From a60785d563a3b4b6a96703c35f37f9d2bbfdbefc Mon Sep 17 00:00:00 2001
From: rijkvanzanten <rijkvanzanten@me.com>
Date: Wed, 8 Jul 2020 13:15:44 -0400
Subject: [PATCH] Add support for search query param

---
 src/database/run-ast.ts          | 20 +++++++++++++++++++-
 src/middleware/sanitize-query.ts |  4 ++++
 src/types/query.ts               |  1 +
 3 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/src/database/run-ast.ts b/src/database/run-ast.ts
index 69dd49584e..eb22174dfc 100644
--- a/src/database/run-ast.ts
+++ b/src/database/run-ast.ts
@@ -1,6 +1,6 @@
 import { AST, NestedCollectionAST } from '../types/ast';
 import { uniq } from 'lodash';
-import database from './index';
+import database, { schemaInspector } from './index';
 import { Query } from '../types/query';
 
 export default async function runAST(ast: AST, query = ast.query) {
@@ -69,6 +69,24 @@ export default async function runAST(ast: AST, query = ast.query) {
 		dbQuery.limit(1).first();
 	}
 
+	if (query.search && ast.type === 'collection') {
+		const columns = await schemaInspector.columnInfo(ast.name);
+
+		columns
+			/** @todo Check if this scales between SQL vendors */
+			.filter(
+				(column) =>
+					column.type.toLowerCase().includes('text') ||
+					column.type.toLowerCase().includes('char')
+			)
+			.forEach((column) => {
+				dbQuery.orWhereRaw(
+					`LOWER(${column.name}) LIKE '%' || LOWER(?) || '%'`,
+					query.search
+				);
+			});
+	}
+
 	let results = await dbQuery;
 
 	for (const batch of nestedCollections) {
diff --git a/src/middleware/sanitize-query.ts b/src/middleware/sanitize-query.ts
index f81c07d025..eae5a7dc4a 100644
--- a/src/middleware/sanitize-query.ts
+++ b/src/middleware/sanitize-query.ts
@@ -51,6 +51,10 @@ const sanitizeQuery: RequestHandler = (req, res, next) => {
 		query.meta = sanitizeMeta(req.query.meta);
 	}
 
+	if (req.query.search && typeof req.query.search === 'string') {
+		query.search = req.query.search;
+	}
+
 	req.sanitizedQuery = query;
 	return next();
 };
diff --git a/src/types/query.ts b/src/types/query.ts
index 71aee8b8aa..992acdd140 100644
--- a/src/types/query.ts
+++ b/src/types/query.ts
@@ -9,6 +9,7 @@ export type Query = {
 	page?: number;
 	single?: boolean;
 	meta?: Meta[];
+	search?: string;
 };
 
 export type Sort = {