Split issue edit code from repo-legacy.js into its own file (go-g…

…itea#30419)

Follow Split `index.js` to separate files (go-gitea#17315)

It's time to move some code away from the messy "legacy" file.

web_src/js/features/repo-issue-edit.js

@@ -0,0 +1,206 @@
+import $ from 'jquery';
+import {handleReply} from './repo-issue.js';
+import {getComboMarkdownEditor, initComboMarkdownEditor} from './comp/ComboMarkdownEditor.js';
+import {createDropzone} from './dropzone.js';
+import {GET, POST} from '../modules/fetch.js';
+import {hideElem, showElem} from '../utils/dom.js';
+import {attachRefIssueContextPopup} from './contextpopup.js';
+import {initCommentContent, initMarkupContent} from '../markup/content.js';
+
+const {csrfToken} = window.config;
+
+async function onEditContent(event) {
+  event.preventDefault();
+
+  const segment = this.closest('.header').nextElementSibling;
+  const editContentZone = segment.querySelector('.edit-content-zone');
+  const renderContent = segment.querySelector('.render-content');
+  const rawContent = segment.querySelector('.raw-content');
+
+  let comboMarkdownEditor;
+
+  /**
+   * @param {HTMLElement} dropzone
+   */
+  const setupDropzone = async (dropzone) => {
+    if (!dropzone) return null;
+
+    let disableRemovedfileEvent = false; // when resetting the dropzone (removeAllFiles), disable the "removedfile" event
+    let fileUuidDict = {}; // to record: if a comment has been saved, then the uploaded files won't be deleted from server when clicking the Remove in the dropzone
+    const dz = await createDropzone(dropzone, {
+      url: dropzone.getAttribute('data-upload-url'),
+      headers: {'X-Csrf-Token': csrfToken},
+      maxFiles: dropzone.getAttribute('data-max-file'),
+      maxFilesize: dropzone.getAttribute('data-max-size'),
+      acceptedFiles: ['*/*', ''].includes(dropzone.getAttribute('data-accepts')) ? null : dropzone.getAttribute('data-accepts'),
+      addRemoveLinks: true,
+      dictDefaultMessage: dropzone.getAttribute('data-default-message'),
+      dictInvalidFileType: dropzone.getAttribute('data-invalid-input-type'),
+      dictFileTooBig: dropzone.getAttribute('data-file-too-big'),
+      dictRemoveFile: dropzone.getAttribute('data-remove-file'),
+      timeout: 0,
+      thumbnailMethod: 'contain',
+      thumbnailWidth: 480,
+      thumbnailHeight: 480,
+      init() {
+        this.on('success', (file, data) => {
+          file.uuid = data.uuid;
+          fileUuidDict[file.uuid] = {submitted: false};
+          const input = document.createElement('input');
+          input.id = data.uuid;
+          input.name = 'files';
+          input.type = 'hidden';
+          input.value = data.uuid;
+          dropzone.querySelector('.files').append(input);
+        });
+        this.on('removedfile', async (file) => {
+          document.getElementById(file.uuid)?.remove();
+          if (disableRemovedfileEvent) return;
+          if (dropzone.getAttribute('data-remove-url') && !fileUuidDict[file.uuid].submitted) {
+            try {
+              await POST(dropzone.getAttribute('data-remove-url'), {data: new URLSearchParams({file: file.uuid})});
+            } catch (error) {
+              console.error(error);
+            }
+          }
+        });
+        this.on('submit', () => {
+          for (const fileUuid of Object.keys(fileUuidDict)) {
+            fileUuidDict[fileUuid].submitted = true;
+          }
+        });
+        this.on('reload', async () => {
+          try {
+            const response = await GET(editContentZone.getAttribute('data-attachment-url'));
+            const data = await response.json();
+            // do not trigger the "removedfile" event, otherwise the attachments would be deleted from server
+            disableRemovedfileEvent = true;
+            dz.removeAllFiles(true);
+            dropzone.querySelector('.files').innerHTML = '';
+            for (const el of dropzone.querySelectorAll('.dz-preview')) el.remove();
+            fileUuidDict = {};
+            disableRemovedfileEvent = false;
+
+            for (const attachment of data) {
+              const imgSrc = `${dropzone.getAttribute('data-link-url')}/${attachment.uuid}`;
+              dz.emit('addedfile', attachment);
+              dz.emit('thumbnail', attachment, imgSrc);
+              dz.emit('complete', attachment);
+              fileUuidDict[attachment.uuid] = {submitted: true};
+              dropzone.querySelector(`img[src='${imgSrc}']`).style.maxWidth = '100%';
+              const input = document.createElement('input');
+              input.id = attachment.uuid;
+              input.name = 'files';
+              input.type = 'hidden';
+              input.value = attachment.uuid;
+              dropzone.querySelector('.files').append(input);
+            }
+            if (!dropzone.querySelector('.dz-preview')) {
+              dropzone.classList.remove('dz-started');
+            }
+          } catch (error) {
+            console.error(error);
+          }
+        });
+      },
+    });
+    dz.emit('reload');
+    return dz;
+  };
+
+  const cancelAndReset = (e) => {
+    e.preventDefault();
+    showElem(renderContent);
+    hideElem(editContentZone);
+    comboMarkdownEditor.attachedDropzoneInst?.emit('reload');
+  };
+
+  const saveAndRefresh = async (e) => {
+    e.preventDefault();
+    showElem(renderContent);
+    hideElem(editContentZone);
+    const dropzoneInst = comboMarkdownEditor.attachedDropzoneInst;
+    try {
+      const params = new URLSearchParams({
+        content: comboMarkdownEditor.value(),
+        context: editContentZone.getAttribute('data-context'),
+      });
+      for (const fileInput of dropzoneInst?.element.querySelectorAll('.files [name=files]')) params.append('files[]', fileInput.value);
+
+      const response = await POST(editContentZone.getAttribute('data-update-url'), {data: params});
+      const data = await response.json();
+      if (!data.content) {
+        renderContent.innerHTML = document.getElementById('no-content').innerHTML;
+        rawContent.textContent = '';
+      } else {
+        renderContent.innerHTML = data.content;
+        rawContent.textContent = comboMarkdownEditor.value();
+        const refIssues = renderContent.querySelectorAll('p .ref-issue');
+        attachRefIssueContextPopup(refIssues);
+      }
+      const content = segment;
+      if (!content.querySelector('.dropzone-attachments')) {
+        if (data.attachments !== '') {
+          content.insertAdjacentHTML('beforeend', data.attachments);
+        }
+      } else if (data.attachments === '') {
+        content.querySelector('.dropzone-attachments').remove();
+      } else {
+        content.querySelector('.dropzone-attachments').outerHTML = data.attachments;
+      }
+      dropzoneInst?.emit('submit');
+      dropzoneInst?.emit('reload');
+      initMarkupContent();
+      initCommentContent();
+    } catch (error) {
+      console.error(error);
+    }
+  };
+
+  comboMarkdownEditor = getComboMarkdownEditor(editContentZone.querySelector('.combo-markdown-editor'));
+  if (!comboMarkdownEditor) {
+    editContentZone.innerHTML = document.getElementById('issue-comment-editor-template').innerHTML;
+    comboMarkdownEditor = await initComboMarkdownEditor(editContentZone.querySelector('.combo-markdown-editor'));
+    comboMarkdownEditor.attachedDropzoneInst = await setupDropzone(editContentZone.querySelector('.dropzone'));
+    editContentZone.querySelector('.cancel.button').addEventListener('click', cancelAndReset);
+    editContentZone.querySelector('.save.button').addEventListener('click', saveAndRefresh);
+  }
+
+  // Show write/preview tab and copy raw content as needed
+  showElem(editContentZone);
+  hideElem(renderContent);
+  if (!comboMarkdownEditor.value()) {
+    comboMarkdownEditor.value(rawContent.textContent);
+  }
+  comboMarkdownEditor.focus();
+}
+
+export function initRepoIssueCommentEdit() {
+  // Edit issue or comment content
+  $(document).on('click', '.edit-content', onEditContent);
+
+  // Quote reply
+  $(document).on('click', '.quote-reply', async function (event) {
+    event.preventDefault();
+    const target = $(this).data('target');
+    const quote = $(`#${target}`).text().replace(/\n/g, '\n> ');
+    const content = `> ${quote}\n\n`;
+    let editor;
+    if ($(this).hasClass('quote-reply-diff')) {
+      const $replyBtn = $(this).closest('.comment-code-cloud').find('button.comment-form-reply');
+      editor = await handleReply($replyBtn);
+    } else {
+      // for normal issue/comment page
+      editor = getComboMarkdownEditor($('#comment-form .combo-markdown-editor'));
+    }
+    if (editor) {
+      if (editor.value()) {
+        editor.value(`${editor.value()}\n\n${content}`);
+      } else {
+        editor.value(content);
+      }
+      editor.focus();
+      editor.moveCursorToEnd();
+    }
+  });
+}