discourse-ai/assets/javascripts/discourse/connectors/after-d-editor/ai-helper-context-menu.js

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import Component from "@glimmer/component";
import { action } from "@ember/object";
import { afterRender, bind, debounce } from "discourse-common/utils/decorators";
import { tracked } from "@glimmer/tracking";
import { INPUT_DELAY } from "discourse-common/config/environment";
import { ajax } from "discourse/lib/ajax";
import { popupAjaxError } from "discourse/lib/ajax-error";
import { createPopper } from "@popperjs/core";
import { caretPosition, getCaretPosition } from "discourse/lib/utilities";
import discourseLater from "discourse-common/lib/later";
import { inject as service } from "@ember/service";
export default class AiHelperContextMenu extends Component {
static shouldRender(outletArgs, helper) {
const helperEnabled =
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helper.siteSettings.discourse_ai_enabled &&
helper.siteSettings.composer_ai_helper_enabled;
const allowedGroups = helper.siteSettings.ai_helper_allowed_groups
.split("|")
.map((id) => parseInt(id, 10));
const canUseAssistant = helper.currentUser?.groups.some((g) =>
allowedGroups.includes(g.id)
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);
const canShowInPM = helper.siteSettings.ai_helper_allowed_in_pm;
if (outletArgs?.composer?.privateMessage) {
return helperEnabled && canUseAssistant && canShowInPM;
}
return helperEnabled && canUseAssistant;
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}
@service siteSettings;
@tracked helperOptions = [];
@tracked showContextMenu = false;
@tracked menuState = this.CONTEXT_MENU_STATES.triggers;
@tracked caretCoords;
@tracked virtualElement;
@tracked selectedText = "";
@tracked loading = false;
@tracked oldEditorValue;
@tracked generatedTitleSuggestions = [];
@tracked lastUsedOption = null;
CONTEXT_MENU_STATES = {
triggers: "TRIGGERS",
options: "OPTIONS",
resets: "RESETS",
loading: "LOADING",
suggesions: "SUGGESTIONS",
};
prompts = [];
promptTypes = {};
@tracked _popper;
@tracked _dEditorInput;
@tracked _contextMenu;
willDestroy() {
super.willDestroy(...arguments);
document.removeEventListener("selectionchange", this.selectionChanged);
this._popper?.destroy();
}
async loadPrompts() {
let prompts = await ajax("/discourse-ai/ai-helper/prompts");
prompts.map((p) => {
this.prompts[p.id] = p;
});
this.promptTypes = prompts.reduce((memo, p) => {
memo[p.name] = p.prompt_type;
return memo;
}, {});
this.helperOptions = prompts.map((p) => {
return {
name: p.translated_name,
value: p.id,
};
});
}
@bind
selectionChanged(event) {
if (!event.target.activeElement.classList.contains("d-editor-input")) {
return;
}
if (window.getSelection().toString().length === 0) {
if (this.loading) {
// prevent accidentally closing context menu while results loading
return;
}
this.closeContextMenu();
return;
}
this.selectedText = event.target.getSelection().toString();
this._onSelectionChanged();
}
@bind
updatePosition() {
if (!this.showContextMenu) {
return;
}
this.positionContextMenu();
}
@debounce(INPUT_DELAY)
_onSelectionChanged() {
this.positionContextMenu();
this.showContextMenu = true;
}
generateGetBoundingClientRect(width = 0, height = 0, x = 0, y = 0) {
return () => ({
width,
height,
top: y,
right: x,
bottom: y,
left: x,
});
}
closeContextMenu() {
this.showContextMenu = false;
this.menuState = this.CONTEXT_MENU_STATES.triggers;
}
_updateSuggestedByAI(data) {
const composer = this.args.outletArgs.composer;
this.oldEditorValue = this._dEditorInput.value;
const newValue = this.oldEditorValue.replace(
this.selectedText,
data.suggestions[0]
);
composer.set("reply", newValue);
this.menuState = this.CONTEXT_MENU_STATES.resets;
}
@afterRender
positionContextMenu() {
this._contextMenu = document.querySelector(".ai-helper-context-menu");
this.caretCoords = getCaretPosition(this._dEditorInput, {
pos: caretPosition(this._dEditorInput),
});
this.virtualElement = {
getBoundingClientRect: this.generateGetBoundingClientRect(
this._contextMenu.clientWidth,
this._contextMenu.clientHeight,
this.caretCoords.x,
this.caretCoords.y
),
};
this._popper = createPopper(this.virtualElement, this._contextMenu, {
placement: "top-start",
modifiers: [
{
name: "offset",
options: {
offset: [10, 0],
},
},
],
});
}
@action
setupContextMenu() {
document.addEventListener("selectionchange", this.selectionChanged);
this._dEditorInput = document.querySelector(".d-editor-input");
if (this._dEditorInput) {
this._dEditorInput.addEventListener("scroll", this.updatePosition);
}
}
@action
toggleAiHelperOptions() {
// Fetch prompts only if it hasn't been fetched yet
if (this.helperOptions.length === 0) {
this.loadPrompts();
}
this.menuState = this.CONTEXT_MENU_STATES.options;
}
@action
undoAIAction() {
const composer = this.args.outletArgs.composer;
composer.set("reply", this.oldEditorValue);
this.closeContextMenu();
}
@action
async updateSelected(option) {
this.loading = true;
this.lastUsedOption = option;
this._dEditorInput.classList.add("loading");
this.menuState = this.CONTEXT_MENU_STATES.loading;
return ajax("/discourse-ai/ai-helper/suggest", {
method: "POST",
data: { mode: option, text: this.selectedText },
})
.then((data) => {
if (this.prompts[option].name === "generate_titles") {
this.menuState = this.CONTEXT_MENU_STATES.suggestions;
this.generatedTitleSuggestions = data.suggestions;
} else {
this._updateSuggestedByAI(data);
}
})
.catch(popupAjaxError)
.finally(() => {
this.loading = false;
this._dEditorInput.classList.remove("loading");
// Make reset options disappear by closing the context menu after 5 seconds
if (this.menuState === this.CONTEXT_MENU_STATES.resets) {
discourseLater(() => {
this.closeContextMenu();
}, 5000);
}
});
}
@action
updateTopicTitle(title) {
const composer = this.args.outletArgs?.composer;
if (composer) {
composer.set("title", title);
this.closeContextMenu();
}
}
}