feat(frontend): wire metadata editor Alpine component in book-detail.ts

Replace placeholder toast with full metadata editor Alpine data component:
- Modal show/hide (showMetadataEditor, hideMetadataEditor)
- Accordion section toggle
- Cover upload via FileReader preview
- Cover generation via dynamic cover-generator import
- Cover removal with placeholder fallback
- saveMetadata(): collects form data, sends PUT as JSON or multipart
  depending on whether a cover file is present
- Back button fix: skip overwriting sessionStorage back URL when
  referrer is the current page (preserves navigation after page reload)
This commit is contained in:
2026-05-10 11:53:50 -04:00
parent 0680e051c2
commit 65c08fb523
+270 -31
View File
@@ -1,56 +1,295 @@
import { Alpine } from "./alpine";
import { showToast } from "./toast";
import { generateCoverBlob } from "./cover-generator";
function getMediaId(): string {
const parts = window.location.pathname.split("/");
return parts[parts.length - 1] || "";
}
function getAuthHeader(): string {
const token = localStorage.getItem("token");
return token ? `Bearer ${token}` : "";
}
function showProgressSyncModal(): void {
const modal = document.getElementById("progress-sync-modal");
if (modal) modal.classList.remove("hidden");
}
function showNotesModal(): void {
const modal = document.getElementById("notes-modal");
if (modal) modal.classList.remove("hidden");
}
function hideProgressSyncModal(): void {
const modal = document.getElementById("progress-sync-modal");
if (modal) modal.classList.add("hidden");
}
function hideNotesModal(): void {
const modal = document.getElementById("notes-modal");
if (modal) modal.classList.add("hidden");
}
function showReaderPlaceholder(): void {
showToast("Ebook reader coming soon!", "info");
}
function showMetadataEditorPlaceholder(): void {
showToast("Metadata editor coming soon!", "info");
function showMetadataEditor(): void {
const modal = document.getElementById("metadata-editor-modal");
if (modal) modal.classList.remove("hidden");
}
function showProgressSyncModal(): void {
const modal = document.getElementById("progress-sync-modal");
if (modal) {
modal.classList.remove("hidden");
}
function hideMetadataEditor(): void {
const modal = document.getElementById("metadata-editor-modal");
if (modal) modal.classList.add("hidden");
}
function showNotesModal(): void {
const modal = document.getElementById("notes-modal");
if (modal) {
modal.classList.remove("hidden");
}
}
function collectFormData(): Record<string, unknown> {
const modal = document.getElementById("metadata-editor-modal");
if (!modal) return {};
function hideProgressSyncModal(): void {
const modal = document.getElementById("progress-sync-modal");
if (modal) {
modal.classList.add("hidden");
const data: Record<string, unknown> = {};
const inputs = modal.querySelectorAll<HTMLInputElement | HTMLTextAreaElement | HTMLSelectElement>(
"input[name], textarea[name], select[name]",
);
for (const el of inputs) {
if (el.type === "number") {
const val = parseFloat(el.value);
data[el.name] = isNaN(val) ? 0 : val;
} else if (el.type === "checkbox") {
data[el.name] = (el as HTMLInputElement).checked;
} else {
data[el.name] = el.value;
}
}
}
function hideNotesModal(): void {
const modal = document.getElementById("notes-modal");
if (modal) {
modal.classList.add("hidden");
const tagsStr = data.tags as string;
if (typeof tagsStr === "string") {
data.tags = tagsStr
.split(",")
.map((t: string) => t.trim())
.filter(Boolean);
}
const contribStr = data.contributors as string;
if (typeof contribStr === "string") {
data.contributors = contribStr
.split(",")
.map((c: string) => c.trim())
.filter(Boolean);
}
return data;
}
export {
showReaderPlaceholder,
showMetadataEditorPlaceholder,
showMetadataEditor,
showProgressSyncModal,
showNotesModal,
hideProgressSyncModal,
hideNotesModal,
};
Alpine.data("bookDetail", () => ({
showReaderPlaceholder,
showMetadataEditorPlaceholder,
showProgressSyncModal,
showNotesModal,
hideProgressSyncModal,
hideNotesModal,
}));
interface MetadataEditorState {
openSections: Record<string, boolean>;
coverGenerating: boolean;
hasExistingCover: boolean;
newCoverPreview: string;
coverFile: Blob | null;
coverAction: string;
saving: boolean;
toggleSection(section: string): void;
showMetadataEditor(): void;
hideMetadataEditor(): void;
handleCoverUpload(event: Event): void;
generateCover(): Promise<void>;
removeCover(): void;
saveMetadata(): Promise<void>;
}
Alpine.data("bookDetail", () => {
const coverImg = document.querySelector(
"#metadata-editor-modal img#metadata-cover-preview",
) as HTMLImageElement | null;
const hasCover =
coverImg?.src &&
!coverImg.src.includes("placeholder-book.svg");
const coverPreviewEl = document.querySelector(
".aspect-\\[2\\/3\\] img",
) as HTMLImageElement | null;
const coverSrc = coverPreviewEl?.src || "";
const fileUrl = coverSrc && !coverSrc.includes("placeholder") ? coverSrc : "";
return {
openSections: { basic: true } as Record<string, boolean>,
coverGenerating: false,
hasExistingCover: !!hasCover,
newCoverPreview: "",
coverFile: null as Blob | null,
coverAction: "keep",
saving: false,
showReaderPlaceholder,
showMetadataEditor,
hideMetadataEditor,
showNotesModal,
showProgressSyncModal,
hideProgressSyncModal,
hideNotesModal,
init() {
const link = document.getElementById("back-link");
if (!link) return;
const storageKey = "book_detail_back";
if (document.referrer) {
try {
const ref = new URL(document.referrer);
if (
ref.origin === window.location.origin &&
!ref.pathname.startsWith("/readers/") &&
ref.pathname !== window.location.pathname
) {
sessionStorage.setItem(storageKey, ref.pathname + ref.search);
}
} catch {}
} else {
sessionStorage.removeItem(storageKey);
}
const backUrl = sessionStorage.getItem(storageKey) || "/dashboard";
link.addEventListener("click", (e: Event) => {
e.preventDefault();
sessionStorage.removeItem(storageKey);
window.location.href = backUrl;
});
},
toggleSection(section: string) {
this.openSections[section] = !this.openSections[section];
},
handleCoverUpload(event: Event) {
const input = event.target as HTMLInputElement;
const file = input.files?.[0];
if (!file) return;
this.coverFile = file;
this.coverAction = "upload";
const reader = new FileReader();
reader.onload = (e) => {
const preview = document.getElementById(
"metadata-cover-preview",
) as HTMLImageElement;
if (preview && e.target?.result) {
preview.src = e.target.result as string;
}
this.newCoverPreview = e.target?.result as string;
};
reader.readAsDataURL(file);
},
async generateCover() {
this.coverGenerating = true;
try {
const formatGroup =
document
.querySelector('[data-format-group]')
?.getAttribute("data-format-group") || "reflowable";
const blob = await generateCoverBlob(fileUrl, formatGroup);
if (!blob) return;
this.coverFile = blob;
this.coverAction = "upload";
const preview = document.getElementById(
"metadata-cover-preview",
) as HTMLImageElement;
if (preview) {
preview.src = URL.createObjectURL(blob);
}
this.newCoverPreview = URL.createObjectURL(blob);
showToast("Cover generated successfully", "success");
} finally {
this.coverGenerating = false;
}
},
removeCover() {
this.coverAction = "remove";
this.coverFile = null;
this.newCoverPreview = "";
const preview = document.getElementById(
"metadata-cover-preview",
) as HTMLImageElement;
if (preview) {
preview.src = "/static/placeholder-book.svg";
}
},
async saveMetadata() {
if (this.saving) return;
this.saving = true;
try {
const mediaId = getMediaId();
const formData = collectFormData();
formData.cover_action = this.coverAction;
if (this.coverFile) {
const fd = new FormData();
for (const [key, value] of Object.entries(formData)) {
if (Array.isArray(value)) {
fd.append(key, JSON.stringify(value));
} else if (typeof value === "boolean") {
fd.append(key, value ? "true" : "false");
} else {
fd.append(key, String(value));
}
}
fd.append("cover_file", this.coverFile, "cover.jpg");
const resp = await fetch(`/api/media-items/${mediaId}`, {
method: "PUT",
headers: { Authorization: getAuthHeader() },
body: fd,
});
if (!resp.ok) {
const err = await resp.json().catch(() => ({}));
throw new Error(err.error || "Failed to save metadata");
}
} else {
const resp = await fetch(`/api/media-items/${mediaId}`, {
method: "PUT",
headers: {
Authorization: getAuthHeader(),
"Content-Type": "application/json",
},
body: JSON.stringify(formData),
});
if (!resp.ok) {
const err = await resp.json().catch(() => ({}));
throw new Error(err.error || "Failed to save metadata");
}
}
hideMetadataEditor();
showToast("Metadata saved successfully", "success");
setTimeout(() => window.location.reload(), 500);
} catch (e) {
showToast(
e instanceof Error ? e.message : "Failed to save metadata",
"error",
);
} finally {
this.saving = false;
}
},
} as MetadataEditorState;
});