Tasks query API, yay!

sql/migrations/patches/20191007000600-task-schedule-type/down.sql

@@ -0,0 +1 @@
+DROP TYPE task_schedule;

sql/migrations/patches/20191007000600-task-schedule-type/up.sql

@@ -0,0 +1 @@
+CREATE TYPE task_schedule AS ENUM('once', 'daily', 'weekly', 'monthly', 'yearly');

sql/migrations/patches/20191007000601-tasks/down.sql

@@ -0,0 +1 @@
+DROP TABLE tasks;

sql/migrations/patches/20191007000601-tasks/up.sql

@@ -0,0 +1,14 @@
+CREATE TABLE tasks (
+    id integer GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
+    owner integer NOT NULL REFERENCES users(id),
+    name text NOT NULL,
+    notes text,
+    schedule task_schedule NOT NULL DEFAULT 'daily',
+    min_frequency integer,
+    max_frequency integer,
+    created_at timestamptz NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    updated_at timestamptz NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    CHECK(min_frequency IS NULL OR max_frequency IS NULL OR max_frequency > min_frequency)
+);
+
+CREATE TRIGGER set_tasks_updated BEFORE UPDATE ON tasks FOR EACH ROW EXECUTE PROCEDURE set_updated_timestamp();

sql/tasks/list.sql

@@ -0,0 +1,14 @@
+SELECT 
+    id,
+    name,
+    notes,
+    schedule,
+    min_frequency,
+    max_frequency,
+    created_at
+FROM
+    tasks
+WHERE
+    owner = $1
+ORDER BY created_at ASC
+LIMIT $2 OFFSET $3;