import notion from "../../notion.app.mjs";
import sampleEmit from "./test-event.mjs";
import base from "../common/base.mjs";
import constants from "../common/constants.mjs";
import zlib from "zlib";
export default {
...base,
key: "notion-updated-page",
name: "Updated Page in Database",
description: "Emit new event when a page in a database is updated. To select a specific page, use `Updated Page ID` instead",
version: "0.1.3",
type: "source",
dedupe: "unique",
props: {
...base.props,
databaseId: {
propDefinition: [
notion,
"databaseId",
],
},
includeNewPages: {
type: "boolean",
label: "Include New Pages",
description: "Set to `true` to emit events when pages are created. Set to `false` to ignore new pages.",
default: true,
},
properties: {
propDefinition: [
notion,
"propertyTypes",
(c) => ({
parentId: c.databaseId,
parentType: "database",
}),
],
description: "Only emit events when one or more of the selected properties have changed",
optional: true,
},
},
hooks: {
async activate() {
console.log("Activating: fetching pages and properties");
this._setLastUpdatedTimestamp(Date.now());
const propertyValues = {};
const propertiesToCheck = await this._getPropertiesToCheck();
const params = this.lastUpdatedSortParam();
const pagesStream = this.notion.getPages(this.databaseId, params);
for await (const page of pagesStream) {
for (const propertyName of propertiesToCheck) {
const currentValue = this._maybeRemoveFileSubItems(page.properties[propertyName]);
propertyValues[page.id] = {
...propertyValues[page.id],
[propertyName]: currentValue,
};
}
}
this._setPropertyValues(propertyValues);
},
async deactivate() {
console.log("Deactivating: clearing states");
this._setLastUpdatedTimestamp(null);
},
},
methods: {
...base.methods,
_getLastUpdatedTimestamp() {
return this.db.get(constants.timestamps.LAST_EDITED_TIME);
},
_setLastUpdatedTimestamp(ts) {
this.db.set(constants.timestamps.LAST_EDITED_TIME, ts);
},
_getPropertyValues() {
const compressed = this.db.get("propertyValues");
const buffer = Buffer.from(compressed, "base64");
const decompressed = zlib.inflateSync(buffer).toString();
return JSON.parse(decompressed);
},
_setPropertyValues(propertyValues) {
const string = JSON.stringify(propertyValues);
const compressed = zlib.deflateSync(string).toString("base64");
this.db.set("propertyValues", compressed);
},
async _getPropertiesToCheck() {
if (this.properties?.length) {
return this.properties;
}
const { properties } = await this.notion.retrieveDatabase(this.databaseId);
return Object.keys(properties);
},
_maybeRemoveFileSubItems(property) {
if (property.type === "files") {
const modified = structuredClone(property);
for (const file of modified.files) {
if (file.type === "file") {
delete file.file;
}
}
return modified;
}
return property;
},
_generateMeta(obj, summary) {
const { id } = obj;
const title = this.notion.extractPageTitle(obj);
const ts = Date.now();
return {
id: `${id}-${ts}`,
summary: `${summary}: ${title}`,
ts,
};
},
_emitEvent(page, changes = [], isNewPage = true) {
const meta = isNewPage
? this._generateMeta(page, constants.summaries.PAGE_ADDED)
: this._generateMeta(page, constants.summaries.PAGE_UPDATED);
const event = {
page,
changes,
};
this.$emit(event, meta);
},
},
async run() {
const lastCheckedTimestamp = this._getLastUpdatedTimestamp();
const propertyValues = this._getPropertyValues();
if (!lastCheckedTimestamp) {
console.log("Awaiting restart completion: skipping execution");
return;
}
const params = {
...this.lastUpdatedSortParam(),
filter: {
timestamp: "last_edited_time",
last_edited_time: {
on_or_after: new Date(lastCheckedTimestamp).toISOString(),
},
},
};
let newLastUpdatedTimestamp = lastCheckedTimestamp;
const propertiesToCheck = await this._getPropertiesToCheck();
const pagesStream = this.notion.getPages(this.databaseId, params);
for await (const page of pagesStream) {
const changes = [];
let isNewPage = false;
let propertyHasChanged = false;
newLastUpdatedTimestamp = Math.max(
newLastUpdatedTimestamp,
Date.parse(page.last_edited_time),
);
if (lastCheckedTimestamp > Date.parse(page.last_edited_time)) {
break;
}
for (const propertyName of propertiesToCheck) {
const previousValue = structuredClone(propertyValues[page.id]?.[propertyName]);
const currentValueToSave = this._maybeRemoveFileSubItems(page.properties[propertyName]);
const currentValueToEmit = page.properties[propertyName];
const pageExistsInDB = propertyValues[page.id] != null;
const propertyChanged =
JSON.stringify(previousValue) !== JSON.stringify(currentValueToSave);
if (pageExistsInDB && propertyChanged) {
propertyHasChanged = true;
propertyValues[page.id] = {
...propertyValues[page.id],
[propertyName]: currentValueToSave,
};
changes.push({
property: propertyName,
previousValue,
currentValue: currentValueToEmit,
});
}
if (!pageExistsInDB) {
isNewPage = true;
propertyHasChanged = true;
propertyValues[page.id] = {
[propertyName]: currentValueToSave,
};
changes.push({
property: propertyName,
previousValue,
currentValue: currentValueToEmit,
});
}
}
if (isNewPage && !this.includeNewPages) {
console.log(`Ignoring new page: ${page.id}`);
continue;
}
if (propertyHasChanged) {
this._emitEvent(page, changes, isNewPage);
}
}
this._setLastUpdatedTimestamp(newLastUpdatedTimestamp);
this._setPropertyValues(propertyValues);
},
sampleEmit,
};
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