refactor: repartition server-side and client-side code

app/.server/modules/llm/providers/google.ts

@@ -0,0 +1,68 @@
+import { createGoogleGenerativeAI } from '@ai-sdk/google';
+import type { LanguageModel } from 'ai';
+import { BaseProvider } from '~/.server/modules/llm/base-provider';
+import type { ModelInfo } from '~/.server/modules/llm/types';
+import type { IProviderSetting } from '~/types/model';
+
+export default class GoogleProvider extends BaseProvider {
+  name = 'Google';
+  getApiKeyLink = 'https://aistudio.google.com/app/apikey';
+
+  staticModels: ModelInfo[] = [
+    { name: 'gemini-1.5-flash-latest', label: 'Gemini 1.5 Flash', provider: 'Google', maxTokenAllowed: 8192 },
+    {
+      name: 'gemini-2.0-flash-thinking-exp-01-21',
+      label: 'Gemini 2.0 Flash-thinking-exp-01-21',
+      provider: 'Google',
+      maxTokenAllowed: 65536,
+    },
+    { name: 'gemini-2.0-flash-exp', label: 'Gemini 2.0 Flash', provider: 'Google', maxTokenAllowed: 8192 },
+    { name: 'gemini-1.5-flash-002', label: 'Gemini 1.5 Flash-002', provider: 'Google', maxTokenAllowed: 8192 },
+    { name: 'gemini-1.5-flash-8b', label: 'Gemini 1.5 Flash-8b', provider: 'Google', maxTokenAllowed: 8192 },
+    { name: 'gemini-1.5-pro-latest', label: 'Gemini 1.5 Pro', provider: 'Google', maxTokenAllowed: 8192 },
+    { name: 'gemini-1.5-pro-002', label: 'Gemini 1.5 Pro-002', provider: 'Google', maxTokenAllowed: 8192 },
+    { name: 'gemini-exp-1206', label: 'Gemini exp-1206', provider: 'Google', maxTokenAllowed: 8192 },
+  ];
+
+  async getDynamicModels(settings?: IProviderSetting): Promise<ModelInfo[]> {
+    const { apiKey } = this.getProviderBaseUrlAndKey(settings);
+
+    if (!apiKey) {
+      throw `Missing Api Key configuration for ${this.name} provider`;
+    }
+
+    const response = await fetch(`https://generativelanguage.googleapis.com/v1beta/models?key=${apiKey}`, {
+      headers: {
+        // biome-ignore lint: ignore Content-Type header
+        ['Content-Type']: 'application/json',
+      },
+    });
+
+    const res = (await response.json()) as any;
+
+    const data = res.models.filter((model: any) => model.outputTokenLimit > 8000);
+
+    return data.map((m: any) => ({
+      name: m.name.replace('models/', ''),
+      label: `${m.displayName} - context ${Math.floor((m.inputTokenLimit + m.outputTokenLimit) / 1000) + 'k'}`,
+      provider: this.name,
+      maxTokenAllowed: m.inputTokenLimit + m.outputTokenLimit || 8000,
+    }));
+  }
+
+  getModelInstance(options: { model: string; providerSettings?: Record<string, IProviderSetting> }): LanguageModel {
+    const { model, providerSettings } = options;
+
+    const { apiKey } = this.getProviderBaseUrlAndKey(providerSettings?.[this.name]);
+
+    if (!apiKey) {
+      throw new Error(`Missing API key for ${this.name} provider`);
+    }
+
+    const google = createGoogleGenerativeAI({
+      apiKey,
+    });
+
+    return google(model);
+  }
+}