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import {Model} from "./Model"; |
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import Collection from "./Collection"; |
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import Index from "./Table/Index"; |
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import {TableInterface, ModelInterface, ModelStaticInterface} from "../JeloquentInterfaces"; |
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/** |
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* |
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*/ |
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export default class Table implements TableInterface { |
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name: string; |
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private _index: Index; |
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private _model: ModelInterface; |
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private _models: Map<string, ModelInterface>; |
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private _primaryKeyFieldNames: Array<string>; |
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constructor (model: ModelStaticInterface) { |
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this.setup(model.getInstance()); |
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} |
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get ids():string[] { |
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return [...this._models.keys()]; |
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} |
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get indexes(): Map<string, Map<string|number, Set<string|number>>> { |
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return this._index.indexes; |
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} |
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get models(): Map<string|number, ModelInterface> { |
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return this._models; |
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} |
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static make(model: ModelStaticInterface): Table { |
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return new Table(model); |
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} |
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public addIndex(indexName:string, lookUpKey:string, id:string|number): void { |
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this._index.addValue(indexName, lookUpKey, `${id}`); |
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} |
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public all(): Collection { |
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const values = [...this._models.values()]; |
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const numberOfValues = values.length; |
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const collection = new Collection(); |
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for (let i = 0; i < numberOfValues; i += 10000) { |
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collection.push(...values.slice(i, i + 10000)); |
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} |
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return collection; |
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} |
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/** |
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* @deprecated |
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*/ |
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public allModels(): Map<string | number, ModelInterface> { |
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return this.models; |
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} |
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public delete(id:string|number): void { |
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if (!this._models.has(`${id}`)) { |
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throw new Error('Record doesn\'t exists'); |
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} |
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this._index.removeValueByModel(this.findOne(id)); |
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this._models.delete(`${id}`); |
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} |
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public find(id:number|string|object|Array<string|number|object>): Collection|ModelInterface|null { |
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const hasComposedPrimaryKey = this._primaryKeyFieldNames.length > 1; |
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if (Array.isArray(id)) { |
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if (hasComposedPrimaryKey) { |
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return this.findCollectionComposedPrimaryKey(id as Array<object>); |
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} |
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return this.findCollection(id as Array<string|number>); |
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} |
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if (hasComposedPrimaryKey) { |
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return this.findOneComposedPrimaryKey(id as object); |
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} |
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return this.findOne(id as (string|number)); |
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} |
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public getIndexByKey(key: string): Map<string|number, Set<string|number>> { |
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return this._index.getIndexByKey(key); |
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} |
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public insert(model: ModelInterface): void { |
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if (this._models.has(model.primaryKey)) { |
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throw new Error('Record already exists'); |
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} |
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if (!(model instanceof Model)) { |
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throw new Error('Record should be instance of model'); |
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} |
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model.resetDirty(); |
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if (model.primaryKey != null) { |
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this._models.set(model.primaryKey, model); |
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} |
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this._index.addValueByModel(model); |
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} |
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public registerIndex(indexName:string): void { |
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this._index.register(indexName); |
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} |
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public removeIndex(indexName:string, lookUpKey:string, id:string|number): void { |
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this._index.removeValue(indexName, lookUpKey, id) |
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} |
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public save(model: ModelInterface) { |
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if (!model.primaryKey.startsWith('_') && this.ids.includes(model._tmpId)) { |
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//todo remove indexes for foreignKey |
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// team_id this.team_id |
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Index.removeTmpIdFromIndex(model); |
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this.delete(model._tmpId); |
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} |
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if (this.ids.includes(model.primaryKey)) { |
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this.update(model); |
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return; |
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} |
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this.insert(model); |
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} |
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public setupIndexes(): void { |
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this._model.tableSetup(this); |
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} |
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public truncate(): void { |
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this._models.clear(); |
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this._index.truncate(); |
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} |
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public update(model: ModelInterface): void { |
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if (!this.models.has(model.primaryKey)) { |
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throw new Error('Record doesn\'t exists'); |
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} |
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if (!(model instanceof Model)) { |
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throw new Error('Record should be instance of model'); |
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} |
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this._index.removeValueByModel(model); |
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model.resetDirty(); |
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this._index.addValueByModel(model); |
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this._models.set(model.primaryKey, model); |
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} |
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private findCollection(id:Array<string|number>): Collection { |
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const result = []; |
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for (let i = 0; i < id.length; i++) { |
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result.push( |
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this._models.get(`${id[i]}`) |
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); |
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} |
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return new Collection(...result); |
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} |
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private findCollectionComposedPrimaryKey(id: Array<object>): Collection { |
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const result = []; |
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for (let i = 0; i < id.length; i++) { |
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result.push( |
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this._models.get( |
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this.toComposedKey(id[i]) |
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) |
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); |
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} |
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return new Collection(...result); |
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} |
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private findOne(id: string|number): ModelInterface|null { |
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return this._models.get(`${id}`) ?? null; |
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} |
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private findOneComposedPrimaryKey(id: object|string): ModelInterface|null { |
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return this._models.get(this.toComposedKey(id)) ?? null; |
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} |
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private setup(model: ModelInterface) { |
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this.name = model.className; |
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this._primaryKeyFieldNames = model.primaryKeyName; |
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this._model = model; |
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this._models = new Map(); |
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this._index = new Index(); |
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} |
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private toComposedKey(id:string|object): string|null { |
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if (typeof id === 'string') { |
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return id; |
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} |
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if (id === null) { |
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return null; |
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} |
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const key = []; |
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for (let i = 0; i < this._primaryKeyFieldNames.length; i++) { |
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key.push(id[this._primaryKeyFieldNames[i]] ?? ''); |
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} |
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return key.join('-'); |
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} |
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} |