refactor: backend

This commit is contained in:
email
2022-02-03 15:32:03 +08:00
parent 3d8997a43a
commit d661134b03
42 changed files with 2601 additions and 1289 deletions

View File

@@ -1,99 +1,207 @@
package store
import (
"memos/utils"
"fmt"
"memos/api"
"memos/common"
"strings"
)
type Memo struct {
Id string `json:"id"`
Content string `json:"content"`
UserId string `json:"userId"`
DeletedAt string `json:"deletedAt"`
CreatedAt string `json:"createdAt"`
UpdatedAt string `json:"updatedAt"`
type MemoService struct {
db *DB
}
func CreateNewMemo(content string, userId string) (Memo, error) {
nowDateTimeStr := utils.GetNowDateTimeStr()
newMemo := Memo{
Id: utils.GenUUID(),
Content: content,
UserId: userId,
DeletedAt: "",
CreatedAt: nowDateTimeStr,
UpdatedAt: nowDateTimeStr,
func NewMemoService(db *DB) *MemoService {
return &MemoService{db: db}
}
func (s *MemoService) CreateMemo(create *api.MemoCreate) (*api.Memo, error) {
memo, err := createMemo(s.db, create)
if err != nil {
return nil, err
}
query := `INSERT INTO memos (id, content, user_id, deleted_at, created_at, updated_at) VALUES (?, ?, ?, ?, ?, ?)`
_, err := DB.Exec(query, newMemo.Id, newMemo.Content, newMemo.UserId, newMemo.DeletedAt, newMemo.CreatedAt, newMemo.UpdatedAt)
return newMemo, FormatDBError(err)
return memo, nil
}
type MemoPatch struct {
Content *string
DeletedAt *string
func (s *MemoService) PatchMemo(patch *api.MemoPatch) (*api.Memo, error) {
memo, err := patchMemo(s.db, patch)
if err != nil {
return nil, err
}
return memo, nil
}
func UpdateMemo(id string, memoPatch *MemoPatch) (Memo, error) {
memo, _ := GetMemoById(id)
func (s *MemoService) FindMemoList(find *api.MemoFind) ([]*api.Memo, error) {
list, err := findMemoList(s.db, find)
if err != nil {
return nil, err
}
return list, nil
}
func (s *MemoService) FindMemo(find *api.MemoFind) (*api.Memo, error) {
list, err := findMemoList(s.db, find)
if err != nil {
return nil, err
}
if len(list) == 0 {
return nil, &common.Error{Code: common.NotFound, Err: fmt.Errorf("not found")}
}
return list[0], nil
}
func (s *MemoService) DeleteMemo(delete *api.MemoDelete) error {
err := deleteMemo(s.db, delete)
if err != nil {
return FormatError(err)
}
return nil
}
func createMemo(db *DB, create *api.MemoCreate) (*api.Memo, error) {
row, err := db.Db.Query(`
INSERT INTO memo (
creator_id,
content
)
VALUES (?, ?)
RETURNING id, creator_id, created_ts, updated_ts, content, row_status
`,
create.CreatorId,
create.Content,
)
if err != nil {
return nil, FormatError(err)
}
defer row.Close()
if !row.Next() {
return nil, &common.Error{Code: common.NotFound, Err: fmt.Errorf("not found")}
}
var memo api.Memo
if err := row.Scan(
&memo.Id,
&memo.CreatorId,
&memo.CreatedTs,
&memo.UpdatedTs,
&memo.Content,
&memo.RowStatus,
); err != nil {
return nil, FormatError(err)
}
return &memo, nil
}
func patchMemo(db *DB, patch *api.MemoPatch) (*api.Memo, error) {
set, args := []string{}, []interface{}{}
if v := memoPatch.Content; v != nil {
memo.Content = *v
set, args = append(set, "content=?"), append(args, *v)
if v := patch.Content; v != nil {
set, args = append(set, "content = ?"), append(args, v)
}
if v := memoPatch.DeletedAt; v != nil {
memo.DeletedAt = *v
set, args = append(set, "deleted_at=?"), append(args, *v)
}
set, args = append(set, "updated_at=?"), append(args, utils.GetNowDateTimeStr())
args = append(args, id)
sqlQuery := `UPDATE memos SET ` + strings.Join(set, ",") + ` WHERE id=?`
_, err := DB.Exec(sqlQuery, args...)
return memo, FormatDBError(err)
}
func DeleteMemo(memoId string) error {
query := `DELETE FROM memos WHERE id=?`
_, err := DB.Exec(query, memoId)
return FormatDBError(err)
}
func GetMemoById(id string) (Memo, error) {
query := `SELECT id, content, deleted_at, created_at, updated_at FROM memos WHERE id=?`
memo := Memo{}
err := DB.QueryRow(query, id).Scan(&memo.Id, &memo.Content, &memo.DeletedAt, &memo.CreatedAt, &memo.UpdatedAt)
return memo, FormatDBError(err)
}
func GetMemosByUserId(userId string, onlyDeleted bool) ([]Memo, error) {
sqlQuery := `SELECT id, content, deleted_at, created_at, updated_at FROM memos WHERE user_id=?`
if onlyDeleted {
sqlQuery = sqlQuery + ` AND deleted_at!=""`
} else {
sqlQuery = sqlQuery + ` AND deleted_at=""`
if v := patch.RowStatus; v != nil {
set, args = append(set, "row_status = ?"), append(args, v)
}
rows, _ := DB.Query(sqlQuery, userId)
args = append(args, patch.Id)
row, err := db.Db.Query(`
UPDATE memo
SET `+strings.Join(set, ", ")+`
WHERE id = ?
RETURNING id, created_ts, updated_ts, content, row_status
`, args...)
if err != nil {
return nil, FormatError(err)
}
defer row.Close()
if !row.Next() {
return nil, &common.Error{Code: common.NotFound, Err: fmt.Errorf("not found")}
}
var memo api.Memo
if err := row.Scan(
&memo.Id,
&memo.CreatedTs,
&memo.UpdatedTs,
&memo.Content,
&memo.RowStatus,
); err != nil {
return nil, FormatError(err)
}
return &memo, nil
}
func findMemoList(db *DB, find *api.MemoFind) ([]*api.Memo, error) {
where, args := []string{"1 = 1"}, []interface{}{}
if v := find.Id; v != nil {
where, args = append(where, "id = ?"), append(args, *v)
}
if v := find.CreatorId; v != nil {
where, args = append(where, "creator_id = ?"), append(args, *v)
}
rows, err := db.Db.Query(`
SELECT
id,
creator_id,
created_ts,
updated_ts,
content,
row_status
FROM memo
WHERE `+strings.Join(where, " AND "),
args...,
)
if err != nil {
return nil, FormatError(err)
}
defer rows.Close()
memos := []Memo{}
list := make([]*api.Memo, 0)
for rows.Next() {
memo := Memo{}
rows.Scan(&memo.Id, &memo.Content, &memo.DeletedAt, &memo.CreatedAt, &memo.UpdatedAt)
var memo api.Memo
if err := rows.Scan(
&memo.Id,
&memo.CreatorId,
&memo.CreatedTs,
&memo.UpdatedTs,
&memo.Content,
&memo.RowStatus,
); err != nil {
return nil, FormatError(err)
}
memos = append(memos, memo)
list = append(list, &memo)
}
if err := rows.Err(); err != nil {
return nil, FormatDBError(err)
return nil, FormatError(err)
}
return memos, nil
return list, nil
}
func deleteMemo(db *DB, delete *api.MemoDelete) error {
result, err := db.Db.Exec(`DELETE FROM memo WHERE id = ?`, delete.Id)
if err != nil {
return FormatError(err)
}
rows, _ := result.RowsAffected()
if rows == 0 {
return &common.Error{Code: common.NotFound, Err: fmt.Errorf("memo ID not found: %d", delete.Id)}
}
return nil
}