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import Relation from "../Relation.js"; |
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import {ModelStaticInterface} from "../../../JeloquentInterfaces"; |
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import Collection from "../../Collection"; |
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import ForeignKey from "../Field/ForeignKey"; |
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/** |
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* |
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*/ |
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export default class HasMany extends Relation { |
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localKey: string; |
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constructor(model: ModelStaticInterface, foreignKey: string, localKey: string) { |
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super(model, foreignKey); |
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this.localKey = localKey ?? 'id'; |
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} |
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get count(): number { |
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const indexes = globalThis.Store.database().indexes(this.model.className); |
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return indexes.get(this.foreignKey).get(this.$parent.primaryKey)?.size ?? 0; |
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} |
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get originalValue(): unknown { |
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return this.getValueByParentKey('originalPrimaryKey'); |
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} |
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get value(): unknown { |
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return this.getValueByParentKey('primaryKey'); |
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} |
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getRelationalFields():Array<ForeignKey> { |
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return []; |
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} |
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setName(): HasMany { |
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const parentClassName = this.$parent.snakeCaseClassName; |
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const modelClassName = this.model.snakeCaseClassName; |
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this.foreignKey = `${parentClassName}_id`; |
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this.$name = `${modelClassName}s`; |
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return this; |
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} |
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protected getValueByParentKey(parentProperty): Collection { |
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const keyIndex = this.model.getIndexByKey(this.foreignKey); |
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return globalThis.Store.database().find(this.model.className, |
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[...keyIndex.get(this.$parent[parentProperty])?.values() ?? []] |
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); |
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} |
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protected setParentProperties(): HasMany { |
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super.setParentProperties(); |
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Object.defineProperty(this.$parent, |
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`${this.name}Count`, { |
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get: () => { |
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return this.count; |
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}, |
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} |
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); |
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Object.defineProperty(this.$parent, |
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`has${this.model.className}s`, { |
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get: () => { |
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return this.count > 0; |
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}, |
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} |
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); |
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return this; |
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} |
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} |
mbroersen /
jeloquent
