mirror of https://github.com/velour/catbase.git
meme: add configurable memes
This commit is contained in:
Chris Sexton
parent
bd2e28f72a
commit
250ce836bf
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@ -4,7 +4,6 @@ import (
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"bytes"
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"encoding/json"
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"fmt"
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"html/template"
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"image"
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"image/color"
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"image/draw"
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@ -13,7 +12,6 @@ import (
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"net/url"
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"path"
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"regexp"
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"sort"
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"strings"
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"time"
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@ -40,6 +38,12 @@ type cachedImage struct {
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repr []byte
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}
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type memeText struct {
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XPerc float64 `json:"x"`
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YPerc float64 `json:"y"`
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Text string `json:"t"`
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}
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var horizon = 24 * 7
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type cachedImages map[string]*cachedImage
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@ -92,6 +96,8 @@ func (p *MemePlugin) help(c bot.Connector, kind bot.Kind, message msg.Message, a
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msg += fmt.Sprintf("\nor a format from the list of %d pre-made memes listed on the website", len(formats))
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msg += fmt.Sprintf("\nHead over to %s/meme to view and add new meme formats", webRoot)
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msg += "\nYou can use `_` as a placeholder for empty text and a newline (|| on Discord) to separate top vs bottom."
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msg += "\nOR you can configure the text yourself with JSON. Send a code quoted message like:"
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msg += "```/meme doge `[{\"x\": 0.2, \"y\": 0.1, \"t\": \"such image\"},{\"x\": 0.7, \"y\": 0.5, \"t\": \"much meme\"},{\"x\": 0.4, \"y\": 0.8, \"t\": \"wow\"}]` ```"
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p.bot.Send(c, bot.Message, message.Channel, msg)
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return true
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}
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@ -120,101 +126,6 @@ type ByName struct{ webResps }
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func (s ByName) Less(i, j int) bool { return s.webResps[i].Name < s.webResps[j].Name }
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func (p *MemePlugin) all(w http.ResponseWriter, r *http.Request) {
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memes := p.c.GetMap("meme.memes", defaultFormats)
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values := webResps{}
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for n, u := range memes {
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realURL, err := url.Parse(u)
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if err != nil || realURL.Scheme == "" {
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realURL, err = url.Parse("https://imgflip.com/s/meme/" + u)
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if err != nil {
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values = append(values, webResp{n, "404.png"})
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log.Error().Err(err).Msgf("invalid URL")
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continue
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}
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}
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values = append(values, webResp{n, realURL.String()})
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}
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sort.Sort(ByName{values})
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out, err := json.Marshal(values)
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if err != nil {
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w.WriteHeader(500)
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log.Error().Err(err).Msgf("could not serve all memes route")
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return
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}
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w.Write(out)
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}
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func mkCheckError(w http.ResponseWriter) func(error) bool {
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return func(err error) bool {
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if err != nil {
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log.Error().Err(err).Msgf("meme failed")
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w.WriteHeader(500)
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e, _ := json.Marshal(err)
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w.Write(e)
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return true
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}
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return false
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}
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}
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func (p *MemePlugin) rmMeme(w http.ResponseWriter, r *http.Request) {
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if r.Method != http.MethodDelete {
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w.WriteHeader(405)
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fmt.Fprintf(w, "Incorrect HTTP method")
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return
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}
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checkError := mkCheckError(w)
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decoder := json.NewDecoder(r.Body)
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values := webResp{}
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err := decoder.Decode(&values)
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if checkError(err) {
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return
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}
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formats := p.c.GetMap("meme.memes", defaultFormats)
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delete(formats, values.Name)
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err = p.c.SetMap("meme.memes", formats)
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checkError(err)
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}
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func (p *MemePlugin) addMeme(w http.ResponseWriter, r *http.Request) {
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if r.Method != http.MethodPost {
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w.WriteHeader(405)
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fmt.Fprintf(w, "Incorrect HTTP method")
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return
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}
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checkError := mkCheckError(w)
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decoder := json.NewDecoder(r.Body)
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values := webResp{}
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err := decoder.Decode(&values)
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if checkError(err) {
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return
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}
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formats := p.c.GetMap("meme.memes", defaultFormats)
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formats[values.Name] = values.URL
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err = p.c.SetMap("meme.memes", formats)
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checkError(err)
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}
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func (p *MemePlugin) webRoot(w http.ResponseWriter, r *http.Request) {
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var tpl = template.Must(template.New("factoidIndex").Parse(string(memeIndex)))
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tpl.Execute(w, struct{ Nav []bot.EndPoint }{p.bot.GetWebNavigation()})
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}
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func (p *MemePlugin) img(w http.ResponseWriter, r *http.Request) {
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_, file := path.Split(r.URL.Path)
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id := file
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if img, ok := p.images[id]; ok {
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w.Write(img.repr)
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} else {
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w.WriteHeader(404)
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w.Write([]byte("not found"))
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}
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p.images.cleanup()
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}
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func (p *MemePlugin) bully(c bot.Connector, format, id string) image.Image {
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bullyIcon := ""
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@ -262,6 +173,18 @@ func (p *MemePlugin) sendMeme(c bot.Connector, channel, channelName, msgID strin
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log.Debug().Strs("parts", parts).Msgf("Meme:\n%+v", text)
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go func() {
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var config []memeText
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message = strings.TrimPrefix(message, "`")
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message = strings.TrimSuffix(message, "`")
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err := json.Unmarshal([]byte(message), &config)
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if err == nil {
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message = ""
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for _, c := range config {
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message += c.Text + "\n"
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}
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} else {
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top, bottom := "", message
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if strings.Contains(message, "||") {
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parts = strings.Split(message, "||")
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@ -278,9 +201,17 @@ func (p *MemePlugin) sendMeme(c bot.Connector, channel, channelName, msgID strin
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message = top
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}
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topPos := p.bot.Config().GetFloat64("meme.top", 0.05)
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bottomPos := p.bot.Config().GetFloat64("meme.bottom", 0.95)
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config = []memeText{
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{Text: top, XPerc: 0.5, YPerc: topPos},
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{Text: bottom, XPerc: 0.5, YPerc: bottomPos},
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}
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}
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bullyImg := p.bully(c, format, from.ID)
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id, w, h, err := p.genMeme(format, top, bottom, bullyImg)
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id, w, h, err := p.genMeme(format, bullyImg, config)
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if err != nil {
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msg := fmt.Sprintf("Hey %v, I couldn't download that image you asked for.", from.Name)
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p.bot.Send(c, bot.Message, channel, msg)
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@ -374,10 +305,46 @@ var defaultFormats = map[string]string{
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"raptor": "Philosoraptor.jpg",
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}
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func (p *MemePlugin) genMeme(meme, top, bottom string, bully image.Image) (string, int, int, error) {
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fontSizes := []float64{48, 36, 24, 16, 12}
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fontSize := fontSizes[0]
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func (p *MemePlugin) findFontSize(config []memeText, w, h int, sizes []float64) float64 {
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fontSize := 12.0
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m := gg.NewContext(w, h)
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fontLocation := p.c.Get("meme.font", "impact.ttf")
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longestStr, longestW := "", 0.0
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for _, s := range config {
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err := m.LoadFontFace(fontLocation, 12) // problem
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if err != nil {
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log.Error().Err(err).Msg("could not load font")
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return fontSize
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}
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w, _ := m.MeasureString(s.Text)
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if w > longestW {
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longestStr = s.Text
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longestW = w
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}
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}
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for _, sz := range sizes {
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err := m.LoadFontFace(fontLocation, sz) // problem
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if err != nil {
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log.Error().Err(err).Msg("could not load font")
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return fontSize
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}
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topW, _ := m.MeasureString(longestStr)
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if topW < float64(w) {
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fontSize = sz
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break
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}
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}
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return fontSize
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}
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func (p *MemePlugin) genMeme(meme string, bully image.Image, config []memeText) (string, int, int, error) {
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fontSizes := []float64{48, 36, 24, 16, 12}
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formats := p.c.GetMap("meme.memes", defaultFormats)
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path := uuid.New().String()
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@ -405,6 +372,8 @@ func (p *MemePlugin) genMeme(meme, top, bottom string, bully image.Image) (strin
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w := r.Dx()
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h := r.Dy()
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// /meme2 5guys [{"x": 0.1, "y": 0.1, "t": "test"}]
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maxSz := p.c.GetFloat64("maxImgSz", 750.0)
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if w > h {
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@ -431,25 +400,7 @@ func (p *MemePlugin) genMeme(meme, top, bottom string, bully image.Image) (strin
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m := gg.NewContext(w, h)
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m.DrawImage(img, 0, 0)
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fontLocation := p.c.Get("meme.font", "impact.ttf")
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for _, sz := range fontSizes {
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err = m.LoadFontFace(fontLocation, sz) // problem
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if err != nil {
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log.Error().Err(err).Msg("could not load font")
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}
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topW, _ := m.MeasureString(top)
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botW, _ := m.MeasureString(bottom)
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if topW < float64(w) && botW < float64(w) {
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fontSize = sz
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break
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}
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}
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if top == "_" {
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top = ""
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}
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if bottom == "_" {
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bottom = ""
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}
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m.LoadFontFace(fontLocation, p.findFontSize(config, w, h, fontSizes))
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// Apply black stroke
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m.SetHexColor("#000")
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@ -460,18 +411,21 @@ func (p *MemePlugin) genMeme(meme, top, bottom string, bully image.Image) (strin
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if dx*dx+dy*dy >= strokeSize*strokeSize {
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continue
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}
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x := float64(w/2 + dx)
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y := float64(h) - fontSize + float64(dy)
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y0 := fontSize + float64(dy)
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m.DrawStringAnchored(top, x, y0, 0.5, 0.5)
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m.DrawStringAnchored(bottom, x, y, 0.5, 0.5)
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for _, c := range config {
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x := float64(w)*c.XPerc + float64(dx)
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y := float64(h)*c.YPerc + float64(dy)
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m.DrawStringAnchored(c.Text, x, y, 0.5, 0.5)
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}
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}
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}
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// Apply white fill
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m.SetHexColor("#FFF")
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m.DrawStringAnchored(top, float64(w)/2, fontSize, 0.5, 0.5)
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m.DrawStringAnchored(bottom, float64(w)/2, float64(h)-fontSize, 0.5, 0.5)
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for _, c := range config {
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x := float64(w) * c.XPerc
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y := float64(h) * c.YPerc
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m.DrawStringAnchored(c.Text, x, y, 0.5, 0.5)
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}
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i := bytes.Buffer{}
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png.Encode(&i, m.Image())
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@ -0,0 +1,110 @@
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package meme
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import (
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"encoding/json"
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"fmt"
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"html/template"
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"net/http"
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"net/url"
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"path"
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"sort"
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"github.com/rs/zerolog/log"
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"github.com/velour/catbase/bot"
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)
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func (p *MemePlugin) all(w http.ResponseWriter, r *http.Request) {
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memes := p.c.GetMap("meme.memes", defaultFormats)
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values := webResps{}
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for n, u := range memes {
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realURL, err := url.Parse(u)
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if err != nil || realURL.Scheme == "" {
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realURL, err = url.Parse("https://imgflip.com/s/meme/" + u)
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if err != nil {
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values = append(values, webResp{n, "404.png"})
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log.Error().Err(err).Msgf("invalid URL")
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continue
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}
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}
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values = append(values, webResp{n, realURL.String()})
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}
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sort.Sort(ByName{values})
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out, err := json.Marshal(values)
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if err != nil {
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w.WriteHeader(500)
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log.Error().Err(err).Msgf("could not serve all memes route")
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return
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}
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w.Write(out)
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}
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func mkCheckError(w http.ResponseWriter) func(error) bool {
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return func(err error) bool {
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if err != nil {
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log.Error().Err(err).Msgf("meme failed")
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w.WriteHeader(500)
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e, _ := json.Marshal(err)
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w.Write(e)
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return true
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}
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return false
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}
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}
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func (p *MemePlugin) rmMeme(w http.ResponseWriter, r *http.Request) {
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if r.Method != http.MethodDelete {
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w.WriteHeader(405)
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fmt.Fprintf(w, "Incorrect HTTP method")
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return
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}
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checkError := mkCheckError(w)
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decoder := json.NewDecoder(r.Body)
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values := webResp{}
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err := decoder.Decode(&values)
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if checkError(err) {
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return
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}
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formats := p.c.GetMap("meme.memes", defaultFormats)
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delete(formats, values.Name)
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err = p.c.SetMap("meme.memes", formats)
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checkError(err)
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}
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func (p *MemePlugin) addMeme(w http.ResponseWriter, r *http.Request) {
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if r.Method != http.MethodPost {
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w.WriteHeader(405)
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fmt.Fprintf(w, "Incorrect HTTP method")
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return
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}
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checkError := mkCheckError(w)
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decoder := json.NewDecoder(r.Body)
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values := webResp{}
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err := decoder.Decode(&values)
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if checkError(err) {
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return
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}
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formats := p.c.GetMap("meme.memes", defaultFormats)
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formats[values.Name] = values.URL
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err = p.c.SetMap("meme.memes", formats)
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checkError(err)
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}
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func (p *MemePlugin) webRoot(w http.ResponseWriter, r *http.Request) {
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var tpl = template.Must(template.New("factoidIndex").Parse(string(memeIndex)))
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tpl.Execute(w, struct{ Nav []bot.EndPoint }{p.bot.GetWebNavigation()})
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}
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func (p *MemePlugin) img(w http.ResponseWriter, r *http.Request) {
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_, file := path.Split(r.URL.Path)
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id := file
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if img, ok := p.images[id]; ok {
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w.Write(img.repr)
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} else {
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w.WriteHeader(404)
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w.Write([]byte("not found"))
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}
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p.images.cleanup()
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}
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