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113 lines
4.6 KiB
TypeScript
113 lines
4.6 KiB
TypeScript
/* MIGRATION for updating transactions from the past to follow the blockchain rules */
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/* eslint-disable @typescript-eslint/explicit-module-boundary-types */
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/* eslint-disable @typescript-eslint/no-explicit-any */
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export async function upgrade(queryFn: (query: string, values?: any[]) => Promise<Array<any>>) {
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// split creation transaction with 3000 GDD created in one transaction what isn't allowed
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const transactionMemos: string[] = [
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'Aktives Grundeinkommen für GL. Dez',
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'Aktives Grundeinkommen für GL. Jan',
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'Aktives Grundeinkommen für GL. Feb',
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]
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const creationDate = new Date('2020-03-30 06:59:55')
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await queryFn(`UPDATE \`transactions\` set \`amount\` = 1000, \`balance\` = 1000, \`memo\` = ? WHERE \`id\` = 150`, [
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transactionMemos[0],
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])
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// [ RowDataPacket { 'MAX(`id`)': 6828 } ]
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const lastTransactionId = (await queryFn(`SELECT MAX(\`id\`) as max_id from \`transactions\``))[0].max_id
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// dummy id to insert two transactions before this (previous has an index on it)
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await queryFn(`UPDATE \`transactions\` set \`previous\` = ? WHERE \`id\` = 278`, [lastTransactionId + 30])
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await queryFn(
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`INSERT INTO \`transactions\`(
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\`user_id\`, \`previous\`, \`type_id\`, \`amount\`, \`balance\`,
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\`balance_date\`, \`decay\`, \`memo\`, \`creation_date\`
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) VALUES(
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275, 150, 1, 1000, 2000,
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?, 0, ?, ?
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)`,
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[creationDate, transactionMemos[1], creationDate],
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)
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await queryFn(
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`INSERT INTO \`transactions\`(
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\`user_id\`, \`previous\`, \`type_id\`, \`amount\`, \`balance\`,
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\`balance_date\`, \`decay\`, \`memo\`, \`creation_date\`
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) VALUES(
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275, LAST_INSERT_ID(), 1, 1000, 3000,
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?, 0, ?, ?
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)`,
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[creationDate, transactionMemos[2], creationDate],
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)
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await queryFn(`UPDATE \`transactions\` set \`previous\` = LAST_INSERT_ID() WHERE \`id\` = 278`)
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// ----------------------------------------------------------------------------------------------
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// update creation_date for transactions with creation_date == balance_date
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// !cannot made be undone easily!
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// make copy of transaction_creations table for easy debugging workflow
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await queryFn(`DROP TABLE IF EXISTS \`transactions_temp\``)
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await queryFn(`CREATE TABLE \`transactions_temp\` LIKE transactions`)
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await queryFn(`INSERT INTO \`transactions_temp\` SELECT * FROM \`transactions\``)
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// update entries from which memo contain month name (most cases)
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interface ReplaceSet {
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monthName: string
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monthValue: number
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yearValue: number
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}
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const replaceSets: ReplaceSet[] = [
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{ monthName: '%Dez%', monthValue: 12, yearValue: 2019 },
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{ monthName: '%Jan%', monthValue: 1, yearValue: 2020 },
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{ monthName: '%Feb%', monthValue: 2, yearValue: 2020 },
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{ monthName: '%M_rz%', monthValue: 3, yearValue: 2020 },
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{ monthName: '%April%', monthValue: 4, yearValue: 2020 },
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]
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for(const replaceSet of replaceSets) {
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let sqlQuery = `update \`transactions_temp\`
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SET \`creation_date\` = DATE_FORMAT(\`creation_date\`, CONCAT(?, '-', ?, '-', `
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if (replaceSet.monthName === '%Feb%') {
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sqlQuery += "IF(DATE_FORMAT(`creation_date`, '%d') <= 28, '%d', 28)"
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} else {
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sqlQuery += "'%d'"
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}
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sqlQuery += `, ' %H:%i:%s'))
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WHERE \`balance_date\` = \`creation_date\`
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AND \`type_id\` = 1
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AND \`memo\` LIKE ?`
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await queryFn(sqlQuery, [replaceSet.yearValue, replaceSet.monthValue, replaceSet.monthName])
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}
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// update entries without month name in memo, simply move creation_date 1 month before balance_date
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await queryFn(`UPDATE \`transactions_temp\`
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set creation_date = CAST(DATE_FORMAT(creation_date, CONCAT(
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IF(DATE_FORMAT(creation_date, '%m') = 1, DATE_FORMAT(creation_date, '%Y') - 1, '%Y'),
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'-',
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IF(DATE_FORMAT(creation_date, '%m') = 1, 12, DATE_FORMAT(creation_date, '%m') - 1),
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'-',
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IF(DATE_FORMAT(creation_date, '%m') = 3, IF(DATE_FORMAT(creation_date, '%d') <= 28, '%d', 28), '%d'),
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' %H:%i:%s')) AS DATETIME)
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WHERE balance_date = creation_date
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`)
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}
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export async function downgrade(queryFn: (query: string, values?: any[]) => Promise<Array<any>>) {
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// remove added transaction
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await queryFn(
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`DELETE FROM \`transactions\`
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WHERE \`user_id\` = 275 AND \`balance\` IN (2000, 3000) AND \`amount\` = 1000`,
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)
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// rewind transaction to split
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await queryFn(
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`UPDATE \`transactions\` set \`amount\` = 3000, \`memo\` = 'Aktives Grundeinkommen für GL. Dez, Jan, Feb'
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WHERE \`id\` = 150`,
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)
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await queryFn(`UPDATE \`transactions\` set \`previous\` = 150 WHERE \`id\` = 278`)
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}
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