init commit

assets/javascripts/discourse/initializers/url-to-article.js

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+import { apiInitializer } from "discourse/lib/api";
+import { debounce } from "@ember/runloop";
+import { ajax } from "discourse/lib/ajax";
+import I18n from "I18n";
+
+const URL_REGEX = /^(https?:\/\/[^\s/$.?#][^\s]*)$/i;
+const DEBOUNCE_MS = 600;
+
+export default apiInitializer("1.8.0", (api) => {
+  if (!api.container.lookup("site-settings:main").url_to_article_enabled) {
+    return;
+  }
+
+  // -----------------------------------------------------------------------
+  // Inject a helper button + status banner into the composer
+  // -----------------------------------------------------------------------
+  api.modifyClass("component:composer-editor", {
+    pluginId: "url-to-article",
+
+    didInsertElement() {
+      this._super(...arguments);
+      this._setupUrlToArticle();
+    },
+
+    willDestroyElement() {
+      this._super(...arguments);
+      this._teardownUrlToArticle();
+    },
+
+    _setupUrlToArticle() {
+      // Watch the title field — it lives outside the composer-editor DOM,
+      // so we observe via the composer model's `title` property.
+      const composer = this.get("composer");
+      if (!composer) return;
+
+      this._titleObserver = () => this._onTitleChanged();
+      composer.addObserver("model.title", this, "_titleObserver");
+    },
+
+    _teardownUrlToArticle() {
+      const composer = this.get("composer");
+      if (!composer) return;
+      composer.removeObserver("model.title", this, "_titleObserver");
+    },
+
+    _onTitleChanged() {
+      const title = this.get("composer.model.title") || "";
+      const match = title.trim().match(URL_REGEX);
+
+      if (!match) {
+        this._hideArticleBar();
+        return;
+      }
+
+      const url = match[1];
+
+      if (this._lastDetectedUrl === url) return; // Same URL — no-op
+      this._lastDetectedUrl = url;
+
+      const autoPopulate = api.container
+        .lookup("site-settings:main")
+        .url_to_article_auto_populate;
+
+      if (autoPopulate) {
+        debounce(this, "_fetchAndPopulate", url, DEBOUNCE_MS);
+      } else {
+        this._showArticleBar(url);
+      }
+    },
+
+    // ---- Bar UI -------------------------------------------------------
+
+    _showArticleBar(url) {
+      this._hideArticleBar(); // remove any existing bar first
+
+      const bar = document.createElement("div");
+      bar.className = "url-to-article-bar";
+      bar.dataset.url = url;
+      bar.innerHTML = `
+        <span class="url-to-article-icon">📄</span>
+        <span class="url-to-article-label">${I18n.t("url_to_article.bar_label")}</span>
+        <button class="btn btn-small btn-primary url-to-article-btn">
+          ${I18n.t("url_to_article.fetch_button")}
+        </button>
+        <button class="btn btn-small btn-flat url-to-article-dismiss" aria-label="${I18n.t("url_to_article.dismiss")}">✕</button>
+      `;
+
+      bar.querySelector(".url-to-article-btn").addEventListener("click", () => {
+        this._fetchAndPopulate(url);
+      });
+
+      bar.querySelector(".url-to-article-dismiss").addEventListener("click", () => {
+        this._hideArticleBar();
+        this._lastDetectedUrl = null; // Allow re-detection if title changes
+      });
+
+      const toolbarEl = this.element.querySelector(".d-editor-container");
+      if (toolbarEl) {
+        toolbarEl.insertAdjacentElement("afterbegin", bar);
+      }
+    },
+
+    _hideArticleBar() {
+      this.element?.querySelectorAll(".url-to-article-bar").forEach((el) => el.remove());
+    },
+
+    _setStatus(message, type = "info") {
+      const bar = this.element?.querySelector(".url-to-article-bar");
+      if (!bar) return;
+
+      let status = bar.querySelector(".url-to-article-status");
+      if (!status) {
+        status = document.createElement("span");
+        status.className = "url-to-article-status";
+        bar.appendChild(status);
+      }
+      status.textContent = message;
+      status.className = `url-to-article-status url-to-article-status--${type}`;
+    },
+
+    // ---- Fetch & populate ---------------------------------------------
+
+    async _fetchAndPopulate(url) {
+      const bar = this.element?.querySelector(".url-to-article-bar");
+      const btn = bar?.querySelector(".url-to-article-btn");
+
+      if (btn) {
+        btn.disabled = true;
+        btn.textContent = I18n.t("url_to_article.fetching");
+      }
+      this._setStatus(I18n.t("url_to_article.fetching"), "info");
+
+      try {
+        const data = await ajax("/url-to-article/extract", {
+          type: "POST",
+          data: { url },
+        });
+
+        if (data.error) {
+          throw new Error(data.error);
+        }
+
+        this._populateComposer(data);
+        this._setStatus(I18n.t("url_to_article.success"), "success");
+
+        // Auto-hide bar after 3 seconds on success
+        setTimeout(() => this._hideArticleBar(), 3000);
+      } catch (err) {
+        const msg = err.jqXHR?.responseJSON?.error || err.message || I18n.t("url_to_article.error_generic");
+        this._setStatus(`${I18n.t("url_to_article.error_prefix")} ${msg}`, "error");
+        if (btn) {
+          btn.disabled = false;
+          btn.textContent = I18n.t("url_to_article.retry_button");
+        }
+      }
+    },
+
+    _populateComposer(data) {
+      const composerModel = this.get("composer.model");
+      if (!composerModel) return;
+
+      // Build the article body in Markdown
+      const lines = [];
+
+      // Attribution header
+      const siteName = data.site_name ? `**${data.site_name}**` : "";
+      const byline = data.byline ? ` — *${data.byline}*` : "";
+      if (siteName || byline) {
+        lines.push(`> ${siteName}${byline}`);
+        lines.push(`> ${I18n.t("url_to_article.source_label")}: <${data.url}>`);
+        lines.push("");
+      } else {
+        lines.push(`> ${I18n.t("url_to_article.source_label")}: <${data.url}>`);
+        lines.push("");
+      }
+
+      if (data.description) {
+        lines.push(`*${data.description}*`);
+        lines.push("");
+        lines.push("---");
+        lines.push("");
+      }
+
+      lines.push(data.markdown || "");
+
+      const body = lines.join("\n");
+
+      // Only set title if it's still the raw URL (avoid overwriting edited titles)
+      const currentTitle = composerModel.get("title") || "";
+      if (currentTitle.trim() === data.url || currentTitle.trim() === "") {
+        composerModel.set("title", data.title || data.url);
+      }
+
+      composerModel.set("reply", body);
+    },
+  });
+});