feat: add features for tracking open content library activity per #490

backend/migrations/00021_add_open_content_activity_tables.sql

@@ -0,0 +1,36 @@
+-- +goose Up
+-- +goose StatementBegin
+CREATE TABLE open_content_urls (
+        id SERIAL NOT NULL, 
+        content_url CHARACTER VARYING(255) NOT NULL, 
+        PRIMARY KEY (id)
+);
+
+CREATE TABLE open_content_activities (
+        id SERIAL NOT NULL, 
+        request_ts TIMESTAMP(0) WITHOUT TIME ZONE DEFAULT CURRENT_TIMESTAMP, 
+        open_content_provider_id INTEGER NOT NULL, 
+        facility_id INTEGER NOT NULL,
+        user_id INTEGER NOT NULL, 
+        content_id INTEGER NOT NULL, 
+        open_content_url_id INTEGER NOT NULL, 
+        PRIMARY KEY (id), 
+
+        CONSTRAINT open_content_activities_open_content_provider_id_fkey FOREIGN KEY (open_content_provider_id) REFERENCES "open_content_providers" ("id") ON DELETE CASCADE ON UPDATE CASCADE, 
+        CONSTRAINT open_content_activities_facility_id_fkey FOREIGN KEY (facility_id) REFERENCES "facilities" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
+        CONSTRAINT open_content_activities_user_id_fkey FOREIGN KEY (user_id) REFERENCES "users" ("id") ON DELETE CASCADE ON UPDATE CASCADE, 
+        CONSTRAINT open_content_activities_open_content_url_id_fkey FOREIGN KEY (open_content_url_id) REFERENCES "open_content_urls" ("id") ON DELETE CASCADE ON UPDATE CASCADE, 
+        CONSTRAINT unique_user_facility_library_url_timestamp UNIQUE (user_id, facility_id, content_id, open_content_url_id, request_ts)
+);
+
+CREATE INDEX idx_open_content_activities_user_id ON public.open_content_activities USING btree (user_id);
+CREATE INDEX idx_open_content_activities_open_content_url_id ON public.open_content_activities USING btree (open_content_url_id);
+CREATE INDEX idx_open_content_activities_user_id_content_id_facility_id ON public.open_content_activities USING btree (user_id, content_id, facility_id);
+CREATE INDEX idx_open_content_activities_content_id_open_content_provider_id_facility_id ON public.open_content_activities USING btree (content_id, open_content_provider_id, facility_id);
+-- +goose StatementEnd
+
+-- +goose Down
+-- +goose StatementBegin
+DROP TABLE open_content_activities;
+DROP TABLE open_content_urls;
+-- +goose StatementEnd