Golang Service.SendFile方法代码示例

func (p *comicPlugin) makeComic(bot *bruxism.Bot, service bruxism.Service, message bruxism.Message, script *comicgen.Script) {
	p.Comics++
	comic := comicgen.NewComicGen("arial", service.Name() != bruxism.DiscordServiceName)
	image, err := comic.MakeComic(script)
	if err != nil {
		service.SendMessage(message.Channel(), fmt.Sprintf("Sorry %s, there was an error creating the comic. %s", message.UserName(), err))
	} else {
		go func() {
			if service.Name() == bruxism.DiscordServiceName {
				discord := service.(*bruxism.Discord)
				p, err := discord.UserChannelPermissions(message.UserID(), message.Channel())
				if err == nil && p&discordgo.PermissionAttachFiles != 0 {
					b := &bytes.Buffer{}
					err = png.Encode(b, image)
					if err != nil {
						service.SendMessage(message.Channel(), fmt.Sprintf("Sorry %s, there was a problem creating your comic.", message.UserName()))
						return
					}

					if err := service.SendFile(message.Channel(), "comic.png", b); err == nil {
						return
					}
				}
			}

			b := &bytes.Buffer{}
			err = png.Encode(b, image)
			if err != nil {
				service.SendMessage(message.Channel(), fmt.Sprintf("Sorry %s, there was a problem creating your comic.", message.UserName()))
				return
			}

			url, err := bot.UploadToImgur(b, "comic.png")
			if err != nil {
				service.SendMessage(message.Channel(), fmt.Sprintf("Sorry %s, there was a problem uploading the comic to imgur.", message.UserName()))
				log.Println("Error uploading comic: ", err)
				return
			}

			if service.Name() == bruxism.DiscordServiceName {
				service.SendMessage(message.Channel(), fmt.Sprintf("Here's your comic <@%s>: %s", message.UserID(), url))
			} else {
				service.SendMessage(message.Channel(), fmt.Sprintf("Here's your comic %s: %s", message.UserName(), url))
			}

			runtime.GC()
		}()
	}
}

func emojiMessageFunc(bot *bruxism.Bot, service bruxism.Service, message bruxism.Message) {
	if service.Name() == bruxism.DiscordServiceName && !service.IsMe(message) {
		if bruxism.MatchesCommand(service, "emoji", message) || bruxism.MatchesCommand(service, "hugemoji", message) {
			base := "emoji/twitter"
			if bruxism.MatchesCommand(service, "hugemoji", message) {
				base = "emoji/twitterhuge"
			}
			_, parts := bruxism.ParseCommand(service, message)
			if len(parts) == 1 {
				submatches := discordRegex.FindStringSubmatch(parts[0])
				if len(submatches) != 0 {
					h, err := http.Get("https://cdn.discordapp.com/emojis/" + submatches[1] + ".png")
					if err != nil {
						return
					}

					service.SendFile(message.Channel(), "emoji.png", h.Body)
					h.Body.Close()

					return

				}

				s := strings.TrimSpace(parts[0])
				for i := range s {
					filename := emojiFile(base, s[i:])
					if filename != "" {
						if f, err := os.Open(fmt.Sprintf("%s/%s.png", base, filename)); err == nil {
							defer f.Close()
							service.SendFile(message.Channel(), "emoji.png", f)

							return
						}
					}
				}
			}
		}
	}
}

func (p *chartPlugin) messageFunc(bot *bruxism.Bot, service bruxism.Service, message bruxism.Message) {
	if service.IsMe(message) {
		return
	}

	if bruxism.MatchesCommand(service, "chart", message) {
		query, parts := bruxism.ParseCommand(service, message)
		if len(parts) == 0 {
			service.SendMessage(message.Channel(), fmt.Sprintf("Invalid chart eg: %s", p.randomChart(service)))
			return
		}

		start, end := 0.5, 0.5

		switch parts[0] {
		case "up":
			start, end = 0, 1
		case "down":
			start, end = 1, 0
		case "flat":
		case "straight":
		default:
			service.SendMessage(message.Channel(), fmt.Sprintf("Invalid chart direction. eg: %s", p.randomChart(service)))
			return
		}

		axes := strings.Split(query[len(parts[0]):], ",")
		if len(axes) != 2 {
			service.SendMessage(message.Channel(), fmt.Sprintf("Invalid chart axis labels eg: %s", p.randomChart(service)))
			return
		}

		pl, err := plot.New()
		if err != nil {
			service.SendMessage(message.Channel(), fmt.Sprintf("Error making chart, sorry! eg: %s", p.randomChart(service)))
			return
		}

		service.Typing(message.Channel())

		pl.Y.Label.Text = axes[0]
		pl.X.Label.Text = axes[1]

		num := 5 + rand.Intn(15)

		start *= float64(num)
		end *= float64(num)

		pts := make(plotter.XYs, num)
		for i := range pts {
			pts[i].X = float64(i) + rand.Float64()*0.5 - 0.2
			pts[i].Y = start + float64(end-start)/float64(num-1)*float64(i) + rand.Float64()*0.5 - 0.25
		}

		pl.X.Tick.Label.Color = color.Transparent
		pl.Y.Tick.Label.Color = color.Transparent

		pl.X.Min = -0.5
		pl.X.Max = float64(num) + 0.5

		pl.Y.Min = -0.5
		pl.Y.Max = float64(num) + 0.5

		lpLine, lpPoints, err := plotter.NewLinePoints(pts)
		if err != nil {
			service.SendMessage(message.Channel(), fmt.Sprintf("Sorry %s, there was a problem creating your chart.", message.UserName()))
		}
		lpLine.Color = plotutil.Color(rand.Int())
		lpLine.Width = vg.Points(1 + 0.5*rand.Float64())
		lpLine.Dashes = plotutil.Dashes(rand.Int())
		lpPoints.Shape = plotutil.Shape(rand.Int())
		lpPoints.Color = lpLine.Color

		pl.Add(lpLine, lpPoints)

		w, err := pl.WriterTo(320, 240, "png")
		if err != nil {
			service.SendMessage(message.Channel(), fmt.Sprintf("Sorry %s, there was a problem creating your chart.", message.UserName()))
			return
		}

		b := &bytes.Buffer{}
		w.WriteTo(b)

		go func() {
			if service.Name() == bruxism.DiscordServiceName {
				discord := service.(*bruxism.Discord)
				p, err := discord.UserChannelPermissions(message.UserID(), message.Channel())
				if err == nil && p&discordgo.PermissionAttachFiles != 0 {
					service.SendFile(message.Channel(), "chart.png", b)
					return
				}
			}

			url, err := bot.UploadToImgur(b, "chart.png")
			if err != nil {
				service.SendMessage(message.Channel(), fmt.Sprintf("Sorry %s, there was a problem uploading the chart to imgur.", message.UserName()))
				log.Println("Error uploading chart: ", err)
				return
			}
//.........这里部分代码省略.........