Inga/supabase search replacement (manifoldmarkets#1652)

* Jk, just rbac and moving around files for now

.vscode/settings.json

@@ -9,5 +9,8 @@
   },
   "editor.formatOnSave": true,
   "editor.formatOnPaste": true,
-  "editor.defaultFormatter": "esbenp.prettier-vscode"
+  "editor.defaultFormatter": "esbenp.prettier-vscode",
+  "[sql]": {
+    "editor.defaultFormatter": "mtxr.sqltools"
+  }
 }

backend/supabase/contracts/create-question-fts-col.sql

@@ -0,0 +1,6 @@
+alter table public.contracts
+add column question_fts tsvector generated always as (
+        to_tsvector('english', description || ' ' || title)
+    ) stored;
+create index if not exists question_fts on contracts using gin (question_fts);
+-- generate the index

backend/supabase/contracts/functions.sql

@@ -0,0 +1,16 @@
+create or replace function can_access_contract(contract_id text, member_id text) returns boolean stable parallel safe language sql as $$
+select EXISTS (
+        SELECT 1
+        FROM (
+                group_members
+                JOIN group_contracts ON (
+                    (
+                        group_members.group_id = group_contracts.group_id
+                    )
+                )
+            )
+        WHERE (
+                (group_contracts.contract_id = contract_id)
+                AND (group_members.member_id = member_id)
+            )
+    ) $$;

backend/supabase/contracts/indexes.sql

@@ -0,0 +1,8 @@
+create index if not exists contracts_data_gin on contracts using GIN (data);
+create index if not exists contracts_group_slugs_gin on contracts using GIN ((data->'groupSlugs'));
+create index if not exists contracts_slug on contracts (slug);
+create index if not exists contracts_creator_id on contracts (creator_id, created_time);
+create index if not exists contracts_created_time on contracts (created_time desc);
+create index if not exists contracts_close_time on contracts (close_time desc);
+create index if not exists contracts_unique_bettors on contracts (((data->'uniqueBettors7Days')::int) desc);
+create index if not exists contracts_popularity_score on contracts (((data->>'popularityScore')::real) desc);

backend/supabase/contracts/rls.sql

@@ -0,0 +1,11 @@
+-- ALTER TABLE public.contracts ENABLE ROW LEVEL SECURITY;
+
+drop policy if exists "enable read access all public/unlisted markets" on public.contracts;
+CREATE POLICY "Enable read access all public/unlisted markets" ON public.contracts FOR
+SELECT USING ((visibility <> 'private'::text));
+
+drop policy if exists "Enable read access for admins" ON public.contracts;
+CREATE POLICY "Enable read access for admins" ON public.contracts FOR SELECT TO service_role USING (true);
+
+drop policy if exists "Enable read access for private group markets if user is member" ON public.contracts;
+CREATE POLICY "Enable read access for private group markets if user is member" ON public.contracts FOR SELECT USING ((visibility = 'private'::text));