fix: Header size definition (#9)

softwaregroup-bg · Apr 20, 2018 · 501eb2f · 501eb2f
1 parent b06d9c5
commit 501eb2f
Show file tree

Hide file tree

Showing 2 changed files with 8 additions and 12 deletions.
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,13 +1,3 @@
-<a name="6.4.0"></a>
-# [6.4.0](https://github.com/softwaregroup-bg/ut-codec-payshield/compare/v6.2.2...v6.4.0) (2018-04-17)
-
-
-### Bug Fixes
-
-* better error handling ([f61494e](https://github.com/softwaregroup-bg/ut-codec-payshield/commit/f61494e))
-
-
-
 <a name="6.2.7"></a>
 ## [6.2.7](https://github.com/softwaregroup-bg/ut-codec-payshield/compare/v6.2.6...v6.2.7) (2018-03-28)
 

diff --git a/index.js b/index.js
@@ -30,6 +30,12 @@ PayshieldCodec.prototype.init = function(config) {
     if (this.headerPattern === false) {
         throw this.errors.parserHeader();
     }
+
+    this.headerNoSize = this.headerPattern.filter(function(value) {
+        return value.name === 'headerNo';
+    }).pop().size;
+    this.maxTrace = parseInt('9'.repeat(this.headerNoSize));
+
     for (var property in commandsObj) {
         if (commandsObj.hasOwnProperty(property)) {
             if (commandsObj[property].requestPattern) {
@@ -126,9 +132,9 @@ PayshieldCodec.prototype.encode = function(data, $meta, context) {
 
     var headerNo = $meta.trace;
     if (headerNo === undefined || headerNo === null) {
-        headerNo = $meta.trace = ('000000' + context.trace).substr(-6);
+        headerNo = $meta.trace = ('0'.repeat(this.headerNoSize) + context.trace).substr(-this.headerNoSize);
         context.trace += 1;
-        if (context.trace > 999999) {
+        if (context.trace > this.maxTrace) {
             context.trace = 0;
         }
     }