gonewsctl stub, groups create/delete queries, http server for API.

database/migrations/2_create_groups_info_table.go

@@ -0,0 +1,45 @@
+package migrations
+
+import (
+	// stdlib
+	"database/sql"
+)
+
+// CreateGroupsTableUp creates table with groups information.
+func CreateGroupsTableUp(tx *sql.Tx) error {
+	if _, err := tx.Exec(`
+	CREATE TABLE groups (
+		uuid				UUID NOT NULL,
+		group_name			TEXT NOT NULL,
+		group_description	TEXT,
+		articles_count		INTEGER NOT NULL DEFAULT 0,
+		created_at			TIMESTAMP WITH TIME ZONE NOT NULL,
+		last_message_at		TIMESTAMP WITH TIME ZONE NOT NULL
+	);
+
+	COMMENT ON COLUMN groups.uuid IS 'Group UUID';
+	COMMENT ON COLUMN groups.group_name IS 'Group name';
+	COMMENT ON COLUMN groups.group_description IS 'Group description';
+	COMMENT ON COLUMN groups.articles_count IS 'Articles count in group';
+	COMMENT ON COLUMN groups.created_at IS 'Group creation timestamp';
+	COMMENT ON COLUMN groups.last_message_at IS 'When last message appeared in this group?';
+
+	CREATE INDEX groups_uuid_idx ON groups(uuid);
+	CREATE INDEX groups_name_idx ON groups(group_name);
+	CREATE INDEX groups_created_at_idx ON groups(created_at);
+
+	`); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+// CreateGroupsTableDown deletes table with groups information.
+func CreateGroupsTableDown(tx *sql.Tx) error {
+	if _, err := tx.Exec(`DROP TABLE groups;`); err != nil {
+		return err
+	}
+
+	return nil
+}

database/migrations/exported.go

@@ -19,6 +19,7 @@ func Initialize() {
 	_ = goose.SetDialect("postgres")
 
 	goose.AddNamedMigration("1_create_users_table.go", CreateUsersTableUp, CreateUsersTableDown)
+	goose.AddNamedMigration("2_create_groups_info_table.go", CreateGroupsTableUp, CreateGroupsTableDown)
 }
 
 // Migrate parses environment for necessary parameters and starts