Move graphql_to_group -> Group._from_graphql

fbchat/_group.py

@@ -2,6 +2,7 @@
 from __future__ import unicode_literals
 
 import attr
+from . import _plan
 from ._thread import ThreadType, Thread
 
 
@@ -60,6 +61,49 @@ class Group(Thread):
         self.approval_requests = approval_requests
         self.join_link = join_link
 
+    @classmethod
+    def _from_graphql(cls, data):
+        if data.get("image") is None:
+            data["image"] = {}
+        c_info = cls._parse_customization_info(data)
+        last_message_timestamp = None
+        if "last_message" in data:
+            last_message_timestamp = data["last_message"]["nodes"][0][
+                "timestamp_precise"
+            ]
+        plan = None
+        if data.get("event_reminders") and data["event_reminders"].get("nodes"):
+            plan = _plan.Plan._from_graphql(data["event_reminders"]["nodes"][0])
+
+        return cls(
+            data["thread_key"]["thread_fbid"],
+            participants=set(
+                [
+                    node["messaging_actor"]["id"]
+                    for node in data["all_participants"]["nodes"]
+                ]
+            ),
+            nicknames=c_info.get("nicknames"),
+            color=c_info.get("color"),
+            emoji=c_info.get("emoji"),
+            admins=set([node.get("id") for node in data.get("thread_admins")]),
+            approval_mode=bool(data.get("approval_mode"))
+            if data.get("approval_mode") is not None
+            else None,
+            approval_requests=set(
+                node["requester"]["id"]
+                for node in data["group_approval_queue"]["nodes"]
+            )
+            if data.get("group_approval_queue")
+            else None,
+            join_link=data["joinable_mode"].get("link"),
+            photo=data["image"].get("uri"),
+            name=data.get("name"),
+            message_count=data.get("messages_count"),
+            last_message_timestamp=last_message_timestamp,
+            plan=plan,
+        )
+
 
 @attr.s(cmp=False, init=False)
 class Room(Group):