feat(ui): add audio upload button in chat view

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

core/http/static/chat.js

@@ -49,12 +49,13 @@ function submitSystemPrompt(event) {
 }
 
 var image = "";
+var audio = "";
 
 function submitPrompt(event) {
   event.preventDefault();
 
   const input = document.getElementById("input").value;
-  Alpine.store("chat").add("user", input, image);
+  Alpine.store("chat").add("user", input, image, audio);
   document.getElementById("input").value = "";
   const systemPrompt = localStorage.getItem("system_prompt");
   Alpine.nextTick(() => { document.getElementById('messages').scrollIntoView(false); });
@@ -62,7 +63,6 @@ function submitPrompt(event) {
 }
 
 function readInputImage() {
-
   if (!this.files || !this.files[0]) return;
 
   const FR = new FileReader();
@@ -74,15 +74,25 @@ function readInputImage() {
   FR.readAsDataURL(this.files[0]);
 }
 
+function readInputAudio() {
+  if (!this.files || !this.files[0]) return;
 
-  async function promptGPT(systemPrompt, input) {
+  const FR = new FileReader();
+
+  FR.addEventListener("load", function(evt) {
+    audio = evt.target.result;
+  });
+
+  FR.readAsDataURL(this.files[0]);
+}
+
+async function promptGPT(systemPrompt, input) {
   const model = document.getElementById("chat-model").value;
   // Set class "loader" to the element with "loader" id
   //document.getElementById("loader").classList.add("loader");
   // Make the "loader" visible
   toggleLoader(true);
 
-
   messages = Alpine.store("chat").messages();
 
   // if systemPrompt isn't empty, push it at the start of messages
@@ -93,9 +103,9 @@ function readInputImage() {
     });
   }
 
-    // loop all messages, and check if there are images. If there are, we need to change the content field
+  // loop all messages, and check if there are images or audios. If there are, we need to change the content field
   messages.forEach((message) => {
-      if (message.image) {
+    if (message.image || message.audio) {
       // The content field now becomes an array
       message.content = [
         {
@@ -103,6 +113,8 @@ function readInputImage() {
           "text": message.content
         }
       ]
+      
+      if (message.image) {
         message.content.push(
           {
             "type": "image_url",
@@ -111,44 +123,30 @@ function readInputImage() {
             }
           }
         );
-
-        // remove the image field
         delete message.image;
       }
+
+      if (message.audio) {
+        message.content.push(
+          {
+            "type": "audio_url",
+            "audio_url": {
+              "url": message.audio,
+            }
+          }
+        );
+        delete message.audio;
+      }
+    }
   });
 
-       // reset the form and the image
+  // reset the form and the files
   image = "";
+  audio = "";
   document.getElementById("input_image").value = null;
+  document.getElementById("input_audio").value = null;
   document.getElementById("fileName").innerHTML = "";
 
-    // if (image) {
-    //   // take the last element content's and add the image
-    //   last_message = messages[messages.length - 1]
-    //   // The content field now becomes an array
-    //   last_message.content = [
-    //     {
-    //       "type": "text",
-    //       "text": last_message.content
-    //     }
-    //    ]
-    //   last_message.content.push(
-    //     {
-    //       "type": "image_url",
-    //       "image_url": {
-    //         "url": image,
-    //       }
-    //     }
-    //   );
-    //   // and we replace it in the messages array
-    //   messages[messages.length - 1] = last_message
-
-    //   // reset the form and the image
-    //   image = "";
-    //   document.getElementById("input_image").value = null;
-    //   document.getElementById("fileName").innerHTML = "";
-    // }
-
   // Source: https://stackoverflow.com/a/75751803/11386095
   const response = await fetch("v1/chat/completions", {
     method: "POST",
@@ -256,23 +254,23 @@ function readInputImage() {
   document.getElementById('messages').scrollIntoView(false)
   // set focus to the input
   document.getElementById("input").focus();
-  }
+}
 
-  document.getElementById("system_prompt").addEventListener("submit", submitSystemPrompt);
+document.getElementById("system_prompt").addEventListener("submit", submitSystemPrompt);
+document.getElementById("prompt").addEventListener("submit", submitPrompt);
+document.getElementById("input").focus();
+document.getElementById("input_image").addEventListener("change", readInputImage);
+document.getElementById("input_audio").addEventListener("change", readInputAudio);
 
-  document.getElementById("prompt").addEventListener("submit", submitPrompt);
+storesystemPrompt = localStorage.getItem("system_prompt");
-  document.getElementById("input").focus();
+if (storesystemPrompt) {
-  document.getElementById("input_image").addEventListener("change", readInputImage);
-
-  storesystemPrompt = localStorage.getItem("system_prompt");
-  if (storesystemPrompt) {
   document.getElementById("systemPrompt").value = storesystemPrompt;
-  } else {
+} else {
   document.getElementById("systemPrompt").value = null;
-  }
+}
 
-  marked.setOptions({
+marked.setOptions({
   highlight: function (code) {
     return hljs.highlightAuto(code).value;
   },
-  });
+});

core/http/views/chat.html

@@ -218,6 +218,8 @@ SOFTWARE.
             Start chatting with the AI by typing a prompt in the input field below and pressing Enter.
             For models that support images, you can upload an image by clicking the paperclip
             <i class="fa-solid fa-paperclip"></i> icon.
+            For models that support audio, you can upload an audio file by clicking the microphone
+            <i class="fa-solid fa-microphone"></i> icon.
           </p>
           <div id="messages" class="max-w-3xl mx-auto">
             <template x-for="message in history">
@@ -290,6 +292,12 @@ SOFTWARE.
                   class="fa-solid fa-paperclip text-gray-400 absolute right-12 top-4 text-lg p-2 hover:text-blue-400 transition-colors duration-200"
                   title="Attach an image"
                 ></button>
+                <button
+                  type="button"
+                  onclick="document.getElementById('input_audio').click()"
+                  class="fa-solid fa-microphone text-gray-400 absolute right-20 top-4 text-lg p-2 hover:text-blue-400 transition-colors duration-200"
+                  title="Attach an audio file"
+                ></button>
                 
                 <!-- Send button and loader in the same position -->
                 <div class="absolute right-3 top-4">
@@ -320,6 +328,13 @@ SOFTWARE.
               style="display: none;"
               @change="fileName = $event.target.files[0].name"
             />
+            <input
+              id="input_audio"
+              type="file"
+              accept="audio/*"
+              style="display: none;"
+              @change="fileName = $event.target.files[0].name"
+            />
           </div>
           </form>
         </div>
@@ -381,7 +396,7 @@ SOFTWARE.
           clear() {
             this.history.length = 0;
           },
-          add(role, content, image) {
+          add(role, content, image, audio) {
             const N = this.history.length - 1;
             if (this.history.length && this.history[N].role === role) {
               this.history[N].content += content;
@@ -394,7 +409,7 @@ SOFTWARE.
               lines.forEach((line) => {
                 c += DOMPurify.sanitize(marked.parse(line));
               });
-              this.history.push({ role, content, html: c, image });
+              this.history.push({ role, content, html: c, image, audio });
             }
             document.getElementById('messages').scrollIntoView(false);
             const parser = new DOMParser();
@@ -418,6 +433,7 @@ SOFTWARE.
               role: message.role,
               content: message.content,
               image: message.image,
+              audio: message.audio,
             }));
           },
         });

go.mod

@@ -82,6 +82,7 @@ require (
 	github.com/modern-go/reflect2 v1.0.2 // indirect
 	github.com/morikuni/aec v1.0.0 // indirect
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
+	github.com/orcaman/writerseeker v0.0.0-20200621085525-1d3f536ff85e // indirect
 	github.com/pion/datachannel v1.5.10 // indirect
 	github.com/pion/dtls/v2 v2.2.12 // indirect
 	github.com/pion/dtls/v3 v3.0.4 // indirect

go.sum

@@ -546,6 +546,8 @@ github.com/opencontainers/runtime-spec v1.2.0/go.mod h1:jwyrGlmzljRJv/Fgzds9SsS/
 github.com/opentracing/opentracing-go v1.2.0 h1:uEJPy/1a5RIPAJ0Ov+OIO8OxWu77jEv+1B0VhjKrZUs=
 github.com/opentracing/opentracing-go v1.2.0/go.mod h1:GxEUsuufX4nBwe+T+Wl9TAgYrxe9dPLANfrWvHYVTgc=
 github.com/openzipkin/zipkin-go v0.1.1/go.mod h1:NtoC/o8u3JlF1lSlyPNswIbeQH9bJTmOf0Erfk+hxe8=
+github.com/orcaman/writerseeker v0.0.0-20200621085525-1d3f536ff85e h1:s2RNOM/IGdY0Y6qfTeUKhDawdHDpK9RGBdx80qN4Ttw=
+github.com/orcaman/writerseeker v0.0.0-20200621085525-1d3f536ff85e/go.mod h1:nBdnFKj15wFbf94Rwfq4m30eAcyY9V/IyKAGQFtqkW0=
 github.com/otiai10/mint v1.6.1 h1:kgbTJmOpp/0ce7hk3H8jiSuR0MXmpwWRfqUdKww17qg=
 github.com/otiai10/mint v1.6.1/go.mod h1:MJm72SBthJjz8qhefc4z1PYEieWmy8Bku7CjcAqyUSM=
 github.com/otiai10/openaigo v1.7.0 h1:AOQcOjRRM57ABvz+aI2oJA/Qsz1AydKbdZAlGiKyCqg=

pkg/utils/base64.go

@@ -5,14 +5,19 @@ import (
 	"fmt"
 	"io"
 	"net/http"
+	"regexp"
 	"strings"
 	"time"
+
+	"github.com/rs/zerolog/log"
 )
 
 var base64DownloadClient http.Client = http.Client{
 	Timeout: 30 * time.Second,
 }
 
+var dataURIPattern = regexp.MustCompile(`^data:([^;]+);base64,`)
+
 // GetContentURIAsBase64 checks if the string is an URL, if it's an URL downloads the content in memory encodes it in base64 and returns the base64 string, otherwise returns the string by stripping base64 data headers
 func GetContentURIAsBase64(s string) (string, error) {
 	if strings.HasPrefix(s, "http") {
@@ -36,12 +41,11 @@ func GetContentURIAsBase64(s string) (string, error) {
 		return encoded, nil
 	}
 
-	// if the string instead is prefixed with "data:image/...;base64,", drop it
+	// Match any data URI prefix pattern
-	dropPrefix := []string{"data:image/jpeg;base64,", "data:image/png;base64,"}
+	if match := dataURIPattern.FindString(s); match != "" {
-	for _, prefix := range dropPrefix {
+		log.Debug().Msgf("Found data URI prefix: %s", match)
-		if strings.HasPrefix(s, prefix) {
+		return strings.Replace(s, match, "", 1), nil
-			return strings.ReplaceAll(s, prefix, ""), nil
 	}
-	}
+
-	return "", fmt.Errorf("not valid string")
+	return "", fmt.Errorf("not valid base64 data type string")
 }