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♻️ Refactor av data structure
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Daniel
parent
fbd26d1fd6
commit
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9 changed files with 735 additions and 841 deletions
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// SiYuan - Refactor your thinking
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// Copyright (c) 2020-present, b3log.org
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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// Package av 包含了属性视图（Attribute View）相关的实现。
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package av
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import (
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"errors"
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"os"
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"path/filepath"
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"github.com/88250/gulu"
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"github.com/88250/lute/ast"
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"github.com/siyuan-note/filelock"
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"github.com/siyuan-note/logging"
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"github.com/siyuan-note/siyuan/kernel/util"
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)
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// AttributeView 描述了属性视图的结构。
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type AttributeView struct {
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Spec int `json:"spec"` // 格式版本
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ID string `json:"id"` // 属性视图 ID
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Name string `json:"name"` // 属性视图名称
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Columns []*Column `json:"columns"` // 列
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Rows []*Row `json:"rows"` // 行
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CurrentViewID string `json:"currentViewID"` // 当前视图 ID
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Views []*View `json:"views"` // 视图
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}
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// View 描述了视图的结构。
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type View struct {
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ID string `json:"id"` // 视图 ID
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Name string `json:"name"` // 视图名称
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CurrentLayoutID string `json:"CurrentLayoutID"` // 当前布局 ID
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CurrentLayoutType LayoutType `json:"type"` // 当前布局类型
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Table *LayoutTable `json:"table,omitempty"` // 表格布局
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}
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// LayoutType 描述了视图布局的类型。
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type LayoutType string
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const (
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LayoutTypeTable LayoutType = "table" // 属性视图类型 - 表格
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)
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func NewView() *View {
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name := "Table"
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layoutID := ast.NewNodeID()
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return &View{
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ID: ast.NewNodeID(),
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Name: name,
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CurrentLayoutID: layoutID,
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CurrentLayoutType: LayoutTypeTable,
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Table: &LayoutTable{
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Spec: 0,
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ID: layoutID,
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Filters: []*ViewFilter{},
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Sorts: []*ViewSort{},
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},
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}
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}
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// Viewable 描述了视图的接口。
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type Viewable interface {
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Filterable
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Sortable
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Calculable
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GetType() LayoutType
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GetID() string
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}
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func NewAttributeView(id string) *AttributeView {
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view := NewView()
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return &AttributeView{
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Spec: 0,
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ID: id,
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Columns: []*Column{{ID: ast.NewNodeID(), Name: "Block", Type: ColumnTypeBlock}},
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Rows: []*Row{},
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CurrentViewID: view.ID,
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Views: []*View{view},
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}
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}
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func ParseAttributeView(avID string) (ret *AttributeView, err error) {
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avJSONPath := getAttributeViewDataPath(avID)
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if !gulu.File.IsExist(avJSONPath) {
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ret = NewAttributeView(avID)
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return
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}
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data, err := filelock.ReadFile(avJSONPath)
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if nil != err {
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logging.LogErrorf("read attribute view [%s] failed: %s", avID, err)
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return
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}
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ret = &AttributeView{}
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if err = gulu.JSON.UnmarshalJSON(data, ret); nil != err {
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logging.LogErrorf("unmarshal attribute view [%s] failed: %s", avID, err)
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return
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}
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if 1 > len(ret.Views) {
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view := NewView()
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ret.CurrentViewID = view.ID
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ret.Views = []*View{view}
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}
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return
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}
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func ParseAttributeViewMap(avID string) (ret map[string]interface{}, err error) {
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ret = map[string]interface{}{}
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avJSONPath := getAttributeViewDataPath(avID)
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if !gulu.File.IsExist(avJSONPath) {
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av := NewAttributeView(avID)
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var data []byte
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data, err = gulu.JSON.MarshalJSON(av)
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if nil == err {
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return
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}
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err = gulu.JSON.UnmarshalJSON(data, &ret)
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return
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}
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data, err := filelock.ReadFile(avJSONPath)
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if nil != err {
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logging.LogErrorf("read attribute view [%s] failed: %s", avID, err)
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return
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}
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if err = gulu.JSON.UnmarshalJSON(data, &ret); nil != err {
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logging.LogErrorf("unmarshal attribute view [%s] failed: %s", avID, err)
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return
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}
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return
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}
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func SaveAttributeView(av *AttributeView) (err error) {
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data, err := gulu.JSON.MarshalIndentJSON(av, "", "\t")
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if nil != err {
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logging.LogErrorf("marshal attribute view [%s] failed: %s", av.ID, err)
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return
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}
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avJSONPath := getAttributeViewDataPath(av.ID)
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if err = filelock.WriteFile(avJSONPath, data); nil != err {
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logging.LogErrorf("save attribute view [%s] failed: %s", av.ID, err)
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return
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}
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return
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}
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func (av *AttributeView) GetView(viewID string) (ret *View, err error) {
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for _, v := range av.Views {
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if v.ID == viewID {
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ret = v
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return
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}
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}
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err = ErrViewNotFound
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return
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}
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func getAttributeViewDataPath(avID string) (ret string) {
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av := filepath.Join(util.DataDir, "storage", "av")
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ret = filepath.Join(av, avID+".json")
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if !gulu.File.IsDir(av) {
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if err := os.MkdirAll(av, 0755); nil != err {
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logging.LogErrorf("create attribute view dir failed: %s", err)
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return
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}
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}
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return
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}
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var (
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ErrViewNotFound = errors.New("view not found")
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)
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