40 lines
1.3 KiB
TypeScript
40 lines
1.3 KiB
TypeScript
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import { Sequelize } from 'sequelize'
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function isOutdated (model: { createdAt: Date, updatedAt: Date }, refreshInterval: number) {
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if (!model.createdAt || !model.updatedAt) {
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throw new Error('Miss createdAt & updatedAt attributes to model')
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}
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const now = Date.now()
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const createdAtTime = model.createdAt.getTime()
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const updatedAtTime = model.updatedAt.getTime()
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return (now - createdAtTime) > refreshInterval && (now - updatedAtTime) > refreshInterval
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}
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function throwIfNotValid (value: any, validator: (value: any) => boolean, fieldName = 'value', nullable = false) {
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if (nullable && (value === null || value === undefined)) return
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if (validator(value) === false) {
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throw new Error(`"${value}" is not a valid ${fieldName}.`)
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}
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}
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function buildTrigramSearchIndex (indexName: string, attribute: string) {
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return {
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name: indexName,
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// FIXME: gin_trgm_ops is not taken into account in Sequelize 6, so adding it ourselves in the literal function
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fields: [ Sequelize.literal('lower(immutable_unaccent(' + attribute + ')) gin_trgm_ops') as any ],
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using: 'gin',
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operator: 'gin_trgm_ops'
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}
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}
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// ---------------------------------------------------------------------------
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export {
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throwIfNotValid,
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buildTrigramSearchIndex,
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isOutdated
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}
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