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p61-project/domain/entities/Goal.ts

146 lines
3.3 KiB
TypeScript

export const GOAL_FREQUENCIES = ["daily", "weekly", "monthly"] as const
export type GoalFrequency = (typeof GOAL_FREQUENCIES)[number]
export const GOAL_TYPES = ["numeric", "boolean"] as const
export type GoalType = (typeof GOAL_TYPES)[number]
interface GoalBase {
frequency: GoalFrequency
}
export interface GoalBaseJSON extends GoalBase {
type: GoalType
}
export abstract class Goal implements GoalBase {
public frequency: GoalBase["frequency"]
public abstract readonly type: GoalType
public constructor(options: GoalBase) {
const { frequency } = options
this.frequency = frequency
}
public static isNumeric(goal: Goal): goal is GoalNumeric {
return goal.type === "numeric"
}
public isNumeric(): this is GoalNumeric {
return Goal.isNumeric(this)
}
public static isBoolean(goal: Goal): goal is GoalBoolean {
return goal.type === "boolean"
}
public isBoolean(): this is GoalBoolean {
return Goal.isBoolean(this)
}
public abstract toJSON(): GoalBaseJSON
}
export interface GoalProgressBase {
goal: Goal
}
export abstract class GoalProgress implements GoalProgressBase {
public abstract readonly goal: Goal
public abstract isCompleted(): boolean
public abstract toJSON(): GoalProgressBase
}
interface GoalNumericOptions extends GoalBase {
target: {
value: number
unit: string
}
}
export class GoalNumeric extends Goal {
public readonly type = "numeric"
public target: {
value: number
unit: string
}
public constructor(options: GoalNumericOptions) {
super(options)
const { target } = options
this.target = target
}
public override toJSON(): GoalNumericOptions & GoalBaseJSON {
return {
frequency: this.frequency,
target: this.target,
type: this.type,
}
}
}
interface GoalNumericProgressOptions extends GoalProgressBase {
goal: GoalNumeric
progress: number
}
export class GoalNumericProgress extends GoalProgress {
public readonly goal: GoalNumeric
public readonly progress: number
public constructor(options: GoalNumericProgressOptions) {
const { goal, progress } = options
super()
this.goal = goal
this.progress = progress
}
public override isCompleted(): boolean {
return this.progress >= this.goal.target.value
}
public progressRatio(): number {
return this.goal.target.value <= 0
? 0
: this.progress / this.goal.target.value
}
public override toJSON(): GoalNumericProgressOptions {
return {
goal: this.goal,
progress: this.progress,
}
}
}
export class GoalBoolean extends Goal {
public readonly type = "boolean"
public override toJSON(): GoalBaseJSON {
return {
frequency: this.frequency,
type: this.type,
}
}
}
interface GoalBooleanProgressOptions extends GoalProgressBase {
goal: GoalBoolean
progress: boolean
}
export class GoalBooleanProgress extends GoalProgress {
public readonly goal: GoalBoolean
public progress: boolean
public constructor(options: GoalBooleanProgressOptions) {
const { goal, progress } = options
super()
this.goal = goal
this.progress = progress
}
public override isCompleted(): boolean {
return this.progress
}
public override toJSON(): GoalBooleanProgressOptions {
return {
goal: this.goal,
progress: this.progress,
}
}
}