Database things, pinned messages, start on ticket claiming

src/database/index.js

@@ -39,6 +39,7 @@ module.exports = async (client) => {
 			storage: path('./user/database.sqlite'),
 			logging: text => client.log.debug(text)
 		});
+		client.log.warn('SQLite is not sufficient for a production environment if you want to use ticket archives. You should disable "log_messages" in your servers\' settings or use a different database.');
 	} else {
 		client.log.info(`Connecting to ${types[type].name} database...`);
 		sequelize = new Sequelize(DB_NAME, DB_USER, DB_PASS, {

src/database/models/category.model.js

@@ -7,6 +7,10 @@ module.exports = ({ config }, sequelize) => {
 			primaryKey: true,
 			allowNull: false,
 		},
+		claiming: {
+			type: DataTypes.BOOLEAN,
+			defaultValue: false,
+		},
 		guild: {
 			type: DataTypes.CHAR(19),
 			allowNull: false,

src/database/models/ticket.model.js

@@ -15,6 +15,10 @@ module.exports = (client, sequelize) => {
 				key: 'id'
 			},
 		},
+		claimed_by: {
+			type: DataTypes.CHAR(19),
+			allowNull: true,
+		},
 		closed_by: {
 			type: DataTypes.CHAR(19),
 			allowNull: true,
@@ -53,6 +57,10 @@ module.exports = (client, sequelize) => {
 			type: DataTypes.CHAR(19),
 			allowNull: true,
 		},
+		pinned_messages: {
+			type: DataTypes.JSON,
+			defaultValue: []
+		},
 		topic: {
 			type: DataTypes.TEXT,
 			allowNull: true,