385 lines
12 KiB
TypeScript
385 lines
12 KiB
TypeScript
import { FastifyInstance } from "fastify"
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import {
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eq,
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ilike,
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asc,
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desc,
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and,
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count,
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inArray,
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or
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} from "drizzle-orm"
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import {resourceConfig} from "../../resource.config";
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// -------------------------------------------------------------
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// SQL Volltextsuche auf mehreren Feldern
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// -------------------------------------------------------------
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function buildSearchCondition(table: any, columns: string[], search: string) {
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if (!search || !columns.length) return null
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const term = `%${search.toLowerCase()}%`
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const conditions = columns
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.map((colName) => table[colName])
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.filter(Boolean)
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.map((col) => ilike(col, term))
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if (conditions.length === 0) return null
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// @ts-ignore
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return or(...conditions)
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}
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export default async function resourceRoutes(server: FastifyInstance) {
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// -------------------------------------------------------------
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// LIST
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// -------------------------------------------------------------
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server.get("/resource/:resource", async (req, reply) => {
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try {
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const tenantId = req.user?.tenant_id
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if (!tenantId)
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return reply.code(400).send({ error: "No tenant selected" })
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const { search, sort, asc: ascQuery } = req.query as {
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search?: string
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sort?: string
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asc?: string
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}
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const {resource} = req.params as {resource: string}
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const table = resourceConfig[resource].table
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// WHERE-Basis
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let whereCond: any = eq(table.tenant, tenantId)
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// 🔍 SQL Search
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if(search) {
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const searchCond = buildSearchCondition(
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table,
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resourceConfig[resource].searchColumns,
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search.trim()
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)
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if (searchCond) {
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whereCond = and(whereCond, searchCond)
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}
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}
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// Base Query
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let q = server.db.select().from(table).where(whereCond)
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// Sortierung
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if (sort) {
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const col = (table as any)[sort]
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if (col) {
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//@ts-ignore
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q = ascQuery === "true"
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? q.orderBy(asc(col))
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: q.orderBy(desc(col))
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}
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}
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const queryData = await q
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// RELATION LOADING (MANY-TO-ONE)
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let ids = {}
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let lists = {}
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let maps = {}
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let data = []
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if(resourceConfig[resource].mtoLoad) {
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resourceConfig[resource].mtoLoad.forEach(relation => {
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ids[relation] = [...new Set(queryData.map(r => r[relation]).filter(Boolean))];
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})
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for await (const relation of resourceConfig[resource].mtoLoad ) {
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lists[relation] = ids[relation].length ? await server.db.select().from(resourceConfig[relation + "s"].table).where(inArray(resourceConfig[relation + "s"].table.id, ids[relation])) : []
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}
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resourceConfig[resource].mtoLoad.forEach(relation => {
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maps[relation] = Object.fromEntries(lists[relation].map(i => [i.id, i]));
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})
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data = queryData.map(row => {
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let toReturn = {
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...row
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}
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resourceConfig[resource].mtoLoad.forEach(relation => {
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toReturn[relation] = row[relation] ? maps[relation][row[relation]] : null
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})
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return toReturn
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});
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} else {
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data = queryData
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}
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return data
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} catch (err) {
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console.error("ERROR /resource/:resource", err)
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return reply.code(500).send({ error: "Internal Server Error" })
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}
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})
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// -------------------------------------------------------------
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// PAGINATED LIST
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// -------------------------------------------------------------
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server.get("/resource/:resource/paginated", async (req, reply) => {
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try {
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const tenantId = req.user?.tenant_id;
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if (!tenantId) {
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return reply.code(400).send({ error: "No tenant selected" });
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}
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const {resource} = req.params as {resource: string};
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const {queryConfig} = req;
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const {
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pagination,
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sort,
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filters,
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paginationDisabled
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} = queryConfig;
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const { search, distinctColumns } = req.query as {
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search?: string;
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distinctColumns?: string;
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};
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let table = resourceConfig[resource].table
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let whereCond: any = eq(table.tenant, tenantId);
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if(search) {
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const searchCond = buildSearchCondition(
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table,
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resourceConfig[resource].searchColumns,
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search.trim()
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)
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if (searchCond) {
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whereCond = and(whereCond, searchCond)
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}
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}
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if (filters) {
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for (const [key, val] of Object.entries(filters)) {
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const col = (table as any)[key];
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if (!col) continue;
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if (Array.isArray(val)) {
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whereCond = and(whereCond, inArray(col, val));
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} else {
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whereCond = and(whereCond, eq(col, val as any));
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}
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}
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}
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// -----------------------------------------------
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// COUNT (for pagination)
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// -----------------------------------------------
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const totalRes = await server.db
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.select({ value: count(table.id) })
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.from(table)
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.where(whereCond);
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const total = Number(totalRes[0]?.value ?? 0);
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// -----------------------------------------------
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// DISTINCT VALUES (regardless of pagination)
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// -----------------------------------------------
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const distinctValues: Record<string, any[]> = {};
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if (distinctColumns) {
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for (const colName of distinctColumns.split(",").map(c => c.trim())) {
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const col = (table as any)[colName];
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if (!col) continue;
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const rows = await server.db
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.select({ v: col })
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.from(table)
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.where(eq(table.tenant, tenantId));
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const values = rows
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.map(r => r.v)
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.filter(v => v != null && v !== "");
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distinctValues[colName] = [...new Set(values)].sort();
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}
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}
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// PAGINATION
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const offset = pagination?.offset ?? 0;
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const limit = pagination?.limit ?? 100;
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// SORTING
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let orderField: any = null;
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let direction: "asc" | "desc" = "asc";
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if (sort?.length > 0) {
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const s = sort[0];
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const col = (table as any)[s.field];
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if (col) {
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orderField = col;
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direction = s.direction === "asc" ? "asc" : "desc";
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}
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}
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// MAIN QUERY (Paginated)
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let q = server.db
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.select()
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.from(table)
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.where(whereCond)
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.offset(offset)
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.limit(limit);
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if (orderField) {
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//@ts-ignore
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q = direction === "asc"
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? q.orderBy(asc(orderField))
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: q.orderBy(desc(orderField));
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}
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const rows = await q;
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if (!rows.length) {
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return {
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data: [],
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queryConfig: {
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...queryConfig,
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total,
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totalPages: 0,
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distinctValues
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}
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};
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}
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// RELATION LOADING (MANY-TO-ONE)
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let ids = {}
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let lists = {}
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let maps = {}
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let data = []
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if(resourceConfig[resource].mtoLoad) {
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resourceConfig[resource].mtoLoad.forEach(relation => {
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ids[relation] = [...new Set(rows.map(r => r[relation]).filter(Boolean))];
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})
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for await (const relation of resourceConfig[resource].mtoLoad ) {
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lists[relation] = ids[relation].length ? await server.db.select().from(resourceConfig[relation + "s"].table).where(inArray(resourceConfig[relation + "s"].table.id, ids[relation])) : []
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}
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resourceConfig[resource].mtoLoad.forEach(relation => {
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maps[relation] = Object.fromEntries(lists[relation].map(i => [i.id, i]));
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})
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data = rows.map(row => {
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let toReturn = {
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...row
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}
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resourceConfig[resource].mtoLoad.forEach(relation => {
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toReturn[relation] = row[relation] ? maps[relation][row[relation]] : null
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})
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return toReturn
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});
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} else {
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data = rows
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}
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// -----------------------------------------------
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// RETURN DATA
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// -----------------------------------------------
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return {
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data,
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queryConfig: {
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...queryConfig,
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total,
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totalPages: Math.ceil(total / limit),
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distinctValues
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}
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};
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} catch (err) {
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console.error(`ERROR /resource/:resource/paginated:`, err);
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return reply.code(500).send({ error: "Internal Server Error" });
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}
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});
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// -------------------------------------------------------------
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// DETAIL (mit JOINS)
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// -------------------------------------------------------------
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server.get("/resource/:resource/:id", async (req, reply) => {
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try {
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const { id } = req.params as { id: string }
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const tenantId = req.user?.tenant_id
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if (!tenantId) return reply.code(400).send({ error: "No tenant selected" })
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const {resource} = req.params as { resource: string }
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const table = resourceConfig[resource].table
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const projRows = await server.db
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.select()
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.from(table)
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.where(and(eq(table.id, id), eq(table.tenant, tenantId)))
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.limit(1)
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if (!projRows.length)
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return reply.code(404).send({ error: "Resource not found" })
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// ------------------------------------
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// LOAD RELATIONS
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// ------------------------------------
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let ids = {}
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let lists = {}
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let maps = {}
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let data = {
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...projRows[0]
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}
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if(resourceConfig[resource].mtoLoad) {
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for await (const relation of resourceConfig[resource].mtoLoad ) {
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if(data[relation]) {
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data[relation] = await server.db.select().from(resourceConfig[relation + "s"].table).where(eq(resourceConfig[relation + "s"].table.id, data[relation]))
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}
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}
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for await (const relation of resourceConfig[resource].mtmLoad ) {
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console.log(relation)
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data[relation] = await server.db.select().from(resourceConfig[relation].table).where(eq(resourceConfig[relation].table[resource.substring(0,resource.length - 1)],id))
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}
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}
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return data
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} catch (err) {
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console.error("ERROR /resource/projects/:id", err)
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return reply.code(500).send({ error: "Internal Server Error" })
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}
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})
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}
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