Added support for Perplexity (#545)

Co-authored-by: Thorsten Sommer <[email protected]>

Author: peerschuett

app/MindWork AI Studio/Assistants/I18N/allTexts.lua

@@ -1333,6 +1333,9 @@ UI_TEXT_CONTENT["AISTUDIO::CHAT::CONTENTBLOCKCOMPONENT::T1603883875"] = "Yes, re
 -- Yes, remove it
 UI_TEXT_CONTENT["AISTUDIO::CHAT::CONTENTBLOCKCOMPONENT::T1820166585"] = "Yes, remove it"
 
+-- Number of sources
+UI_TEXT_CONTENT["AISTUDIO::CHAT::CONTENTBLOCKCOMPONENT::T1848978959"] = "Number of sources"
+
 -- Do you really want to edit this message? In order to edit this message, the AI response will be deleted.
 UI_TEXT_CONTENT["AISTUDIO::CHAT::CONTENTBLOCKCOMPONENT::T2018431076"] = "Do you really want to edit this message? In order to edit this message, the AI response will be deleted."
 
@@ -4615,6 +4618,9 @@ UI_TEXT_CONTENT["AISTUDIO::PAGES::HOME::T1702902297"] = "Introduction"
 -- Vision
 UI_TEXT_CONTENT["AISTUDIO::PAGES::HOME::T1892426825"] = "Vision"
 
+-- You are not tied to any single provider. Instead, you might choose the provider that best suits your needs. Right now, we support OpenAI (GPT5, o1, etc.), Perplexity, Mistral, Anthropic (Claude), Google Gemini, xAI (Grok), DeepSeek, Alibaba Cloud (Qwen), Hugging Face, and self-hosted models using vLLM, llama.cpp, ollama, LM Studio, Groq, or Fireworks. For scientists and employees of research institutions, we also support Helmholtz and GWDG AI services. These are available through federated logins like eduGAIN to all 18 Helmholtz Centers, the Max Planck Society, most German, and many international universities.
+UI_TEXT_CONTENT["AISTUDIO::PAGES::HOME::T2183503084"] = "You are not tied to any single provider. Instead, you might choose the provider that best suits your needs. Right now, we support OpenAI (GPT5, o1, etc.), Perplexity, Mistral, Anthropic (Claude), Google Gemini, xAI (Grok), DeepSeek, Alibaba Cloud (Qwen), Hugging Face, and self-hosted models using vLLM, llama.cpp, ollama, LM Studio, Groq, or Fireworks. For scientists and employees of research institutions, we also support Helmholtz and GWDG AI services. These are available through federated logins like eduGAIN to all 18 Helmholtz Centers, the Max Planck Society, most German, and many international universities."
+
 -- Let's get started
 UI_TEXT_CONTENT["AISTUDIO::PAGES::HOME::T2331588413"] = "Let's get started"
 
@@ -4624,9 +4630,6 @@ UI_TEXT_CONTENT["AISTUDIO::PAGES::HOME::T2348849647"] = "Last Changelog"
 -- Choose the provider and model best suited for your current task.
 UI_TEXT_CONTENT["AISTUDIO::PAGES::HOME::T2588488920"] = "Choose the provider and model best suited for your current task."
 
--- You are not tied to any single provider. Instead, you might choose the provider that best suits your needs. Right now, we support OpenAI (GPT4o, o1, etc.), Mistral, Anthropic (Claude), Google Gemini, xAI (Grok), DeepSeek, Alibaba Cloud (Qwen), Hugging Face, and self-hosted models using vLLM, llama.cpp, ollama, LM Studio, Groq, or Fireworks. For scientists and employees of research institutions, we also support Helmholtz and GWDG AI services. These are available through federated logins like eduGAIN to all 18 Helmholtz Centers, the Max Planck Society, most German, and many international universities.
-UI_TEXT_CONTENT["AISTUDIO::PAGES::HOME::T2900280782"] = "You are not tied to any single provider. Instead, you might choose the provider that best suits your needs. Right now, we support OpenAI (GPT4o, o1, etc.), Mistral, Anthropic (Claude), Google Gemini, xAI (Grok), DeepSeek, Alibaba Cloud (Qwen), Hugging Face, and self-hosted models using vLLM, llama.cpp, ollama, LM Studio, Groq, or Fireworks. For scientists and employees of research institutions, we also support Helmholtz and GWDG AI services. These are available through federated logins like eduGAIN to all 18 Helmholtz Centers, the Max Planck Society, most German, and many international universities."
-
 -- Quick Start Guide
 UI_TEXT_CONTENT["AISTUDIO::PAGES::HOME::T3002014720"] = "Quick Start Guide"
 
@@ -4861,6 +4864,9 @@ UI_TEXT_CONTENT["AISTUDIO::PROVIDER::LLMPROVIDERSEXTENSIONS::T3424652889"] = "Un
 -- no model selected
 UI_TEXT_CONTENT["AISTUDIO::PROVIDER::MODEL::T2234274832"] = "no model selected"
 
+-- Sources
+UI_TEXT_CONTENT["AISTUDIO::PROVIDER::SOURCEEXTENSIONS::T2730980305"] = "Sources"
+
 -- Use no chat template
 UI_TEXT_CONTENT["AISTUDIO::SETTINGS::CHATTEMPLATE::T4258819635"] = "Use no chat template"
 

app/MindWork AI Studio/Chat/ContentBlockComponent.razor

@@ -1,6 +1,7 @@
 @using AIStudio.Tools
 @using MudBlazor
 @using AIStudio.Components
+@using AIStudio.Provider
 @inherits AIStudio.Components.MSGComponentBase
 <MudCard Class="@this.CardClasses" Outlined="@true">
     <MudCardHeader>
@@ -15,6 +16,14 @@
             </MudText>
         </CardHeaderContent>
         <CardHeaderActions>
+            @if (this.Content.Sources.Count > 0)
+            {
+                <MudTooltip Text="@T("Number of sources")" Placement="Placement.Bottom">
+                    <MudBadge Content="@this.Content.Sources.Count" Color="Color.Primary" Overlap="true" BadgeClass="sources-card-header">
+                        <MudIconButton Icon="@Icons.Material.Filled.Link" />
+                    </MudBadge>
+                </MudTooltip>
+            }
             @if (this.IsSecondToLastBlock && this.Role is ChatRole.USER && this.EditLastUserBlockFunc is not null)
             {
                 <MudTooltip Text="@T("Edit")" Placement="Placement.Bottom">
@@ -72,6 +81,10 @@
                             else
                             {
                                 <MudMarkdown Value="@textContent.Text.RemoveThinkTags().Trim()" Props="Markdown.DefaultConfig" Styling="@this.MarkdownStyling" />
+                                @if (textContent.Sources.Count > 0)
+                                {
+                                    <MudMarkdown Value="@textContent.Sources.ToMarkdown()" Props="Markdown.DefaultConfig" Styling="@this.MarkdownStyling" />
+                                }
                             }
                         }
                     }

app/MindWork AI Studio/Chat/ContentImage.cs

@@ -27,6 +27,9 @@ public sealed class ContentImage : IContent, IImageSource
     [JsonIgnore]
     public Func<Task> StreamingEvent { get; set; } = () => Task.CompletedTask;
 
+    /// <inheritdoc />
+    public List<Source> Sources { get; set; } = [];
+
     /// <inheritdoc />
     public Task<ChatThread> CreateFromProviderAsync(IProvider provider, Model chatModel, IContent? lastPrompt, ChatThread? chatChatThread, CancellationToken token = default)
     {

app/MindWork AI Studio/Chat/ContentText.cs

@@ -24,7 +24,7 @@ public sealed class ContentText : IContent
     public bool InitialRemoteWait { get; set; }
 
     /// <inheritdoc />
-    // [JsonIgnore]
+    [JsonIgnore]
     public bool IsStreaming { get; set; }
 
     /// <inheritdoc />
@@ -35,6 +35,9 @@ public sealed class ContentText : IContent
     [JsonIgnore]
     public Func<Task> StreamingEvent { get; set; } = () => Task.CompletedTask;
 
+    /// <inheritdoc />
+    public List<Source> Sources { get; set; } = [];
+
     /// <inheritdoc />
     public async Task<ChatThread> CreateFromProviderAsync(IProvider provider, Model chatModel, IContent? lastPrompt, ChatThread? chatThread, CancellationToken token = default)
     {
@@ -80,7 +83,7 @@ await Task.Run(async () =>
             this.InitialRemoteWait = true;
 
             // Iterate over the responses from the AI:
-            await foreach (var deltaText in provider.StreamChatCompletion(chatModel, chatThread, settings, token))
+            await foreach (var contentStreamChunk in provider.StreamChatCompletion(chatModel, chatThread, settings, token))
             {
                 // When the user cancels the request, we stop the loop:
                 if (token.IsCancellationRequested)
@@ -91,7 +94,10 @@ await Task.Run(async () =>
                 this.IsStreaming = true;
 
                 // Add the response to the text:
-                this.Text += deltaText;
+                this.Text += contentStreamChunk;
+                
+                // Merge the sources:
+                this.Sources.MergeSources(contentStreamChunk.Sources);
 
                 // Notify the UI that the content has changed,
                 // depending on the energy saving mode:

app/MindWork AI Studio/Chat/IContent.cs

@@ -37,6 +37,12 @@ public interface IContent
     /// </summary>
     [JsonIgnore]
     public Func<Task> StreamingDone { get; set; }
+
+    /// <summary>
+    /// The provided sources, if any.
+    /// </summary>
+    [JsonIgnore]
+    public List<Source> Sources { get; set; }
 
     /// <summary>
     /// Uses the provider to create the content.

app/MindWork AI Studio/Dialogs/ProviderDialog.razor.cs

@@ -126,12 +126,13 @@ private AIStudio.Settings.Provider CreateProviderSettings()
             Id = this.DataId,
             InstanceName = this.DataInstanceName,
             UsedLLMProvider = this.DataLLMProvider,
+            
             Model = this.DataLLMProvider switch
             {
-                LLMProviders.FIREWORKS => new Model(this.dataManuallyModel, null),
-                LLMProviders.HUGGINGFACE => new Model(this.dataManuallyModel, null),
+                LLMProviders.FIREWORKS or LLMProviders.HUGGINGFACE => new Model(this.dataManuallyModel, null),
                 _ => this.DataModel
             },
+            
             IsSelfHosted = this.DataLLMProvider is LLMProviders.SELF_HOSTED,
             IsEnterpriseConfiguration = false,
             Hostname = cleanedHostname.EndsWith('/') ? cleanedHostname[..^1] : cleanedHostname,
@@ -158,7 +159,7 @@ protected override async Task OnInitializedAsync()
             this.dataEditingPreviousInstanceName = this.DataInstanceName.ToLowerInvariant();
 
             // When using Fireworks or Hugging Face, we must copy the model name:
-            if (this.DataLLMProvider is LLMProviders.FIREWORKS or LLMProviders.HUGGINGFACE)
+            if (this.DataLLMProvider.IsLLMModelProvidedManually())
                 this.dataManuallyModel = this.DataModel.Id;
 
             //
@@ -241,7 +242,7 @@ private async Task Store()
 
     private string? ValidateManuallyModel(string manuallyModel)
     {
-        if ((this.DataLLMProvider is LLMProviders.FIREWORKS or LLMProviders.HUGGINGFACE) && string.IsNullOrWhiteSpace(manuallyModel))
+        if (this.DataLLMProvider.IsLLMModelProvidedManually() && string.IsNullOrWhiteSpace(manuallyModel))
             return T("Please enter a model name.");
 
         return null;

app/MindWork AI Studio/Pages/Home.razor.cs

@@ -31,7 +31,7 @@ private void InitializeAdvantagesItems()
     {
         this.itemsAdvantages = [
             new(this.T("Free of charge"), this.T("The app is free to use, both for personal and commercial purposes.")),
-            new(this.T("Independence"), this.T("You are not tied to any single provider. Instead, you might choose the provider that best suits your needs. Right now, we support OpenAI (GPT4o, o1, etc.), Mistral, Anthropic (Claude), Google Gemini, xAI (Grok), DeepSeek, Alibaba Cloud (Qwen), Hugging Face, and self-hosted models using vLLM, llama.cpp, ollama, LM Studio, Groq, or Fireworks. For scientists and employees of research institutions, we also support Helmholtz and GWDG AI services. These are available through federated logins like eduGAIN to all 18 Helmholtz Centers, the Max Planck Society, most German, and many international universities.")), 
+            new(this.T("Independence"), this.T("You are not tied to any single provider. Instead, you might choose the provider that best suits your needs. Right now, we support OpenAI (GPT5, o1, etc.), Perplexity, Mistral, Anthropic (Claude), Google Gemini, xAI (Grok), DeepSeek, Alibaba Cloud (Qwen), Hugging Face, and self-hosted models using vLLM, llama.cpp, ollama, LM Studio, Groq, or Fireworks. For scientists and employees of research institutions, we also support Helmholtz and GWDG AI services. These are available through federated logins like eduGAIN to all 18 Helmholtz Centers, the Max Planck Society, most German, and many international universities.")), 
             new(this.T("Assistants"), this.T("You just want to quickly translate a text? AI Studio has so-called assistants for such and other tasks. No prompting is necessary when working with these assistants.")),
             new(this.T("Unrestricted usage"), this.T("Unlike services like ChatGPT, which impose limits after intensive use, MindWork AI Studio offers unlimited usage through the providers API.")),
             new(this.T("Cost-effective"), this.T("You only pay for what you use, which can be cheaper than monthly subscription services like ChatGPT Plus, especially if used infrequently. But beware, here be dragons: For extremely intensive usage, the API costs can be significantly higher. Unfortunately, providers currently do not offer a way to display current costs in the app. Therefore, check your account with the respective provider to see how your costs are developing. When available, use prepaid and set a cost limit.")),

app/MindWork AI Studio/Plugins/languages/de-de-43065dbc-78d0-45b7-92be-f14c2926e2dc/plugin.lua

@@ -1335,6 +1335,9 @@ UI_TEXT_CONTENT["AISTUDIO::CHAT::CONTENTBLOCKCOMPONENT::T1603883875"] = "Ja, neu
 -- Yes, remove it
 UI_TEXT_CONTENT["AISTUDIO::CHAT::CONTENTBLOCKCOMPONENT::T1820166585"] = "Ja, entferne es"
 
+-- Number of sources
+UI_TEXT_CONTENT["AISTUDIO::CHAT::CONTENTBLOCKCOMPONENT::T1848978959"] = "Anzahl der Quellen"
+
 -- Do you really want to edit this message? In order to edit this message, the AI response will be deleted.
 UI_TEXT_CONTENT["AISTUDIO::CHAT::CONTENTBLOCKCOMPONENT::T2018431076"] = "Möchten Sie diese Nachricht wirklich bearbeiten? Um die Nachricht zu bearbeiten, wird die Antwort der KI gelöscht."
 
@@ -4617,6 +4620,9 @@ UI_TEXT_CONTENT["AISTUDIO::PAGES::HOME::T1702902297"] = "Einführung"
 -- Vision
 UI_TEXT_CONTENT["AISTUDIO::PAGES::HOME::T1892426825"] = "Vision"
 
+-- You are not tied to any single provider. Instead, you might choose the provider that best suits your needs. Right now, we support OpenAI (GPT5, o1, etc.), Perplexity, Mistral, Anthropic (Claude), Google Gemini, xAI (Grok), DeepSeek, Alibaba Cloud (Qwen), Hugging Face, and self-hosted models using vLLM, llama.cpp, ollama, LM Studio, Groq, or Fireworks. For scientists and employees of research institutions, we also support Helmholtz and GWDG AI services. These are available through federated logins like eduGAIN to all 18 Helmholtz Centers, the Max Planck Society, most German, and many international universities.
+UI_TEXT_CONTENT["AISTUDIO::PAGES::HOME::T2183503084"] = "Sie sind an keinen einzelnen Anbieter gebunden. Stattdessen können Sie den Anbieter wählen, der am besten zu ihren Bedürfnissen passt. Derzeit unterstützen wir OpenAI (GPT5, o1, etc.), Perplexity, Mistral, Anthropic (Claude), Google Gemini, xAI (Grok), DeepSeek, Alibaba Cloud (Qwen), Hugging Face und selbst gehostete Modelle mit vLLM, llama.cpp, ollama, LM Studio, Groq oder Fireworks. Für Wissenschaftler und Mitarbeiter von Forschungseinrichtungen unterstützen wir auch die KI-Dienste von Helmholtz und GWDG. Diese sind über föderierte Anmeldungen wie eduGAIN für alle 18 Helmholtz-Zentren, die Max-Planck-Gesellschaft, die meisten deutschen und viele internationale Universitäten verfügbar."
+
 -- Let's get started
 UI_TEXT_CONTENT["AISTUDIO::PAGES::HOME::T2331588413"] = "Los geht's"
 
@@ -4626,9 +4632,6 @@ UI_TEXT_CONTENT["AISTUDIO::PAGES::HOME::T2348849647"] = "Letztes Änderungsproto
 -- Choose the provider and model best suited for your current task.
 UI_TEXT_CONTENT["AISTUDIO::PAGES::HOME::T2588488920"] = "Wählen Sie den Anbieter und das Modell aus, die am besten zu ihrer aktuellen Aufgabe passen."
 
--- You are not tied to any single provider. Instead, you might choose the provider that best suits your needs. Right now, we support OpenAI (GPT5, o1, etc.), Mistral, Anthropic (Claude), Google Gemini, xAI (Grok), DeepSeek, Alibaba Cloud (Qwen), Hugging Face, and self-hosted models using vLLM, llama.cpp, ollama, LM Studio, Groq, or Fireworks. For scientists and employees of research institutions, we also support Helmholtz and GWDG AI services. These are available through federated logins like eduGAIN to all 18 Helmholtz Centers, the Max Planck Society, most German, and many international universities.
-UI_TEXT_CONTENT["AISTUDIO::PAGES::HOME::T2900280782"] = "Sie sind an keinen einzelnen Anbieter gebunden. Stattdessen können Sie den Anbieter wählen, der am besten zu ihren Bedürfnissen passt. Derzeit unterstützen wir OpenAI (GPT5, o1, etc.), Mistral, Anthropic (Claude), Google Gemini, xAI (Grok), DeepSeek, Alibaba Cloud (Qwen), Hugging Face und selbst gehostete Modelle mit vLLM, llama.cpp, ollama, LM Studio, Groq oder Fireworks. Für Wissenschaftler und Mitarbeiter von Forschungseinrichtungen unterstützen wir auch die KI-Dienste von Helmholtz und GWDG. Diese sind über föderierte Anmeldungen wie eduGAIN für alle 18 Helmholtz-Zentren, die Max-Planck-Gesellschaft, die meisten deutschen und viele internationale Universitäten verfügbar."
-
 -- Quick Start Guide
 UI_TEXT_CONTENT["AISTUDIO::PAGES::HOME::T3002014720"] = "Schnellstart-Anleitung"
 
@@ -4863,6 +4866,9 @@ UI_TEXT_CONTENT["AISTUDIO::PROVIDER::LLMPROVIDERSEXTENSIONS::T3424652889"] = "Un
 -- no model selected
 UI_TEXT_CONTENT["AISTUDIO::PROVIDER::MODEL::T2234274832"] = "Kein Modell ausgewählt"
 
+-- Sources
+UI_TEXT_CONTENT["AISTUDIO::PROVIDER::SOURCEEXTENSIONS::T2730980305"] = "Quellen"
+
 -- Use no chat template
 UI_TEXT_CONTENT["AISTUDIO::SETTINGS::CHATTEMPLATE::T4258819635"] = "Keine Chat-Vorlage verwenden"