44 lines
1.2 KiB
JavaScript
44 lines
1.2 KiB
JavaScript
const fs = require('fs')
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const path = require('path')
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let dienstenCache = null
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function getDienstenDir() {
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if (!process.env.DIENSTEN_DIR) {
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throw new Error('DIENSTEN_DIR is required; configure the canonical Whatsapp_Dienst/diensten directory')
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}
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return path.resolve(process.env.DIENSTEN_DIR)
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}
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function loadDiensten() {
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if (dienstenCache) return dienstenCache
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const dienstenDir = getDienstenDir()
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const jsonPath = path.join(dienstenDir, 'dienst-tijden.json')
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let raw
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try {
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raw = fs.readFileSync(jsonPath, 'utf-8')
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} catch (err) {
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throw new Error(`Failed to read canonical diensten JSON at ${jsonPath}: ${err.message}`)
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}
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try {
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dienstenCache = JSON.parse(raw)
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} catch (err) {
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throw new Error(`Failed to parse canonical diensten JSON at ${jsonPath}: ${err.message}`)
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}
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return dienstenCache
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}
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function findDienst(dienstnummer) {
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const diensten = loadDiensten()
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return diensten.find(d => String(d.dienstnummer) === dienstnummer) || null
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}
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function getPngFilePaths(dienst) {
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const pngDir = path.join(getDienstenDir(), 'png')
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return dienst.paginas.map(p => path.join(pngDir, p.bestandsnaam))
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}
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module.exports = { loadDiensten, findDienst, getPngFilePaths }
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