanza_plugin
+
+
+class Reactions(ElementBase):
+    name = 'reactions'
+    plugin_attrib = 'reactions'
+    namespace = 'urn:xmpp:reactions:0'
+    interfaces = {'to'}
+
+
+class Reaction(ElementBase):
+    name = 'reaction'
+    namespace = 'urn:xmpp:reactions:0'
+    interfaces = {'value'}
+
+    def get_value(self) -> str:
+        return self.xml.text
+
+    def set_value(self, value: str):
+        self.xml.text = value
+
+
+register_stanza_plugin(Reactions, Reaction, iterable=True)