/
helpers.go
129 lines (115 loc) · 3.63 KB
/
helpers.go
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package gen_method
import (
"fmt"
"os"
"strconv"
"strings"
)
func IsSpecifyIndexSequence(fields []Field) bool {
var defaultIndexOrder, specifyIndexOrder bool
for _, field := range fields {
if field.IsSpecifyIndexOrder {
specifyIndexOrder = true
} else {
defaultIndexOrder = true
}
}
if defaultIndexOrder && specifyIndexOrder {
fmt.Printf("Some fields are specified index order but other not in same index[%s].\n", fields[0].IndexName)
os.Exit(1)
}
return specifyIndexOrder
}
func ParseTagSetting(str string) map[string][]string {
tags := strings.Split(str, ";")
setting := map[string][]string{}
for _, value := range tags {
v := strings.Split(value, ":")
k := strings.TrimSpace(strings.ToUpper(v[0]))
if _, ok := setting[k]; !ok {
setting[k] = make([]string, 0, 10)
}
if len(v) == 2 {
setting[k] = append(setting[k], v[1])
} else {
setting[k] = append(setting[k], k)
}
}
return setting
}
// ParseIndex indexName[0] -> return indexname, 0
func ParseIndex(index string) (string, int, bool) {
var isSpecifyIndexOrder bool
if len(index) == 0 {
return "", -1, isSpecifyIndexOrder
}
tmpStrSlice := strings.Split(index, "[")
if len(tmpStrSlice) != 2 {
return tmpStrSlice[0], 0, isSpecifyIndexOrder
}
pos, err := strconv.ParseInt(tmpStrSlice[1][0:1], 10, 64)
if err != nil {
fmt.Printf("%s\n", err.Error())
os.Exit(1)
}
isSpecifyIndexOrder = true
return tmpStrSlice[0], int(pos), isSpecifyIndexOrder
}
// fetchBaseInfoOfGenFuncForNormalIndex fetch part of function name, function input param,
// orm query format, orm query parameters.
func fetchBaseInfoOfGenFuncForNormalIndex(indexList []Field) *BaseInfoOfGenCode {
var partFuncName, inputParam, ormQueryFormat, ormQueryParam string
for _, field := range indexList {
if len(partFuncName) == 0 {
partFuncName = field.Name
inputParam = fmt.Sprintf("db *gorm.DB, %s %s", convertFirstLetterToLower(field.Name), field.Type)
ormQueryFormat = fmt.Sprintf("%s = ?", field.DbFieldName)
ormQueryParam = fmt.Sprintf("%s", convertFirstLetterToLower(field.Name))
} else {
partFuncName += "And" + field.Name
inputParam += fmt.Sprintf(", %s %s", convertFirstLetterToLower(field.Name), field.Type)
ormQueryFormat += fmt.Sprintf(" and %s = ?", field.DbFieldName)
ormQueryParam += fmt.Sprintf(", %s", convertFirstLetterToLower(field.Name))
}
}
return &BaseInfoOfGenCode{
PartFuncName: partFuncName,
FuncInputParam: inputParam,
OrmQueryFormat: ormQueryFormat,
OrmQueryParam: ormQueryParam,
}
}
func fetchBaseInfoOfGenFuncForUniqueIndex(model *Model, indexList []Field) *BaseInfoOfGenCode {
var partFuncName, inputParam, ormQueryFormat, ormQueryParam string
inputParam = fmt.Sprintf("%s", "db *gorm.DB")
for _, field := range indexList {
if len(partFuncName) == 0 {
partFuncName = field.Name
ormQueryFormat = fmt.Sprintf("%s = ?", field.DbFieldName)
ormQueryParam = fmt.Sprintf("%s.%s", fetchUpLetter(model.Name), field.Name)
} else {
partFuncName += "And" + field.Name
ormQueryFormat += fmt.Sprintf(" and %s = ?", field.DbFieldName)
ormQueryParam += fmt.Sprintf(", %s.%s", fetchUpLetter(model.Name), field.Name)
}
}
return &BaseInfoOfGenCode{
PartFuncName: partFuncName,
FuncInputParam: inputParam,
OrmQueryFormat: ormQueryFormat,
OrmQueryParam: ormQueryParam,
}
}
func replaceUpperWithLowerAndUnderscore(src string) string {
var dst string
for index, letter := range src {
if index == 0 && isUpperLetter(letter) {
dst += fmt.Sprintf("%c", letter)
} else if isUpperLetter(letter) {
dst += fmt.Sprintf("_%c", letter)
} else {
dst += fmt.Sprintf("%c", letter)
}
}
return strings.ToLower(dst)
}