Rebase with master

pyproject.toml

@@ -42,7 +42,7 @@ dependencies = [
     "fastapi >= 0.104.1",
     "python-multipart >= 0.0.5",
     "jinja2 == 3.1.2",
-    "openai >= 0.27.0, < 1.0.0",
+    "openai >= 1.0.0",
     "tiktoken >= 0.3.2",
     "tenacity >= 8.2.2",
     "pillow ~= 9.5.0",

src/interface/desktop/chat.html

@@ -179,7 +179,18 @@
             return numOnlineReferences;
         }
 
-        function renderMessageWithReference(message, by, context=null, dt=null, onlineContext=null) {
+        function renderMessageWithReference(message, by, context=null, dt=null, onlineContext=null, intentType=null, inferredQueries=null) {
+            if (intentType === "text-to-image") {
+                let imageMarkdown = `![](data:image/png;base64,${message})`;
+                imageMarkdown += "\n\n";
+                if (inferredQueries) {
+                    const inferredQuery = inferredQueries?.[0];
+                    imageMarkdown += `**Inferred Query**: ${inferredQuery}`;
+                }
+                renderMessage(imageMarkdown, by, dt);
+                return;
+            }
+
             if (context == null && onlineContext == null) {
                 renderMessage(message, by, dt);
                 return;
@@ -244,6 +255,17 @@
             // Remove any text between <s>[INST] and </s> tags. These are spurious instructions for the AI chat model.
             newHTML = newHTML.replace(/<s>\[INST\].+(<\/s>)?/g, '');
 
+            // Customize the rendering of images
+            md.renderer.rules.image = function(tokens, idx, options, env, self) {
+                let token = tokens[idx];
+
+                // Add class="text-to-image" to images
+                token.attrPush(['class', 'text-to-image']);
+
+                // Use the default renderer to render image markdown format
+                return self.renderToken(tokens, idx, options);
+            };
+
             // Render markdown
             newHTML = md.render(newHTML);
             // Get any elements with a class that starts with "language"
@@ -328,14 +350,46 @@
             let chatInput = document.getElementById("chat-input");
             chatInput.classList.remove("option-enabled");
 
-            // Call specified Khoj API which returns a streamed response of type text/plain
-            fetch(url, { headers })
-            .then(response => {
+            // Call specified Khoj API
+            let response = await fetch(url, { headers });
+            let rawResponse = "";
+            const contentType = response.headers.get("content-type");
+
+            if (contentType === "application/json") {
+                // Handle JSON response
+                try {
+                    const responseAsJson = await response.json();
+                    if (responseAsJson.image) {
+                        // If response has image field, response is a generated image.
+                        rawResponse += `![${query}](data:image/png;base64,${responseAsJson.image})`;
+                        rawResponse += "\n\n";
+                        const inferredQueries = responseAsJson.inferredQueries?.[0];
+                        if (inferredQueries) {
+                            rawResponse += `**Inferred Query**: ${inferredQueries}`;
+                        }
+                    }
+                    if (responseAsJson.detail) {
+                        // If response has detail field, response is an error message.
+                        rawResponse += responseAsJson.detail;
+                    }
+                } catch (error) {
+                    // If the chunk is not a JSON object, just display it as is
+                    rawResponse += chunk;
+                } finally {
+                    newResponseText.innerHTML = "";
+                    newResponseText.appendChild(formatHTMLMessage(rawResponse));
+
+                    document.getElementById("chat-body").scrollTop = document.getElementById("chat-body").scrollHeight;
+                    document.getElementById("chat-input").removeAttribute("disabled");
+                }
+            } else {
+                // Handle streamed response of type text/event-stream or text/plain
                 const reader = response.body.getReader();
                 const decoder = new TextDecoder();
-                    let rawResponse = "";
                 let references = null;
 
+                readStream();
+
                 function readStream() {
                     reader.read().then(({ done, value }) => {
                         if (done) {
@@ -404,16 +458,29 @@
                             if (newResponseText.getElementsByClassName("spinner").length > 0) {
                                 newResponseText.removeChild(loadingSpinner);
                             }
+
                             // Try to parse the chunk as a JSON object. It will be a JSON object if there is an error.
                             if (chunk.startsWith("{") && chunk.endsWith("}")) {
                                 try {
                                     const responseAsJson = JSON.parse(chunk);
+                                    if (responseAsJson.image) {
+                                        // If response has image field, response is a generated image.
+                                        rawResponse += `![${query}](data:image/png;base64,${responseAsJson.image})`;
+                                        rawResponse += "\n\n";
+                                        const inferredQueries = responseAsJson.inferredQueries?.[0];
+                                        if (inferredQueries) {
+                                            rawResponse += `**Inferred Query**: ${inferredQueries}`;
+                                        }
+                                    }
                                     if (responseAsJson.detail) {
-                                            newResponseText.innerHTML += responseAsJson.detail;
+                                        rawResponse += responseAsJson.detail;
                                     }
                                 } catch (error) {
                                     // If the chunk is not a JSON object, just display it as is
-                                        newResponseText.innerHTML += chunk;
+                                    rawResponse += chunk;
+                                } finally {
+                                    newResponseText.innerHTML = "";
+                                    newResponseText.appendChild(formatHTMLMessage(rawResponse));
                                 }
                             } else {
                                 // If the chunk is not a JSON object, just display it as is
@@ -429,8 +496,7 @@
                         document.getElementById("chat-body").scrollTop = document.getElementById("chat-body").scrollHeight;
                     });
                 }
-                    readStream();
-                });
+            }
         }
 
         function incrementalChat(event) {
@@ -522,7 +588,7 @@
                 .then(response => {
                     // Render conversation history, if any
                     response.forEach(chat_log => {
-                        renderMessageWithReference(chat_log.message, chat_log.by, chat_log.context, new Date(chat_log.created), chat_log.onlineContext);
+                        renderMessageWithReference(chat_log.message, chat_log.by, chat_log.context, new Date(chat_log.created), chat_log.onlineContext, chat_log.intent?.type, chat_log.intent?.["inferred-queries"]);
                     });
                 })
                 .catch(err => {
@@ -625,9 +691,13 @@
                     .then(response => response.ok ? response.json() : Promise.reject(response))
                     .then(data => { chatInput.value += data.text; })
                     .catch(err => {
-                        err.status == 422
-                        ? flashStatusInChatInput("⛔️ Configure speech-to-text model on server.")
-                        : flashStatusInChatInput("⛔️ Failed to transcribe audio")
+                        if (err.status === 501) {
+                          flashStatusInChatInput("⛔️ Configure speech-to-text model on server.")
+                        } else if (err.status === 422) {
+                          flashStatusInChatInput("⛔️ Audio file to large to process.")
+                        } else {
+                          flashStatusInChatInput("⛔️ Failed to transcribe audio.")
+                        }
                     });
             };
 
@@ -810,6 +880,9 @@
             margin-top: -10px;
             transform: rotate(-60deg)
         }
+        img.text-to-image {
+            max-width: 60%;
+        }
 
         #chat-footer {
             padding: 0;
@@ -846,11 +919,12 @@
         }
         .input-row-button {
             background: var(--background-color);
-            border: none;
+            border: 1px solid var(--main-text-color);
+            box-shadow: 0 0 11px #aaa;
             border-radius: 5px;
-            padding: 5px;
             font-size: 14px;
             font-weight: 300;
+            padding: 0;
             line-height: 1.5em;
             cursor: pointer;
             transition: background 0.3s ease-in-out;
@@ -932,7 +1006,6 @@
             color: var(--main-text-color);
             border: 1px solid var(--main-text-color);
             border-radius: 5px;
-            padding: 5px;
             font-size: 14px;
             font-weight: 300;
             line-height: 1.5em;
@@ -1050,6 +1123,9 @@
                 margin: 4px;
                 grid-template-columns: auto;
             }
+            img.text-to-image {
+                max-width: 100%;
+            }
         }
         @media only screen and (min-width: 600px) {
             body {

src/interface/obsidian/src/chat_modal.ts

@@ -2,6 +2,12 @@ import { App, MarkdownRenderer, Modal, request, requestUrl, setIcon } from 'obsi
 import { KhojSetting } from 'src/settings';
 import fetch from "node-fetch";
 
+export interface ChatJsonResult {
+    image?: string;
+    detail?: string;
+}
+
+
 export class KhojChatModal extends Modal {
     result: string;
     setting: KhojSetting;
@@ -105,15 +111,19 @@ export class KhojChatModal extends Modal {
         return referenceButton;
     }
 
-    renderMessageWithReferences(chatEl: Element, message: string, sender: string, context?: string[], dt?: Date) {
+    renderMessageWithReferences(chatEl: Element, message: string, sender: string, context?: string[], dt?: Date, intentType?: string) {
         if (!message) {
             return;
+        } else if (intentType === "text-to-image") {
+            let imageMarkdown = `![](data:image/png;base64,${message})`;
+            this.renderMessage(chatEl, imageMarkdown, sender, dt);
+            return;
         } else if (!context) {
             this.renderMessage(chatEl, message, sender, dt);
-            return
+            return;
         } else if (!!context && context?.length === 0) {
             this.renderMessage(chatEl, message, sender, dt);
-            return
+            return;
         }
         let chatMessageEl = this.renderMessage(chatEl, message, sender, dt);
         let chatMessageBodyEl = chatMessageEl.getElementsByClassName("khoj-chat-message-text")[0]
@@ -225,7 +235,7 @@ export class KhojChatModal extends Modal {
         let response = await request({ url: chatUrl, headers: headers });
         let chatLogs = JSON.parse(response).response;
         chatLogs.forEach((chatLog: any) => {
-            this.renderMessageWithReferences(chatBodyEl, chatLog.message, chatLog.by, chatLog.context, new Date(chatLog.created));
+            this.renderMessageWithReferences(chatBodyEl, chatLog.message, chatLog.by, chatLog.context, new Date(chatLog.created), chatLog.intent?.type);
         });
     }
 
@@ -266,8 +276,25 @@ export class KhojChatModal extends Modal {
 
             this.result = "";
             responseElement.innerHTML = "";
+            if (response.headers.get("content-type") == "application/json") {
+                let responseText = ""
+                try {
+                    const responseAsJson = await response.json() as ChatJsonResult;
+                    if (responseAsJson.image) {
+                        responseText = `![${query}](data:image/png;base64,${responseAsJson.image})`;
+                    } else if (responseAsJson.detail) {
+                        responseText = responseAsJson.detail;
+                    }
+                } catch (error) {
+                    // If the chunk is not a JSON object, just display it as is
+                    responseText = response.body.read().toString()
+                } finally {
+                    this.renderIncrementalMessage(responseElement, responseText);
+                }
+            }
+
             for await (const chunk of response.body) {
-                const responseText = chunk.toString();
+                let responseText = chunk.toString();
                 if (responseText.includes("### compiled references:")) {
                     const additionalResponse = responseText.split("### compiled references:")[0];
                     this.renderIncrementalMessage(responseElement, additionalResponse);
@@ -310,6 +337,12 @@ export class KhojChatModal extends Modal {
                     referenceExpandButton.innerHTML = expandButtonText;
                     references.appendChild(referenceSection);
                 } else {
+                    if (responseText.startsWith("{") && responseText.endsWith("}")) {
+                    } else {
+                        // If the chunk is not a JSON object, just display it as is
+                        continue;
+                    }
+
                     this.renderIncrementalMessage(responseElement, responseText);
                 }
             }
@@ -389,10 +422,12 @@ export class KhojChatModal extends Modal {
             if (response.status === 200) {
                 console.log(response);
                 chatInput.value += response.json.text;
-            } else if (response.status === 422) {
-                throw new Error("⛔️ Failed to transcribe audio");
-            } else {
+            } else if (response.status === 501) {
                 throw new Error("⛔️ Configure speech-to-text model on server.");
+            } else if (response.status === 422) {
+                throw new Error("⛔️ Audio file to large to process.");
+            } else {
+                throw new Error("⛔️ Failed to transcribe audio.");
             }
         };
 

src/interface/obsidian/styles.css

@@ -217,7 +217,9 @@ button.copy-button:hover {
     background: #f5f5f5;
     cursor: pointer;
 }
-
+img {
+    max-width: 60%;
+}
 
 #khoj-chat-footer {
     padding: 0;

src/khoj/app/settings.py

@@ -33,6 +33,9 @@ ALLOWED_HOSTS = [f".{KHOJ_DOMAIN}", "localhost", "127.0.0.1", "[::1]"]
 CSRF_TRUSTED_ORIGINS = [
     f"https://*.{KHOJ_DOMAIN}",
     f"https://{KHOJ_DOMAIN}",
+    f"http://*.{KHOJ_DOMAIN}",
+    f"http://{KHOJ_DOMAIN}",
+    f"https://app.{KHOJ_DOMAIN}",
 ]
 
 COOKIE_SAMESITE = "None"
@@ -42,6 +45,7 @@ if DEBUG or os.getenv("KHOJ_DOMAIN") == None:
 else:
     SESSION_COOKIE_DOMAIN = KHOJ_DOMAIN
     CSRF_COOKIE_DOMAIN = KHOJ_DOMAIN
+    SECURE_PROXY_SSL_HEADER = ("HTTP_X_FORWARDED_PROTOCOL", "https")
 
 SESSION_COOKIE_SECURE = True
 CSRF_COOKIE_SECURE = True

src/khoj/configure.py

@@ -7,6 +7,7 @@ import requests
 import os
 
 # External Packages
+import openai
 import schedule
 from starlette.middleware.sessions import SessionMiddleware
 from starlette.middleware.authentication import AuthenticationMiddleware
@@ -22,6 +23,7 @@ from starlette.authentication import (
 # Internal Packages
 from khoj.database.models import KhojUser, Subscription
 from khoj.database.adapters import (
+    ConversationAdapters,
     get_all_users,
     get_or_create_search_models,
     aget_user_subscription_state,
@@ -75,7 +77,9 @@ class UserAuthenticationBackend(AuthenticationBackend):
                 .afirst()
             )
             if user:
-                if state.billing_enabled:
+                if not state.billing_enabled:
+                    return AuthCredentials(["authenticated", "premium"]), AuthenticatedKhojUser(user)
+
                 subscription_state = await aget_user_subscription_state(user)
                 subscribed = (
                     subscription_state == SubscriptionState.SUBSCRIBED.value
@@ -85,7 +89,6 @@ class UserAuthenticationBackend(AuthenticationBackend):
                 if subscribed:
                     return AuthCredentials(["authenticated", "premium"]), AuthenticatedKhojUser(user)
                 return AuthCredentials(["authenticated"]), AuthenticatedKhojUser(user)
-                return AuthCredentials(["authenticated", "premium"]), AuthenticatedKhojUser(user)
         if len(request.headers.get("Authorization", "").split("Bearer ")) == 2:
             # Get bearer token from header
             bearer_token = request.headers["Authorization"].split("Bearer ")[1]
@@ -97,7 +100,9 @@ class UserAuthenticationBackend(AuthenticationBackend):
                 .afirst()
             )
             if user_with_token:
-                if state.billing_enabled:
+                if not state.billing_enabled:
+                    return AuthCredentials(["authenticated", "premium"]), AuthenticatedKhojUser(user_with_token.user)
+
                 subscription_state = await aget_user_subscription_state(user_with_token.user)
                 subscribed = (
                     subscription_state == SubscriptionState.SUBSCRIBED.value
@@ -105,11 +110,8 @@ class UserAuthenticationBackend(AuthenticationBackend):
                     or subscription_state == SubscriptionState.UNSUBSCRIBED.value
                 )
                 if subscribed:
-                        return AuthCredentials(["authenticated", "premium"]), AuthenticatedKhojUser(
-                            user_with_token.user
-                        )
-                    return AuthCredentials(["authenticated"]), AuthenticatedKhojUser(user_with_token.user)
                     return AuthCredentials(["authenticated", "premium"]), AuthenticatedKhojUser(user_with_token.user)
+                return AuthCredentials(["authenticated"]), AuthenticatedKhojUser(user_with_token.user)
         if state.anonymous_mode:
             user = await self.khojuser_manager.filter(username="default").prefetch_related("subscription").afirst()
             if user:
@@ -138,6 +140,10 @@ def configure_server(
         config = FullConfig()
     state.config = config
 
+    if ConversationAdapters.has_valid_openai_conversation_config():
+        openai_config = ConversationAdapters.get_openai_conversation_config()
+        state.openai_client = openai.OpenAI(api_key=openai_config.api_key)
+
     # Initialize Search Models from Config and initialize content
     try:
         search_models = get_or_create_search_models()

src/khoj/database/adapters/__init__.py

@@ -22,6 +22,7 @@ from khoj.database.models import (
     GithubConfig,
     GithubRepoConfig,
     GoogleUser,
+    TextToImageModelConfig,
     KhojApiUser,
     KhojUser,
     NotionConfig,
@@ -407,7 +408,7 @@ class ConversationAdapters:
         )
 
         max_results = 3
-        all_questions = await sync_to_async(list)(all_questions)
+        all_questions = await sync_to_async(list)(all_questions)  # type: ignore
         if len(all_questions) < max_results:
             return all_questions
 
@@ -433,6 +434,10 @@ class ConversationAdapters:
         else:
             raise ValueError("Invalid conversation config - either configure offline chat or openai chat")
 
+    @staticmethod
+    async def aget_text_to_image_model_config():
+        return await TextToImageModelConfig.objects.filter().afirst()
+
 
 class EntryAdapters:
     word_filer = WordFilter()

src/khoj/database/admin.py

@@ -1,5 +1,9 @@
+import csv
+import json
+
 from django.contrib import admin
 from django.contrib.auth.admin import UserAdmin
+from django.http import HttpResponse
 
 # Register your models here.
 
@@ -13,6 +17,8 @@ from khoj.database.models import (
     Subscription,
     ReflectiveQuestion,
     UserSearchModelConfig,
+    TextToImageModelConfig,
+    Conversation,
 )
 
 admin.site.register(KhojUser, UserAdmin)
@@ -25,3 +31,102 @@ admin.site.register(SearchModelConfig)
 admin.site.register(Subscription)
 admin.site.register(ReflectiveQuestion)
 admin.site.register(UserSearchModelConfig)
+admin.site.register(TextToImageModelConfig)
+
+
+@admin.register(Conversation)
+class ConversationAdmin(admin.ModelAdmin):
+    list_display = (
+        "id",
+        "user",
+        "created_at",
+        "updated_at",
+    )
+    search_fields = ("conversation_id",)
+    ordering = ("-created_at",)
+
+    actions = ["export_selected_objects", "export_selected_minimal_objects"]
+
+    def export_selected_objects(self, request, queryset):
+        response = HttpResponse(content_type="text/csv")
+        response["Content-Disposition"] = 'attachment; filename="conversations.csv"'
+
+        writer = csv.writer(response)
+        writer.writerow(["id", "user", "created_at", "updated_at", "conversation_log"])
+
+        for conversation in queryset:
+            modified_log = conversation.conversation_log
+            chat_log = modified_log.get("chat", [])
+            for idx, log in enumerate(chat_log):
+                if (
+                    log["by"] == "khoj"
+                    and log["intent"]
+                    and log["intent"]["type"]
+                    and log["intent"]["type"] == "text-to-image"
+                ):
+                    log["message"] = "image redacted for space"
+                    chat_log[idx] = log
+            modified_log["chat"] = chat_log
+
+            writer.writerow(
+                [
+                    conversation.id,
+                    conversation.user,
+                    conversation.created_at,
+                    conversation.updated_at,
+                    json.dumps(modified_log),
+                ]
+            )
+
+        return response
+
+    export_selected_objects.short_description = "Export selected conversations"  # type: ignore
+
+    def export_selected_minimal_objects(self, request, queryset):
+        response = HttpResponse(content_type="text/csv")
+        response["Content-Disposition"] = 'attachment; filename="conversations.csv"'
+
+        writer = csv.writer(response)
+        writer.writerow(["id", "user", "created_at", "updated_at", "conversation_log"])
+
+        fields_to_keep = set(["message", "by", "created"])
+
+        for conversation in queryset:
+            return_log = dict()
+            chat_log = conversation.conversation_log.get("chat", [])
+            for idx, log in enumerate(chat_log):
+                updated_log = {}
+                for key in fields_to_keep:
+                    updated_log[key] = log[key]
+                if (
+                    log["by"] == "khoj"
+                    and log["intent"]
+                    and log["intent"]["type"]
+                    and log["intent"]["type"] == "text-to-image"
+                ):
+                    updated_log["message"] = "image redacted for space"
+                chat_log[idx] = updated_log
+            return_log["chat"] = chat_log
+
+            writer.writerow(
+                [
+                    conversation.id,
+                    conversation.user,
+                    conversation.created_at,
+                    conversation.updated_at,
+                    json.dumps(return_log),
+                ]
+            )
+
+        return response
+
+    export_selected_minimal_objects.short_description = "Export selected conversations (minimal)"  # type: ignore
+
+    def get_actions(self, request):
+        actions = super().get_actions(request)
+        if not request.user.is_superuser:
+            if "export_selected_objects" in actions:
+                del actions["export_selected_objects"]
+            if "export_selected_minimal_objects" in actions:
+                del actions["export_selected_minimal_objects"]
+        return actions

src/khoj/database/migrations/0022_texttoimagemodelconfig.py

@@ -0,0 +1,25 @@
+# Generated by Django 4.2.7 on 2023-12-04 22:17
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("database", "0021_speechtotextmodeloptions_and_more"),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name="TextToImageModelConfig",
+            fields=[
+                ("id", models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name="ID")),
+                ("created_at", models.DateTimeField(auto_now_add=True)),
+                ("updated_at", models.DateTimeField(auto_now=True)),
+                ("model_name", models.CharField(default="dall-e-3", max_length=200)),
+                ("model_type", models.CharField(choices=[("openai", "Openai")], default="openai", max_length=200)),
+            ],
+            options={
+                "abstract": False,
+            },
+        ),
+    ]

src/khoj/database/models/__init__.py

@@ -112,6 +112,14 @@ class SearchModelConfig(BaseModel):
     cross_encoder = models.CharField(max_length=200, default="cross-encoder/ms-marco-MiniLM-L-6-v2")
 
 
+class TextToImageModelConfig(BaseModel):
+    class ModelType(models.TextChoices):
+        OPENAI = "openai"
+
+    model_name = models.CharField(max_length=200, default="dall-e-3")
+    model_type = models.CharField(max_length=200, choices=ModelType.choices, default=ModelType.OPENAI)
+
+
 class OpenAIProcessorConversationConfig(BaseModel):
     api_key = models.CharField(max_length=200)
 

src/khoj/interface/web/chat.html

@@ -188,7 +188,18 @@ To get started, just start typing below. You can also type / to see a list of co
             return numOnlineReferences;
         }
 
-        function renderMessageWithReference(message, by, context=null, dt=null, onlineContext=null) {
+        function renderMessageWithReference(message, by, context=null, dt=null, onlineContext=null, intentType=null, inferredQueries=null) {
+            if (intentType === "text-to-image") {
+                let imageMarkdown = `![](data:image/png;base64,${message})`;
+                imageMarkdown += "\n\n";
+                if (inferredQueries) {
+                    const inferredQuery = inferredQueries?.[0];
+                    imageMarkdown += `**Inferred Query**: ${inferredQuery}`;
+                }
+                renderMessage(imageMarkdown, by, dt);
+                return;
+            }
+
             if (context == null && onlineContext == null) {
                 renderMessage(message, by, dt);
                 return;
@@ -253,6 +264,17 @@ To get started, just start typing below. You can also type / to see a list of co
             // Remove any text between <s>[INST] and </s> tags. These are spurious instructions for the AI chat model.
             newHTML = newHTML.replace(/<s>\[INST\].+(<\/s>)?/g, '');
 
+            // Customize the rendering of images
+            md.renderer.rules.image = function(tokens, idx, options, env, self) {
+                let token = tokens[idx];
+
+                // Add class="text-to-image" to images
+                token.attrPush(['class', 'text-to-image']);
+
+                // Use the default renderer to render image markdown format
+                return self.renderToken(tokens, idx, options);
+            };
+
             // Render markdown
             newHTML = md.render(newHTML);
             // Get any elements with a class that starts with "language"
@@ -292,7 +314,7 @@ To get started, just start typing below. You can also type / to see a list of co
             return element
         }
 
-        function chat() {
+        async function chat() {
             // Extract required fields for search from form
             let query = document.getElementById("chat-input").value.trim();
             let resultsCount = localStorage.getItem("khojResultsCount") || 5;
@@ -333,14 +355,46 @@ To get started, just start typing below. You can also type / to see a list of co
             let chatInput = document.getElementById("chat-input");
             chatInput.classList.remove("option-enabled");
 
-            // Call specified Khoj API which returns a streamed response of type text/plain
-            fetch(url)
-                .then(response => {
+            // Call specified Khoj API
+            let response = await fetch(url);
+            let rawResponse = "";
+            const contentType = response.headers.get("content-type");
+
+            if (contentType === "application/json") {
+                // Handle JSON response
+                try {
+                    const responseAsJson = await response.json();
+                    if (responseAsJson.image) {
+                        // If response has image field, response is a generated image.
+                        rawResponse += `![${query}](data:image/png;base64,${responseAsJson.image})`;
+                        rawResponse += "\n\n";
+                        const inferredQueries = responseAsJson.inferredQueries?.[0];
+                        if (inferredQueries) {
+                            rawResponse += `**Inferred Query**: ${inferredQueries}`;
+                        }
+                    }
+                    if (responseAsJson.detail) {
+                        // If response has detail field, response is an error message.
+                        rawResponse += responseAsJson.detail;
+                    }
+                } catch (error) {
+                    // If the chunk is not a JSON object, just display it as is
+                    rawResponse += chunk;
+                } finally {
+                    newResponseText.innerHTML = "";
+                    newResponseText.appendChild(formatHTMLMessage(rawResponse));
+
+                    document.getElementById("chat-body").scrollTop = document.getElementById("chat-body").scrollHeight;
+                    document.getElementById("chat-input").removeAttribute("disabled");
+                }
+            } else {
+                // Handle streamed response of type text/event-stream or text/plain
                 const reader = response.body.getReader();
                 const decoder = new TextDecoder();
-                    let rawResponse = "";
                 let references = null;
 
+                readStream();
+
                 function readStream() {
                     reader.read().then(({ done, value }) => {
                         if (done) {
@@ -410,36 +464,19 @@ To get started, just start typing below. You can also type / to see a list of co
                                 newResponseText.removeChild(loadingSpinner);
                             }
 
-                                // Try to parse the chunk as a JSON object. It will be a JSON object if there is an error.
-                                if (chunk.startsWith("{") && chunk.endsWith("}")) {
-                                    try {
-                                        const responseAsJson = JSON.parse(chunk);
-                                        if (responseAsJson.detail) {
-                                            rawResponse += responseAsJson.detail;
-                                        }
-                                    } catch (error) {
-                                        // If the chunk is not a JSON object, just display it as is
-                                        rawResponse += chunk;
-                                    } finally {
-                                        newResponseText.innerHTML = "";
-                                        newResponseText.appendChild(formatHTMLMessage(rawResponse));
-                                    }
-                                } else {
                             // If the chunk is not a JSON object, just display it as is
                             rawResponse += chunk;
                             newResponseText.innerHTML = "";
                             newResponseText.appendChild(formatHTMLMessage(rawResponse));
                             readStream();
                         }
-                            }
+                    });
 
                     // Scroll to bottom of chat window as chat response is streamed
                     document.getElementById("chat-body").scrollTop = document.getElementById("chat-body").scrollHeight;
-                        });
-                    }
-                    readStream();
-                });
+                };
             }
+        };
 
         function incrementalChat(event) {
             if (!event.shiftKey && event.key === 'Enter') {
@@ -516,7 +553,7 @@ To get started, just start typing below. You can also type / to see a list of co
                 .then(response => {
                     // Render conversation history, if any
                     response.forEach(chat_log => {
-                        renderMessageWithReference(chat_log.message, chat_log.by, chat_log.context, new Date(chat_log.created), chat_log.onlineContext);
+                        renderMessageWithReference(chat_log.message, chat_log.by, chat_log.context, new Date(chat_log.created), chat_log.onlineContext, chat_log.intent?.type, chat_log.intent?.["inferred-queries"]);
                     });
                 })
                 .catch(err => {
@@ -611,9 +648,15 @@ To get started, just start typing below. You can also type / to see a list of co
                     .then(response => response.ok ? response.json() : Promise.reject(response))
                     .then(data => { chatInput.value += data.text; })
                     .catch(err => {
-                        err.status == 422
-                        ? flashStatusInChatInput("⛔️ Configure speech-to-text model on server.")
-                        : flashStatusInChatInput("⛔️ Failed to transcribe audio")
+                        if (err.status === 501) {
+                          flashStatusInChatInput("⛔️ Configure speech-to-text model on server.")
+                        } else if (err.status === 422) {
+                          flashStatusInChatInput("⛔️ Audio file to large to process.")
+                        } else if (err.status === 429) {
+                            flashStatusInChatInput("⛔️ " + err.statusText);
+                        } else {
+                          flashStatusInChatInput("⛔️ Failed to transcribe audio.")
+                        }
                     });
             };
 
@@ -902,6 +945,9 @@ To get started, just start typing below. You can also type / to see a list of co
             margin-top: -10px;
             transform: rotate(-60deg)
         }
+        img.text-to-image {
+            max-width: 60%;
+        }
 
         #chat-footer {
             padding: 0;
@@ -916,7 +962,7 @@ To get started, just start typing below. You can also type / to see a list of co
             grid-template-columns: auto 32px 32px;
             grid-column-gap: 10px;
             grid-row-gap: 10px;
-            background: #f9fafc
+            background: var(--background-color);
         }
         .option:hover {
             box-shadow: 0 0 11px #aaa;
@@ -938,9 +984,10 @@ To get started, just start typing below. You can also type / to see a list of co
         }
         .input-row-button {
             background: var(--background-color);
-            border: none;
+            border: 1px solid var(--main-text-color);
+            box-shadow: 0 0 11px #aaa;
             border-radius: 5px;
-            padding: 5px;
+            padding: 0px;
             font-size: 14px;
             font-weight: 300;
             line-height: 1.5em;
@@ -1029,6 +1076,9 @@ To get started, just start typing below. You can also type / to see a list of co
                 margin: 4px;
                 grid-template-columns: auto;
             }
+            img.text-to-image {
+                max-width: 100%;
+            }
         }
         @media only screen and (min-width: 700px) {
             body {

src/khoj/processor/conversation/offline/chat_model.py

@@ -47,7 +47,7 @@ def extract_questions_offline(
 
     if use_history:
         for chat in conversation_log.get("chat", [])[-4:]:
-            if chat["by"] == "khoj":
+            if chat["by"] == "khoj" and chat["intent"].get("type") != "text-to-image":
                 chat_history += f"Q: {chat['intent']['query']}\n"
                 chat_history += f"A: {chat['message']}\n"
 

src/khoj/processor/conversation/offline/utils.py

@@ -12,11 +12,12 @@ def download_model(model_name: str):
         logger.info("There was an error importing GPT4All. Please run pip install gpt4all in order to install it.")
         raise e
 
-    # Download the chat model
+    # Decide whether to load model to GPU or CPU
+    chat_model_config = None
+    try:
+        # Download the chat model and its config
         chat_model_config = gpt4all.GPT4All.retrieve_model(model_name=model_name, allow_download=True)
 
-    # Decide whether to load model to GPU or CPU
-    try:
         # Try load chat model to GPU if:
         # 1. Loading chat model to GPU isn't disabled via CLI and
         # 2. Machine has GPU
@@ -26,6 +27,12 @@ def download_model(model_name: str):
         )
     except ValueError:
         device = "cpu"
+    except Exception as e:
+        if chat_model_config is None:
+            device = "cpu"  # Fallback to CPU as can't determine if GPU has enough memory
+            logger.debug(f"Unable to download model config from gpt4all website: {e}")
+        else:
+            raise e
 
     # Now load the downloaded chat model onto appropriate device
     chat_model = gpt4all.GPT4All(model_name=model_name, device=device, allow_download=False)

src/khoj/processor/conversation/openai/gpt.py

@@ -41,7 +41,7 @@ def extract_questions(
         [
             f'Q: {chat["intent"]["query"]}\n\n{chat["intent"].get("inferred-queries") or list([chat["intent"]["query"]])}\n\n{chat["message"]}\n\n'
             for chat in conversation_log.get("chat", [])[-4:]
-            if chat["by"] == "khoj"
+            if chat["by"] == "khoj" and chat["intent"].get("type") != "text-to-image"
         ]
     )
 
@@ -123,8 +123,8 @@ def send_message_to_model(
 
 def converse(
     references,
-    online_results,
     user_query,
+    online_results=[],
     conversation_log={},
     model: str = "gpt-3.5-turbo",
     api_key: Optional[str] = None,

src/khoj/processor/conversation/openai/utils.py

@@ -36,11 +36,11 @@ class StreamingChatCallbackHandler(StreamingStdOutCallbackHandler):
 
 @retry(
     retry=(
-        retry_if_exception_type(openai.error.Timeout)
-        | retry_if_exception_type(openai.error.APIError)
-        | retry_if_exception_type(openai.error.APIConnectionError)
-        | retry_if_exception_type(openai.error.RateLimitError)
-        | retry_if_exception_type(openai.error.ServiceUnavailableError)
+        retry_if_exception_type(openai._exceptions.APITimeoutError)
+        | retry_if_exception_type(openai._exceptions.APIError)
+        | retry_if_exception_type(openai._exceptions.APIConnectionError)
+        | retry_if_exception_type(openai._exceptions.RateLimitError)
+        | retry_if_exception_type(openai._exceptions.APIStatusError)
     ),
     wait=wait_random_exponential(min=1, max=10),
     stop=stop_after_attempt(3),
@@ -57,11 +57,11 @@ def completion_with_backoff(**kwargs):
 
 @retry(
     retry=(
-        retry_if_exception_type(openai.error.Timeout)
-        | retry_if_exception_type(openai.error.APIError)
-        | retry_if_exception_type(openai.error.APIConnectionError)
-        | retry_if_exception_type(openai.error.RateLimitError)
-        | retry_if_exception_type(openai.error.ServiceUnavailableError)
+        retry_if_exception_type(openai._exceptions.APITimeoutError)
+        | retry_if_exception_type(openai._exceptions.APIError)
+        | retry_if_exception_type(openai._exceptions.APIConnectionError)
+        | retry_if_exception_type(openai._exceptions.RateLimitError)
+        | retry_if_exception_type(openai._exceptions.APIStatusError)
     ),
     wait=wait_exponential(multiplier=1, min=4, max=10),
     stop=stop_after_attempt(3),

src/khoj/processor/conversation/openai/whisper.py

@@ -3,13 +3,13 @@ from io import BufferedReader
 
 # External Packages
 from asgiref.sync import sync_to_async
-import openai
+from openai import OpenAI
 
 
-async def transcribe_audio(audio_file: BufferedReader, model, api_key) -> str:
+async def transcribe_audio(audio_file: BufferedReader, model, client: OpenAI) -> str:
     """
     Transcribe audio file using Whisper model via OpenAI's API
     """
     # Send the audio data to the Whisper API
-    response = await sync_to_async(openai.Audio.translate)(model=model, file=audio_file, api_key=api_key)
-    return response["text"]
+    response = await sync_to_async(client.audio.translations.create)(model=model, file=audio_file)
+    return response.text

src/khoj/processor/conversation/prompts.py

@@ -15,6 +15,7 @@ You were created by Khoj Inc. with the following capabilities:
 - Say "I don't know" or "I don't understand" if you don't know what to say or if you don't know the answer to a question.
 - Ask crisp follow-up questions to get additional context, when the answer cannot be inferred from the provided notes or past conversations.
 - Sometimes the user will share personal information that needs to be remembered, like an account ID or a residential address. These can be acknowledged with a simple "Got it" or "Okay".
+- Users can share information with you using the Khoj app, which is available for download at https://khoj.dev/downloads.
 
 Note: More information about you, the company or other Khoj apps can be found at https://khoj.dev.
 Today is {current_date} in UTC.
@@ -109,6 +110,18 @@ Question: {query}
 """.strip()
 )
 
+## Image Generation
+## --
+
+image_generation_improve_prompt = PromptTemplate.from_template(
+    """
+Generate a detailed prompt to generate an image based on the following description. Update the query below to improve the image generation. Add additional context to the query to improve the image generation.
+
+Query: {query}
+
+Improved Query:"""
+)
+
 ## Online Search Conversation
 ## --
 online_search_conversation = PromptTemplate.from_template(
@@ -295,10 +308,13 @@ Q:"""
 # --
 help_message = PromptTemplate.from_template(
     """
-**/notes**: Chat using the information in your knowledge base.
-**/general**: Chat using just Khoj's general knowledge. This will not search against your notes.
-**/default**: Chat using your knowledge base and Khoj's general knowledge for context.
-**/help**: Show this help message.
+- **/notes**: Chat using the information in your knowledge base.
+- **/general**: Chat using just Khoj's general knowledge. This will not search against your notes.
+- **/default**: Chat using your knowledge base and Khoj's general knowledge for context.
+- **/online**: Chat using the internet as a source of information.
+- **/image**: Generate an image based on your message.
+- **/help**: Show this help message.
+
 
 You are using the **{model}** model on the **{device}**.
 **version**: {version}

src/khoj/processor/conversation/utils.py

@@ -4,6 +4,7 @@ from time import perf_counter
 import json
 from datetime import datetime
 import queue
+from typing import Any, Dict, List
 import tiktoken
 
 # External packages
@@ -11,6 +12,8 @@ from langchain.schema import ChatMessage
 from transformers import AutoTokenizer
 
 # Internal Packages
+from khoj.database.adapters import ConversationAdapters
+from khoj.database.models import KhojUser
 from khoj.utils.helpers import merge_dicts
 
 
@@ -89,6 +92,32 @@ def message_to_log(
     return conversation_log
 
 
+def save_to_conversation_log(
+    q: str,
+    chat_response: str,
+    user: KhojUser,
+    meta_log: Dict,
+    user_message_time: str = None,
+    compiled_references: List[str] = [],
+    online_results: Dict[str, Any] = {},
+    inferred_queries: List[str] = [],
+    intent_type: str = "remember",
+):
+    user_message_time = user_message_time or datetime.now().strftime("%Y-%m-%d %H:%M:%S")
+    updated_conversation = message_to_log(
+        user_message=q,
+        chat_response=chat_response,
+        user_message_metadata={"created": user_message_time},
+        khoj_message_metadata={
+            "context": compiled_references,
+            "intent": {"inferred-queries": inferred_queries, "type": intent_type},
+            "onlineContext": online_results,
+        },
+        conversation_log=meta_log.get("chat", []),
+    )
+    ConversationAdapters.save_conversation(user, {"chat": updated_conversation})
+
+
 def generate_chatml_messages_with_context(
     user_message,
     system_message,

src/khoj/routers/api.py

@@ -19,7 +19,7 @@ from starlette.authentication import requires
 from khoj.configure import configure_server
 from khoj.database import adapters
 from khoj.database.adapters import ConversationAdapters, EntryAdapters, get_default_search_model
-from khoj.database.models import ChatModelOptions
+from khoj.database.models import ChatModelOptions, SpeechToTextModelOptions
 from khoj.database.models import Entry as DbEntry
 from khoj.database.models import (
     GithubConfig,
@@ -35,15 +35,18 @@ from khoj.processor.conversation.offline.whisper import transcribe_audio_offline
 from khoj.processor.conversation.openai.gpt import extract_questions
 from khoj.processor.conversation.openai.whisper import transcribe_audio
 from khoj.processor.conversation.prompts import help_message, no_entries_found
+from khoj.processor.conversation.utils import save_to_conversation_log
 from khoj.processor.tools.online_search import search_with_google
 from khoj.routers.helpers import (
     ApiUserRateLimiter,
     CommonQueryParams,
     agenerate_chat_response,
     get_conversation_command,
+    text_to_image,
     is_ready_to_chat,
     update_telemetry_state,
     validate_conversation_config,
+    ConversationCommandRateLimiter,
 )
 from khoj.search_filter.date_filter import DateFilter
 from khoj.search_filter.file_filter import FileFilter
@@ -65,6 +68,7 @@ from khoj.utils.state import SearchType
 # Initialize Router
 api = APIRouter()
 logger = logging.getLogger(__name__)
+conversation_command_rate_limiter = ConversationCommandRateLimiter(trial_rate_limit=5, subscribed_rate_limit=100)
 
 
 def map_config_to_object(content_source: str):
@@ -603,7 +607,13 @@ async def chat_options(
 
 @api.post("/transcribe")
 @requires(["authenticated"])
-async def transcribe(request: Request, common: CommonQueryParams, file: UploadFile = File(...)):
+async def transcribe(
+    request: Request,
+    common: CommonQueryParams,
+    file: UploadFile = File(...),
+    rate_limiter_per_minute=Depends(ApiUserRateLimiter(requests=1, subscribed_requests=10, window=60)),
+    rate_limiter_per_day=Depends(ApiUserRateLimiter(requests=10, subscribed_requests=600, window=60 * 60 * 24)),
+):
     user: KhojUser = request.user.object
     audio_filename = f"{user.uuid}-{str(uuid.uuid4())}.webm"
     user_message: str = None
@@ -623,17 +633,15 @@ async def transcribe(request: Request, common: CommonQueryParams, file: UploadFi
 
         # Send the audio data to the Whisper API
         speech_to_text_config = await ConversationAdapters.get_speech_to_text_config()
-        openai_chat_config = await ConversationAdapters.get_openai_chat_config()
         if not speech_to_text_config:
-            # If the user has not configured a speech to text model, return an unprocessable entity error
-            status_code = 422
-        elif openai_chat_config and speech_to_text_config.model_type == ChatModelOptions.ModelType.OPENAI:
-            api_key = openai_chat_config.api_key
+            # If the user has not configured a speech to text model, return an unsupported on server error
+            status_code = 501
+        elif state.openai_client and speech_to_text_config.model_type == SpeechToTextModelOptions.ModelType.OPENAI:
             speech2text_model = speech_to_text_config.model_name
-            user_message = await transcribe_audio(audio_file, model=speech2text_model, api_key=api_key)
-        elif speech_to_text_config.model_type == ChatModelOptions.ModelType.OFFLINE:
+            user_message = await transcribe_audio(audio_file, speech2text_model, client=state.openai_client)
+        elif speech_to_text_config.model_type == SpeechToTextModelOptions.ModelType.OFFLINE:
             speech2text_model = speech_to_text_config.model_name
-            user_message = await transcribe_audio_offline(audio_filename, model=speech2text_model)
+            user_message = await transcribe_audio_offline(audio_filename, speech2text_model)
     finally:
         # Close and Delete the temporary audio file
         audio_file.close()
@@ -666,11 +674,13 @@ async def chat(
     rate_limiter_per_minute=Depends(ApiUserRateLimiter(requests=10, subscribed_requests=60, window=60)),
     rate_limiter_per_day=Depends(ApiUserRateLimiter(requests=10, subscribed_requests=600, window=60 * 60 * 24)),
 ) -> Response:
-    user = request.user.object
+    user: KhojUser = request.user.object
 
     await is_ready_to_chat(user)
     conversation_command = get_conversation_command(query=q, any_references=True)
 
+    conversation_command_rate_limiter.update_and_check_if_valid(request, conversation_command)
+
     q = q.replace(f"/{conversation_command.value}", "").strip()
 
     meta_log = (await ConversationAdapters.aget_conversation_by_user(user)).conversation_log
@@ -704,6 +714,27 @@ async def chat(
                 media_type="text/event-stream",
                 status_code=200,
             )
+    elif conversation_command == ConversationCommand.Image:
+        update_telemetry_state(
+            request=request,
+            telemetry_type="api",
+            api="chat",
+            metadata={"conversation_command": conversation_command.value},
+            **common.__dict__,
+        )
+        image, status_code, improved_image_prompt = await text_to_image(q)
+        if image is None:
+            content_obj = {
+                "image": image,
+                "intentType": "text-to-image",
+                "detail": "Failed to generate image. Make sure your image generation configuration is set.",
+            }
+            return Response(content=json.dumps(content_obj), media_type="application/json", status_code=status_code)
+        await sync_to_async(save_to_conversation_log)(
+            q, image, user, meta_log, intent_type="text-to-image", inferred_queries=[improved_image_prompt]
+        )
+        content_obj = {"image": image, "intentType": "text-to-image", "inferredQueries": [improved_image_prompt]}  # type: ignore
+        return Response(content=json.dumps(content_obj), media_type="application/json", status_code=status_code)
 
     # Get the (streamed) chat response from the LLM of choice.
     llm_response, chat_metadata = await agenerate_chat_response(
@@ -787,7 +818,6 @@ async def extract_references_and_questions(
         conversation_config = await ConversationAdapters.aget_conversation_config(user)
         if conversation_config is None:
             conversation_config = await ConversationAdapters.aget_default_conversation_config()
-        openai_chat_config = await ConversationAdapters.aget_openai_conversation_config()
         if (
             offline_chat_config
             and offline_chat_config.enabled
@@ -804,7 +834,7 @@ async def extract_references_and_questions(
             inferred_queries = extract_questions_offline(
                 defiltered_query, loaded_model=loaded_model, conversation_log=meta_log, should_extract_questions=False
             )
-        elif openai_chat_config and conversation_config.model_type == ChatModelOptions.ModelType.OPENAI:
+        elif conversation_config and conversation_config.model_type == ChatModelOptions.ModelType.OPENAI:
             openai_chat_config = await ConversationAdapters.get_openai_chat_config()
             openai_chat = await ConversationAdapters.get_openai_chat()
             api_key = openai_chat_config.api_key

src/khoj/routers/helpers.py

@@ -9,23 +9,23 @@ from functools import partial
 from time import time
 from typing import Annotated, Any, Dict, Iterator, List, Optional, Tuple, Union
 
+# External Packages
 from fastapi import Depends, Header, HTTPException, Request, UploadFile
+import openai
 from starlette.authentication import has_required_scope
-from asgiref.sync import sync_to_async
-
 
+# Internal Packages
 from khoj.database.adapters import ConversationAdapters, EntryAdapters
-from khoj.database.models import KhojUser, Subscription
+from khoj.database.models import KhojUser, Subscription, TextToImageModelConfig
 from khoj.processor.conversation import prompts
 from khoj.processor.conversation.offline.chat_model import converse_offline, send_message_to_model_offline
 from khoj.processor.conversation.openai.gpt import converse, send_message_to_model
-from khoj.processor.conversation.utils import ThreadedGenerator, message_to_log
-
-# Internal Packages
+from khoj.processor.conversation.utils import ThreadedGenerator, save_to_conversation_log
 from khoj.utils import state
 from khoj.utils.config import GPT4AllProcessorModel
 from khoj.utils.helpers import ConversationCommand, log_telemetry
 
+
 logger = logging.getLogger(__name__)
 
 executor = ThreadPoolExecutor(max_workers=1)
@@ -102,6 +102,8 @@ def get_conversation_command(query: str, any_references: bool = False) -> Conver
         return ConversationCommand.General
     elif query.startswith("/online"):
         return ConversationCommand.Online
+    elif query.startswith("/image"):
+        return ConversationCommand.Image
     # If no relevant notes found for the given query
     elif not any_references:
         return ConversationCommand.General
@@ -144,6 +146,20 @@ async def generate_online_subqueries(q: str) -> List[str]:
         return [q]
 
 
+async def generate_better_image_prompt(q: str) -> str:
+    """
+    Generate a better image prompt from the given query
+    """
+
+    image_prompt = prompts.image_generation_improve_prompt.format(
+        query=q,
+    )
+
+    response = await send_message_to_model_wrapper(image_prompt)
+
+    return response.strip()
+
+
 async def send_message_to_model_wrapper(
     message: str,
 ):
@@ -168,11 +184,13 @@ async def send_message_to_model_wrapper(
         openai_chat_config = await ConversationAdapters.aget_openai_conversation_config()
         api_key = openai_chat_config.api_key
         chat_model = conversation_config.chat_model
-        return send_message_to_model(
+        openai_response = send_message_to_model(
             message=message,
             api_key=api_key,
             model=chat_model,
         )
+
+        return openai_response.content
     else:
         raise HTTPException(status_code=500, detail="Invalid conversation config")
 
@@ -186,30 +204,7 @@ def generate_chat_response(
     conversation_command: ConversationCommand = ConversationCommand.Default,
     user: KhojUser = None,
 ) -> Tuple[Union[ThreadedGenerator, Iterator[str]], Dict[str, str]]:
-    def _save_to_conversation_log(
-        q: str,
-        chat_response: str,
-        user_message_time: str,
-        compiled_references: List[str],
-        online_results: Dict[str, Any],
-        inferred_queries: List[str],
-        meta_log,
-    ):
-        updated_conversation = message_to_log(
-            user_message=q,
-            chat_response=chat_response,
-            user_message_metadata={"created": user_message_time},
-            khoj_message_metadata={
-                "context": compiled_references,
-                "intent": {"inferred-queries": inferred_queries},
-                "onlineContext": online_results,
-            },
-            conversation_log=meta_log.get("chat", []),
-        )
-        ConversationAdapters.save_conversation(user, {"chat": updated_conversation})
-
     # Initialize Variables
-    user_message_time = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
     chat_response = None
     logger.debug(f"Conversation Type: {conversation_command.name}")
 
@@ -217,13 +212,13 @@ def generate_chat_response(
 
     try:
         partial_completion = partial(
-            _save_to_conversation_log,
+            save_to_conversation_log,
             q,
-            user_message_time=user_message_time,
+            user=user,
+            meta_log=meta_log,
             compiled_references=compiled_references,
             online_results=online_results,
             inferred_queries=inferred_queries,
-            meta_log=meta_log,
         )
 
         conversation_config = ConversationAdapters.get_valid_conversation_config(user)
@@ -251,9 +246,9 @@ def generate_chat_response(
             chat_model = conversation_config.chat_model
             chat_response = converse(
                 compiled_references,
-                online_results,
                 q,
-                meta_log,
+                online_results=online_results,
+                conversation_log=meta_log,
                 model=chat_model,
                 api_key=api_key,
                 completion_func=partial_completion,
@@ -271,6 +266,29 @@ def generate_chat_response(
     return chat_response, metadata
 
 
+async def text_to_image(message: str) -> Tuple[Optional[str], int, Optional[str]]:
+    status_code = 200
+    image = None
+
+    text_to_image_config = await ConversationAdapters.aget_text_to_image_model_config()
+    if not text_to_image_config:
+        # If the user has not configured a text to image model, return an unsupported on server error
+        status_code = 501
+    elif state.openai_client and text_to_image_config.model_type == TextToImageModelConfig.ModelType.OPENAI:
+        text2image_model = text_to_image_config.model_name
+        improved_image_prompt = await generate_better_image_prompt(message)
+        try:
+            response = state.openai_client.images.generate(
+                prompt=improved_image_prompt, model=text2image_model, response_format="b64_json"
+            )
+            image = response.data[0].b64_json
+        except openai.OpenAIError as e:
+            logger.error(f"Image Generation failed with {e}", exc_info=True)
+            status_code = 500
+
+    return image, status_code, improved_image_prompt
+
+
 class ApiUserRateLimiter:
     def __init__(self, requests: int, subscribed_requests: int, window: int):
         self.requests = requests
@@ -298,6 +316,40 @@ class ApiUserRateLimiter:
         user_requests.append(time())
 
 
+class ConversationCommandRateLimiter:
+    def __init__(self, trial_rate_limit: int, subscribed_rate_limit: int):
+        self.cache: Dict[str, Dict[str, List[float]]] = defaultdict(lambda: defaultdict(list))
+        self.trial_rate_limit = trial_rate_limit
+        self.subscribed_rate_limit = subscribed_rate_limit
+        self.restricted_commands = [ConversationCommand.Online, ConversationCommand.Image]
+
+    def update_and_check_if_valid(self, request: Request, conversation_command: ConversationCommand):
+        if state.billing_enabled is False:
+            return
+
+        if not request.user.is_authenticated:
+            return
+
+        if conversation_command not in self.restricted_commands:
+            return
+
+        user: KhojUser = request.user.object
+        user_cache = self.cache[user.uuid]
+        subscribed = has_required_scope(request, ["premium"])
+        user_cache[conversation_command].append(time())
+
+        # Remove requests outside of the 24-hr time window
+        cutoff = time() - 60 * 60 * 24
+        while user_cache[conversation_command] and user_cache[conversation_command][0] < cutoff:
+            user_cache[conversation_command].pop(0)
+
+        if subscribed and len(user_cache[conversation_command]) > self.subscribed_rate_limit:
+            raise HTTPException(status_code=429, detail="Too Many Requests")
+        if not subscribed and len(user_cache[conversation_command]) > self.trial_rate_limit:
+            raise HTTPException(status_code=429, detail="Too Many Requests. Subscribe to increase your rate limit.")
+        return
+
+
 class ApiIndexedDataLimiter:
     def __init__(
         self,
@@ -315,7 +367,7 @@ class ApiIndexedDataLimiter:
         if state.billing_enabled is False:
             return
         subscribed = has_required_scope(request, ["premium"])
-        incoming_data_size_mb = 0
+        incoming_data_size_mb = 0.0
         deletion_file_names = set()
 
         if not request.user.is_authenticated:

src/khoj/utils/helpers.py

@@ -273,6 +273,7 @@ class ConversationCommand(str, Enum):
     Notes = "notes"
     Help = "help"
     Online = "online"
+    Image = "image"
 
 
 command_descriptions = {
@@ -280,6 +281,7 @@ command_descriptions = {
     ConversationCommand.Notes: "Only talk about information that is available in your knowledge base.",
     ConversationCommand.Default: "The default command when no command specified. It intelligently auto-switches between general and notes mode.",
     ConversationCommand.Online: "Look up information on the internet.",
+    ConversationCommand.Image: "Generate images by describing your imagination in words.",
     ConversationCommand.Help: "Display a help message with all available commands and other metadata.",
 }
 

src/khoj/utils/initialization.py

@@ -7,6 +7,7 @@ from khoj.database.models import (
     OpenAIProcessorConversationConfig,
     ChatModelOptions,
     SpeechToTextModelOptions,
+    TextToImageModelConfig,
 )
 
 from khoj.utils.constants import default_offline_chat_model, default_online_chat_model
@@ -103,6 +104,15 @@ def initialization():
                 model_name=openai_speech2text_model, model_type=SpeechToTextModelOptions.ModelType.OPENAI
             )
 
+            default_text_to_image_model = "dall-e-3"
+            openai_text_to_image_model = input(
+                f"Enter the OpenAI text to image model you want to use (default: {default_text_to_image_model}): "
+            )
+            openai_speech2text_model = openai_text_to_image_model or default_text_to_image_model
+            TextToImageModelConfig.objects.create(
+                model_name=openai_text_to_image_model, model_type=TextToImageModelConfig.ModelType.OPENAI
+            )
+
         if use_offline_model == "y" or use_openai_model == "y":
             logger.info("🗣️  Chat model configuration complete")
 

src/khoj/utils/models.py

@@ -22,17 +22,9 @@ class BaseEncoder(ABC):
 
 
 class OpenAI(BaseEncoder):
-    def __init__(self, model_name, device=None):
+    def __init__(self, model_name, client: openai.OpenAI, device=None):
         self.model_name = model_name
-        if (
-            not state.processor_config
-            or not state.processor_config.conversation
-            or not state.processor_config.conversation.openai_model
-        ):
-            raise Exception(
-                f"Set OpenAI API key under processor-config > conversation > openai-api-key in config file: {state.config_file}"
-            )
-        openai.api_key = state.processor_config.conversation.openai_model.api_key
+        self.openai_client = client
         self.embedding_dimensions = None
 
     def encode(self, entries, device=None, **kwargs):
@@ -43,7 +35,7 @@ class OpenAI(BaseEncoder):
             processed_entry = entries[index].replace("\n", " ")
 
             try:
-                response = openai.Embedding.create(input=processed_entry, model=self.model_name)
+                response = self.openai_client.embeddings.create(input=processed_entry, model=self.model_name)
                 embedding_tensors += [torch.tensor(response.data[0].embedding, device=device)]
                 # Use current models embedding dimension, once available
                 # Else default to embedding dimensions of the text-embedding-ada-002 model

src/khoj/utils/state.py

@@ -1,15 +1,16 @@
 # Standard Packages
+from collections import defaultdict
 import os
+from pathlib import Path
 import threading
 from typing import List, Dict
-from collections import defaultdict
 
 # External Packages
-from pathlib import Path
-from khoj.processor.embeddings import CrossEncoderModel, EmbeddingsModel
+from openai import OpenAI
 from whisper import Whisper
 
 # Internal Packages
+from khoj.processor.embeddings import CrossEncoderModel, EmbeddingsModel
 from khoj.utils import config as utils_config
 from khoj.utils.config import ContentIndex, SearchModels, GPT4AllProcessorModel
 from khoj.utils.helpers import LRU, get_device
@@ -21,6 +22,7 @@ search_models = SearchModels()
 embeddings_model: Dict[str, EmbeddingsModel] = None
 cross_encoder_model: CrossEncoderModel = None
 content_index = ContentIndex()
+openai_client: OpenAI = None
 gpt4all_processor_config: GPT4AllProcessorModel = None
 whisper_model: Whisper = None
 config_file: Path = None

tests/test_openai_chat_director.py

@@ -68,10 +68,10 @@ def test_chat_with_online_content(chat_client):
     response_message = response_message.split("### compiled references")[0]
 
     # Assert
-    expected_responses = ["http://www.paulgraham.com/greatwork.html"]
+    expected_responses = ["http://www.paulgraham.com/greatwork.html", "Please set your SERPER_DEV_API_KEY"]
     assert response.status_code == 200
     assert any([expected_response in response_message for expected_response in expected_responses]), (
-        "Expected assistants name, [K|k]hoj, in response but got: " + response_message
+        "Expected links or serper not setup in response but got: " + response_message
     )