mirror of https://github.com/nocodb/nocodb
oof1lab
7 years ago
2 changed files with 595 additions and 575 deletions
@ -0,0 +1,566 @@
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//define class
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class xctrl { |
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constructor(app,mysql) { |
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this.app = app; |
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this.mysql = mysql; |
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} |
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async create(req, res) { |
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let query = 'INSERT INTO ?? SET ?'; |
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let params = []; |
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params.push(req.app.locals._tableName); |
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params.push(req.body); |
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var results = await this.mysql.exec(query, params); |
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res.status(200).json(results); |
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} |
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async list(req, res) { |
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let queryParamsObj = {} |
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queryParamsObj.query = '' |
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queryParamsObj.params = [] |
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this.mysql.prepareListQuery(req, res, queryParamsObj, 0); |
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let results = await this.mysql.exec(queryParamsObj.query, queryParamsObj.params); |
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res.status(200).json(results); |
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} |
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async nestedList(req, res) { |
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let queryParamsObj = {} |
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queryParamsObj.query = ''; |
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queryParamsObj.params = []; |
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this.mysql.prepareListQuery(req, res, queryParamsObj, 1) |
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let results = await this.mysql.exec(queryParamsObj.query, queryParamsObj.params); |
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res.status(200).json(results); |
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} |
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async findOne(req, res) { |
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let queryParamsObj = {} |
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queryParamsObj.query = '' |
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queryParamsObj.params = [] |
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this.mysql.prepareListQuery(req, res, queryParamsObj, 2); |
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let results = await this.mysql.exec(queryParamsObj.query, queryParamsObj.params); |
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res.status(200).json(results); |
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} |
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async read(req, res) { |
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let query = 'select * from ?? where '; |
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let params = []; |
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params.push(req.app.locals._tableName); |
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let clause = this.mysql.getPrimaryKeyWhereClause(req.app.locals._tableName, |
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req.params.id.split('___')); |
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if (!clause) { |
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return res.status(400).send({ |
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error: "Table is made of composite primary keys - all keys were not in input" |
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}); |
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} |
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query += clause; |
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query += ' LIMIT 1' |
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let results = await this.mysql.exec(query, params); |
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res.status(200).json(results); |
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} |
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async exists(req, res) { |
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let query = 'select * from ?? where '; |
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let params = []; |
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params.push(req.app.locals._tableName); |
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let clause = this.mysql.getPrimaryKeyWhereClause(req.app.locals._tableName, |
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req.params.id.split('___')); |
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if (!clause) { |
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return res.status(400).send({ |
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error: "Table is made of composite primary keys - all keys were not in input" |
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}) |
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} |
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query += clause; |
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query += ' LIMIT 1' |
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let results = await this.mysql.exec(query, params); |
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res.status(200).json(results); |
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} |
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async update(req, res) { |
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let query = 'REPLACE INTO ?? SET ?'; |
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let params = []; |
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params.push(req.app.locals._tableName); |
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params.push(req.body); |
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var results = await this.mysql.exec(query, params); |
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res.status(200).json(results); |
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} |
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async patch(req, res) { |
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let query = 'UPDATE ?? SET '; |
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let keys = Object.keys(req.body); |
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// SET clause
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let updateKeys = ''; |
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for (let i = 0; i < keys.length; ++i) { |
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updateKeys += keys[i] + ' = ? ' |
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if (i !== keys.length - 1) |
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updateKeys += ', ' |
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} |
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// where clause
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query += updateKeys + ' where ' |
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let clause = this.mysql.getPrimaryKeyWhereClause(req.app.locals._tableName, |
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req.params.id.split('___')); |
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if (!clause) { |
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return res.status(400).send({ |
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error: "Table is made of composite primary keys - all keys were not in input" |
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}) |
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} |
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query += clause; |
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// params
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let params = []; |
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params.push(req.app.locals._tableName); |
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params = params.concat(Object.values(req.body)); |
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let results = await this.mysql.exec(query, params); |
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res.status(200).json(results); |
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} |
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async delete(req, res) { |
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let query = 'DELETE FROM ?? WHERE '; |
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let params = []; |
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params.push(req.app.locals._tableName); |
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let clause = this.mysql.getPrimaryKeyWhereClause(req.app.locals._tableName, |
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req.params.id.split('___')); |
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if (!clause) { |
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return res.status(400).send({ |
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error: "Table is made of composite primary keys - all keys were not in input" |
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}); |
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} |
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query += clause; |
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let results = await this.mysql.exec(query, params); |
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res.status(200).json(results); |
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} |
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async bulkInsert(req, res) { |
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let queryParamsObj = {} |
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queryParamsObj.query = '' |
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queryParamsObj.params = [] |
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let results = [] |
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//console.log(req.app.locals._tableName, req.body);
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this.mysql.getBulkInsertStatement(req.app.locals._tableName, req.body, queryParamsObj) |
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results = await this.mysql.exec(queryParamsObj.query, queryParamsObj.params); |
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res.status(200).json(results); |
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} |
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async bulkDelete(req, res) { |
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let query = 'delete from ?? where ?? in '; |
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let params = []; |
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params.push(req.app.locals._tableName); |
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params.push(this.mysql.getPrimaryKeyName(req.app.locals._tableName)); |
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query += '(' |
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if (req.query && req.query._ids) { |
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let ids = req.query._ids.split(',') |
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for (var i = 0; i < ids.length; ++i) { |
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if (i) { |
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query += ',' |
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} |
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query += '?' |
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params.push(ids[i]) |
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} |
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} |
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query += ')' |
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//console.log(query, params);
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var results = await this.mysql.exec(query, params); |
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res.status(200).json(results); |
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} |
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async bulkRead(req, res) { |
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let queryParamsObj = {} |
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queryParamsObj.query = '' |
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queryParamsObj.params = [] |
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this.mysql.prepareListQuery(req, res, queryParamsObj, 3); |
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//console.log(queryParamsObj.query, queryParamsObj.params);
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let results = await this.mysql.exec(queryParamsObj.query, queryParamsObj.params); |
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res.status(200).json(results); |
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} |
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async count(req, res) { |
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let queryParams = {} |
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queryParams.query = 'select count(1) as no_of_rows from ?? '; |
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queryParams.params = []; |
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queryParams.params.push(req.app.locals._tableName); |
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this.mysql.getWhereClause(req.query._where, req.app.locals._tableName, queryParams, ' where ') |
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let results = await this.mysql.exec(queryParams.query, queryParams.params); |
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res.status(200).json(results); |
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} |
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async distinct(req, res) { |
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let queryParamsObj = {} |
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queryParamsObj.query = '' |
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queryParamsObj.params = [] |
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this.mysql.prepareListQuery(req, res, queryParamsObj, 4); |
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let results = await this.mysql.exec(queryParamsObj.query, queryParamsObj.params); |
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res.status(200).json(results); |
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} |
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async groupBy(req, res) { |
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if (req.query && req.query._fields) { |
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let queryParamsObj = {} |
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queryParamsObj.query = 'select '; |
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queryParamsObj.params = []; |
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/**************** add columns and group by columns ****************/ |
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this.mysql.getColumnsForSelectStmt(req.app.locals._tableName, req.query, queryParamsObj) |
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queryParamsObj.query += ',count(*) as _count from ?? group by '; |
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let tableName = req.app.locals._tableName; |
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queryParamsObj.params.push(tableName); |
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this.mysql.getColumnsForSelectStmt(req.app.locals._tableName, req.query, queryParamsObj) |
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if (!req.query._sort) { |
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req.query._sort = {} |
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req.query._sort = '-_count' |
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} |
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/**************** add having clause ****************/ |
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this.mysql.getHavingClause(req.query._having, req.app.locals._tableName, queryParamsObj, ' having '); |
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/**************** add orderby clause ****************/ |
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this.mysql.getOrderByClause(req.query, tableName, queryParamsObj); |
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//console.log(queryParamsObj.query, queryParamsObj.params);
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var results = await this.mysql.exec(queryParamsObj.query, queryParamsObj.params); |
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res.status(200).json(results); |
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} else { |
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res.status(400).json({message: 'Missing _fields query params eg: /api/tableName/groupby?_fields=column1'}) |
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} |
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} |
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async ugroupby(req, res) { |
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if (req.query && req.query._fields) { |
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let queryParamsObj = {} |
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queryParamsObj.query = ''; |
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queryParamsObj.params = []; |
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let uGrpByResults = {} |
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/**************** add fields with count(*) *****************/ |
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let fields = req.query._fields.split(',') |
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for (var i = 0; i < fields.length; ++i) { |
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uGrpByResults[fields[i]] = [] |
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if (i) { |
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queryParamsObj.query += ' UNION ' |
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} |
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queryParamsObj.query += ' SELECT IFNULL(CONCAT(?,?,??),?) as ugroupby, count(*) as _count from ?? GROUP BY ?? ' |
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queryParamsObj.params.push(fields[i]) |
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queryParamsObj.params.push('~') |
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queryParamsObj.params.push(fields[i]) |
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queryParamsObj.params.push(fields[i] + '~') |
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queryParamsObj.params.push(req.app.locals._tableName) |
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queryParamsObj.params.push(fields[i]) |
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} |
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//console.log(queryParamsObj.query, queryParamsObj.params);
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var results = await this.mysql.exec(queryParamsObj.query, queryParamsObj.params); |
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for (var i = 0; i < results.length; ++i) { |
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let grpByColName = results[i]['ugroupby'].split('~')[0] |
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let grpByColValue = results[i]['ugroupby'].split('~')[1] |
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let obj = {} |
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obj[grpByColValue] = results[i]['_count']; |
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uGrpByResults[grpByColName].push(obj) |
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} |
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res.status(200).json(uGrpByResults); |
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} else { |
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res.status(400).json({message: 'Missing _fields query params eg: /api/tableName/ugroupby?_fields=column1,column2'}) |
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} |
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} |
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async aggregate(req, res) { |
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if (req.query && req.query._fields) { |
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let tableName = req.app.locals._tableName; |
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let query = 'select ' |
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let params = [] |
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let fields = req.query._fields.split(','); |
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for (var i = 0; i < fields.length; ++i) { |
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if (i) { |
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query = query + ',' |
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} |
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query = query + ' min(??) as ?,max(??) as ?,avg(??) as ?,sum(??) as ?,stddev(??) as ?,variance(??) as ? ' |
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params.push(fields[i]); |
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params.push('min_of_' + fields[i]); |
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params.push(fields[i]); |
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params.push('max_of_' + fields[i]); |
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params.push(fields[i]); |
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params.push('avg_of_' + fields[i]); |
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params.push(fields[i]); |
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params.push('sum_of_' + fields[i]); |
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params.push(fields[i]); |
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params.push('stddev_of_' + fields[i]); |
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params.push(fields[i]); |
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params.push('variance_of_' + fields[i]); |
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} |
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query = query + ' from ??' |
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params.push(tableName) |
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var results = await this.mysql.exec(query, params); |
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res.status(200).json(results); |
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} else { |
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res.status(400).json({message: 'Missing _fields in query params eg: /api/tableName/aggregate?_fields=numericColumn1'}); |
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} |
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} |
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async chart(req, res) { |
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let query = '' |
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let params = [] |
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let obj = {} |
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if (req.query) { |
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let isRange = false |
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if (req.query.range) { |
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isRange = true |
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} |
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if (req.query && req.query.min && req.query.max && req.query.step) { |
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//console.log(req.params.min, req.params.max, req.params.step);
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obj = this.mysql.getChartQueryAndParamsFromMinMaxStep(req.app.locals._tableName, |
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req.query._fields, |
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parseInt(req.query.min), |
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parseInt(req.query.max), |
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parseInt(req.query.step), |
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isRange) |
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} else if (req.query && req.query.steparray && req.query.steparray.length > 1) { |
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obj = this.mysql.getChartQueryAndParamsFromStepArray(req.app.locals._tableName, |
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req.query._fields, |
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(req.query.steparray.split(',')).map(Number), |
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isRange) |
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} else if (req.query && req.query.steppair && req.query.steppair.length > 1) { |
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obj = this.mysql.getChartQueryAndParamsFromStepPair(req.app.locals._tableName, |
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req.query._fields, |
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(req.query.steppair.split(',')).map(Number), |
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false) |
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} else { |
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query = 'select min(??) as min,max(??) as max,stddev(??) as stddev,avg(??) as avg from ??'; |
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params = []; |
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params.push(req.query._fields); |
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params.push(req.query._fields); |
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params.push(req.query._fields); |
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params.push(req.query._fields); |
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params.push(req.app.locals._tableName); |
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let _this = this; |
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let results = await |
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_this.mysql.exec(query, params); |
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//console.log(results, results['max'], req.params);
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obj = _this.mysql.getChartQueryAndParamsFromMinMaxStddev(req.app.locals._tableName, |
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req.query._fields, |
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results[0]['min'], |
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results[0]['max'], |
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results[0]['stddev'], |
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isRange |
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) |
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} |
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this.mysql.getWhereClause(req.query._where, req.app.locals._tableName, obj, ' where ') |
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let results = await |
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this.mysql.exec(obj.query, obj.params); |
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res.status(200).json(results); |
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} else { |
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res.status(400).json({message: 'Missing _fields in query params eg: /api/tableName/chart?_fields=numericColumn1'}); |
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} |
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} |
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async autoChart(req, res) { |
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let query = 'describe ??' |
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let params = [req.app.locals._tableName] |
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let obj = {} |
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let results = [] |
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let isRange = false |
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if (req.query.range) { |
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isRange = true |
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} |
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let describeResults = await this.mysql.exec(query, params) |
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//console.log(describeResults);
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for (var i = 0; i < describeResults.length; ++i) { |
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//console.log('is this numeric column', describeResults[i]['Type']);
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if (describeResults[i]['Key'] !== 'PRI' && this.mysql.isTypeOfColumnNumber(describeResults[i]['Type'])) { |
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query = 'select min(??) as min,max(??) as max,stddev(??) as stddev,avg(??) as avg from ??'; |
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params = []; |
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params.push(describeResults[i]['Field']); |
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params.push(describeResults[i]['Field']); |
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params.push(describeResults[i]['Field']); |
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params.push(describeResults[i]['Field']); |
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params.push(req.app.locals._tableName); |
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let _this = this; |
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let minMaxResults = await _this.mysql.exec(query, params); |
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//console.log(minMaxResults, minMaxResults['max'], req.params);
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query = '' |
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params = [] |
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obj = _this.mysql.getChartQueryAndParamsFromMinMaxStddev(req.app.locals._tableName, |
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describeResults[i]['Field'], |
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minMaxResults[0]['min'], |
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minMaxResults[0]['max'], |
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minMaxResults[0]['stddev'], |
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isRange |
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) |
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let r = await this.mysql.exec(obj.query, obj.params); |
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let resultObj = {} |
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resultObj['column'] = describeResults[i]['Field'] |
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resultObj['chart'] = r |
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results.push(resultObj); |
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} |
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} |
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res.status(200).json(results); |
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} |
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} |
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//expose class
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module.exports = xctrl; |
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