saga-service/saga-service-postgresql/src/main/kotlin/com/sybotan/service/postgresql/controllers/SDatabaseDocController.kt

/*
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 *           .UB  OOGDM. MK,                                          Copyright (c) 2015-2020.  斯伯坦机器人
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 *
 * ********************************************************************************************************************
 */

package com.sybotan.service.postgresql.controllers

import com.sybotan.service.SObjectService
import com.sybotan.service.models.requests.SQueryRequest
import com.sybotan.service.models.responses.SQueryResponse
import com.sybotan.service.postgresql.models.SColumn
import com.sybotan.service.postgresql.models.STable
import io.swagger.annotations.Api
import io.swagger.annotations.ApiImplicitParam
import io.swagger.annotations.ApiOperation
import org.springframework.beans.factory.annotation.Autowired
import org.springframework.web.bind.annotation.*

/**
 * 数据库设计接口
 *
 * @author  庞利祥(sybotan@126.com)
 */
@Api(tags= ["数据库设计接口"])
@RestController
@RequestMapping("/--database-doc--/")
class SDatabaseDocController {
    /** 表服务对象 */
    private val tableService = SObjectService(STable::class.java)

    /** 字段服务对象 */
    private val columnService = SObjectService(SColumn::class.java)

    /**
     * 查询表信息
     *
     * @param   schema      模式
     * @return  字段列表
     */
    @ApiOperation(value="查询表信息", notes="")
    @RequestMapping(value = ["/table-list"], method = [RequestMethod.GET, RequestMethod.POST])
    fun tableList(schema: String): List<Any> {
        return tableService.select("schemaName" to schema).exec()
    } // Function tableList()

    /**
     * 查询字段信息
     *
     * @param   schema      模式
     * @param   table       表名
     * @return  字段列表
     */
    @ApiOperation(value="查询字段信息", notes="")
    @RequestMapping(value = ["/column-list"], method = [RequestMethod.GET, RequestMethod.POST])
    fun columnList(schema: String, table: String): List<Any> {
        val builder = columnService.select("schemaName" to schema, "tableName" to table)
        builder.tableName =
                "(SELECT *,\n" +
                "    (SELECT \"description\" FROM \"pg_description\"\n" +
                "    JOIN \"pg_class\" ON \"pg_description\".\"objoid\" = \"pg_class\".\"oid\"\n" +
                "    JOIN \"pg_namespace\" ON \"pg_class\".\"relnamespace\" = \"pg_namespace\".\"oid\"\n" +
                "WHERE \"relname\" = \"t\".\"table_name\" and \"nspname\"= \"t\".\"table_schema\" and \"objsubid\" = \"t\".\"ordinal_position\")\n" +
                "FROM \"information_schema\".\"columns\" t) ct"
        return builder.exec()
        //return mapper.columnList(schema, table)
    } // Function columnList()
} // Class SDatabaseDocController