35 lines
1.2 KiB
TypeScript
35 lines
1.2 KiB
TypeScript
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import { dataSource } from "../data-source";
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import { DynamicQueryStructure } from "../type/dynamicQueries";
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export default abstract class DynamicQueryBuilder {
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public static buildQuery(query: DynamicQueryStructure) {}
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// use switch... for compare functions
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// use NotBrackets/Brackets for nested conditions
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// use joins by requesting table schema and setting correct column
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public static getTableMeta(tableName: string) {
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let { name, columns, relations } = dataSource.getMetadata(tableName);
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const uniqueColumns = columns.map((c) => ({ column: c.propertyName, type: c.type }));
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return {
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tableName: name,
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columns: [
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...uniqueColumns,
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...relations
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.filter((r) => !uniqueColumns.some((c) => r.propertyName == c.column))
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.map((r) => ({
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column: r.propertyName,
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type: r.inverseEntityMetadata?.columns.find((col) => col.propertyName === r.inverseSidePropertyPath)?.type,
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})),
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],
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relations: relations.map((r) => ({
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column: r.propertyName,
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relationType: r.relationType,
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referencedTableName: r.inverseEntityMetadata?.tableName,
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})),
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};
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}
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}
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