From beff63bbac035cece8dc98d40e1b65b77a1ac18e Mon Sep 17 00:00:00 2001
From: Andrew Godwin <andrew@aeracode.org>
Date: Wed, 21 Dec 2022 16:21:40 +0000
Subject: [PATCH] Add familiar followers endpoint

---
 api/schemas.py        |  5 +++++
 api/views/accounts.py | 27 +++++++++++++++++++++++++++
 2 files changed, 32 insertions(+)

diff --git a/api/schemas.py b/api/schemas.py
index 59f9a12..727bf4f 100644
--- a/api/schemas.py
+++ b/api/schemas.py
@@ -165,3 +165,8 @@ class Relationship(Schema):
 class Context(Schema):
     ancestors: list[Status]
     descendants: list[Status]
+
+
+class FamiliarFollowers(Schema):
+    id: str
+    accounts: list[Account]
diff --git a/api/views/accounts.py b/api/views/accounts.py
index 47d91c6..c9fe42d 100644
--- a/api/views/accounts.py
+++ b/api/views/accounts.py
@@ -100,3 +100,30 @@ def account_unfollow(request, id: str):
     service = IdentityService(identity)
     service.unfollow_from(request.identity)
     return service.mastodon_json_relationship(request.identity)
+
+
+@api_router.get(
+    "/v1/accounts/familiar_followers", response=list[schemas.FamiliarFollowers]
+)
+@identity_required
+def familiar_followers(request):
+    """
+    Returns people you follow that also follow given account IDs
+    """
+    ids = request.GET.getlist("id[]")
+    result = []
+    for id in ids:
+        target_identity = get_object_or_404(Identity, pk=id)
+        result.append(
+            {
+                "id": id,
+                "accounts": [
+                    identity.to_mastodon_json()
+                    for identity in Identity.objects.filter(
+                        inbound_follows__source=request.identity,
+                        outbound_follows__target=target_identity,
+                    )[:20]
+                ],
+            }
+        )
+    return result