151 lines
3.0 KiB
Go
151 lines
3.0 KiB
Go
package glist
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import (
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"encoding/json"
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"fmt"
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"log"
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"os"
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"path"
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"sync"
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"time"
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)
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var DataPath string
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type Entry struct {
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Text string `json:"text"`
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Checked bool `json:"checked"`
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}
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type GList struct {
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AllMsgCounter int `json:"-"`
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Mutex sync.Mutex `json:"-"`
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ChatID int `json:"chat_id"`
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MessageID *int `json:"message_id"`
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Items []Entry `json:"items"`
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}
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func NewGList(chatID int, items ...string) *GList {
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g := GList{ChatID: chatID}
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for _, text := range items {
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g.Items = append(g.Items, Entry{text, false})
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}
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return &g
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}
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var reqs chan *GList
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func DoPersist() {
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reqs = make(chan *GList, 50)
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go func() {
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for range time.Tick(5 * time.Second) {
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lists := map[*GList]struct{}{}
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loop:
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for {
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select {
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case g := <-reqs:
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lists[g] = struct{}{}
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default:
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break loop
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}
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}
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for g := range lists {
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g.persist()
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}
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}
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}()
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}
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func (g *GList) persist() {
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g.Mutex.Lock()
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defer g.Mutex.Unlock()
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data, err := json.Marshal(g)
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if err != nil {
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log.Panicln("failed to marshal")
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}
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filename := path.Join(DataPath, fmt.Sprintf("chkchat%d", g.ChatID))
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if err := os.WriteFile(filename, data, 0644); err != nil {
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log.Panicln("failed to write to file")
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}
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}
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func (g *GList) Add(text string) error {
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for _, item := range g.Items {
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if item.Text == text {
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return fmt.Errorf("dupe:%s", text)
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}
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}
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g.Items = append(g.Items, Entry{text, false})
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reqs <- g
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return nil
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}
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func (g *GList) Toggle(text string) error {
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for i, item := range g.Items {
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if item.Text == text {
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g.Items[i].Checked = !g.Items[i].Checked
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reqs <- g
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return nil
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}
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}
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return fmt.Errorf("not found:%s", text)
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}
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func (g *GList) ClearChecked() {
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var remaining []Entry
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for _, item := range g.Items {
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if !item.Checked {
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remaining = append(remaining, item)
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}
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}
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g.Items = remaining
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reqs <- g
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}
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type button struct {
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Text string `json:"text"`
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CallbackData string `json:"callback_data"`
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}
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type newListReq struct {
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ChatID int `json:"chat_id"`
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MessageID *int `json:"message_id,omitempty"`
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Text string `json:"text"`
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ReplyMarkup struct {
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InlineKeyboard [][]button `json:"inline_keyboard"`
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} `json:"reply_markup"`
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}
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func makeButton(e Entry) button {
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b := button{Text: e.Text, CallbackData: e.Text}
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if e.Checked {
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b.Text = fmt.Sprintf("✓ %s", e.Text)
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}
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return b
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}
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func makeButtons(items []Entry) [][]button {
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var buttons [][]button
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var current []button
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for _, item := range items {
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current = append(current, makeButton(item))
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if len(current) == 2 {
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buttons = append(buttons, current)
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current = []button{}
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}
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}
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if len(current) != 0 {
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buttons = append(buttons, current)
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}
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return buttons
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}
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func (g *GList) GenSendListReq() ([]byte, error) {
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req := newListReq{ChatID: g.ChatID, MessageID: g.MessageID, Text: "List:"}
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itemButtons := makeButtons(g.Items)
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controlButtons := []button{{"clear checked", "clear"}}
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req.ReplyMarkup.InlineKeyboard = append(itemButtons, controlButtons)
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data, err := json.Marshal(req)
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return data, err
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}
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