add a REST API to trigger the expire folder job

packages/db/migrations/0180.do.folder_policy.sql

@@ -1,25 +0,0 @@
--- Type: DO
--- Name: folder_policy
--- Description: Create a folder_policy table to contain the folder expiration policies for user and folder
-
-BEGIN;
-
-CREATE TYPE folder_action AS ENUM ('DELETE', 'ARCHIVE');
-
-CREATE TABLE omnivore.folder_policy (
-    id UUID PRIMARY KEY DEFAULT uuid_generate_v1mc(),
-    user_id UUID NOT NULL REFERENCES omnivore.user(id) ON DELETE CASCADE,
-    folder TEXT NOT NULL, -- folder name in lowercase
-    action folder_action NOT NULL, -- delete or archive
-    after_days INT NOT NULL, -- number of days after which the action should be taken
-    minimum_items INT NOT NULL DEFAULT 0, -- minimum number of items to keep in the folder
-    created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    UNIQUE (user_id, folder) -- only one policy per folder per user
-);
-
-CREATE TRIGGER update_folder_policy_modtime BEFORE UPDATE ON omnivore.folder_policy FOR EACH ROW EXECUTE PROCEDURE update_updated_at_column();
-
-GRANT SELECT, INSERT, UPDATE, DELETE ON omnivore.folder_policy TO omnivore_user;
-
-COMMIT;

packages/db/migrations/0181.do.folder_policy.sql

@@ -0,0 +1,68 @@
+-- Type: DO
+-- Name: folder_policy
+-- Description: Create a folder_policy table to contain the folder expiration policies for user and folder
+
+BEGIN;
+
+CREATE TYPE folder_action AS ENUM ('DELETE', 'ARCHIVE');
+
+CREATE TABLE omnivore.folder_policy (
+    id UUID PRIMARY KEY DEFAULT uuid_generate_v1mc(),
+    user_id UUID NOT NULL REFERENCES omnivore.user(id) ON DELETE CASCADE,
+    folder TEXT NOT NULL, -- folder name in lowercase
+    action folder_action NOT NULL, -- delete or archive
+    after_days INT NOT NULL, -- number of days after which the action should be taken
+    created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    UNIQUE (user_id, folder, action) -- only one policy per user and folder action
+);
+
+CREATE TRIGGER update_folder_policy_modtime BEFORE UPDATE ON omnivore.folder_policy FOR EACH ROW EXECUTE PROCEDURE update_updated_at_column();
+
+GRANT SELECT, INSERT, UPDATE, DELETE ON omnivore.folder_policy TO omnivore_user;
+
+CREATE PROCEDURE omnivore.expire_folders()
+LANGUAGE plpgsql
+AS $$
+DECLARE
+    folder_record RECORD;
+    folder_name TEXT;
+    folder_action folder_action;
+    folder_user_id UUID;
+    folder_after_days INT;
+    old_states library_item_state[];
+    new_state library_item_state;
+    column_name TEXT;
+    folder_policy_cursor CURSOR FOR SELECT id, user_id, folder, action, after_days FROM omnivore.folder_policy;
+BEGIN
+    FOR folder_record IN folder_policy_cursor LOOP
+        folder_user_id := folder_record.user_id;
+        folder_name := folder_record.folder;
+        folder_action := folder_record.action;
+        folder_after_days := folder_record.after_days;
+
+        IF folder_action = 'DELETE' THEN
+            old_states := ARRAY['SUCCEEDED', 'FAILED', 'ARCHIVED', 'PROCESSING', 'CONTENT_NOT_FETCHED'::library_item_state];
+            new_state := 'DELETED';
+            column_name := 'deleted_at';
+        ELSIF folder_action = 'ARCHIVE' THEN
+            old_states := ARRAY['SUCCEEDED', 'FAILED', 'PROCESSING', 'CONTENT_NOT_FETCHED'::library_item_state];
+            new_state := 'ARCHIVED';
+            column_name := 'archived_at';
+        END IF;
+
+        BEGIN
+            PERFORM omnivore.set_claims(folder_user_id, 'omnivore_user');
+            
+            EXECUTE format('UPDATE omnivore.library_item '
+                'SET state = $1, %I = CURRENT_TIMESTAMP '
+                'WHERE user_id = $2 AND state = ANY ($3) AND folder = $4 AND created_at < CURRENT_TIMESTAMP - INTERVAL ''$5 days''', column_name) 
+                USING new_state, folder_user_id, old_states, folder_name, folder_after_days;
+
+            COMMIT;
+        END;
+    END LOOP;
+END;
+$$;
+
+COMMIT;

packages/db/migrations/0181.undo.folder_policy.sql

@@ -8,4 +8,6 @@ DROP TABLE omnivore.folder_policy;
 
 DROP TYPE folder_action;
 
+DROP PROCEDURE omnivore.expire_folders();
+
 COMMIT;