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import { Snowflake } from 'discord.js';
import { DataTypes, Sequelize } from 'sequelize';
import { BaseModel } from './BaseModel';
export interface LevelModel {
user: Snowflake;
guild: Snowflake;
xp: number;
}
export interface LevelModelCreationAttributes {
user: Snowflake;
guild: Snowflake;
xp?: number;
}
// declaration merging so that the fields don't override Sequelize's getters
export interface Level {
/** The user's id. */
user: Snowflake;
/** The guild where the user is gaining xp. */
guild: Snowflake;
/**The user's xp.*/
xp: number;
}
export class Level extends BaseModel<LevelModel, LevelModelCreationAttributes> implements LevelModel {
/** The user's level. */
public get level(): number {
return Level.convertXpToLevel(this.xp);
}
public static initModel(sequelize: Sequelize): void {
Level.init(
{
user: { type: DataTypes.STRING, allowNull: false },
guild: { type: DataTypes.STRING, allowNull: false },
xp: { type: DataTypes.INTEGER, allowNull: false, defaultValue: 0 }
},
{ sequelize }
);
}
public static convertXpToLevel(xp: number): number {
let i = 1;
let lvl: number;
// eslint-disable-next-line no-constant-condition
while (true) {
const neededXp = Level.convertLevelToXp(i);
if (neededXp > xp) {
lvl = i;
break;
} else {
i++;
}
}
return lvl - 1; // I have to do this don't question it ok
}
public static convertLevelToXp(level: number): number {
let xp = 0;
for (let i = 0; i < level; i++) {
xp += 100 * i + 75;
}
return xp;
}
public static genRandomizedXp(): number {
return Math.floor(Math.random() * (40 - 15 + 1)) + 15;
}
}
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