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Introduced interfaces for all repositories, completely isolating the persistence layer from the repositories usage and specification

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This commit is contained in:
Deluan
2016-03-02 09:33:49 -05:00
parent 272a499c7e
commit 300ed0d9a4
15 changed files with 83 additions and 48 deletions
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persistence/base_repository.go
+11 -11
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@@ -9,13 +9,13 @@ import (
"reflect"
)
type BaseRepository struct {
type baseRepository struct {
table string
entityType reflect.Type
fieldNames []string
}
func (r *BaseRepository) init(table string, entity interface{}) {
func (r *baseRepository) init(table string, entity interface{}) {
r.table = table
r.entityType = reflect.TypeOf(entity).Elem()
@@ -29,17 +29,17 @@ func (r *BaseRepository) init(table string, entity interface{}) {
}
// TODO Use annotations to specify fields to be used
func (r *BaseRepository) NewId(fields ...string) string {
func (r *baseRepository) NewId(fields ...string) string {
s := fmt.Sprintf("%s\\%s", strings.ToUpper(r.table), strings.Join(fields, ""))
return fmt.Sprintf("%x", md5.Sum([]byte(s)))
}
func (r *BaseRepository) CountAll() (int, error) {
func (r *baseRepository) CountAll() (int, error) {
ids, err := db().SMembers([]byte(r.table + "s:all"))
return len(ids), err
}
func (r *BaseRepository) saveOrUpdate(id string, entity interface{}) error {
func (r *baseRepository) saveOrUpdate(id string, entity interface{}) error {
recordPrefix := fmt.Sprintf("%s:%s:", r.table, id)
allKey := r.table + "s:all"
@@ -68,7 +68,7 @@ func (r *BaseRepository) saveOrUpdate(id string, entity interface{}) error {
}
// TODO Optimize
func (r *BaseRepository) getParent(entity interface{}) (table string, id string) {
func (r *baseRepository) getParent(entity interface{}) (table string, id string) {
dt := reflect.TypeOf(entity).Elem()
for i := 0; i < dt.NumField(); i++ {
f := dt.Field(i)
@@ -81,7 +81,7 @@ func (r *BaseRepository) getParent(entity interface{}) (table string, id string)
return "", ""
}
func (r *BaseRepository) getFieldKeys(id string) [][]byte {
func (r *baseRepository) getFieldKeys(id string) [][]byte {
recordPrefix := fmt.Sprintf("%s:%s:", r.table, id)
var fieldKeys = make([][]byte, len(r.fieldNames))
for i, n := range r.fieldNames {
@@ -90,11 +90,11 @@ func (r *BaseRepository) getFieldKeys(id string) [][]byte {
return fieldKeys
}
func (r* BaseRepository) newInstance() interface{} {
func (r*baseRepository) newInstance() interface{} {
return reflect.New(r.entityType).Interface()
}
func (r *BaseRepository) readEntity(id string) (interface{}, error) {
func (r *baseRepository) readEntity(id string) (interface{}, error) {
entity := r.newInstance()
fieldKeys := r.getFieldKeys(id)
@@ -107,7 +107,7 @@ func (r *BaseRepository) readEntity(id string) (interface{}, error) {
return entity, err
}
func (r *BaseRepository) toEntity(response [][]byte, entity interface{}) error {
func (r *baseRepository) toEntity(response [][]byte, entity interface{}) error {
var record = make(map[string]interface{}, len(response))
for i, v := range response {
var value interface{}
@@ -121,7 +121,7 @@ func (r *BaseRepository) toEntity(response [][]byte, entity interface{}) error {
}
// TODO Optimize it! Probably very slow (and confusing!)
func (r *BaseRepository) loadAll(entities interface{}, sortBy string) error {
func (r *baseRepository) loadAll(entities interface{}, sortBy string) error {
total, err := r.CountAll()
if (err != nil) {
return err