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import Relation from "../Relation"; |
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import ForeignKey from "../Field/ForeignKey"; |
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import HasManyThrough from "../Relation/HasManyThrough"; |
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import Field from "../Field"; |
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export function addRelationFieldsToList(fields) { |
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const fieldList = [...fields]; |
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fields.forEach((field, i) => { |
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if (field instanceof Relation) { |
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fieldList.splice(i, 0, ...field.getRelationalFields()); |
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} |
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}); |
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return fieldList; |
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} |
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export function setFields(model, fields: Field[]) { |
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fields.forEach((field) => { |
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model._originalFields.set(field.name, field); |
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field.setup(modelProxy(model)); |
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}); |
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model.numberOfFields = model.originalFields.length; |
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} |
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export function setupTable(model, table) { |
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model.originalFields.forEach((field) => { |
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if (field instanceof ForeignKey) { |
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field.tableSetup(table); |
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} |
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if (field instanceof HasManyThrough) { |
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field.tableSetup(); |
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} |
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}); |
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} |
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export function modelProxy(model) { |
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return new Proxy(model, { |
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construct(target, argArray, newTarget): object { |
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return Reflect.construct(target, argArray, newTarget); |
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}, |
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get(target: any, p: string | symbol, receiver: any): any { |
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if (Reflect.has(target, p)) { |
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return Reflect.get(target, p); |
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} |
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if (target._originalFields.has(p)) { |
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return target._originalFields.get(p).value; |
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} |
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if (typeof p !== 'string') { |
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return null; |
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} |
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if (p.startsWith('original_') && !Reflect.has(target, p.replace('original_', '')) && target._originalFields.has(p.replace('original_', ''))) { |
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return target._originalFields.get(p.replace('original_', '')).originalValue; |
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} |
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return null; |
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}, |
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set(target: any, p: string | symbol, value: any, receiver: any): boolean { |
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if (Reflect.has(target, p)) { |
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return Reflect.set(target, p, value); |
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} |
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if (target._originalFields.has(p)) { |
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target._originalFields.get(p).value = value; |
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return true; |
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} |
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if (p.startsWith('_') && target._originalFields.has(p.replace('_', ''))) { |
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const myField = target._originalFields.get(p.replace('_', '')); |
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myField._value = value; |
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return true; |
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} |
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return true; |
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} |
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}); |
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} |
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