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import Relation from "../Relation"; |
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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 HasManyThrough extends Relation { |
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localKey: string; |
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throughModel: ModelStaticInterface; |
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private _lcModelClassName: string; |
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private _lcParentClassName: string; |
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private _lcThroughModelClassName: string; |
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constructor(model: ModelStaticInterface, throughModel: ModelStaticInterface, foreignKey: string = null, localKey: string = null) { |
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super(model, foreignKey); |
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this.model = model; |
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this.throughModel = throughModel; |
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this.localKey = localKey ?? 'id'; |
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} |
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get indexName(): string { |
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return `${this._lcThroughModelClassName}.${this._lcParentClassName}_id`; |
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} |
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get originalValue(): Collection { |
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return this.getValueByParentKey('originalPrimaryKey'); |
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} |
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get value(): Collection { |
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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() { |
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this._lcThroughModelClassName = this.throughModel.snakeCaseClassName; |
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this._lcModelClassName = this.model.snakeCaseClassName; |
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this._lcParentClassName = this.$parent.snakeCaseClassName; |
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this.foreignKey = `${this._lcThroughModelClassName}_id`; |
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this.$name = `${this._lcModelClassName}s`; |
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return this; |
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} |
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tableSetup() { |
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this.model.registerIndex(this.indexName); |
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} |
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private getValueByParentKey(parentProperty: string): Collection { |
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const keyIndex = this.model.getIndexByKey(this.indexName); |
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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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} |
mbroersen /
jeloquent
