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format.ts
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format.ts
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import { SolaGroup } from "./types.ts";
import {
Event,
EventMessage,
// EventSites,
HostInfo,
// RecurringEvent,
} from "./types.ts";
import { markdownv2 as format } from "https://deno.land/x/telegram_format@v3.1.0/mod.ts";
export function formatEvent(event: Event, groupName: string): EventMessage {
const {
title,
start_time,
end_time,
location,
meeting_url,
host_info,
timezone,
id,
} = event;
const formattedTitle = format.bold(format.escape(title));
const formattedTime = formatTime(
start_time,
end_time,
timezone,
);
const formattedLocation = location || "";
const formattedMeetingUrl = meeting_url || "";
const hostInfo = parseHostInfo(host_info);
const formattedHostInfo = formatHostInfo(hostInfo);
const eventDetail = `https://${groupName}.sola.day/event/detail/${id}`;
const caption = [
`${formattedTitle}`,
`${format.bold("Time:")} ${format.escape(formattedTime)}`,
formattedLocation
? `${format.bold("Location:")} ${format.escape(formattedLocation)}`
: "",
formattedMeetingUrl
? `${format.bold("Meeting URL:")} ${format.escape(formattedMeetingUrl)}`
: "",
formattedHostInfo,
`${format.escape(eventDetail)}`,
].filter((line) => line.trim()).join("\n");
return {
image: null,
caption,
};
}
function formatTime(
startTime: string,
endTime: string,
timezone: string | null,
) {
const timeZone = timezone || "UTC";
const baseOptions: Intl.DateTimeFormatOptions = {
hour: "numeric",
minute: "2-digit",
month: "short",
day: "numeric",
timeZone,
};
const now = new Date();
const start = new Date(`${startTime}Z`);
const end = new Date(`${endTime}Z`);
const startTz = new Date(
start.toLocaleString("en-US", { timeZone }),
);
const endTz = new Date(end.toLocaleString("en-US", { timeZone }));
const startOptions: Intl.DateTimeFormatOptions = {
...baseOptions,
year: startTz.getFullYear() !== now.getFullYear() ? "numeric" : undefined,
};
const endOptions: Intl.DateTimeFormatOptions = {
...baseOptions,
year: endTz.getFullYear() !== now.getFullYear() ||
endTz.getFullYear() !== startTz.getFullYear()
? "numeric"
: undefined,
timeZoneName: "short",
};
return `${start.toLocaleString("en-US", startOptions)} - ${
end.toLocaleString("en-US", endOptions)
}`;
}
function parseHostInfo(hostInfoString: string | null): HostInfo | null {
try {
return hostInfoString ? JSON.parse(hostInfoString) : null;
} catch (error) {
console.error("Error parsing host_info:", error);
return null;
}
}
function formatHostInfo(hostInfo: HostInfo | null): string {
if (!hostInfo) {
return "";
}
const formattedHosts = [];
if (hostInfo.group_host?.nickname) {
formattedHosts.push(
`${format.bold("Host:")} ${format.escape(hostInfo.group_host.nickname)}`,
);
}
if (Array.isArray(hostInfo.co_host) && hostInfo.co_host.length > 0) {
const coHosts = hostInfo.co_host.map((coHost) =>
format.escape(coHost.username)
).join(", ");
formattedHosts.push(
`${format.bold(format.escape("Co-hosts:"))} ${format.escape(coHosts)}`,
);
}
if (Array.isArray(hostInfo.speaker) && hostInfo.speaker.length > 0) {
const speakers = hostInfo.speaker.map((speaker) =>
format.escape(speaker.username)
).join(", ");
formattedHosts.push(
`${format.bold("Speakers:")} ${format.escape(speakers)}`,
);
}
return formattedHosts.length > 0 ? `${formattedHosts.join("\n")}` : "";
}
export function getGroupIdCounts(groupIds: number[]): Map<number, number> {
const groupIdCounts = new Map<number, number>();
for (const groupId of groupIds) {
const count = groupIdCounts.get(groupId) || 0;
groupIdCounts.set(groupId, count + 1);
}
return groupIdCounts;
}
export function formatGroups(
groups: SolaGroup[],
): string {
let formattedOutput = "<b>Groups:</b>\n\n";
for (const group of groups) {
formattedOutput += `📦 <b>Group ID:</b> ${group.id}`;
if (group.name) {
formattedOutput += ` | <b>Group Name:</b> ${group.name}`;
}
formattedOutput += ` | <b>Count:</b> ${group.events_count}\n`;
}
return formattedOutput;
}
export function parseGroupId(
rawGroupId: string | undefined,
): number | undefined {
if (rawGroupId) {
try {
return parseInt(rawGroupId);
} catch (error) {
console.error(`❌ Invalid group ID: ${error}`);
}
}
return undefined;
}