db: add actions schemas and queries

In this commit we define the schema for the `actions` table along with
various queries we will need for interacting with the table.

Author: ellemouton

db/migrations.go

@@ -22,7 +22,7 @@ const (
 	// daemon.
 	//
 	// NOTE: This MUST be updated when a new migration is added.
-	LatestMigrationVersion = 4
+	LatestMigrationVersion = 5
 )
 
 // MigrationTarget is a functional option that can be passed to applyMigrations

db/sqlc/actions.sql.go

@@ -0,0 +1,5 @@
+DROP INDEX IF NOT EXISTS actions_state_idx;
+DROP INDEX IF NOT EXISTS actions_session_id_idx;
+DROP INDEX IF NOT EXISTS actions_feature_name_idx;
+DROP INDEX IF NOT EXISTS actions_attempted_at_idx;
+DROP TABLE IF EXISTS actions;

db/sqlc/migrations/000005_actions.down.sql

@@ -0,0 +1,52 @@
+CREATE TABLE IF NOT EXISTS actions(
+    -- The ID of the action.
+    id INTEGER PRIMARY KEY,
+
+    -- The session ID of the session that this action is associated with.
+    -- This may be null for actions that are not coupled to a session.
+    session_id BIGINT REFERENCES sessions(id) ON DELETE CASCADE,
+
+    -- The account ID of the account that this action is associated with.
+    -- This may be null for actions that are not coupled to an account.
+    account_id BIGINT REFERENCES accounts(id) ON DELETE CASCADE,
+
+    -- An ID derived from the macaroon used to perform the action.
+    macaroon_identifier BLOB,
+
+    -- The name of the entity who performed the action.
+    actor_name TEXT,
+
+    -- The name of the feature that the action is being performed by.
+    feature_name TEXT,
+
+    -- Meta info detailing what caused this action to be executed.
+    trigger TEXT,
+
+    -- Meta info detailing what the intended outcome of this action will be.
+    intent TEXT,
+
+    -- Extra structured JSON data that an actor can send along with the
+    -- action as json.
+    structured_json_data TEXT,
+
+    -- The method URI that was called.
+    rpc_method TEXT NOT NULL,
+
+    -- The method parameters of the request in JSON form.
+    rpc_params_json BLOB,
+
+    -- The time at which this action was created.
+    created_at TIMESTAMP NOT NULL,
+
+    -- The current state of the action.
+    state SMALLINT NOT NULL,
+
+    -- Human-readable reason for why the action failed.
+    -- It will only be set if state is ActionStateError (3).
+    error_reason TEXT
+);
+
+CREATE INDEX IF NOT EXISTS actions_state_idx ON actions(state);
+CREATE INDEX IF NOT EXISTS actions_session_id_idx ON actions(session_id);
+CREATE INDEX IF NOT EXISTS actions_feature_name_idx ON actions(feature_name);
+CREATE INDEX IF NOT EXISTS actions_created_at_idx ON actions(created_at);