Datasets:
File size: 1,555 Bytes
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import { ObjectId, type WithId } from "mongodb";
import { collections } from "$lib/server/database";
import type { Migration } from ".";
import type { Conversation } from "$lib/types/Conversation";
import type { MessageFile } from "$lib/types/Message";
const updateMessageFiles: Migration = {
_id: new ObjectId("5f9f5f5f5f5f5f5f5f5f5f5f"),
name: "Convert message files to the new schema",
up: async () => {
const allConversations = collections.conversations.find({}, { projection: { messages: 1 } });
let conversation: WithId<Pick<Conversation, "messages">> | null = null;
while ((conversation = await allConversations.tryNext())) {
const messages = conversation.messages.map((message) => {
const files = (message.files as string[] | undefined)?.map<MessageFile>((file) => {
// File is already in the new format
if (typeof file !== "string") return file;
// File was a hash pointing to a file in the bucket
if (file.length === 64) {
return {
type: "hash",
name: "unknown.jpg",
value: file,
mime: "image/jpeg",
};
}
// File was a base64 string
else {
return {
type: "base64",
name: "unknown.jpg",
value: file,
mime: "image/jpeg",
};
}
});
return {
...message,
files,
};
});
// Set the new messages array
await collections.conversations.updateOne({ _id: conversation._id }, { $set: { messages } });
}
return true;
},
runEveryTime: false,
};
export default updateMessageFiles;
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