82 lines
3 KiB
JavaScript
82 lines
3 KiB
JavaScript
export class pagesToPlaintext1659335999000 {
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name = 'pagesToPlaintext1659335999000'
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async up(queryRunner) {
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await queryRunner.query(`ALTER TABLE "page" ADD "text" text`);
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async function noteUrl(noteId) {
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const note = await queryRunner.query(`SELECT "uri", "userHost" FROM "note" WHERE "id" = $1`, [noteId]);
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if (note.uri) return note.uri;
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// don't really have access to the configuration here so just guess
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else return `https://${note.userHost}/notes/${noteId}`;
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}
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async function fileUrl(fileId) {
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const file = await queryRunner.query(`SELECT "url" from "drive_file" WHERE "id" = $1`, [fileId]);
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return file.url;
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}
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async function convertBlock(block) {
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switch (block.type) {
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case 'note':
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if (block.note) return await noteUrl(block.note);
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else break;
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case 'section':
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return (await Promise.all(block.children.map(convertBlock))).join('\n');
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case 'text':
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return block.text;
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case 'textarea':
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return '```\n' + block.text + '```';
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case 'image':
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if (block.fileId) return ' + ')';
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else break;
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case 'if': // no idea how to convert these
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case 'post': // new note form, why?
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case 'canvas': // there is some aiscript api for these but dont think anyone ever used it
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// interactive elements can also not be converted
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case 'button':
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case 'numberInput':
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case 'textInput':
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case 'switch':
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case 'radioButton':
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case 'counter':
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break;
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}
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return `(There was a/an ${block.type} here in a previous version but it is no longer supported.)`;
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}
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await queryRunner.query(`SELECT id, "content" FROM "page"`)
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.then(pages => Promise.all(pages.map(page => {
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return Promise.all(page.content.map(convertBlock))
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.then(texts => {
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queryRunner.query(`UPDATE "page" SET "text" = $1 WHERE "id" = $2`, [texts.join('\n'), page.id]);
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});
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})));
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await queryRunner.query(`ALTER TABLE "page" DROP COLUMN "content"`);
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await queryRunner.query(`ALTER TABLE "page" DROP COLUMN "variables"`);
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await queryRunner.query(`ALTER TABLE "page" DROP COLUMN "script"`);
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}
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async down(queryRunner) {
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await queryRunner.query(`ALTER TABLE "page" ADD "content" jsonb default '[]'::jsonb`);
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await queryRunner.query(`ALTER TABLE "page" ADD "variables" jsonb default '[]'::jsonb`);
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await queryRunner.query(`ALTER TABLE "page" ADD "script" character varying(16384) default ''`);
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// The conversion from the previous page content to text is lossy,
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// so we can just convert it back to a big text block.
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await queryRunner.query(`SELECT "id", "text" FROM "page"`)
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.then(pages => Promise.all(pages.map(page => {
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const content = [{
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// just a random UUID to keep the data structure
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id: '0730b23f-ab5b-4d56-8bd1-f4ead3f72af7',
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type: 'text',
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text: page.text,
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}];
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return queryRunner.query(`UPDATE "page" SET "content" = $1 WHERE "id" = $2`, [JSON.stringify(content), page.id]);
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})));
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await queryRunner.query(`ALTER TABLE "page" DROP COLUMN "text"`);
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}
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}
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