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Copy pathIntentManager.ts
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235 lines (219 loc) · 6.13 KB
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import apiaiDeveloper from './apiaiDeveloper';
import { error } from '../../../lib/logger';
type buttonType = {
title: string,
} & ({
type: 'web_url',
url: string,
} | {
type: 'postback',
payload: string
});
type facebookMessageQuickReply = {
text: string,
quick_replies?: {
content_type: 'text',
title: string,
payload: string,
}[]
};
type facebookMessageAttachment = {
attachment: {
type: string,
payload: {
url?: string,
template_type?: string,
text?: string,
buttons: buttonType[]
elements?: {
title: string,
subtitle?: string,
image_url?: string,
buttons?: buttonType[]
}[]
}
}
};
type facebookMessage = facebookMessageQuickReply | facebookMessageAttachment;
type intentType = {
id: string,
name: string,
contextIn: string[]
};
export default class IntentManager {
private intents: intentType[];
public async createOrUpdate(
payload: string, response: any
): Promise<any> {
if (!this.intents) {
this.intents = JSON.parse(
await apiaiDeveloper.intents.getIntents()
);
}
let responseObj: facebookMessage[];
if (typeof response === 'string') {
responseObj = JSON.parse(response);
} else {
responseObj = response;
}
let buttons: any[] = [];
for (const singleResponse of responseObj) {
if (singleResponse.quick_replies) {
buttons = singleResponse.quick_replies;
}
if (singleResponse.attachment) {
if (singleResponse.attachment.payload) {
if (singleResponse.attachment.payload.buttons) {
buttons = singleResponse.attachment.payload.buttons;
} else if (singleResponse.attachment.payload.elements) {
if (singleResponse.attachment.payload.elements[0].buttons) {
buttons = singleResponse.attachment.payload.elements[0].buttons;
}
}
}
}
}
const intentNamePattern = new RegExp(`^${payload}_\\d+$`, 'i');
const targetIntents = this.intents.filter(
intent => intentNamePattern.test(intent.name)
);
const targetIntentsExtended = (await Promise.all(targetIntents.map(
intent => apiaiDeveloper.intents.getIntentById(intent.id)
))).map(
(intent) => {
const intentObj = JSON.parse(intent);
return {
intent: intentObj,
index: +intentObj.name.slice(payload.length + 1)
};
}
).sort((a, b) => a.index - b.index);
const actions: {
type: 'create' | 'update' | 'delete',
intent: { id?: string },
buttonTitle?: string,
userSays: string[],
buttonPayload?: string,
buttonIndex?: number
}[] = [];
buttons.forEach((button, buttonIndex) => {
const xIntent = targetIntentsExtended[0];
if (xIntent) {
if (xIntent.index === buttonIndex + 1) {
targetIntentsExtended.shift();
actions.push({
type: 'update',
intent: xIntent.intent,
buttonTitle: button.title,
userSays: button.user_says,
buttonPayload: button.payload,
buttonIndex
});
} else {
actions.push({
type: 'create',
intent: {},
buttonTitle: button.title,
userSays: button.user_says,
buttonPayload: button.payload,
buttonIndex
});
}
} else {
actions.push({
type: 'create',
intent: {},
buttonTitle: button.title,
userSays: button.user_says,
buttonPayload: button.payload,
buttonIndex
});
}
});
while (targetIntentsExtended.length) {
actions.push({
type: 'delete',
intent: targetIntentsExtended.shift().intent,
userSays: []
});
}
const actionPromises = actions.map((action) => {
let userSays = [];
if (!isNaN(action.buttonIndex)) {
if (action.buttonTitle) {
userSays.push(action.buttonTitle);
}
if (action.userSays) {
userSays = userSays.concat(action.userSays);
}
}
switch (action.type) {
case 'create':
return () => apiaiDeveloper.intents.postIntent(
{
name: `${payload}_${action.buttonIndex + 1}`,
auto: true,
contexts: [payload],
userSays: userSays.map(phrase => ({
data: [{ text: phrase }],
isTemplate: false,
count: 0
})),
responses: [
{
resetContexts: false,
action: 'facebook.binding',
affectedContexts: [],
parameters: [],
messages: [
{
type: 4,
payload: {
payload: action.buttonPayload
}
}
]
}
],
priority: 500000
}
);
case 'update':
const newIntent = action.intent;
newIntent.userSays = userSays.map(phrase => ({
data: [{ text: phrase }],
isTemplate: false,
count: 0
}));
newIntent.responses = [];
newIntent.responses.push({
resetContexts: false,
action: 'facebook.binding',
affectedContexts: [],
parameters: [],
messages: [
{
type: 4,
payload: {
payload: action.buttonPayload
}
}
]
});
return () => apiaiDeveloper.intents.putIntent(
action.intent.id, newIntent
);
case 'delete':
return () => apiaiDeveloper.intents.deleteIntent(action.intent.id);
}
});
try {
// MUST BE SEQUENTIAL in order to avoid intent name collisions
for (const action of actionPromises) {
await action();
}
} catch (e) {
error('Error while updating intents in Dialogflow', e);
}
}
}