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54 lines
1.9 KiB
54 lines
1.9 KiB
import {WhereBuilder} from '../builder/type/WhereBuilder.ts'
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import {logger} from '../../../lib/src/service/logging/global.ts'
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import {EscapedValue} from '../builder/types.ts'
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export enum FilterOp {
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eq = '$eq',
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in = '$in',
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lt = '$lt',
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lte = '$lte',
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gt = '$gt',
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gte = '$gte',
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}
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export type QueryFilter = { [key: string]: any }
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export function apply_filter_to_where(filter: QueryFilter, where: WhereBuilder): WhereBuilder {
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for ( const field in filter ) {
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if ( !filter.hasOwnProperty(field) ) continue
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const filter_val = filter[field]
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if ( Array.isArray(filter_val) ) {
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where = where.whereIn(field, filter_val)
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} else if ( typeof filter_val === 'object' ) {
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for ( const op in filter_val ) {
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if ( !filter_val.hasOwnProperty(op) ) continue
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switch (op) {
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case FilterOp.eq:
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where = where.where(field, '=', filter_val[op])
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break
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case FilterOp.in:
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where = where.whereIn(field, filter_val[op])
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break
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case FilterOp.lt:
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where = where.where(field, '<', filter_val[op])
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break
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case FilterOp.lte:
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where = where.where(field, '<=', filter_val[op])
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break
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case FilterOp.gt:
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where = where.where(field, '>', filter_val[op])
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break
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case FilterOp.gte:
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where = where.where(field, '>=', filter_val[op])
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break
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default:
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logger.warn(`Invalid filter operator attempted: ${op}`)
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}
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}
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} else {
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where = where.where(field, '=', filter_val)
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}
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}
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return where
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} |