🦙 feat: Ollama Vision Support (#2643)

* refactor: checkVisionRequest, search availableModels for valid vision model instead of using default

* feat: install ollama-js, add typedefs

* feat: Ollama Vision Support

* ci: fix test

api/utils/deriveBaseURL.spec.js

@@ -0,0 +1,74 @@
+const axios = require('axios');
+const deriveBaseURL = require('./deriveBaseURL');
+jest.mock('~/utils', () => {
+  const originalUtils = jest.requireActual('~/utils');
+  return {
+    ...originalUtils,
+    processModelData: jest.fn((...args) => {
+      return originalUtils.processModelData(...args);
+    }),
+  };
+});
+
+jest.mock('axios');
+jest.mock('~/cache/getLogStores', () =>
+  jest.fn().mockImplementation(() => ({
+    get: jest.fn().mockResolvedValue(undefined),
+    set: jest.fn().mockResolvedValue(true),
+  })),
+);
+jest.mock('~/config', () => ({
+  logger: {
+    error: jest.fn(),
+  },
+}));
+
+axios.get.mockResolvedValue({
+  data: {
+    data: [{ id: 'model-1' }, { id: 'model-2' }],
+  },
+});
+
+describe('deriveBaseURL', () => {
+  it('should extract the base URL correctly from a full URL with a port', () => {
+    const fullURL = 'https://example.com:8080/path?query=123';
+    const baseURL = deriveBaseURL(fullURL);
+    expect(baseURL).toEqual('https://example.com:8080');
+  });
+
+  it('should extract the base URL correctly from a full URL without a port', () => {
+    const fullURL = 'https://example.com/path?query=123';
+    const baseURL = deriveBaseURL(fullURL);
+    expect(baseURL).toEqual('https://example.com');
+  });
+
+  it('should handle URLs using the HTTP protocol', () => {
+    const fullURL = 'http://example.com:3000/path?query=123';
+    const baseURL = deriveBaseURL(fullURL);
+    expect(baseURL).toEqual('http://example.com:3000');
+  });
+
+  it('should return only the protocol and hostname if no port is specified', () => {
+    const fullURL = 'http://example.com/path?query=123';
+    const baseURL = deriveBaseURL(fullURL);
+    expect(baseURL).toEqual('http://example.com');
+  });
+
+  it('should handle URLs with uncommon protocols', () => {
+    const fullURL = 'ftp://example.com:2121/path?query=123';
+    const baseURL = deriveBaseURL(fullURL);
+    expect(baseURL).toEqual('ftp://example.com:2121');
+  });
+
+  it('should handle edge case where URL ends with a slash', () => {
+    const fullURL = 'https://example.com/';
+    const baseURL = deriveBaseURL(fullURL);
+    expect(baseURL).toEqual('https://example.com');
+  });
+
+  it('should return the original URL if the URL is invalid', () => {
+    const invalidURL = 'htp:/example.com:8080';
+    const result = deriveBaseURL(invalidURL);
+    expect(result).toBe(invalidURL);
+  });
+});