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import { BudgetRead, CategoryRead, TransactionSplit } from "@billos/firefly-iii-sdk"
import nunjucks from "nunjucks"
import { env } from "../config"
export type TemplateContext = {
transaction?: TransactionSplit
transactionId?: string
categories?: CategoryRead[]
budgets?: BudgetRead[]
budgetName?: string
spent?: number
limit?: number
currencySymbol?: string
importDirectory?: string
}
// Resolve the templates/notifications directory relative to this source file.
// __dirname is src/utils (tsx dev mode) or build/utils (compiled production mode).
// Going two levels up from either location reaches the project root, where
// templates/ lives alongside src/ and build/.
const templatesDir = path.join(__dirname, "..", "..", "templates", "notifications")
const njkEnv = nunjucks.configure(templatesDir, {
// autoescape is intentionally disabled: the output is plain-text Markdown sent
// to Discord / Gotify, not HTML. Enabling autoescape would corrupt Markdown
// syntax (e.g. & → &, < → <) without providing any security benefit.
autoescape: false,
trimBlocks: true,
lstripBlocks: true,
})
// Expose a subset of the application env config as a dedicated namespace in all templates.
// Only values that templates legitimately need are included; sensitive credentials
// (fireflyToken, webhookSecret, redis password, etc.) are intentionally excluded.
// Templates can reference these values as {{ env.fireflyUrl }}, {{ env.apiToken }}, etc.
njkEnv.addGlobal("env", {
fireflyUrl: env.fireflyUrl,
serviceUrl: env.serviceUrl,
apiToken: env.apiToken,
})
njkEnv.addFilter("toFixed", (value: number | string, decimals: number) => {
const num = parseFloat(String(value))
return isNaN(num) ? String(value) : num.toFixed(decimals)
})
njkEnv.addFilter("UrlFireflyTransactionShow", (transactionId: string) => `${env.fireflyUrl}/transactions/show/${transactionId}`)
njkEnv.addFilter("UrlFireflyBudgets", () => `${env.fireflyUrl}/budgets`)
njkEnv.addFilter("UrlFireflyTransactions", () => `${env.fireflyUrl}/transactions/withdrawal`)
njkEnv.addFilter(
"UrlSparkleftCategorySet",
(transactionId: string, categoryId: string) =>
`${env.serviceUrl}/transaction/${transactionId}/category/${categoryId}?api_token=${env.apiToken}`,
)
njkEnv.addFilter(
"UrlSparkleftBudgetSet",
(transactionId: string, budgetId: string) =>
`${env.serviceUrl}/transaction/${transactionId}/budget/${budgetId}?api_token=${env.apiToken}`,
)
njkEnv.addFilter(
"UrlSparkleftCategorySetUI",
(transactionId: string) => `${env.serviceUrl}/transaction/${transactionId}/categories?api_token=${env.apiToken}`,
)
njkEnv.addFilter("UrlSparkleftAutoImport", () => `${env.serviceUrl}/autoimport?api_token=${env.apiToken}`)
export function renderTemplate(templateName: string, context: TemplateContext): string {
return njkEnv.render(templateName, context).trim()
}
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