Facilitate multiple Safe notifications across devices

migrations/00005_notifications/index.sql

@@ -1,13 +1,40 @@
-DROP TABLE IF EXISTS notification_types,
-    notification_subscriptions,
-    notification_subscription_notification_types,
-    notification_channels,
-    notification_channel_configurations CASCADE;
+DROP TABLE IF EXISTS notification_devices, notification_channels, notification_types, notification_subscriptions, notification_subscription_notification_types CASCADE;
+
+---------------------------------------------------
+-- Notification devices: 'ANDROID', 'IOS', 'WEB' --
+---------------------------------------------------
+CREATE TABLE notification_devices (
+    id SERIAL PRIMARY KEY,
+    account_id INT NOT NULL,
+    device_type VARCHAR(255) CHECK (device_type IN ('ANDROID', 'IOS', 'WEB')) NOT NULL,
+    device_uuid UUID NOT NULL UNIQUE,
+    cloud_messaging_token VARCHAR(255) NOT NULL,
+    created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW(),
+    updated_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW(),
+    FOREIGN KEY (account_id) REFERENCES accounts(id) ON DELETE CASCADE
+);
+
+-- Update updated_at when device is updated to track validity of token
+CREATE OR REPLACE TRIGGER update_notification_devices_updated_at
+    BEFORE UPDATE ON notification_devices
+    FOR EACH ROW
+EXECUTE FUNCTION update_updated_at_column();
+
+CREATE TABLE notification_channels (
+    id SERIAL PRIMARY KEY,
+    name VARCHAR(255) NOT NULL UNIQUE
+);
+
+----------------------------------------------------
+-- Notification channels, e.g. PUSH_NOTIFICATIONS --
+----------------------------------------------------
+INSERT INTO notification_channels (name) VALUES
+    ('PUSH_NOTIFICATIONS');
 
 --------------------------------------------
 -- Notification types, e.g. INCOMING_TOKEN --
 --------------------------------------------
-CREATE TABLE notification_types(
+CREATE TABLE notification_types (
     id SERIAL PRIMARY KEY,
     name VARCHAR(255) NOT NULL UNIQUE
 );
@@ -21,18 +48,22 @@ INSERT INTO notification_types (name) VALUES
     ('MESSAGE_CONFIRMATION_REQUEST'), -- MESSAGE_CREATED
     ('MODULE_TRANSACTION');
 
-----------------------------------------------------------------------
--- Chain-specific Safe notification preferences for a given account --
-----------------------------------------------------------------------
-CREATE TABLE notification_subscriptions(
+-----------------------------------------------------------
+-- Safe subscriptions for a given account-device-channel --
+-----------------------------------------------------------
+CREATE TABLE notification_subscriptions (
     id SERIAL PRIMARY KEY,
     account_id INT NOT NULL,
+    device_id INT NOT NULL,
     chain_id VARCHAR(255) NOT NULL,
     safe_address VARCHAR(42) NOT NULL,
+    notification_channel_id INT NOT NULL,
     created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW(),
     updated_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW(),
     FOREIGN KEY (account_id) REFERENCES accounts(id) ON DELETE CASCADE,
-    UNIQUE(account_id, chain_id, safe_address)
+    FOREIGN KEY (device_id) REFERENCES notification_devices(id) ON DELETE CASCADE,
+    FOREIGN KEY (notification_channel_id) REFERENCES notification_channels(id) ON DELETE CASCADE,
+    UNIQUE(account_id, chain_id, safe_address, device_id, notification_channel_id)
 );
 
 -- Update updated_at when a notification subscription is updated
@@ -42,46 +73,11 @@ CREATE OR REPLACE TRIGGER update_notification_subscriptions_updated_at
 EXECUTE FUNCTION update_updated_at_column();
 
 -- Join table for subscriptions/notification types
-CREATE TABLE notification_subscription_notification_types(
-    id SERIAL PRIMARY KEY,
-    subscription_id INT NOT NULL,
-    notification_type_id INT NOT NULL,
-    FOREIGN KEY (subscription_id) REFERENCES notification_subscriptions(id) ON DELETE CASCADE,
-    FOREIGN KEY (notification_type_id) REFERENCES notification_types(id) ON DELETE CASCADE,
-    UNIQUE (subscription_id, notification_type_id)
-);
-
----------------------------------------------------
--- Notification channels, e.g. PUSH_NOTIFICATIONS --
----------------------------------------------------
-CREATE TABLE notification_channels(
-    id SERIAL PRIMARY KEY,
-    name VARCHAR(255) NOT NULL UNIQUE
-);
-
--- Add PUSH_NOTIFICATIONS as a notification channel
-INSERT INTO notification_channels (name) VALUES
-    ('PUSH_NOTIFICATIONS');
-
-----------------------------------------------------------------
--- Configuration for a given notification subscription/channel --
-----------------------------------------------------------------
-CREATE TABLE notification_channel_configurations(
+CREATE TABLE notification_subscription_notification_types (
     id SERIAL PRIMARY KEY,
     notification_subscription_id INT NOT NULL,
-    notification_channel_id INT NOT NULL,
-    cloud_messaging_token VARCHAR(255) NOT NULL,
-    device_type VARCHAR(255) CHECK (device_type IN ('ANDROID', 'IOS', 'WEB')) NOT NULL,
-    device_uuid UUID NOT NULL,
-    created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW(),
-    updated_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW(),
+    notification_type_id INT NOT NULL,
     FOREIGN KEY (notification_subscription_id) REFERENCES notification_subscriptions(id) ON DELETE CASCADE,
-    FOREIGN KEY (notification_channel_id) REFERENCES notification_channels(id) ON DELETE CASCADE,
-    UNIQUE (notification_subscription_id, notification_channel_id, device_uuid)
-);
-
--- Update updated_at when a notification channel is updated
-CREATE OR REPLACE TRIGGER update_notification_channel_configurations_updated_at
-    BEFORE UPDATE ON notification_channel_configurations
-    FOR EACH ROW
-EXECUTE FUNCTION update_updated_at_column();
+    FOREIGN KEY (notification_type_id) REFERENCES notification_types(id) ON DELETE CASCADE,
+    UNIQUE(notification_subscription_id, notification_type_id)
+);