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findonebyfield.go
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/
findonebyfield.go
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package gen
import (
"fmt"
"strings"
"github.com/zeromicro/go-zero/tools/goctl/model/sql/template"
"github.com/zeromicro/go-zero/tools/goctl/util"
"github.com/zeromicro/go-zero/tools/goctl/util/pathx"
"github.com/zeromicro/go-zero/tools/goctl/util/stringx"
)
type findOneCode struct {
findOneMethod string
findOneInterfaceMethod string
cacheExtra string
}
func genFindOneByField(table Table, withCache, postgreSql bool) (*findOneCode, error) {
text, err := pathx.LoadTemplate(category, findOneByFieldTemplateFile, template.FindOneByField)
if err != nil {
return nil, err
}
t := util.With("findOneByField").Parse(text)
var list []string
camelTableName := table.Name.ToCamel()
for _, key := range table.UniqueCacheKey {
in, paramJoinString, originalFieldString := convertJoin(key, postgreSql)
output, err := t.Execute(map[string]any{
"upperStartCamelObject": camelTableName,
"upperField": key.FieldNameJoin.Camel().With("").Source(),
"in": in,
"withCache": withCache,
"cacheKey": key.KeyExpression,
"cacheKeyVariable": key.KeyLeft,
"lowerStartCamelObject": stringx.From(camelTableName).Untitle(),
"lowerStartCamelField": paramJoinString,
"upperStartCamelPrimaryKey": table.PrimaryKey.Name.ToCamel(),
"originalField": originalFieldString,
"postgreSql": postgreSql,
"data": table,
})
if err != nil {
return nil, err
}
list = append(list, output.String())
}
text, err = pathx.LoadTemplate(category, findOneByFieldMethodTemplateFile, template.FindOneByFieldMethod)
if err != nil {
return nil, err
}
t = util.With("findOneByFieldMethod").Parse(text)
var listMethod []string
for _, key := range table.UniqueCacheKey {
var inJoin, paramJoin Join
for _, f := range key.Fields {
param := util.EscapeGolangKeyword(stringx.From(f.Name.ToCamel()).Untitle())
inJoin = append(inJoin, fmt.Sprintf("%s %s", param, f.DataType))
paramJoin = append(paramJoin, param)
}
var in string
if len(inJoin) > 0 {
in = inJoin.With(", ").Source()
}
output, err := t.Execute(map[string]any{
"upperStartCamelObject": camelTableName,
"upperField": key.FieldNameJoin.Camel().With("").Source(),
"in": in,
"data": table,
})
if err != nil {
return nil, err
}
listMethod = append(listMethod, output.String())
}
if withCache {
text, err := pathx.LoadTemplate(category, findOneByFieldExtraMethodTemplateFile,
template.FindOneByFieldExtraMethod)
if err != nil {
return nil, err
}
out, err := util.With("findOneByFieldExtraMethod").Parse(text).Execute(map[string]any{
"upperStartCamelObject": camelTableName,
"primaryKeyLeft": table.PrimaryCacheKey.VarLeft,
"lowerStartCamelObject": stringx.From(camelTableName).Untitle(),
"originalPrimaryField": wrapWithRawString(table.PrimaryKey.Name.Source(), postgreSql),
"postgreSql": postgreSql,
"data": table,
})
if err != nil {
return nil, err
}
return &findOneCode{
findOneMethod: strings.Join(list, pathx.NL),
findOneInterfaceMethod: strings.Join(listMethod, pathx.NL),
cacheExtra: out.String(),
}, nil
}
return &findOneCode{
findOneMethod: strings.Join(list, pathx.NL),
findOneInterfaceMethod: strings.Join(listMethod, pathx.NL),
}, nil
}
func convertJoin(key Key, postgreSql bool) (in, paramJoinString, originalFieldString string) {
var inJoin, paramJoin, argJoin Join
for index, f := range key.Fields {
param := util.EscapeGolangKeyword(stringx.From(f.Name.ToCamel()).Untitle())
inJoin = append(inJoin, fmt.Sprintf("%s %s", param, f.DataType))
paramJoin = append(paramJoin, param)
if postgreSql {
argJoin = append(argJoin, fmt.Sprintf("%s = $%d", wrapWithRawString(f.Name.Source(), postgreSql), index+1))
} else {
argJoin = append(argJoin, fmt.Sprintf("%s = ?", wrapWithRawString(f.Name.Source(), postgreSql)))
}
}
if len(inJoin) > 0 {
in = inJoin.With(", ").Source()
}
if len(paramJoin) > 0 {
paramJoinString = paramJoin.With(",").Source()
}
if len(argJoin) > 0 {
originalFieldString = argJoin.With(" and ").Source()
}
return in, paramJoinString, originalFieldString
}