query groups and courses

dbTools/profile.js

@@ -163,6 +163,35 @@ userDB = (DB) => {
         return r;
     }
 
+    DB.searchGroups = async (queryStr, coursesB = false) => {
+        let regEx = new RegExp(queryStr, 'i');
+        let query = queryStr ? {
+            isGroup: true,
+            isCourse: coursesB,
+            $or: [
+                {"profile.firstName": {
+                    $regex: regEx
+                }},
+                {"profile.lastName": {
+                    $regex: regEx
+                }},
+                {"profile.description": {
+                    $regex: regEx
+                }},
+                {"data.author": {
+                    $regex: regEx
+                }}
+            ]
+        } : {isGroup: true, isCourse: coursesB};
+        let r = await DB.profileCols.find(query)
+                .sort({ lastUpdate: -1 }).limit(20)
+                .toArray().catch((err) => {
+            console.log(err);
+            return false;
+        });
+        return r;
+    }
+
     let privateGroupsCache = {};
     DB.isGroupPrivate = async (groupid) => {
         if(userProfileCache[groupid]) return userProfileCache[groupid].isPrivate;