1 files changed, 97 insertions, 0 deletions
diff --git a/synapse/push/baserules.py b/synapse/push/baserules.py
new file mode 100644
index 0000000000..162d265f66
--- /dev/null
+++ b/synapse/push/baserules.py
@@ -0,0 +1,97 @@
+from synapse.push.rulekinds import PRIORITY_CLASS_MAP, PRIORITY_CLASS_INVERSE_MAP
+
+
+def list_with_base_rules(rawrules, user_name):
+    ruleslist = []
+
+    # shove the server default rules for each kind onto the end of each
+    current_prio_class = PRIORITY_CLASS_INVERSE_MAP.keys()[-1]
+    for r in rawrules:
+        if r['priority_class'] < current_prio_class:
+            while r['priority_class'] < current_prio_class:
+                ruleslist.extend(make_base_rules(
+                    user_name,
+                    PRIORITY_CLASS_INVERSE_MAP[current_prio_class]
+                ))
+                current_prio_class -= 1
+
+        ruleslist.append(r)
+
+    while current_prio_class > 0:
+        ruleslist.extend(make_base_rules(
+            user_name,
+            PRIORITY_CLASS_INVERSE_MAP[current_prio_class]
+        ))
+        current_prio_class -= 1
+
+    return ruleslist
+
+
+def make_base_rules(user, kind):
+    rules = []
+
+    if kind == 'override':
+        rules = make_base_override_rules()
+    elif kind == 'content':
+        rules = make_base_content_rules(user)
+
+    for r in rules:
+        r['priority_class'] = PRIORITY_CLASS_MAP[kind]
+        r['default'] = True
+
+    return rules
+
+
+def make_base_content_rules(user):
+    return [
+        {
+            'conditions': [
+                {
+                    'kind': 'event_match',
+                    'key': 'content.body',
+                    'pattern': user.localpart,  # Matrix ID match
+                }
+            ],
+            'actions': [
+                'notify',
+                {
+                    'set_tweak': 'sound',
+                    'value': 'default',
+                }
+            ]
+        },
+    ]
+
+
+def make_base_override_rules():
+    return [
+        {
+            'conditions': [
+                {
+                    'kind': 'contains_display_name'
+                }
+            ],
+            'actions': [
+                'notify',
+                {
+                    'set_tweak': 'sound',
+                    'value': 'default'
+                }
+            ]
+        },
+        {
+            'conditions': [
+                {
+                    'kind': 'room_member_count',
+                    'is': '2'
+                }
+            ],
+            'actions': [
+                'notify',
+                {
+                    'set_tweak': 'sound',
+                    'value': 'default'
+                }
+            ]
+        }
+    ]