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list.go
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/
list.go
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package crud
import (
"fmt"
"strings"
"github.com/coretrix/hitrix/pkg/helper"
"github.com/latolukasz/beeorm"
)
type SearchParams struct {
Page int
PageSize int
Search map[string]string
SearchOR map[string]string
StringFilters map[string]string
NumberFilters map[string]int64
BooleanFilters map[string]bool
Sort map[string]bool
}
type Column struct {
Key string
Label string
Type string
Searchable bool
Sortable bool
Filterable bool
Visible bool
FilterValidMap []FilterValue
}
type FilterValue struct {
Key string
Label string
}
type ListRequest struct {
Page *int
PageSize *int
Filter map[string]interface{}
Search map[string]interface{}
SearchOR map[string]interface{}
Sort map[string]interface{}
}
type Crud struct {
}
func (c *Crud) ExtractListParams(cols []Column, request *ListRequest) SearchParams {
finalPage := 1
finalPageSize := 10
if request.Page != nil && *request.Page > 0 {
finalPage = *request.Page
}
if request.PageSize != nil && *request.PageSize > 0 {
finalPageSize = *request.PageSize
}
var searchable = make([]string, 0)
var stringFilters = make([]string, 0)
var booleanFilters = make([]string, 0)
var stringEnumFilters = make(map[string][]FilterValue)
var numberFilters = make([]string, 0)
var sortables = make([]string, 0)
for i := range cols {
if cols[i].Sortable {
sortables = append(sortables, cols[i].Key)
}
if cols[i].Searchable {
searchable = append(searchable, cols[i].Key)
continue
}
if cols[i].Filterable && cols[i].Type == StringType {
stringFilters = append(stringFilters, cols[i].Key)
continue
}
if cols[i].Filterable && cols[i].Type == BooleanType {
booleanFilters = append(booleanFilters, cols[i].Key)
continue
}
if cols[i].Filterable && cols[i].Type == NumberType {
numberFilters = append(numberFilters, cols[i].Key)
continue
}
if cols[i].Filterable && cols[i].Type == EnumType {
stringEnumFilters[cols[i].Key] = cols[i].FilterValidMap
continue
}
}
var selectedStringFilters = make(map[string]string)
var selectedNumberFilters = make(map[string]int64)
var selectedBooleanFilters = make(map[string]bool)
var selectedSort = make(map[string]bool)
var selectedSearches = make(map[string]string)
var selectedORSearches = make(map[string]string)
mainLoop:
for field, value := range request.Filter {
intValue, ok := value.(int64)
if ok {
if helper.StringInArray(field, numberFilters...) {
selectedNumberFilters[field] = intValue
continue mainLoop
}
}
booleanValue, ok := value.(bool)
if ok {
if helper.StringInArray(field, booleanFilters...) {
selectedBooleanFilters[field] = booleanValue
continue mainLoop
}
}
stringValue, ok := value.(string)
if ok {
if helper.StringInArray(field, stringFilters...) {
selectedStringFilters[field] = stringValue
continue mainLoop
}
for enumFiledName := range stringEnumFilters {
if field == enumFiledName {
for _, filterValue := range stringEnumFilters[enumFiledName] {
if filterValue.Key == stringValue {
selectedStringFilters[field] = stringValue
continue mainLoop
}
}
}
}
}
}
for field, value := range request.Search {
stringValue, ok := value.(string)
if ok && len(stringValue) >= 2 {
if helper.StringInArray(field, searchable...) {
selectedSearches[field] = stringValue
}
}
}
for field, value := range request.SearchOR {
stringValue, ok := value.(string)
if ok && len(stringValue) >= 2 {
if helper.StringInArray(field, searchable...) {
selectedORSearches[field] = stringValue
}
}
}
if len(request.Sort) == 1 {
for field, mode := range request.Sort {
stringVal := mode.(string)
if helper.StringInArray(field, sortables...) && helper.StringInArray(stringVal, "asc", "desc") {
selectedSort[field] = stringVal == "asc"
}
}
}
return SearchParams{
Page: finalPage,
PageSize: finalPageSize,
Search: selectedSearches,
SearchOR: selectedORSearches,
StringFilters: selectedStringFilters,
NumberFilters: selectedNumberFilters,
BooleanFilters: selectedBooleanFilters,
Sort: selectedSort,
}
}
// TODO : add full text queries when supported by hitrix
func (c *Crud) GenerateListRedisSearchQuery(params SearchParams) *beeorm.RedisSearchQuery {
query := &beeorm.RedisSearchQuery{}
for field, value := range params.NumberFilters {
query.FilterInt(field, value)
}
for field, value := range params.StringFilters {
query.FilterTag(field, value)
}
for field, value := range params.BooleanFilters {
query.FilterBool(field, value)
}
// TODO : use full text search
for field, value := range params.Search {
query.QueryRaw(fmt.Sprintf(
"@%s:%v* ",
field, strings.TrimSpace(beeorm.EscapeRedisSearchString(value)),
))
}
orStatements := make([]string, 0)
for field, value := range params.SearchOR {
orStatements = append(orStatements, fmt.Sprintf(
"(@%s:%v*)",
field, strings.TrimSpace(beeorm.EscapeRedisSearchString(value)),
))
}
if len(orStatements) > 0 {
query.AppendQueryRaw("(" + strings.Join(orStatements, "|") + ")")
}
if len(params.Sort) == 1 {
for field, mode := range params.Sort {
query.Sort(field, !mode)
}
}
return query
}
func (c *Crud) GenerateListMysqlQuery(params SearchParams) *beeorm.Where {
where := beeorm.NewWhere("1")
for field, value := range params.NumberFilters {
where.Append("AND "+field+" = ?", value)
}
for field, value := range params.StringFilters {
where.Append("AND "+field+" = ?", value)
}
for field, value := range params.BooleanFilters {
where.Append("AND "+field+" = ?", value)
}
// TODO : use full text search
for field, value := range params.Search {
where.Append("AND "+field+" LIKE ?", value+"%")
}
orStatements := make([]string, 0)
orStatementsVariables := make([]interface{}, 0)
for field, value := range params.SearchOR {
orStatements = append(orStatements, fmt.Sprintf(
"%s LIKE ?",
field,
))
orStatementsVariables = append(orStatementsVariables, value+"%")
}
if len(orStatements) > 0 {
where.Append(
"AND ("+strings.Join(orStatements, " OR ")+")",
orStatementsVariables...,
)
}
if len(params.Sort) == 1 {
sortQuery := "ORDER BY "
for field, mode := range params.Sort {
sort := "ASC"
if !mode {
sort = "DESC"
}
sortQuery += field + " " + sort
}
where.Append(sortQuery)
}
return where
}