From f57960a4a6627a5781780563efb26bd2ca411058 Mon Sep 17 00:00:00 2001
From: dennisgunia <mail@dennisgunia.de>
Date: Fri, 2 Oct 2020 21:34:13 +0200
Subject: [PATCH] new mail parser

---
 src/mailParser.ts | 63 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 src/mailParser.ts

diff --git a/src/mailParser.ts b/src/mailParser.ts
new file mode 100644
index 0000000..93640ca
--- /dev/null
+++ b/src/mailParser.ts
@@ -0,0 +1,63 @@
+import { rejects } from "assert";
+import * as fs from 'fs'
+import { Console } from "console";
+
+export interface MLItem{
+    mail: string;
+    name: string;
+}
+
+export function parseMails(config: any) {
+    return new Promise<MLItem[]>((resolve,reject) => {
+        let mailArray: MLItem[] = [];
+        let currSection: string = "global";
+        let lineCounter: number = 0;
+        let curCounter: number = 0;
+
+
+        console.log(`Reading mails for section ${currSection}`)
+        // read and process mail list
+        let readline = require('readline'),
+        instream = fs.createReadStream(config.inFileMail),
+        outstream = new (require('stream'))(),
+        rl = readline.createInterface(instream, outstream);
+            
+        rl.on('line', function (line:string) {
+            lineCounter ++;
+            if(line.startsWith('[')){
+                if(line.endsWith(']')){
+                    console.log(`Read ${curCounter} adresses for section ${currSection}`)
+                    curCounter = 0;
+                    currSection=line.substring(1,line.length -1);
+                    console.log(`Reading mails for section ${currSection}`)
+                }else{
+                    console.error(`Error parsing section on line ${lineCounter}: Syntax Error. Missing closing bracket ]`)
+                }
+            }else if (!line.startsWith('#')){
+                const ix = line.indexOf(";")
+                if (ix !== -1){
+                    // check if already exist
+                    if (config.force || config.usedMails.filter((el: MLItem) => el.mail == line.substr(0,ix)).length == 0){
+                        mailArray.push({
+                            mail: line.substr(0,ix),
+                            name: line.substr(ix + 1)
+                        })
+                        curCounter ++;
+                    }else{
+                        console.error(`Skipping ${line.substr(0,ix)}: Already sent`)
+                    }
+                }else{
+                    console.error(`Error parsing mail on line ${lineCounter}: Syntax Error. Missing ;`)
+                }
+
+            } 
+        });
+        rl.on('close', function (line:string) {
+            // next step
+            console.log(`Read ${curCounter} adresses for section ${currSection}\n${mailArray.length} mails read!`)
+            resolve(mailArray);
+        });
+
+    })
+}
+