From ba2012af43bdccbff74e40fa6fee9678744c9965 Mon Sep 17 00:00:00 2001
From: IgnatzHome <ignatz@maschath.de>
Date: Thu, 14 Jun 2018 21:14:16 +0200
Subject: regex for advanced filter

---
 client/lib/filter.js | 44 +++++++++++++++++++++++++++++++++++++++-----
 1 file changed, 39 insertions(+), 5 deletions(-)

(limited to 'client')

diff --git a/client/lib/filter.js b/client/lib/filter.js
index e3658e1e..a4e58692 100644
--- a/client/lib/filter.js
+++ b/client/lib/filter.js
@@ -109,12 +109,20 @@ class AdvancedFilter {
     const commands = [];
     let current = '';
     let string = false;
+    let regex = false;
     let wasString = false;
     let ignore = false;
     for (let i = 0; i < this._filter.length; i++) {
       const char = this._filter.charAt(i);
       if (ignore) {
         ignore = false;
+        current += char;
+        continue;
+      }
+      if (char === '/'){
+        string = !string;
+        if (string) regex = true;
+        current += char;
         continue;
       }
       if (char === '\'') {
@@ -122,12 +130,12 @@ class AdvancedFilter {
         if (string) wasString = true;
         continue;
       }
-      if (char === '\\') {
+      if (char === '\\' && !string) {
         ignore = true;
         continue;
       }
       if (char === ' ' && !string) {
-        commands.push({ 'cmd': current, 'string': wasString });
+        commands.push({ 'cmd': current, 'string': wasString, regex});
         wasString = false;
         current = '';
         continue;
@@ -135,7 +143,7 @@ class AdvancedFilter {
       current += char;
     }
     if (current !== '') {
-      commands.push({ 'cmd': current, 'string': wasString });
+      commands.push({ 'cmd': current, 'string': wasString, regex});
     }
     return commands;
   }
@@ -224,7 +232,20 @@ class AdvancedFilter {
         {
           const field = commands[i - 1].cmd;
           const str = commands[i + 1].cmd;
-          commands[i] = { 'customFields._id': this._fieldNameToId(field), 'customFields.value': {$in: [this._fieldValueToId(field, str), parseInt(str, 10)]} };
+          if (commands[i + 1].regex)
+          {
+            const match = str.match(new RegExp('^/(.*?)/([gimy]*)$'));
+            let regex = null;
+            if (match.length > 2)
+              regex = new RegExp(match[1], match[2]);
+            else
+              regex = new RegExp(match[1]);
+            commands[i] = { 'customFields._id': this._fieldNameToId(field), 'customFields.value': regex };
+          }
+          else
+          {
+            commands[i] = { 'customFields._id': this._fieldNameToId(field), 'customFields.value': {$in: [this._fieldValueToId(field, str), parseInt(str, 10)]} };
+          }
           commands.splice(i - 1, 1);
           commands.splice(i, 1);
           //changed = true;
@@ -236,7 +257,20 @@ class AdvancedFilter {
         {
           const field = commands[i - 1].cmd;
           const str = commands[i + 1].cmd;
-          commands[i] = { 'customFields._id': this._fieldNameToId(field), 'customFields.value': { $not: {$in: [this._fieldValueToId(field, str), parseInt(str, 10)]} } };
+          if (commands[i + 1].regex)
+          {
+            const match = str.match(new RegExp('^/(.*?)/([gimy]*)$'));
+            let regex = null;
+            if (match.length > 2)
+              regex = new RegExp(match[1], match[2]);
+            else
+              regex = new RegExp(match[1]);
+            commands[i] = { 'customFields._id': this._fieldNameToId(field), 'customFields.value': { $not: regex } };
+          }
+          else
+          {
+            commands[i] = { 'customFields._id': this._fieldNameToId(field), 'customFields.value': { $not: {$in: [this._fieldValueToId(field, str), parseInt(str, 10)]} } };
+          }
           commands.splice(i - 1, 1);
           commands.splice(i, 1);
           //changed = true;
-- 
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