musala/cmd/trello2mail/trello.go

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package main
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import (
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"bytes"
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"fmt"
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// "github.com/adlio/trello"
trello "github.com/glenux/contrib-trello"
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"github.com/russross/blackfriday/v2"
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"log"
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"net/url"
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"os/exec"
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"strings"
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"text/template"
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)
const (
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// See https://trello.com/app-key
APP_KEY string = "58117ebf843d49b05bca074c5fd520ee"
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)
type TrelloConfig struct {
Url string
Token string
}
type TrelloCtx struct {
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Token string
Client *trello.Client
}
type TrelloBoard struct {
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Ctx *TrelloCtx
Ptr *trello.Board
Starred bool
Closed bool
Name string
}
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func runcmd(command string) string {
shell := "/bin/sh"
flag := "-c"
out, err := exec.Command(shell, flag, command).Output()
if err != nil {
panic(err)
}
return string(out)
}
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func GetTokenProcessMessage() string {
url := strings.Join([]string{
"https://trello.com/1/authorize?expiration=never",
"name=taskell",
"scope=read",
"response_type=token",
fmt.Sprintf("key=%s", APP_KEY),
}, "&")
text := strings.Join([]string{
"Wrong TRELLO_TOKEN value. Please visit:",
url,
"When you have your access token, set TRELLO_TOKEN=<your-token>",
}, "\n\n")
return text
}
func NewTrello(token string) *TrelloCtx {
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client := trello.NewClient(APP_KEY, token)
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ctx := TrelloCtx{}
ctx.Token = token
ctx.Client = client
return &ctx
}
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func (ctx *TrelloCtx) GetBoards() []TrelloBoard {
var result []TrelloBoard
token, err := ctx.Client.GetToken(ctx.Token, trello.Defaults())
if err != nil {
log.Panic(err)
}
member, err := ctx.Client.GetMember(token.IDMember, trello.Defaults())
if err != nil {
log.Panic(err)
}
boards, err := member.GetBoards(trello.Defaults())
if err != nil {
log.Panic(err)
}
for _, board := range boards {
result = append(result, TrelloBoard{
Ctx: ctx,
Starred: board.Starred,
Closed: board.Closed,
Ptr: board,
Name: board.Name,
})
}
return result
}
func (ctx *TrelloCtx) GetBoard(boardUrl string) TrelloBoard {
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parsedUrl, err := url.Parse(boardUrl)
if err != nil {
panic(err)
}
boardId := strings.Split(parsedUrl.Path, "/")[2]
board, err := ctx.Client.GetBoard(boardId, trello.Defaults())
if err != nil {
log.Panic(err)
}
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return TrelloBoard{
Ctx: ctx,
Starred: board.Starred,
Closed: board.Closed,
Ptr: board,
Name: board.Name,
}
}
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type CardData struct {
Name string
Url string
}
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type ListData struct {
Name string
Cards []CardData
}
type BoardData struct {
Name string
Url string
Lists []ListData
}
func (board *TrelloBoard) ExportData() BoardData {
var boardData = BoardData{
Name: board.Ptr.Name,
Url: board.Ptr.ShortUrl,
Lists: make([]ListData, 0),
}
// get lists
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lists, err := board.Ptr.GetLists(trello.Defaults())
if err != nil {
log.Panic(err)
}
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// fill in reverse order
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for listIdx := len(lists) - 1; listIdx >= 0; listIdx -= 1 {
list := lists[listIdx]
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listData := ListData{
Name: list.Name,
Cards: make([]CardData, 0),
}
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cards, err := list.GetCards(trello.Defaults())
if err != nil {
log.Panic(err)
}
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for _, card := range cards {
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cardData := CardData{
Name: card.Name,
Url: card.Url,
}
listData.Cards = append(listData.Cards, cardData)
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}
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boardData.Lists = append(boardData.Lists, listData)
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}
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return boardData
}
func (board *TrelloBoard) ExportToMarkdown() string {
var buf bytes.Buffer
data := board.ExportData()
t, err := template.ParseFiles("templates/markdown.tmpl")
if err != nil {
log.Panic("Unable to parse template files")
}
if err := t.Execute(&buf, data); err != nil {
log.Panicf("Template execution: %s", err)
}
return buf.String()
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}
func (board *TrelloBoard) ExportToHtml() string {
markdown := board.ExportToMarkdown()
html := blackfriday.Run([]byte(markdown))
return string(html)
}