Initial commit: Angular frontend and Expressjs backend

worklenz-backend/src/controllers/worklenz-controller-base.ts

@@ -0,0 +1,69 @@
+import { forEach } from "lodash";
+import {DEFAULT_PAGE_SIZE} from "../shared/constants";
+import {toTsQuery} from "../shared/utils";
+
+export default abstract class WorklenzControllerBase {
+
+  protected static get paginatedDatasetDefaultStruct() {
+    return {total: 0, data: []};
+  }
+
+  protected static isValidHost(hostname: string) {
+    return hostname === "worklenz.com"
+      || hostname === "www.worklenz.com"
+      || hostname === "dev.worklenz.com"
+      || hostname === "uat.worklenz.com";
+  }
+
+  public static createTagList(list: Array<{ name?: string; end?: boolean; names?: string[]; }>, max = 4) {
+    let data = [...(list || [])];
+    if (data.length > max) {
+      const remaining = list.slice(max);
+      const names = remaining.map(i => i.name);
+      data = data.slice(0, max);
+      data.push({name: `+${remaining.length}`, end: true, names: names as string[]});
+    }
+
+    return data;
+  }
+
+  protected static toPaginationOptions(queryParams: any, searchField: string | string[], isMemberFilter = false) {
+    // Pagination
+    const size = +(queryParams.size || DEFAULT_PAGE_SIZE);
+    const index = +(queryParams.index || 1);
+    const offset = queryParams.search ? 0 : (index - 1) * size;
+    const paging = queryParams.paging || "true";
+
+    // let s = "";
+    // if (typeof searchField === "string") {
+    //   s = `${searchField} || ' ' || id::TEXT`;
+    // } else if (Array.isArray(searchField)) {
+    //   s = searchField.join(" || ' ' || ");
+    // }
+
+    // const search = (queryParams.search as string || "").trim();
+    // const searchQuery = search ? `AND TO_TSVECTOR(${s}) @@ TO_TSQUERY('${toTsQuery(search)}')` : "";
+
+    const search = (queryParams.search as string || "").trim();
+
+    let s = "";
+    if (typeof searchField === "string") {
+      s = ` ${searchField} ILIKE '%${search}%'`;
+    } else if (Array.isArray(searchField)) {
+      s = searchField.map(index => ` ${index} ILIKE '%${search}%'`).join(" OR ");
+    }
+
+    let searchQuery = "";
+
+    if (search) {
+      searchQuery = isMemberFilter ? ` (${s})  AND ` : ` AND (${s}) `;
+    }
+
+    // Sort
+    const sortField = /null|undefined/.test(queryParams.field as string) ? searchField : queryParams.field;
+    const sortOrder = queryParams.order === "descend" ? "desc" : "asc";
+
+    return {searchQuery, sortField, sortOrder, size, offset, paging};
+  }
+
+}