Upload csv by file in React

[MAILPOET-1808]

assets/js/src/subscribers/importExport/import.jsx

@@ -87,41 +87,6 @@ jQuery(document).ready(() => {
     const mailChimpListsContainerElement = jQuery('#mailchimp_lists');
     const mailChimpProcessButtonElement = jQuery('#method_mailchimp > div.mailpoet_method_process')
       .find('a.mailpoet_process');
-    const uploadElement = jQuery('#file_local');
-    const uploadProcessButtonElement = jQuery('#method_file > div.mailpoet_method_process')
-      .find('a.mailpoet_process');
-
-    function papaParserConfig(isFile) {
-      return {
-        skipEmptyLines: true,
-        error() {
-          MailPoet.Notice.hide();
-          MailPoet.Notice.error(MailPoet.I18n.t('dataProcessingError'));
-        },
-        complete(CSV) {
-          const sanitizedData = sanitizeCSVData(CSV.data);
-          if (sanitizedData) {
-            // since we assume that the header line is always present, we need
-            // to detect the header by checking if it contains a valid e-mail address
-            window.importData.step_method_selection = sanitizedData;
-            MailPoet.trackEvent('Subscribers import started', {
-              source: isFile ? 'file upload' : 'pasted data',
-              'MailPoet Free version': window.mailpoet_version,
-            });
-            router.navigate(
-              getMethodSelectionNextStepLink(window.importData.step_method_selection),
-              { trigger: true }
-            );
-          } else {
-            MailPoet.Modal.loading(false);
-            let errorNotice = MailPoet.I18n.t('noValidRecords');
-            errorNotice = errorNotice.replace('[link]', MailPoet.I18n.t('csvKBLink'));
-            errorNotice = errorNotice.replace('[/link]', '</a>');
-            MailPoet.Notice.error(errorNotice);
-          }
-        },
-      };
-    }
 
     function displayMailChimpLists(data) {
       const listSelectElement = mailChimpListsContainerElement.find('select');
@@ -152,35 +117,6 @@ jQuery(document).ready(() => {
       mailChimpListsContainerElement.show();
     }
 
-    /*
-     *  CSV file
-     */
-    uploadElement.change((event) => {
-      const ext = event.currentTarget.value.match(/[^.]+$/);
-      MailPoet.Notice.hide();
-      if (ext === null || ext[0].toLowerCase() !== 'csv') {
-        event.currentTarget.value.val('');
-        MailPoet.Notice.error(MailPoet.I18n.t('wrongFileFormat'));
-      }
-
-      toggleNextStepButton(
-        uploadProcessButtonElement,
-        (event.currentTarget.value.trim() !== '') ? 'on' : 'off'
-      );
-    });
-
-    uploadProcessButtonElement.click(() => {
-      if (uploadElement.val().trim() !== '') {
-        // delay loading indicator for 10ms or else it's just too fast :)
-        MailPoet.Modal.loading(true);
-        setTimeout(() => {
-          uploadElement.parse({
-            config: papaParserConfig(true),
-          });
-        }, 10);
-      }
-    });
-
     /*
      *  MailChimp
      */

assets/js/src/subscribers/importExport/import/step_method_selection.jsx

@@ -1,13 +1,12 @@
 import React, { useState } from 'react';
 import PropTypes from 'prop-types';
 import MailPoet from 'mailpoet';
-import Papa from 'papaparse';
 import PreviousNextStepButtons from './previous_next_step_buttons.jsx';
 import SelectMethod from './step_method_selection/select_import_method.jsx';
 import MethodPaste from './step_method_selection/method_paste.jsx';
 import MethodUpload from './step_method_selection/method_upload.jsx';
 import MethodMailChimp from './step_method_selection/method_mailchimp.jsx';
-import sanitizeCSVData from './sanitize_csv_data.jsx';
+import processCsv from './step_method_selection/process_csv.jsx';
 
 const SUBSCRIBERS_LIMIT_FOR_VALIDATION = 500;
 
@@ -39,49 +38,18 @@ function StepMethodSelection({
     setCanGoNext(false);
   };
 
-  function papaParserConfig(isFile) {
-    return {
-      skipEmptyLines: true,
-      error() {
-        MailPoet.Notice.hide();
-        MailPoet.Notice.error(MailPoet.I18n.t('dataProcessingError'));
-      },
-      complete(CSV) {
-        const sanitizedData = sanitizeCSVData(CSV.data);
-        if (sanitizedData) {
-          // since we assume that the header line is always present, we need
-          // to detect the header by checking if it contains a valid e-mail address
-          window.importData.step_method_selection = sanitizedData;
-          MailPoet.trackEvent('Subscribers import started', {
-            source: isFile ? 'file upload' : 'pasted data',
-            'MailPoet Free version': window.mailpoet_version,
-          });
-          navigate(
-            getNextStepLink(window.importData.step_method_selection),
-            { trigger: true }
-          );
-        } else {
-          MailPoet.Modal.loading(false);
-          let errorNotice = MailPoet.I18n.t('noValidRecords');
-          errorNotice = errorNotice.replace('[link]', MailPoet.I18n.t('csvKBLink'));
-          errorNotice = errorNotice.replace('[/link]', '</a>');
-          MailPoet.Notice.error(errorNotice);
-        }
-      },
-    };
-  }
-
   const process = () => {
-    const pasteSize = encodeURI(csvData).split(/%..|./).length - 1;
-    MailPoet.Notice.hide();
-    // get an approximate size of textarea paste in bytes
-    if (pasteSize > window.maxPostSizeBytes) {
-      MailPoet.Notice.error(MailPoet.I18n.t('maxPostSizeNotice'));
-      return;
-    }
-    // delay loading indicator for 10ms or else it's just too fast :)
-    MailPoet.Modal.loading(true);
-    Papa.parse(csvData, papaParserConfig(false));
+    processCsv(csvData, (sanitizedData) => {
+      window.importData.step_method_selection = sanitizedData;
+      MailPoet.trackEvent('Subscribers import started', {
+        source: method === 'file-method' ? 'file upload' : 'pasted data',
+        'MailPoet Free version': window.mailpoet_version,
+      });
+      navigate(
+        getNextStepLink(window.importData.step_method_selection),
+        { trigger: true }
+      );
+    });
   };
 
   const showNextButton = () => {
@@ -112,10 +80,12 @@ function StepMethodSelection({
           />
         ) : null
       }
-      { method === 'csv-method'
+      { method === 'file-method'
         ? (
           <MethodUpload
+            onValueChange={setCsvData}
             setInputValid={setInputValid}
+            setInputInvalid={setInputInValid}
           />
         ) : null
       }

assets/js/src/subscribers/importExport/import/step_method_selection/method_upload.jsx

@@ -1,21 +1,69 @@
 import React from 'react';
 import PropTypes from 'prop-types';
 import MailPoet from 'mailpoet';
+import ReactStringReplace from 'react-string-replace';
+
+const kbLink = 'http://docs.mailpoet.com/article/126-importing-subscribers-with-csv-files'
+
+const MethodUpload = ({ setInputValid, setInputInvalid, onValueChange }) => {
+  const onChange = (e) => {
+    const ext = e.target.value.match(/[^.]+$/);
+    MailPoet.Notice.hide();
+    if (ext === null || ext[0].toLowerCase() !== 'csv') {
+      setInputInvalid();
+      MailPoet.Notice.error(MailPoet.I18n.t('wrongFileFormat'));
+      onValueChange('');
+    } else {
+      onValueChange(e.target.files[0]);
+      setInputValid();
+    }
+  };
 
-const MethodUpload = ({ setInputValid }) => {
   return (
     <div>
-      MethodUpload
+      <>
+        <label htmlFor="paste_input" className="import_method_paste">
+          <div className="import_paste_texts">
+            <span className="import_heading">{MailPoet.I18n.t('methodUpload')}</span>
+            <p className="description">
+              {ReactStringReplace(
+                MailPoet.I18n.t('pasteDescription'),
+                /\[link\](.*?)\[\/link\]/,
+                match => (
+                  <a
+                    href={`${kbLink}`}
+                    key="kb-link"
+                    target="_blank"
+                    rel="noopener noreferrer"
+                  >
+                    { match }
+                  </a>
+                )
+              )}
+            </p>
+          </div>
+          <input
+            type="file"
+            id="file_local"
+            accept=".csv"
+            data-automation-id="import-file-upload-input"
+            onChange={onChange}
+          />
+        </label>
+      </>
     </div>
   );
 };
 
 MethodUpload.propTypes = {
   setInputValid: PropTypes.func,
+  setInputInvalid: PropTypes.func,
+  onValueChange: PropTypes.func.isRequired,
 };
 
 MethodUpload.defaultProps = {
   setInputValid: () => {},
+  setInputInvalid: () => {},
 };
 
 export default MethodUpload;

assets/js/src/subscribers/importExport/import/step_method_selection/process_csv.jsx

@@ -0,0 +1,39 @@
+import Papa from 'papaparse';
+import MailPoet from 'mailpoet';
+import sanitizeCSVData from '../sanitize_csv_data.jsx';
+
+function papaParserConfig(done) {
+  return {
+    skipEmptyLines: true,
+    error() {
+      MailPoet.Notice.hide();
+      MailPoet.Notice.error(MailPoet.I18n.t('dataProcessingError'));
+    },
+    complete(CSV) {
+      const sanitizedData = sanitizeCSVData(CSV.data);
+      if (sanitizedData) {
+        done(sanitizedData);
+      } else {
+        MailPoet.Modal.loading(false);
+        let errorNotice = MailPoet.I18n.t('noValidRecords');
+        errorNotice = errorNotice.replace('[link]', MailPoet.I18n.t('csvKBLink'));
+        errorNotice = errorNotice.replace('[/link]', '</a>');
+        MailPoet.Notice.error(errorNotice);
+      }
+    },
+  };
+}
+
+const process = (csvData, done) => {
+  const pasteSize = encodeURI(csvData).split(/%..|./).length - 1;
+  MailPoet.Notice.hide();
+  // get an approximate size of textarea paste in bytes
+  if (pasteSize > window.maxPostSizeBytes) {
+    MailPoet.Notice.error(MailPoet.I18n.t('maxPostSizeNotice'));
+    return;
+  }
+  MailPoet.Modal.loading(true);
+  Papa.parse(csvData, papaParserConfig(done));
+};
+
+export default process;

assets/js/src/subscribers/importExport/import/step_method_selection/select_import_method.jsx

@@ -28,8 +28,8 @@ function SelectImportMethod({
           name="select_method"
           data-automation-id="import-csv-method"
           id="import-csv-method"
-          checked={activeMethod === 'csv-method'}
-          onChange={() => onMethodChange('csv-method')}
+          checked={activeMethod === 'file-method'}
+          onChange={() => onMethodChange('file-method')}
         />
         {MailPoet.I18n.t('methodUpload')}
       </label>

views/subscribers/importExport/import/step_data_manipulation.html

@@ -69,7 +69,7 @@
         </td>
       </tr>
       <tr>
-        <th>
+        <th style="width: 300px;">
           <a href="javascript:;" id="return_to_previous"
              class="button-primary wysija button"><%= __('Previous step') %> </a>
           &nbsp;&nbsp;

views/subscribers/importExport/import/step_method_selection.html

@@ -1,29 +1,5 @@
 <div id="step_method_selection" class="mailpoet_hidden method_selection_step">
   <div class="inside">
-    <!-- CSV file -->
-    <div id="method_file" class="mailpoet_hidden">
-      <table class="mailpoet_subscribers form-table">
-        <tbody>
-        <tr>
-          <th scope="row">
-            <label for="file_local">
-              <%= __('Upload a file') %>
-              <p class="description">
-                <%= csvDescription|replaceLinkTags(csvKBLink, {'target' : '_blank'})|raw %>
-              </p>
-            </label>
-          </th>
-          <td>
-            <input type="file" id="file_local" accept=".csv"  data-automation-id="import-file-upload-input" />
-          </td>
-        </tr>
-        </tbody>
-      </table>
-      <div class="mailpoet_method_process">
-        <!-- Template data -->
-      </div>
-    </div>
-
     <!-- Mailchimp -->
     <div id="method_mailchimp" class="mailpoet_hidden">
       <table class="mailpoet_subscribers form-table">