Mail-writing: switch from mailto to downloading

process/Email_lib/process.js

+import("system.translate");
 import("system.text");
 import("system.db");
 import("system.util");
 import("Communication_lib");
 import("system.neon");
-
-
+import("system.mail");
 
 function EmailUtils () {}
 
@@ -14,7 +14,8 @@ EmailUtils.openMailTemplate = function (pToRecipients, pContactId, pTemplateId)
     email.setSender(pContactId);
     if (pTemplateId)
         email.setTemplate(pTemplateId);
-    email.openMail();
+
+    email.downloadEML();
 }
 
 EmailUtils.openNewMail = function (pToContactId)
@@ -58,12 +59,13 @@ function Email (pToRecipients, pSender, pSubject, pBody, pCcRecipients, pBccReci
 Email.prototype.setTemplate = function (pTemplateId)
 {
     var alias = "_____SYSTEMALIAS";
-    var binaryId = db.cell(SqlCondition.begin(alias)
-        .andPrepare("ASYS_BINARIES.ROW_ID", pTemplateId)
-        .buildSql("select ID from ASYS_BINARIES", "1=2"), alias
-    );
+    var templateDocument = db.getBinaryMetadata("DOCUMENTTEMPLATE", "DOCUMENT", pTemplateId, false, alias, null);
+    if (!templateDocument[0])
+        return null;
+    var binaryId = templateDocument[0][db.BINARY_ID];
     if (binaryId)
-        this.body = text.html2text(util.decodeBase64String(db.getBinaryContent(binaryId, alias)));
+        this.body = util.decodeBase64String(db.getBinaryContent(binaryId, alias));
+    return null;
 }
 
 /**
@@ -96,17 +98,61 @@ Email.prototype.getMailtoUrl = function ()
         url.push("subject=" + this.subject);
     
     if (this.body)
-        url.push("body=" + this.body);
+        url.push("body=" + text.html2text(this.body));
     
     url = "mailto:?" + url.join("&");
     
     return encodeURI(url);
 }
 
+/**
+ * generates a eml-element from the email object
+ */
+Email.prototype.getRFCmail = function ()
+{
+    var ENCODING = "UTF8";
+    var mailId = mail.newMail();
+
+    if (this.toRecipients.length)
+        mail.addRecipients(mailId, mail.RECIPIENT_TO, this.toRecipients);
+
+    if (this.ccRecipients.length)
+        mail.addRecipients(mailId, mail.RECIPIENT_CC, this.ccRecipients);
+
+    if (this.bccRecipients.length)
+        mail.addRecipients(mailId, mail.RECIPIENT_BCC, this.bccRecipients);
+
+    if (this.subject)
+        mail.setSubject(mailId, this.subject, ENCODING);
+
+    if (this.body)
+        mail.addText(mailId, this.body, "text/html", ENCODING, null);
+    
+    //"X-Unsent" is a very badly, non-standardised header to gently ask the mail client that the mail should open in a compose-mode
+    //this is mainly done for Microsoft Outlook for Windows. 
+    //Thunderbird has a dinosaur-request (it's from the year 2002) to also support this: https://bugzilla.mozilla.org/show_bug.cgi?id=166541 
+    mail.addHeader(mailId, "X-Unsent", "1");
+    
+    //accoding to this entry: https://stackoverflow.com/questions/11330628/os-x-mail-open-eml-files-in-compose-mode/33224913
+    //something similar exists for OS X Mail
+    //X-Uniform-Type-Identifier: com.apple.mail-draft
+    //this could be added later if needed
+
+    
+    var mailObj = mail.getCachedMail(mailId);
+    return mail.toRFC(mailObj);
+}
+
 /**
  * opens the email
  */
 Email.prototype.openMail = function ()
 {
     neon.openUrl(this.getMailtoUrl(), false);
-}
\ No newline at end of file
+}
+
+Email.prototype.downloadEML = function()
+{
+    neon.download(util.encodeBase64String(this.getRFCmail(), null), (this.subject || translate.text("Email Template")) + ".eml");
+}
+    
\ No newline at end of file