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tables.go
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tables.go
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// MIT License
//
// Copyright (c) 2016 GenesisCommunity
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
package api
import (
"fmt"
"net/http"
"github.com/GenesisCommunity/go-genesis/packages/consts"
"github.com/GenesisCommunity/go-genesis/packages/converter"
"github.com/GenesisCommunity/go-genesis/packages/model"
log "github.com/sirupsen/logrus"
)
type tableInfo struct {
Name string `json:"name"`
Count string `json:"count"`
}
type tablesResult struct {
Count int64 `json:"count"`
List []tableInfo `json:"list"`
}
func tables(w http.ResponseWriter, r *http.Request, data *apiData, logger *log.Entry) (err error) {
var (
result tablesResult
limit int
)
table := getPrefix(data) + `_tables`
count, err := model.GetRecordsCountTx(nil, table)
if err != nil {
logger.WithFields(log.Fields{"type": consts.DBError, "error": err}).Error("selecting records count from tables")
return errorAPI(w, err.Error(), http.StatusInternalServerError)
}
if data.params[`limit`].(int64) > 0 {
limit = int(data.params[`limit`].(int64))
} else {
limit = 25
}
list, err := model.GetAll(`select name from "`+table+`" order by name`+
fmt.Sprintf(` offset %d `, data.params[`offset`].(int64)), limit)
if err != nil {
logger.WithFields(log.Fields{"type": consts.DBError, "error": err}).Error("selecting names from tables")
return errorAPI(w, err.Error(), http.StatusInternalServerError)
}
result = tablesResult{
Count: count, List: make([]tableInfo, len(list)),
}
for i, item := range list {
var maxid int64
result.List[i].Name = item[`name`]
fullname := getPrefix(data) + `_` + item[`name`]
if item[`name`] == `keys` || item[`name`] == `members` {
err = model.DBConn.Table(fullname).Count(&maxid).Error
if err != nil {
logger.WithFields(log.Fields{"type": consts.DBError, "error": err}).Error("selecting count from table")
}
} else {
maxid, err = model.GetNextID(nil, fullname)
if err != nil {
logger.WithFields(log.Fields{"type": consts.DBError, "error": err}).Error("getting next id from table")
}
maxid--
}
if err != nil {
return errorAPI(w, err.Error(), http.StatusInternalServerError)
}
result.List[i].Count = converter.Int64ToStr(maxid)
}
data.result = &result
return
}