move autofill script building method to service

src/services/autofillService.js

@@ -0,0 +1,117 @@
+function AutofillService() {
+    initAutofill();
+};
+
+function initAutofill() {
+    AutofillService.prototype.generateFillScript = function (pageDetails, fillUsername, fillPassword) {
+        if (!pageDetails) {
+            return null;
+        }
+
+        var fillScript = {
+            documentUUID: pageDetails.documentUUID,
+            script: [],
+            autosubmit: null,
+            properties: {},
+            options: {},
+            metadata: {}
+        };
+
+        var passwordFields = [];
+        for (var i = 0; i < pageDetails.fields.length; i++) {
+            if (pageDetails.fields[i].type === 'password') {
+                passwordFields.push(pageDetails.fields[i]);
+            }
+        }
+
+        var passwordForms = [];
+        for (var formKey in pageDetails.forms) {
+            for (var j = 0; j < passwordFields.length; j++) {
+                if (formKey === passwordFields[j].form) {
+                    passwordForms.push(pageDetails.forms[formKey]);
+                    break;
+                }
+            }
+        }
+
+        if (!passwordForms.length) {
+            return null;
+        }
+
+        var loginForm = null;
+        if (passwordForms.length > 1) {
+            // More than one form with a password field is on the page.
+            // This usually occurs when a website has a login and signup form on the same page.
+            // Let's try to guess which one is the login form.
+
+            // First let's try to guess the correct login form by examining the form attribute strings
+            // for common login form attribute.
+            for (i = 0; i < passwordForms.length; i++) {
+                var formDescriptor = (passwordForms[i].htmlName + '~' + passwordForms[i].htmlId +
+                    '~' + passwordForms[i].htmlAction).toLowerCase();
+
+                if (formDescriptor.indexOf('login') !== -1 || formDescriptor.indexOf('log-in') !== -1 ||
+                    formDescriptor.indexOf('signin') !== -1 || formDescriptor.indexOf('sign-in') !== -1 ||
+                    formDescriptor.indexOf('logon') !== -1 || formDescriptor.indexOf('log-on') !== -1) {
+                    loginForm = passwordForms[i];
+                    break;
+                }
+            }
+
+            if (!loginForm) {
+                // Next we can try to find the login form that only has one password field. Typically
+                // a registration form may have two password fields for password confirmation.
+                for (i = 0; i < passwordForms.length; i++) {
+                    var passwordFieldCount = 0;
+
+                    for (j = 0; j < passwordFields.length; j++) {
+                        if (passwordForms[i].opid === passwordFields[j].form) {
+                            passwordFieldCount++;
+                        }
+                    }
+
+                    if (passwordFieldCount === 1) {
+                        loginForm = passwordForms[i];
+                        break;
+                    }
+                }
+            }
+        }
+
+        if (!loginForm) {
+            loginForm = passwordForms[0];
+        }
+
+        var password = null;
+        for (i = 0; i < pageDetails.fields.length; i++) {
+            var f = pageDetails.fields[i];
+            if (f.form === loginForm.opid && f.type === 'password') {
+                password = f;
+                break;
+            }
+        }
+
+        var username = null;
+        for (i = 0; i < pageDetails.fields.length; i++) {
+            f = pageDetails.fields[i];
+            if (f.form === loginForm.opid && (f.type === 'text' || f.type === 'email')
+                && f.elementNumber < password.elementNumber) {
+                username = f;
+            }
+        }
+
+        if (username) {
+            fillScript.script.push(['click_on_opid', username.opid]);
+            fillScript.script.push(['fill_by_opid', username.opid, fillUsername]);
+        }
+
+        fillScript.script.push(['click_on_opid', password.opid]);
+        fillScript.script.push(['fill_by_opid', password.opid, fillPassword]);
+
+        if (loginForm.htmlAction) {
+            fillScript.autosubmit = { focusOpid: password.opid };
+        }
+
+        return fillScript;
+    };
+};