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import type { Result } from "../result";
import type LilbeePlugin from "../main";
import type { CatalogEntry, ModelTask, SetModelResponse } from "../types";
import { CATALOG_SOURCE, HOSTED_SOURCES, KEY_STATUS, MODEL_TASK } from "../types";
import { MESSAGES } from "../locales/en";
import {
catalogThroughHosted,
deepLinkToApiKeySettings,
groupByProvider,
hasReadyHostedRow,
hostedRowsOnly,
localRowsOnly,
renderKeyStatusPill,
renderProviderPill,
} from "./catalog-helpers";
import { applyEmbeddingModel } from "../utils/reindex";
import { renderPill, PILL_CLS } from "../components/pill";
import { renderFitChip } from "../components/fit-chip";
import { tagModalChrome } from "../utils";
const SEARCH_DEBOUNCE_MS = 100;
const PAGE_SIZE = 50;
// A model set right after a pull can hit the server mid worker-reload and
// return a transient error even though the model is applied. Retry the
// (idempotent) set a few times before surfacing a failure.
export const SET_MODEL_RETRIES = 4;
export const SET_MODEL_RETRY_MS = 600;
export type PickerScope = typeof MODEL_TASK.CHAT | typeof MODEL_TASK.EMBEDDING;
export class ModelPickerModal extends Modal {
private plugin: LilbeePlugin;
private pickerScope: PickerScope;
private allRows: CatalogEntry[] = [];
private filteredRows: CatalogEntry[] = [];
private filterText = "";
private searchInputEl: HTMLInputElement | null = null;
private listEl: HTMLElement | null = null;
private highlightedIndex = 0;
private filterTimer: number | null = null;
constructor(app: App, plugin: LilbeePlugin, pickerScope: PickerScope) {
super(app);
this.plugin = plugin;
this.pickerScope = pickerScope;
tagModalChrome(this);
}
onOpen(): void {
const { contentEl } = this;
contentEl.empty();
contentEl.addClass("lilbee-model-picker-modal");
contentEl.createEl("h2", {
text:
this.pickerScope === MODEL_TASK.CHAT
? MESSAGES.MODEL_PICKER_TITLE_CHAT
: MESSAGES.MODEL_PICKER_TITLE_EMBED,
});
this.renderSearchInput(contentEl);
this.listEl = contentEl.createDiv({ cls: "lilbee-model-picker-list" });
this.registerKeyHandlers();
void this.fetchAndRender();
}
onClose(): void {
if (this.filterTimer !== null) window.clearTimeout(this.filterTimer);
}
private renderSearchInput(parent: HTMLElement): void {
const wrap = parent.createDiv({ cls: "lilbee-model-picker-search" });
this.searchInputEl = wrap.createEl("input", {
cls: "lilbee-model-picker-search-input",
attr: { type: "text" },
placeholder: MESSAGES.MODEL_PICKER_SEARCH_PLACEHOLDER,
});
this.searchInputEl.addEventListener("input", () => {
/* v8 ignore next */
const value = this.searchInputEl?.value ?? "";
if (this.filterTimer !== null) window.clearTimeout(this.filterTimer);
this.filterTimer = window.setTimeout(() => {
this.filterText = value;
this.applyFilterAndRender();
}, SEARCH_DEBOUNCE_MS);
});
window.setTimeout(() => this.searchInputEl?.focus(), 0);
}
private registerKeyHandlers(): void {
const scope = (
this as { scope?: { register: (mods: string[] | null, key: string, cb: () => unknown) => unknown } }
).scope;
/* v8 ignore next */
if (!scope || typeof scope.register !== "function") return;
scope.register([], "Enter", () => this.activateHighlighted());
scope.register([], "Escape", () => {
this.close();
return false;
});
scope.register([], "ArrowDown", () => {
this.moveHighlight(1);
return false;
});
scope.register([], "ArrowUp", () => {
this.moveHighlight(-1);
return false;
});
}
private moveHighlight(delta: number): void {
if (this.filteredRows.length === 0) return;
this.highlightedIndex = (this.highlightedIndex + delta + this.filteredRows.length) % this.filteredRows.length;
this.repaintHighlight();
}
private repaintHighlight(): void {
/* v8 ignore next */
if (!this.listEl) return;
const rows = this.listEl.querySelectorAll(".lilbee-model-picker-row");
for (let i = 0; i < rows.length; i++) {
rows[i].toggleClass("lilbee-model-picker-row-highlighted", i === this.highlightedIndex);
}
}
private activateHighlighted(): void {
const row = this.filteredRows[this.highlightedIndex];
/* v8 ignore next */
if (!row) return;
void this.activateRow(row);
}
private async fetchAndRender(): Promise<void> {
const taskFilter: ModelTask = this.pickerScope;
const result = await catalogThroughHosted(this.plugin.api, { task: taskFilter, limit: PAGE_SIZE });
if (result.isErr()) {
new Notice(MESSAGES.ERROR_LOAD_CATALOG);
return;
}
// Defensive client-side filter: if the server returns rows whose
// declared task doesn't match what we asked for (older builds, or
// frontier providers tagged loosely), drop them so the chat picker
// never shows embedding/vision/rerank models and vice versa.
this.allRows = result.value.filter((m) => m.task === taskFilter);
this.applyFilterAndRender();
}
private applyFilterAndRender(): void {
const local = localRowsOnly(this.allRows);
const hosted = hasReadyHostedRow(this.allRows) ? hostedRowsOnly(this.allRows) : [];
const visible = [...local, ...hosted];
this.filteredRows = filterRowsByText(visible, this.filterText);
this.highlightedIndex = 0;
this.renderList();
}
private renderList(): void {
/* v8 ignore next */
if (!this.listEl) return;
this.listEl.empty();
if (this.filteredRows.length === 0) {
this.listEl.createDiv({ cls: "lilbee-model-picker-empty", text: MESSAGES.MODEL_PICKER_EMPTY });
return;
}
const local = this.filteredRows.filter((r) => !HOSTED_SOURCES.has(r.source));
const hosted = this.filteredRows.filter((r) => HOSTED_SOURCES.has(r.source));
if (local.length > 0) {
this.listEl.createDiv({
cls: "lilbee-model-picker-section-header",
text: MESSAGES.MODEL_PICKER_LOCAL_HEADING,
});
for (const row of local) this.renderRow(this.listEl, row);
}
for (const [provider, group] of groupByProvider(hosted)) {
this.listEl.createDiv({ cls: "lilbee-model-picker-section-header", text: provider });
for (const row of group) this.renderRow(this.listEl, row);
}
this.repaintHighlight();
}
private renderRow(parent: HTMLElement, row: CatalogEntry): void {
const rowEl = parent.createDiv({ cls: "lilbee-model-picker-row" });
const nameRow = rowEl.createDiv({ cls: "lilbee-model-picker-row-name" });
nameRow.createSpan({ text: row.display_name, cls: "lilbee-model-picker-row-display" });
if (row.installed) {
renderPill(nameRow, MESSAGES.LABEL_INSTALLED, PILL_CLS.INSTALLED);
}
renderFitChip(nameRow, row.fit);
if (HOSTED_SOURCES.has(row.source)) {
/* v8 ignore next */
const provider = row.provider ?? "";
renderProviderPill(nameRow, provider);
// Local servers (Ollama, LM Studio) need no API key — provider pill only.
if (row.source === CATALOG_SOURCE.FRONTIER) {
renderKeyStatusPill(nameRow, row.key_status ?? KEY_STATUS.MISSING_KEY);
}
}
if (row.size_gb > 0) {
rowEl.createDiv({
cls: "lilbee-model-picker-row-meta",
text: `${row.size_gb} GB${row.quality_tier ? ` · ${row.quality_tier}` : ""}`,
});
}
rowEl.addEventListener("click", () => {
void this.activateRow(row);
});
}
private async activateRow(row: CatalogEntry): Promise<void> {
if (row.source === CATALOG_SOURCE.FRONTIER) {
/* v8 ignore next */
const keyStatus = row.key_status ?? KEY_STATUS.MISSING_KEY;
if (keyStatus === KEY_STATUS.MISSING_KEY) {
/* v8 ignore next */
const provider = row.provider ?? "";
this.close();
deepLinkToApiKeySettings(this.app, provider);
return;
}
}
const result = await this.setActiveModelWithRetry(row.hf_repo);
if (result.isErr()) {
new Notice(MESSAGES.ERROR_SET_MODEL.replace("{model}", row.hf_repo));
return;
}
if (this.pickerScope === MODEL_TASK.CHAT) this.plugin.activeModel = row.hf_repo;
void this.plugin.fetchActiveModel();
this.plugin.refreshSettingsTab();
new Notice(MESSAGES.NOTICE_MODEL_ACTIVATED(row.display_name));
this.close();
}
/**
* Set the model, retrying on error. A set issued right after a pull can
* reach the server mid worker-reload and return a transient error even
* though the model is applied; the PUT is idempotent, so retry a few times
* before reporting failure. A successful retry also confirms the model
* took, so a transient not-ready response no longer surfaces as "Failed to
* set" while the model quietly activates.
*/
private async setActiveModelWithRetry(repo: string): Promise<Result<SetModelResponse, Error>> {
const set = (m: string): Promise<Result<SetModelResponse, Error>> =>
this.pickerScope === MODEL_TASK.CHAT
? this.plugin.api.setChatModel(m)
: applyEmbeddingModel(this.plugin, m);
let result = await set(repo);
for (let attempt = 0; attempt < SET_MODEL_RETRIES && result.isErr(); attempt++) {
await new Promise((resolve) => window.setTimeout(resolve, SET_MODEL_RETRY_MS));
result = await set(repo);
}
return result;
}
}
export function filterRowsByText(rows: CatalogEntry[], text: string): CatalogEntry[] {
const trimmed = text.trim().toLowerCase();
if (trimmed === "") return rows;
return rows.filter((r) => r.display_name.toLowerCase().includes(trimmed));
}
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